| 2026-03-31 → 2026-06-30 | Renaissance Technologies | NEW | 0 | 1,142,754 | $55.5M |
| 2026-03-31 → 2026-06-30 | Citadel Advisors | ADDED | 9,106,229 | 11,203,916 | -$47.7M |
| 2026-03-31 → 2026-06-30 | Point72 Asset Management | ADDED | 3,438,365 | 6,257,168 | $80.4M |
| 2026-03-31 → 2026-06-30 | D. E. Shaw & Co. | ADDED | 1,857,592 | 4,275,164 | $86.9M |
| 2026-03-31 → 2026-06-30 | Two Sigma Investments | ADDED | 3,603,925 | 3,642,236 | -$57.4M |
| 2026-03-31 → 2026-06-30 | Millennium Management | ADDED | 3,231,719 | 3,426,445 | -$43.6M |
| 2026-03-31 → 2026-06-30 | Fisher Asset Management | TRIMMED | 13,264 | 10,428 | -$0.4M |
| 2026-03-31 → 2026-06-30 | AQR Capital Management | ADDED | 8,718,934 | 11,473,188 | -$9.5M |
| 2026-03-31 → 2026-06-30 | Marshall Wace | TRIMMED | 1,171,781 | 462,407 | -$53.7M |
| 2026-03-31 → 2026-06-30 | Neuberger Berman | ADDED | 983,013 | 997,829 | -$15.4M |
| 2026-03-31 → 2026-06-30 | Ancora Advisors | TRIMMED | 6,495 | 6,228 | -$0.1M |
| 2026-03-31 → 2026-06-30 | Arrowstreet Capital | CLOSED | 723,673 | 0 | -$47.0M |
| 2026-03-31 → 2026-06-30 | Geode Capital Management | ADDED | 19,368,894 | 19,900,735 | -$291.4M |
| 2026-03-31 → 2026-06-30 | Loomis Sayles | TRIMMED | 791 | 631 | -$0.0M |
| 2026-03-31 → 2026-06-30 | Charles Schwab Investment Management | ADDED | 5,635,341 | 5,760,317 | -$86.5M |
| 2026-03-31 → 2026-06-30 | Victory Capital Management | ADDED | 363,796 | 374,411 | -$5.5M |
| 2026-03-31 → 2026-06-30 | Caxton Associates | CLOSED | 12,363 | 0 | -$0.8M |
| 2026-03-31 → 2026-06-30 | Wexford Capital | NEW | 0 | 5,568 | $0.3M |
| 2026-03-31 → 2026-06-30 | Walleye Capital | TRIMMED | 420,596 | 405,299 | -$7.7M |
| 2026-03-31 → 2026-06-30 | Squarepoint Ops | ADDED | 796,472 | 1,413,972 | $16.9M |
| 2026-03-31 → 2026-06-30 | Schonfeld Strategic Advisors | ADDED | 147,514 | 169,745 | -$1.3M |
| 2026-03-31 → 2026-06-30 | Voleon Capital Management | CLOSED | 10,719 | 0 | -$0.7M |
| 2026-03-31 → 2026-06-30 | Qube Research & Technologies | ADDED | 1,088,500 | 6,783,631 | $258.7M |
| 2026-03-31 → 2026-06-30 | Capstone Investment Advisors | TRIMMED | 132,501 | 131,095 | -$2.2M |
| 2026-03-31 → 2026-06-30 | Man Group | ADDED | 8,970 | 402,322 | $19.0M |
| 2026-03-31 → 2026-06-30 | Rokos Capital Management | NEW | 0 | 629,704 | $30.6M |
| 2025-12-31 → 2026-03-31 | Renaissance Technologies | CLOSED | 426,900 | 0 | -$17.6M |
| 2025-12-31 → 2026-03-31 | Citadel Advisors | TRIMMED | 10,212,610 | 9,106,229 | $172.0M |
| 2025-12-31 → 2026-03-31 | Point72 Asset Management | ADDED | 3,076,832 | 3,438,365 | $97.0M |
| 2025-12-31 → 2026-03-31 | D. E. Shaw & Co. | TRIMMED | 2,884,129 | 1,857,592 | $2.1M |
| 2025-12-31 → 2026-03-31 | Two Sigma Investments | ADDED | 2,643,022 | 3,603,925 | $125.6M |
| 2025-12-31 → 2026-03-31 | Millennium Management | ADDED | 2,252,320 | 3,231,719 | $117.4M |
| 2025-12-31 → 2026-03-31 | Fisher Asset Management | ADDED | 12,629 | 13,264 | $0.3M |
| 2025-12-31 → 2026-03-31 | AQR Capital Management | ADDED | 2,649,681 | 8,718,934 | $457.8M |
| 2025-12-31 → 2026-03-31 | Marshall Wace | ADDED | 20,100 | 1,171,781 | $75.3M |
| 2025-12-31 → 2026-03-31 | Neuberger Berman | ADDED | 981,806 | 983,013 | $23.5M |
| 2025-12-31 → 2026-03-31 | Ancora Advisors | ADDED | 2,002 | 6,495 | $0.3M |
| 2025-12-31 → 2026-03-31 | Arrowstreet Capital | NEW | 0 | 723,673 | $47.0M |
| 2025-12-31 → 2026-03-31 | Geode Capital Management | ADDED | 18,846,231 | 19,368,894 | $482.3M |
| 2025-12-31 → 2026-03-31 | Loomis Sayles | TRIMMED | 1,098 | 791 | $0.0M |
| 2025-12-31 → 2026-03-31 | Charles Schwab Investment Management | ADDED | 5,390,549 | 5,635,341 | $144.6M |
| 2025-12-31 → 2026-03-31 | Victory Capital Management | ADDED | 358,546 | 363,796 | $8.9M |
| 2025-12-31 → 2026-03-31 | Moore Capital Management | CLOSED | 150,000 | 0 | -$6.2M |
| 2025-12-31 → 2026-03-31 | Caxton Associates | NEW | 0 | 12,363 | $0.8M |
| 2025-12-31 → 2026-03-31 | Verition Fund Management | CLOSED | 62,518 | 0 | -$2.6M |
| 2025-12-31 → 2026-03-31 | Walleye Capital | TRIMMED | 601,619 | 420,596 | $2.6M |
| 2025-12-31 → 2026-03-31 | Squarepoint Ops | TRIMMED | 2,527,167 | 796,472 | -$52.1M |
| 2025-12-31 → 2026-03-31 | Schonfeld Strategic Advisors | TRIMMED | 211,293 | 147,514 | $0.9M |
| 2025-12-31 → 2026-03-31 | Voleon Capital Management | TRIMMED | 17,625 | 10,719 | -$0.0M |
| 2025-12-31 → 2026-03-31 | Qube Research & Technologies | TRIMMED | 2,611,200 | 1,088,500 | -$36.6M |
| 2025-12-31 → 2026-03-31 | Capstone Investment Advisors | TRIMMED | 167,407 | 132,501 | $1.7M |
| 2025-12-31 → 2026-03-31 | Man Group | NEW | 0 | 8,970 | $0.6M |
| 2025-12-31 → 2026-03-31 | Rokos Capital Management | CLOSED | 529,699 | 0 | -$21.8M |
| 2025-09-30 → 2025-12-31 | Renaissance Technologies | TRIMMED | 2,082,138 | 426,900 | -$80.8M |
| 2025-09-30 → 2025-12-31 | Citadel Advisors | ADDED | 8,898,088 | 10,212,610 | -$0.5M |
| 2025-09-30 → 2025-12-31 | Point72 Asset Management | ADDED | 2,066,976 | 3,076,832 | $28.9M |
| 2025-09-30 → 2025-12-31 | D. E. Shaw & Co. | TRIMMED | 2,895,400 | 2,884,129 | -$18.2M |
| 2025-09-30 → 2025-12-31 | Two Sigma Investments | ADDED | 800,990 | 2,643,022 | $70.8M |
| 2025-09-30 → 2025-12-31 | Millennium Management | ADDED | 1,845,642 | 2,252,320 | $5.4M |
| 2025-09-30 → 2025-12-31 | Fisher Asset Management | TRIMMED | 13,781 | 12,629 | -$0.1M |
| 2025-09-30 → 2025-12-31 | AQR Capital Management | ADDED | 1,815,821 | 2,649,681 | $23.2M |
| 2025-09-30 → 2025-12-31 | Marshall Wace | TRIMMED | 64,491 | 20,100 | -$2.2M |
| 2025-09-30 → 2025-12-31 | Neuberger Berman | TRIMMED | 1,004,851 | 981,806 | -$7.1M |
| 2025-09-30 → 2025-12-31 | Ancora Advisors | ADDED | 1,635 | 2,002 | $0.0M |
| 2025-09-30 → 2025-12-31 | VGI Partners (now Regal Partners) | CLOSED | 140,000 | 0 | -$6.6M |
| 2025-09-30 → 2025-12-31 | Geode Capital Management | ADDED | 18,678,713 | 18,846,231 | -$107.0M |
| 2025-09-30 → 2025-12-31 | Loomis Sayles | TRIMMED | 1,139 | 1,098 | -$0.0M |
| 2025-09-30 → 2025-12-31 | Charles Schwab Investment Management | ADDED | 5,205,640 | 5,390,549 | -$24.3M |
| 2025-09-30 → 2025-12-31 | Victory Capital Management | TRIMMED | 390,139 | 358,546 | -$3.7M |
| 2025-09-30 → 2025-12-31 | Moore Capital Management | NEW | 0 | 150,000 | $6.2M |
| 2025-09-30 → 2025-12-31 | Wexford Capital | CLOSED | 282 | 0 | -$0.0M |
| 2025-09-30 → 2025-12-31 | Verition Fund Management | TRIMMED | 125,701 | 62,518 | -$3.4M |
| 2025-09-30 → 2025-12-31 | Walleye Capital | ADDED | 293,607 | 601,619 | $10.9M |
| 2025-09-30 → 2025-12-31 | Squarepoint Ops | ADDED | 1,741,168 | 2,527,167 | $21.6M |
| 2025-09-30 → 2025-12-31 | Schonfeld Strategic Advisors | ADDED | 70,570 | 211,293 | $5.4M |
| 2025-09-30 → 2025-12-31 | Voleon Capital Management | TRIMMED | 72,531 | 17,625 | -$2.7M |
| 2025-09-30 → 2025-12-31 | Qube Research & Technologies | ADDED | 1,564,300 | 2,611,200 | $33.5M |
| 2025-09-30 → 2025-12-31 | Capstone Investment Advisors | TRIMMED | 227,330 | 167,407 | -$3.9M |
| 2025-09-30 → 2025-12-31 | Graham Capital Management | CLOSED | 4,454 | 0 | -$0.2M |
| 2025-09-30 → 2025-12-31 | Man Group | CLOSED | 148,300 | 0 | -$7.0M |
| 2025-09-30 → 2025-12-31 | Rokos Capital Management | NEW | 0 | 529,699 | $21.8M |
| 2025-06-30 → 2025-09-30 | Renaissance Technologies | ADDED | 1,925,393 | 2,082,138 | $17.5M |
| 2025-06-30 → 2025-09-30 | Citadel Advisors | TRIMMED | 11,618,948 | 8,898,088 | -$67.7M |
| 2025-06-30 → 2025-09-30 | Point72 Asset Management | ADDED | 1,104,086 | 2,066,976 | $51.3M |
| 2025-06-30 → 2025-09-30 | D. E. Shaw & Co. | TRIMMED | 3,883,523 | 2,895,400 | -$26.3M |
| 2025-06-30 → 2025-09-30 | Two Sigma Investments | ADDED | 379,113 | 800,990 | $21.9M |
| 2025-06-30 → 2025-09-30 | Millennium Management | TRIMMED | 1,888,885 | 1,845,642 | $7.9M |
| 2025-06-30 → 2025-09-30 | Fisher Asset Management | TRIMMED | 14,910 | 13,781 | $0.0M |
| 2025-06-30 → 2025-09-30 | AQR Capital Management | ADDED | 774,880 | 1,815,821 | $53.2M |
| 2025-06-30 → 2025-09-30 | Marshall Wace | TRIMMED | 109,128 | 64,491 | -$1.5M |
| 2025-06-30 → 2025-09-30 | Neuberger Berman | ADDED | 772,742 | 1,004,851 | $15.0M |
| 2025-06-30 → 2025-09-30 | Ancora Advisors | TRIMMED | 4,156 | 1,635 | -$0.1M |
| 2025-06-30 → 2025-09-30 | VGI Partners (now Regal Partners) | NEW | 0 | 140,000 | $6.6M |
| 2025-06-30 → 2025-09-30 | Geode Capital Management | ADDED | 18,089,878 | 18,678,713 | $122.2M |
| 2025-06-30 → 2025-09-30 | Loomis Sayles | ADDED | 1,120 | 1,139 | $0.0M |
| 2025-06-30 → 2025-09-30 | Charles Schwab Investment Management | ADDED | 4,955,130 | 5,205,640 | $37.8M |
| 2025-06-30 → 2025-09-30 | Victory Capital Management | TRIMMED | 411,204 | 390,139 | $1.2M |
| 2025-06-30 → 2025-09-30 | Wexford Capital | NEW | 0 | 282 | $0.0M |
| 2025-06-30 → 2025-09-30 | Verition Fund Management | TRIMMED | 156,767 | 125,701 | -$0.6M |
| 2025-06-30 → 2025-09-30 | Walleye Capital | TRIMMED | 784,366 | 293,607 | -$19.1M |
| 2025-06-30 → 2025-09-30 | Squarepoint Ops | ADDED | 1,472,624 | 1,741,168 | $20.4M |
| 2025-06-30 → 2025-09-30 | Schonfeld Strategic Advisors | TRIMMED | 103,300 | 70,570 | -$1.0M |
| 2025-06-30 → 2025-09-30 | Voleon Capital Management | ADDED | 5,426 | 72,531 | $3.2M |
| 2025-06-30 → 2025-09-30 | Qube Research & Technologies | ADDED | 1,117,800 | 1,564,300 | $27.0M |
| 2025-06-30 → 2025-09-30 | Capstone Investment Advisors | TRIMMED | 251,923 | 227,330 | $0.2M |
| 2025-06-30 → 2025-09-30 | Graham Capital Management | TRIMMED | 126,844 | 4,454 | -$5.1M |
| 2025-06-30 → 2025-09-30 | Man Group | TRIMMED | 167,999 | 148,300 | -$0.1M |
| 2025-03-31 → 2025-06-30 | Renaissance Technologies | ADDED | 1,109,849 | 1,925,393 | $26.1M |
| 2025-03-31 → 2025-06-30 | Citadel Advisors | ADDED | 8,353,713 | 11,618,948 | $75.8M |
| 2025-03-31 → 2025-06-30 | Point72 Asset Management | ADDED | 618,600 | 1,104,086 | $15.8M |
| 2025-03-31 → 2025-06-30 | D. E. Shaw & Co. | ADDED | 3,581,424 | 3,883,523 | -$13.6M |
| 2025-03-31 → 2025-06-30 | Two Sigma Investments | TRIMMED | 3,430,058 | 379,113 | -$153.4M |
| 2025-03-31 → 2025-06-30 | Millennium Management | ADDED | 1,828,131 | 1,888,885 | -$10.9M |
| 2025-03-31 → 2025-06-30 | Fisher Asset Management | TRIMMED | 168,357 | 14,910 | -$7.7M |
| 2025-03-31 → 2025-06-30 | AQR Capital Management | ADDED | 773,679 | 774,880 | -$5.6M |
| 2025-03-31 → 2025-06-30 | Marshall Wace | NEW | 0 | 109,128 | $4.6M |
| 2025-03-31 → 2025-06-30 | Neuberger Berman | ADDED | 470,436 | 772,742 | $9.2M |
| 2025-03-31 → 2025-06-30 | Ancora Advisors | ADDED | 1,443 | 4,156 | $0.1M |
| 2025-03-31 → 2025-06-30 | Geode Capital Management | ADDED | 14,822,609 | 18,089,878 | $27.9M |
| 2025-03-31 → 2025-06-30 | Loomis Sayles | ADDED | 984 | 1,120 | $0.0M |
| 2025-03-31 → 2025-06-30 | Charles Schwab Investment Management | ADDED | 4,432,722 | 4,955,130 | -$10.6M |
| 2025-03-31 → 2025-06-30 | Victory Capital Management | ADDED | 392,254 | 411,204 | -$2.1M |
| 2025-03-31 → 2025-06-30 | Verition Fund Management | ADDED | 149,232 | 156,767 | -$0.8M |
| 2025-03-31 → 2025-06-30 | Walleye Capital | TRIMMED | 2,471,976 | 784,366 | -$89.1M |
| 2025-03-31 → 2025-06-30 | Squarepoint Ops | TRIMMED | 6,256,305 | 1,472,624 | -$246.9M |
| 2025-03-31 → 2025-06-30 | Schonfeld Strategic Advisors | TRIMMED | 211,831 | 103,300 | -$6.1M |
| 2025-03-31 → 2025-06-30 | Voleon Capital Management | NEW | 0 | 5,426 | $0.2M |
| 2024-12-31 → 2025-06-30 | Qube Research & Technologies | ADDED | 711,600 | 1,117,800 | $11.8M |
| 2025-03-31 → 2025-06-30 | Capstone Investment Advisors | TRIMMED | 269,480 | 251,923 | -$2.7M |
| 2025-03-31 → 2025-06-30 | Graham Capital Management | NEW | 0 | 126,844 | $5.3M |
| 2025-03-31 → 2025-06-30 | Man Group | ADDED | 20,705 | 167,999 | $6.0M |
| 2025-03-31 → 2025-06-30 | 1832 Asset Management | CLOSED | 42,936 | 0 | -$2.1M |
| 2024-12-31 → 2025-03-31 | Berkshire Hathaway | ADDED | 264,178,414 | 264,941,431 | $24.5M |
| 2024-12-31 → 2025-03-31 | Renaissance Technologies | ADDED | 297,672 | 1,109,849 | $40.1M |
| 2024-12-31 → 2025-03-31 | Citadel Advisors | TRIMMED | 9,497,091 | 8,353,713 | -$56.9M |
| 2024-12-31 → 2025-03-31 | Point72 Asset Management | TRIMMED | 854,635 | 618,600 | -$11.7M |
| 2024-12-31 → 2025-03-31 | D. E. Shaw & Co. | TRIMMED | 4,008,260 | 3,581,424 | -$21.3M |
| 2024-12-31 → 2025-03-31 | Two Sigma Investments | ADDED | 745,824 | 3,430,058 | $132.5M |
| 2024-12-31 → 2025-03-31 | Millennium Management | TRIMMED | 4,290,112 | 1,828,131 | -$121.7M |
| 2024-12-31 → 2025-03-31 | Fisher Asset Management | TRIMMED | 613,647 | 168,357 | -$22.0M |
| 2024-12-31 → 2025-03-31 | AQR Capital Management | ADDED | 283,912 | 773,679 | $24.2M |
| 2024-12-31 → 2025-03-31 | Marshall Wace | CLOSED | 4,117,777 | 0 | -$203.5M |
| 2024-12-31 → 2025-03-31 | Neuberger Berman | ADDED | 361,355 | 470,436 | $5.4M |
| 2024-12-31 → 2025-03-31 | Ancora Advisors | TRIMMED | 1,472 | 1,443 | -$0.0M |
| 2024-12-31 → 2025-03-31 | Geode Capital Management | ADDED | 14,245,357 | 14,822,609 | $27.1M |
| 2024-12-31 → 2025-03-31 | Loomis Sayles | TRIMMED | 1,509 | 984 | -$0.0M |
| 2024-12-31 → 2025-03-31 | Charles Schwab Investment Management | ADDED | 4,236,980 | 4,432,722 | $9.4M |
| 2024-12-31 → 2025-03-31 | Victory Capital Management | TRIMMED | 393,075 | 392,254 | -$0.1M |
| 2024-12-31 → 2025-03-31 | Verition Fund Management | ADDED | 132,535 | 149,232 | $0.8M |
| 2024-12-31 → 2025-03-31 | Walleye Capital | ADDED | 790,775 | 2,471,976 | $82.9M |
| 2024-12-31 → 2025-03-31 | Squarepoint Ops | TRIMMED | 6,894,704 | 6,256,305 | -$31.9M |
| 2024-12-31 → 2025-03-31 | Schonfeld Strategic Advisors | ADDED | 59,926 | 211,831 | $7.5M |
| 2024-12-31 → 2025-03-31 | Capstone Investment Advisors | TRIMMED | 496,260 | 269,480 | -$11.2M |
| 2024-12-31 → 2025-03-31 | Man Group | TRIMMED | 27,389 | 20,705 | -$0.3M |
| 2024-12-31 → 2025-03-31 | 1832 Asset Management | TRIMMED | 50,817 | 42,936 | -$0.4M |
| 2024-09-30 → 2024-12-31 | Berkshire Hathaway | ADDED | 255,281,524 | 264,178,414 | -$104.2M |
| 2024-09-30 → 2024-12-31 | Renaissance Technologies | ADDED | 159,408 | 297,672 | $6.5M |
| 2024-09-30 → 2024-12-31 | Citadel Advisors | TRIMMED | 11,786,002 | 9,497,091 | -$138.2M |
| 2024-09-30 → 2024-12-31 | Point72 Asset Management | ADDED | 656,600 | 854,635 | $8.4M |
| 2024-09-30 → 2024-12-31 | D. E. Shaw & Co. | ADDED | 2,614,860 | 4,008,260 | $63.3M |
| 2024-09-30 → 2024-12-31 | Two Sigma Investments | ADDED | 55,100 | 745,824 | $34.0M |
| 2024-09-30 → 2024-12-31 | Millennium Management | ADDED | 1,906,309 | 4,290,112 | $113.7M |
| 2024-09-30 → 2024-12-31 | Fisher Asset Management | ADDED | 607,186 | 613,647 | -$1.0M |
| 2024-09-30 → 2024-12-31 | AQR Capital Management | ADDED | 78,264 | 283,912 | $9.9M |
| 2024-09-30 → 2024-12-31 | Marshall Wace | ADDED | 2,780,049 | 4,117,777 | $60.2M |
| 2024-09-30 → 2024-12-31 | Sculptor Capital | CLOSED | 29,075 | 0 | -$1.5M |
| 2024-09-30 → 2024-12-31 | Neuberger Berman | ADDED | 241,872 | 361,355 | $5.4M |
| 2024-09-30 → 2024-12-31 | Ancora Advisors | TRIMMED | 1,753 | 1,472 | -$0.0M |
| 2024-09-30 → 2024-12-31 | Geode Capital Management | ADDED | 13,846,890 | 14,245,357 | -$9.1M |
| 2024-09-30 → 2024-12-31 | Loomis Sayles | NEW | 0 | 1,509 | $0.0M |
| 2024-09-30 → 2024-12-31 | Charles Schwab Investment Management | ADDED | 4,007,770 | 4,236,980 | $2.8M |
| 2024-09-30 → 2024-12-31 | Victory Capital Management | TRIMMED | 551,759 | 393,075 | -$9.0M |
| 2024-09-30 → 2024-12-31 | Chilton Investment Company | CLOSED | 37,971 | 0 | -$2.0M |
| 2024-09-30 → 2024-12-31 | Moore Capital Management | CLOSED | 127,800 | 0 | -$6.6M |
| 2024-09-30 → 2024-12-31 | Verition Fund Management | TRIMMED | 234,515 | 132,535 | -$5.5M |
| 2024-09-30 → 2024-12-31 | Walleye Capital | TRIMMED | 1,536,768 | 790,775 | -$40.1M |
| 2024-09-30 → 2024-12-31 | Squarepoint Ops | ADDED | 1,520,371 | 6,894,704 | $262.3M |
| 2024-09-30 → 2024-12-31 | Schonfeld Strategic Advisors | ADDED | 34,936 | 59,926 | $1.2M |
| 2024-09-30 → 2024-12-31 | Qube Research & Technologies | ADDED | 675,050 | 711,600 | $0.4M |
| 2024-09-30 → 2024-12-31 | Capstone Investment Advisors | ADDED | 369,292 | 496,260 | $5.5M |
| 2024-09-30 → 2024-12-31 | Graham Capital Management | CLOSED | 11,167 | 0 | -$0.6M |
| 2024-09-30 → 2024-12-31 | Man Group | TRIMMED | 68,190 | 27,389 | -$2.2M |
| 2024-09-30 → 2024-12-31 | 1832 Asset Management | TRIMMED | 63,515 | 50,817 | -$0.8M |
| 2024-06-30 → 2024-09-30 | Renaissance Technologies | NEW | 0 | 159,408 | $8.2M |
| 2024-06-30 → 2024-09-30 | Citadel Advisors | ADDED | 8,981,835 | 11,786,002 | $41.3M |
| 2024-06-30 → 2024-09-30 | Point72 Asset Management | ADDED | 201,600 | 656,600 | $21.1M |
| 2024-06-30 → 2024-09-30 | D. E. Shaw & Co. | ADDED | 2,186,860 | 2,614,860 | -$3.1M |
| 2024-06-30 → 2024-09-30 | Two Sigma Investments | TRIMMED | 1,992,241 | 55,100 | -$122.7M |
| 2024-06-30 → 2024-09-30 | Millennium Management | TRIMMED | 3,105,335 | 1,906,309 | -$97.5M |
| 2024-06-30 → 2024-09-30 | Fisher Asset Management | ADDED | 606,464 | 607,186 | -$6.9M |
| 2024-06-30 → 2024-09-30 | AQR Capital Management | TRIMMED | 80,581 | 78,264 | -$1.1M |
| 2024-06-30 → 2024-09-30 | Discovery Capital Management | CLOSED | 163,900 | 0 | -$10.3M |
| 2024-06-30 → 2024-09-30 | Marshall Wace | ADDED | 19,500 | 2,780,049 | $142.1M |
| 2024-06-30 → 2024-09-30 | Sculptor Capital | NEW | 0 | 29,075 | $1.5M |
| 2024-06-30 → 2024-09-30 | Neuberger Berman | TRIMMED | 1,386,083 | 241,872 | -$74.9M |
| 2024-06-30 → 2024-09-30 | Owl Creek Asset Management | CLOSED | 651,600 | 0 | -$41.1M |
| 2024-06-30 → 2024-09-30 | Ancora Advisors | TRIMMED | 2,292 | 1,753 | -$0.1M |
| 2024-06-30 → 2024-09-30 | Geode Capital Management | ADDED | 13,402,040 | 13,846,890 | -$131.2M |
| 2024-06-30 → 2024-09-30 | Charles Schwab Investment Management | ADDED | 3,909,067 | 4,007,770 | -$39.8M |
| 2024-06-30 → 2024-09-30 | Victory Capital Management | ADDED | 385,387 | 551,759 | $4.1M |
| 2024-06-30 → 2024-09-30 | Chilton Investment Company | NEW | 0 | 37,971 | $2.0M |
| 2024-06-30 → 2024-09-30 | Moore Capital Management | NEW | 0 | 127,800 | $6.6M |
| 2024-06-30 → 2024-09-30 | Verition Fund Management | ADDED | 170,053 | 234,515 | $1.4M |
| 2024-06-30 → 2024-09-30 | Walleye Capital | ADDED | 1,505,221 | 1,536,768 | -$15.7M |
| 2024-06-30 → 2024-09-30 | Squarepoint Ops | ADDED | 804,918 | 1,520,371 | $27.6M |
| 2024-06-30 → 2024-09-30 | Schonfeld Strategic Advisors | TRIMMED | 37,205 | 34,936 | -$0.5M |
| 2024-06-30 → 2024-09-30 | Qube Research & Technologies | ADDED | 179,803 | 675,050 | $23.5M |
| 2024-06-30 → 2024-09-30 | Capstone Investment Advisors | ADDED | 276,210 | 369,292 | $1.6M |
| 2024-06-30 → 2024-09-30 | Graham Capital Management | ADDED | 3,805 | 11,167 | $0.3M |
| 2024-06-30 → 2024-09-30 | Man Group | TRIMMED | 102,577 | 68,190 | -$3.0M |
| 2024-06-30 → 2024-09-30 | 1832 Asset Management | ADDED | 59,412 | 63,515 | -$0.5M |
| 2024-03-31 → 2024-06-30 | Berkshire Hathaway | ADDED | 248,018,128 | 255,281,524 | -$28.3M |
| 2024-03-31 → 2024-06-30 | Citadel Advisors | TRIMMED | 9,374,670 | 8,981,835 | -$43.1M |
| 2024-03-31 → 2024-06-30 | Point72 Asset Management | TRIMMED | 842,600 | 201,600 | -$42.1M |
| 2024-03-31 → 2024-06-30 | D. E. Shaw & Co. | TRIMMED | 2,989,896 | 2,186,860 | -$56.5M |
| 2024-03-31 → 2024-06-30 | Two Sigma Investments | TRIMMED | 3,611,365 | 1,992,241 | -$109.1M |
| 2024-03-31 → 2024-06-30 | Millennium Management | TRIMMED | 5,018,607 | 3,105,335 | -$130.4M |
| 2024-03-31 → 2024-06-30 | Fisher Asset Management | TRIMMED | 606,825 | 606,464 | -$1.2M |
| 2024-03-31 → 2024-06-30 | AQR Capital Management | ADDED | 72,254 | 80,581 | $0.4M |
| 2024-03-31 → 2024-06-30 | Discovery Capital Management | NEW | 0 | 163,900 | $10.3M |
| 2024-03-31 → 2024-06-30 | Marshall Wace | TRIMMED | 941,592 | 19,500 | -$60.0M |
| 2024-03-31 → 2024-06-30 | Neuberger Berman | ADDED | 574,795 | 1,386,083 | $50.0M |
| 2024-03-31 → 2024-06-30 | Owl Creek Asset Management | TRIMMED | 903,169 | 651,600 | -$17.6M |
| 2024-03-31 → 2024-06-30 | Ancora Advisors | ADDED | 2,170 | 2,292 | $0.0M |
| 2024-03-31 → 2024-06-30 | Geode Capital Management | ADDED | 12,783,355 | 13,402,040 | $13.9M |
| 2024-03-31 → 2024-06-30 | Charles Schwab Investment Management | ADDED | 3,782,796 | 3,909,067 | $0.5M |
| 2024-03-31 → 2024-06-30 | Victory Capital Management | ADDED | 310,637 | 385,387 | $4.1M |
| 2024-03-31 → 2024-06-30 | Verition Fund Management | TRIMMED | 180,674 | 170,053 | -$1.0M |
| 2024-03-31 → 2024-06-30 | Walleye Capital | TRIMMED | 1,959,324 | 1,505,221 | -$32.5M |
| 2024-03-31 → 2024-06-30 | Squarepoint Ops | TRIMMED | 2,124,725 | 804,918 | -$87.4M |
| 2024-03-31 → 2024-06-30 | Schonfeld Strategic Advisors | TRIMMED | 208,963 | 37,205 | -$11.2M |
| 2024-03-31 → 2024-06-30 | Qube Research & Technologies | ADDED | 113,974 | 179,803 | $3.9M |
| 2024-03-31 → 2024-06-30 | Capstone Investment Advisors | ADDED | 265,202 | 276,210 | $0.2M |
| 2024-03-31 → 2024-06-30 | Graham Capital Management | TRIMMED | 29,799 | 3,805 | -$1.7M |
| 2024-03-31 → 2024-06-30 | Man Group | ADDED | 22,808 | 102,577 | $5.0M |
| 2024-03-31 → 2024-06-30 | 1832 Asset Management | TRIMMED | 59,634 | 59,412 | -$0.1M |
| 2023-12-31 → 2024-03-31 | Berkshire Hathaway | ADDED | 243,715,804 | 248,018,128 | $1,566.4M |
| 2023-12-31 → 2024-03-31 | Citadel Advisors | ADDED | 8,579,636 | 9,374,670 | $97.0M |
| 2023-12-31 → 2024-03-31 | Point72 Asset Management | TRIMMED | 942,600 | 842,600 | -$1.5M |
| 2023-12-31 → 2024-03-31 | D. E. Shaw & Co. | TRIMMED | 4,872,897 | 2,989,896 | -$96.6M |
| 2023-12-31 → 2024-03-31 | Two Sigma Investments | ADDED | 1,245,672 | 3,611,365 | $160.3M |
| 2023-12-31 → 2024-03-31 | Millennium Management | TRIMMED | 6,805,493 | 5,018,607 | -$80.2M |
| 2023-12-31 → 2024-03-31 | Fisher Asset Management | ADDED | 600,472 | 606,825 | $3.6M |
| 2023-12-31 → 2024-03-31 | AQR Capital Management | TRIMMED | 96,096 | 72,254 | -$1.1M |
| 2023-12-31 → 2024-03-31 | Adage Capital Partners | CLOSED | 721,348 | 0 | -$43.1M |
| 2023-12-31 → 2024-03-31 | Marshall Wace | TRIMMED | 1,379,178 | 941,592 | -$21.2M |
| 2023-12-31 → 2024-03-31 | Neuberger Berman | ADDED | 195,420 | 574,795 | $25.7M |
| 2023-12-31 → 2024-03-31 | Owl Creek Asset Management | ADDED | 287,704 | 903,169 | $41.5M |
| 2023-12-31 → 2024-03-31 | Ancora Advisors | TRIMMED | 2,247 | 2,170 | $0.0M |
| 2023-12-31 → 2024-03-31 | Geode Capital Management | ADDED | 12,571,844 | 12,783,355 | $79.8M |
| 2023-12-31 → 2024-03-31 | Charles Schwab Investment Management | ADDED | 3,699,722 | 3,782,796 | $24.9M |
| 2023-12-31 → 2024-03-31 | Victory Capital Management | TRIMMED | 342,611 | 310,637 | -$0.3M |
| 2023-12-31 → 2024-03-31 | Verition Fund Management | ADDED | 124,727 | 180,674 | $4.3M |
| 2023-12-31 → 2024-03-31 | Walleye Capital | ADDED | 768,400 | 1,959,324 | $81.5M |
| 2023-12-31 → 2024-03-31 | Squarepoint Ops | ADDED | 416,602 | 2,124,725 | $113.2M |
| 2023-12-31 → 2024-03-31 | Schonfeld Strategic Advisors | ADDED | 102,904 | 208,963 | $7.4M |
| 2023-12-31 → 2024-03-31 | Qube Research & Technologies | ADDED | 24,996 | 113,974 | $5.9M |
| 2023-12-31 → 2024-03-31 | Capstone Investment Advisors | TRIMMED | 378,691 | 265,202 | -$5.4M |
| 2023-12-31 → 2024-03-31 | Graham Capital Management | ADDED | 11,920 | 29,799 | $1.2M |
| 2023-12-31 → 2024-03-31 | Man Group | ADDED | 5,917 | 22,808 | $1.1M |
| 2023-12-31 → 2024-03-31 | 1832 Asset Management | ADDED | 41,767 | 59,634 | $1.4M |
| 2023-09-30 → 2023-12-31 | Berkshire Hathaway | ADDED | 224,129,192 | 243,715,804 | $10.8M |
| 2023-09-30 → 2023-12-31 | Citadel Advisors | TRIMMED | 10,283,307 | 8,579,636 | -$154.9M |
| 2023-09-30 → 2023-12-31 | Bridgewater Associates | CLOSED | 24,211 | 0 | -$1.6M |
| 2023-09-30 → 2023-12-31 | Point72 Asset Management | TRIMMED | 1,742,427 | 942,600 | -$56.8M |
| 2023-09-30 → 2023-12-31 | D. E. Shaw & Co. | TRIMMED | 5,560,090 | 4,872,897 | -$69.8M |
| 2023-09-30 → 2023-12-31 | Two Sigma Investments | NEW | 0 | 1,245,672 | $74.4M |
| 2023-09-30 → 2023-12-31 | Millennium Management | ADDED | 6,341,617 | 6,805,493 | -$5.1M |
| 2023-09-30 → 2023-12-31 | Fisher Asset Management | ADDED | 592,657 | 600,472 | -$2.6M |
| 2023-09-30 → 2023-12-31 | AQR Capital Management | TRIMMED | 111,118 | 96,096 | -$1.5M |
| 2023-09-30 → 2023-12-31 | Maverick Capital | CLOSED | 6,703 | 0 | -$0.4M |
| 2023-09-30 → 2023-12-31 | Adage Capital Partners | TRIMMED | 1,324,648 | 721,348 | -$42.9M |
| 2023-09-30 → 2023-12-31 | Marshall Wace | ADDED | 1,109,080 | 1,379,178 | $10.4M |
| 2023-09-30 → 2023-12-31 | Neuberger Berman | ADDED | 191,441 | 195,420 | -$0.8M |
| 2023-09-30 → 2023-12-31 | Owl Creek Asset Management | TRIMMED | 577,799 | 287,704 | -$20.3M |
| 2023-09-30 → 2023-12-31 | Ancora Advisors | TRIMMED | 2,363 | 2,247 | -$0.0M |
| 2023-09-30 → 2023-12-31 | Arrowstreet Capital | CLOSED | 837,369 | 0 | -$0.1M |
| 2023-09-30 → 2023-12-31 | Geode Capital Management | ADDED | 12,285,624 | 12,571,844 | -$46.7M |
| 2023-09-30 → 2023-12-31 | Charles Schwab Investment Management | ADDED | 3,617,362 | 3,699,722 | -$13.8M |
| 2023-09-30 → 2023-12-31 | Victory Capital Management | TRIMMED | 344,369 | 342,611 | -$1.9M |
| 2023-09-30 → 2023-12-31 | Verition Fund Management | ADDED | 60,516 | 124,727 | $3.5M |
| 2023-09-30 → 2023-12-31 | Walleye Capital | ADDED | 671,600 | 768,400 | $2.3M |
| 2023-09-30 → 2023-12-31 | Squarepoint Ops | TRIMMED | 926,432 | 416,602 | -$35.2M |
| 2023-09-30 → 2023-12-31 | Schonfeld Strategic Advisors | TRIMMED | 473,454 | 102,904 | -$24.6M |
| 2023-09-30 → 2023-12-31 | Qube Research & Technologies | TRIMMED | 338,221 | 24,996 | -$20.5M |
| 2023-09-30 → 2023-12-31 | Capstone Investment Advisors | ADDED | 184,710 | 378,691 | $10.6M |
| 2023-09-30 → 2023-12-31 | Graham Capital Management | ADDED | 3,127 | 11,920 | $0.5M |
| 2023-09-30 → 2023-12-31 | Man Group | TRIMMED | 184,395 | 5,917 | -$11.6M |
| 2023-09-30 → 2023-12-31 | 1832 Asset Management | TRIMMED | 43,425 | 41,767 | -$0.3M |