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Hedge Funds Tracker

MLAB

MESA LABORATORIES INC
Funds Buying10
Funds Selling14
# Funds Holding24
Total Value Held$137.8M

Current Holders

FundSharesValue% of PortfolioAs OfLatest MoveLatest Share Change
Select Equity Group235,885$20.9M0%2026-03-31CLOSED-235,885
AQR Capital Management203,739$20.3M0%2026-06-30ADDED+33,177
Context Capital Management16,047$16.0M0%2025-06-30CLOSED-16,047
Diamond Hill Capital Management155,771$15.5M0%2026-06-30ADDED+469
Geode Capital Management139,682$13.9M0%2026-06-30ADDED+11,680
Capstone Investment Advisors9,116,000$9.1M0%2025-06-30CLOSED-9,116,000
D. E. Shaw & Co.81,755$8.1M0%2026-06-30ADDED+27,197
Charles Schwab Investment Management54,463$5.4M0%2026-06-30TRIMMED-7,961
Oaktree Capital Management5,438,000$5.4M0%2025-06-30CLOSED-5,438,000
Qube Research & Technologies37,402$3.7M0%2026-06-30NEW+37,402
Citadel Advisors35,890$3.6M0%2026-06-30ADDED+27,467
Two Sigma Investments29,239$2.9M0%2026-06-30ADDED+12,880
Renaissance Technologies28,900$2.9M0%2026-06-30TRIMMED-2,700
Man Group24,070$2.4M0%2026-06-30ADDED+21,593
Point72 Asset Management22,514$2.2M0%2026-06-30ADDED+6,205
Irenic Capital Management25,000$2.0M0%2025-12-31CLOSED-25,000
Marshall Wace8,740$0.9M0%2026-06-30NEW+8,740
Victory Capital Management10,455$0.7M0%2025-09-30CLOSED-10,455
Arrowstreet Capital6,228$0.5M0%2025-12-31CLOSED-6,228
Millennium Management4,465$0.4M0%2025-12-31CLOSED-4,465
Walleye Capital2,864$0.3M0%2024-03-31CLOSED-2,864
Graham Capital Management2,859$0.3M0%2026-06-30TRIMMED-470
Squarepoint Ops3,187$0.3M0%2026-03-31CLOSED-3,187
Verition Fund Management2,100$0.2M0%2025-03-31CLOSED-2,100

Move History

QuarterFundActionPrev SharesNew SharesValue Change
2026-03-31 → 2026-06-30Renaissance TechnologiesTRIMMED31,60028,900$0.1M
2026-03-31 → 2026-06-30Citadel AdvisorsADDED8,42335,890$2.8M
2026-03-31 → 2026-06-30Point72 Asset ManagementADDED16,30922,514$0.8M
2026-03-31 → 2026-06-30D. E. Shaw & Co.ADDED54,55881,755$3.3M
2026-03-31 → 2026-06-30Two Sigma InvestmentsADDED16,35929,239$1.5M
2026-03-31 → 2026-06-30AQR Capital ManagementADDED170,562203,739$5.2M
2026-03-31 → 2026-06-30Marshall WaceNEW08,740$0.9M
2026-03-31 → 2026-06-30Diamond Hill Capital ManagementADDED155,302155,771$1.8M
2026-03-31 → 2026-06-30Geode Capital ManagementADDED128,002139,682$2.6M
2026-03-31 → 2026-06-30Charles Schwab Investment ManagementTRIMMED62,42454,463-$0.1M
2026-03-31 → 2026-06-30Select Equity GroupCLOSED235,8850-$20.9M
2026-03-31 → 2026-06-30Squarepoint OpsCLOSED3,1870-$0.3M
2026-03-31 → 2026-06-30Qube Research & TechnologiesNEW037,402$3.7M
2026-03-31 → 2026-06-30Graham Capital ManagementTRIMMED3,3292,859-$0.0M
2026-03-31 → 2026-06-30Man GroupADDED2,47724,070$2.2M
2025-12-31 → 2026-03-31Renaissance TechnologiesADDED3,50031,600$2.5M
2025-12-31 → 2026-03-31Citadel AdvisorsTRIMMED58,5218,423-$3.8M
2025-12-31 → 2026-03-31Point72 Asset ManagementADDED13,45816,309$0.4M
2025-12-31 → 2026-03-31D. E. Shaw & Co.TRIMMED76,56554,558-$1.2M
2025-12-31 → 2026-03-31Two Sigma InvestmentsADDED12,23516,359$0.5M
2025-12-31 → 2026-03-31Millennium ManagementCLOSED4,4650-$0.4M
2025-12-31 → 2026-03-31AQR Capital ManagementADDED70,138170,562$9.6M
2025-12-31 → 2026-03-31Marshall WaceCLOSED7,1370-$0.6M
2025-12-31 → 2026-03-31Irenic Capital ManagementCLOSED25,0000-$2.0M
2025-12-31 → 2026-03-31Arrowstreet CapitalCLOSED6,2280-$0.5M
2025-12-31 → 2026-03-31Diamond Hill Capital ManagementADDED141,973155,302$2.6M
2025-12-31 → 2026-03-31Geode Capital ManagementADDED127,950128,002$1.3M
2025-12-31 → 2026-03-31Charles Schwab Investment ManagementADDED61,91362,424$0.7M
2025-12-31 → 2026-03-31Select Equity GroupADDED206,435235,885$4.7M
2025-12-31 → 2026-03-31Squarepoint OpsADDED2,7473,187$0.1M
2025-12-31 → 2026-03-31Qube Research & TechnologiesCLOSED28,1300-$2.2M
2025-12-31 → 2026-03-31Graham Capital ManagementTRIMMED3,7233,329$0.0M
2025-12-31 → 2026-03-31Man GroupTRIMMED13,3872,477-$0.8M
2025-09-30 → 2025-12-31Renaissance TechnologiesTRIMMED10,9003,500-$0.5M
2025-09-30 → 2025-12-31Citadel AdvisorsADDED34,17858,521$2.3M
2025-09-30 → 2025-12-31Point72 Asset ManagementNEW013,458$1.1M
2025-09-30 → 2025-12-31D. E. Shaw & Co.ADDED32,81176,565$3.8M
2025-09-30 → 2025-12-31Two Sigma InvestmentsADDED9,62312,235$0.3M
2025-09-30 → 2025-12-31Millennium ManagementTRIMMED133,8174,465-$8.6M
2025-09-30 → 2025-12-31AQR Capital ManagementADDED32,63970,138$3.3M
2025-09-30 → 2025-12-31Marshall WaceTRIMMED14,6007,137-$0.4M
2025-09-30 → 2025-12-31Irenic Capital ManagementNEW025,000$2.0M
2025-09-30 → 2025-12-31Arrowstreet CapitalNEW06,228$0.5M
2025-09-30 → 2025-12-31Diamond Hill Capital ManagementADDED123,381141,973$2.9M
2025-09-30 → 2025-12-31Geode Capital ManagementADDED127,860127,950$1.5M
2025-09-30 → 2025-12-31Charles Schwab Investment ManagementADDED54,60561,913$1.2M
2025-09-30 → 2025-12-31Victory Capital ManagementCLOSED10,4550-$0.7M
2025-09-30 → 2025-12-31Select Equity GroupADDED126,715206,435$7.7M
2025-09-30 → 2025-12-31Squarepoint OpsNEW02,747$0.2M
2025-09-30 → 2025-12-31Qube Research & TechnologiesTRIMMED30,72528,130$0.1M
2025-09-30 → 2025-12-31Graham Capital ManagementNEW03,723$0.3M
2025-09-30 → 2025-12-31Man GroupNEW013,387$1.1M
2025-06-30 → 2025-09-30Renaissance TechnologiesTRIMMED68,02710,900-$5.7M
2025-06-30 → 2025-09-30Citadel AdvisorsADDED26,87334,178-$0.2M
2025-06-30 → 2025-09-30D. E. Shaw & Co.ADDED8,66532,811$1.4M
2025-06-30 → 2025-09-30Two Sigma InvestmentsNEW09,623$0.6M
2025-06-30 → 2025-09-30Millennium ManagementADDED57,710133,817$3.5M
2025-06-30 → 2025-09-30AQR Capital ManagementADDED7,72732,639$1.5M
2025-06-30 → 2025-09-30Marshall WaceNEW014,600$1.0M
2025-06-30 → 2025-09-30Diamond Hill Capital ManagementADDED38,799123,381$4.6M
2025-06-30 → 2025-09-30Oaktree Capital ManagementCLOSED5,438,0000-$5.4M
2025-06-30 → 2025-09-30Geode Capital ManagementTRIMMED138,769127,860-$4.5M
2025-06-30 → 2025-09-30Charles Schwab Investment ManagementTRIMMED61,76454,605-$2.2M
2025-06-30 → 2025-09-30Victory Capital ManagementADDED1,90810,455$0.5M
2025-06-30 → 2025-09-30Select Equity GroupADDED102,198126,715-$1.1M
2025-06-30 → 2025-09-30Qube Research & TechnologiesADDED19,89830,725$0.2M
2025-06-30 → 2025-09-30Capstone Investment AdvisorsCLOSED9,116,0000-$9.1M
2025-06-30 → 2025-09-30Man GroupCLOSED7,8690-$0.7M
2025-06-30 → 2025-09-30Context Capital ManagementCLOSED16,0470-$16.0M
2025-03-31 → 2025-06-30Renaissance TechnologiesADDED8,20068,027$5.4M
2025-03-31 → 2025-06-30Citadel AdvisorsADDED6,08226,873$1.8M
2025-03-31 → 2025-06-30D. E. Shaw & Co.NEW08,665$0.8M
2025-03-31 → 2025-06-30Millennium ManagementNEW057,710$5.4M
2025-03-31 → 2025-06-30AQR Capital ManagementTRIMMED8,1567,727-$0.2M
2025-03-31 → 2025-06-30Diamond Hill Capital ManagementADDED29,45838,799$0.2M
2025-03-31 → 2025-06-30Geode Capital ManagementADDED137,516138,769-$3.2M
2025-03-31 → 2025-06-30Charles Schwab Investment ManagementTRIMMED65,46461,764-$1.9M
2025-03-31 → 2025-06-30Victory Capital ManagementTRIMMED8,7061,908-$0.9M
2025-03-31 → 2025-06-30Select Equity GroupADDED73,897102,198$0.9M
2025-03-31 → 2025-06-30Verition Fund ManagementCLOSED2,1000-$0.2M
2024-12-31 → 2025-06-30Qube Research & TechnologiesNEW019,898$1.9M
2025-03-31 → 2025-06-30Man GroupADDED5,0107,869$0.1M
2024-12-31 → 2025-03-31Renaissance TechnologiesADDED7,5008,200-$0.0M
2024-12-31 → 2025-03-31Citadel AdvisorsTRIMMED6,8176,082-$0.2M
2024-12-31 → 2025-03-31Millennium ManagementCLOSED4,8320-$0.6M
2024-12-31 → 2025-03-31AQR Capital ManagementTRIMMED10,8858,156-$0.5M
2024-12-31 → 2025-03-31Marshall WaceCLOSED3,4760-$0.5M
2024-12-31 → 2025-03-31Diamond Hill Capital ManagementADDED26,63429,458-$0.0M
2024-12-31 → 2025-03-31Oaktree Capital ManagementTRIMMED5,507,0005,438,000-$0.1M
2024-12-31 → 2025-03-31Geode Capital ManagementADDED124,446137,516-$0.1M
2024-12-31 → 2025-03-31Charles Schwab Investment ManagementADDED62,58965,464-$0.5M
2024-12-31 → 2025-03-31Victory Capital ManagementTRIMMED8,8368,706-$0.1M
2024-12-31 → 2025-03-31Select Equity GroupADDED13,71173,897$7.0M
2024-12-31 → 2025-03-31Verition Fund ManagementNEW02,100$0.2M
2024-12-31 → 2025-03-31Squarepoint OpsCLOSED2,2250-$0.3M
2024-12-31 → 2025-03-31Man GroupNEW05,010$0.6M
2024-09-30 → 2024-12-31Renaissance TechnologiesTRIMMED13,4007,500-$0.8M
2024-09-30 → 2024-12-31Citadel AdvisorsTRIMMED10,7156,817-$0.5M
2024-09-30 → 2024-12-31Millennium ManagementADDED3,0024,832$0.2M
2024-09-30 → 2024-12-31AQR Capital ManagementTRIMMED11,43210,885-$0.0M
2024-09-30 → 2024-12-31Marshall WaceTRIMMED8,5563,476-$0.7M
2024-09-30 → 2024-12-31Diamond Hill Capital ManagementNEW026,634$3.5M
2024-09-30 → 2024-12-31Oaktree Capital ManagementTRIMMED7,146,0005,507,000-$1.5M
2024-09-30 → 2024-12-31Geode Capital ManagementTRIMMED124,761124,446$0.2M
2024-09-30 → 2024-12-31Charles Schwab Investment ManagementTRIMMED62,60962,589$0.1M
2024-09-30 → 2024-12-31Victory Capital ManagementTRIMMED14,0018,836-$0.7M
2024-09-30 → 2024-12-31Select Equity GroupADDED13,02713,711$0.1M
2024-09-30 → 2024-12-31Verition Fund ManagementCLOSED1,296,0000-$1.3M
2024-09-30 → 2024-12-31Squarepoint OpsNEW02,225$0.3M
2024-09-30 → 2024-12-31Qube Research & TechnologiesCLOSED2,1090-$0.3M
2024-09-30 → 2024-12-31Man GroupCLOSED4,5780-$0.6M
2024-06-30 → 2024-09-30Renaissance TechnologiesADDED2,40013,400$1.5M
2024-06-30 → 2024-09-30Citadel AdvisorsTRIMMED24,69510,715-$0.8M
2024-06-30 → 2024-09-30Point72 Asset ManagementCLOSED7,8410-$0.7M
2024-06-30 → 2024-09-30Millennium ManagementNEW03,002$0.4M
2024-06-30 → 2024-09-30AQR Capital ManagementTRIMMED18,00311,432-$0.1M
2024-06-30 → 2024-09-30Marshall WaceTRIMMED14,5608,556-$0.2M
2024-06-30 → 2024-09-30Oaktree Capital ManagementTRIMMED7,480,0007,146,000-$0.2M
2024-06-30 → 2024-09-30Geode Capital ManagementADDED118,990124,761$5.9M
2024-06-30 → 2024-09-30Charles Schwab Investment ManagementADDED45,15962,609$4.2M
2024-06-30 → 2024-09-30Victory Capital ManagementADDED7,35814,001$1.2M
2024-06-30 → 2024-09-30Select Equity GroupADDED8,27313,027$1.0M
2024-06-30 → 2024-09-30Qube Research & TechnologiesADDED1,5302,109$0.1M
2024-06-30 → 2024-09-30Man GroupNEW04,578$0.6M
2024-03-31 → 2024-06-30Renaissance TechnologiesTRIMMED16,1002,400$0.2M
2024-03-31 → 2024-06-30Citadel AdvisorsTRIMMED33,78024,695-$1.6M
2024-03-31 → 2024-06-30Point72 Asset ManagementTRIMMED20,7667,841-$1.6M
2024-03-31 → 2024-06-30D. E. Shaw & Co.CLOSED3,9790-$0.4M
2024-03-31 → 2024-06-30Millennium ManagementCLOSED1,8800-$0.2M
2024-03-31 → 2024-06-30AQR Capital ManagementTRIMMED21,63418,003-$0.8M
2024-03-31 → 2024-06-30Marshall WaceTRIMMED26,41314,560-$1.6M
2024-03-31 → 2024-06-30Oaktree Capital ManagementADDED4,760,0007,480,000$2.6M
2024-03-31 → 2024-06-30Geode Capital ManagementADDED112,865118,990-$2.1M
2024-03-31 → 2024-06-30Charles Schwab Investment ManagementADDED44,27845,159-$0.9M
2024-03-31 → 2024-06-30Victory Capital ManagementTRIMMED7,9527,358-$0.2M
2024-03-31 → 2024-06-30Select Equity GroupTRIMMED9,3718,273-$0.3M
2024-03-31 → 2024-06-30Walleye CapitalCLOSED2,8640-$0.3M
2024-03-31 → 2024-06-30Qube Research & TechnologiesTRIMMED5,0421,530-$0.4M
2024-03-31 → 2024-06-30Capstone Investment AdvisorsTRIMMED22,000,0009,116,000-$12.2M
2024-03-31 → 2024-06-30Man GroupCLOSED2,8420-$0.3M
2024-03-31 → 2024-06-30Context Capital ManagementADDED10,55016,047$5.2M
2023-12-31 → 2024-03-31Renaissance TechnologiesTRIMMED30,40016,100-$0.0M
2023-12-31 → 2024-03-31Citadel AdvisorsADDED27,26833,780$0.8M
2023-12-31 → 2024-03-31Point72 Asset ManagementNEW020,766$2.3M
2023-12-31 → 2024-03-31D. E. Shaw & Co.TRIMMED5,9223,979-$0.2M
2023-12-31 → 2024-03-31Millennium ManagementNEW01,880$0.2M
2023-12-31 → 2024-03-31AQR Capital ManagementADDED17,79221,634$0.5M
2023-12-31 → 2024-03-31Marshall WaceADDED15,84726,413$1.2M
2023-12-31 → 2024-03-31Oaktree Capital ManagementTRIMMED11,544,0004,760,000-$6.2M
2023-12-31 → 2024-03-31Geode Capital ManagementADDED111,115112,865$0.7M
2023-12-31 → 2024-03-31Charles Schwab Investment ManagementADDED41,39244,278$0.5M
2023-12-31 → 2024-03-31Victory Capital ManagementADDED4,8147,952$0.4M
2023-12-31 → 2024-03-31Verition Fund ManagementADDED1,5921,296,000-$0.2M
2023-12-31 → 2024-03-31Walleye CapitalTRIMMED3,000,0002,864-$2.5M
2023-12-31 → 2024-03-31Squarepoint OpsCLOSED3,6080-$0.4M
2023-12-31 → 2024-03-31Qube Research & TechnologiesTRIMMED15,6825,042-$1.1M
2023-12-31 → 2024-03-31Capstone Investment AdvisorsADDED20,500,00022,000,000$1.9M
2023-12-31 → 2024-03-31Man GroupNEW02,842$0.3M
2023-12-31 → 2024-03-31Context Capital ManagementTRIMMED11,55010,550$10.0M
2023-09-30 → 2023-12-31Renaissance TechnologiesADDED8,80030,400$0.0M
2023-09-30 → 2023-12-31Citadel AdvisorsADDED26,13827,268$0.1M
2023-09-30 → 2023-12-31D. E. Shaw & Co.ADDED4,2065,922$0.2M
2023-09-30 → 2023-12-31Millennium ManagementCLOSED5,5360-$0.6M
2023-09-30 → 2023-12-31AQR Capital ManagementADDED14,71417,792$0.3M
2023-09-30 → 2023-12-31Marshall WaceADDED5,27615,847$1.1M
2023-09-30 → 2023-12-31Oaktree Capital ManagementADDED8,545,00011,544,000$2.9M
2023-09-30 → 2023-12-31Geode Capital ManagementADDED105,089111,115$0.6M
2023-09-30 → 2023-12-31Charles Schwab Investment ManagementADDED40,49841,392$0.1M
2023-09-30 → 2023-12-31Victory Capital ManagementTRIMMED5,8964,814-$0.1M
2023-09-30 → 2023-12-31Select Equity GroupTRIMMED9,6539,371-$0.0M
2023-09-30 → 2023-12-31Squarepoint OpsNEW03,608$0.4M
2023-09-30 → 2023-12-31Qube Research & TechnologiesTRIMMED17,96815,682-$0.2M