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Hedge Funds Tracker

MASS

908 Devices Inc.
Funds Buying7
Funds Selling11
# Funds Holding18
Total Value Held$41.4M

Current Holders

FundSharesValue% of PortfolioAs OfLatest MoveLatest Share Change
ARK Investment Management2,027,920$17.6M0%2026-06-30ADDED+81,235
First Eagle Investment Management929,985$8.1M0%2026-06-30ADDED+126,379
Geode Capital Management761,797$6.6M0%2026-06-30ADDED+66,342
Charles Schwab Investment Management233,892$2.0M0%2026-06-30ADDED+4,403
Renaissance Technologies191,900$1.7M0%2026-06-30TRIMMED-38,300
Marshall Wace190,635$1.0M0%2025-12-31CLOSED-190,635
AQR Capital Management103,909$0.9M0%2026-06-30TRIMMED-497
Millennium Management142,422$0.9M0%2026-03-31CLOSED-142,422
D. E. Shaw & Co.75,446$0.7M0%2026-06-30NEW+75,446
Citadel Advisors62,747$0.5M0%2026-06-30TRIMMED-81,800
Squarepoint Ops37,739$0.3M0%2026-06-30TRIMMED-175,454
Point72 Asset Management55,945$0.3M0%2025-12-31CLOSED-55,945
Two Sigma Investments44,127$0.3M0%2026-03-31CLOSED-44,127
Graham Capital Management14,827$0.1M0%2026-06-30ADDED+1,580
Schonfeld Strategic Advisors11,134$0.1M0%2026-06-30NEW+11,134
Verition Fund Management16,276$0.1M0%2024-06-30CLOSED-16,276
Walleye Capital11,504$0.1M0%2025-06-30CLOSED-11,504
PrimeCap Management20,000$0.1M0%2024-09-30CLOSED-20,000

Move History

QuarterFundActionPrev SharesNew SharesValue Change
2026-03-31 → 2026-06-30Renaissance TechnologiesTRIMMED230,200191,900$0.3M
2026-03-31 → 2026-06-30Citadel AdvisorsTRIMMED144,54762,747-$0.3M
2026-03-31 → 2026-06-30ARK Investment ManagementADDED1,946,6852,027,920$5.7M
2026-03-31 → 2026-06-30D. E. Shaw & Co.NEW075,446$0.7M
2026-03-31 → 2026-06-30Two Sigma InvestmentsCLOSED44,1270-$0.3M
2026-03-31 → 2026-06-30Millennium ManagementCLOSED142,4220-$0.9M
2026-03-31 → 2026-06-30AQR Capital ManagementTRIMMED104,406103,909$0.3M
2026-03-31 → 2026-06-30First Eagle Investment ManagementADDED803,606929,985$3.2M
2026-03-31 → 2026-06-30Geode Capital ManagementADDED695,455761,797$2.4M
2026-03-31 → 2026-06-30Charles Schwab Investment ManagementADDED229,489233,892$0.6M
2026-03-31 → 2026-06-30Squarepoint OpsTRIMMED213,19337,739-$1.0M
2026-03-31 → 2026-06-30Schonfeld Strategic AdvisorsNEW011,134$0.1M
2026-03-31 → 2026-06-30Graham Capital ManagementADDED13,24714,827$0.0M
2025-12-31 → 2026-03-31Renaissance TechnologiesADDED222,100230,200$0.2M
2025-12-31 → 2026-03-31Citadel AdvisorsTRIMMED286,973144,547-$0.6M
2025-12-31 → 2026-03-31ARK Investment ManagementTRIMMED1,985,9861,946,685$1.5M
2025-12-31 → 2026-03-31Point72 Asset ManagementCLOSED55,9450-$0.3M
2025-12-31 → 2026-03-31Two Sigma InvestmentsTRIMMED72,32744,127-$0.1M
2025-12-31 → 2026-03-31Millennium ManagementTRIMMED158,103142,422$0.0M
2025-12-31 → 2026-03-31AQR Capital ManagementTRIMMED104,806104,406$0.1M
2025-12-31 → 2026-03-31Marshall WaceCLOSED190,6350-$1.0M
2025-12-31 → 2026-03-31First Eagle Investment ManagementADDED623,883803,606$1.6M
2025-12-31 → 2026-03-31Geode Capital ManagementADDED688,566695,455$0.6M
2025-12-31 → 2026-03-31Charles Schwab Investment ManagementTRIMMED240,929229,489$0.1M
2025-12-31 → 2026-03-31Squarepoint OpsTRIMMED218,676213,193$0.2M
2025-12-31 → 2026-03-31Graham Capital ManagementTRIMMED20,78713,247-$0.0M
2025-09-30 → 2025-12-31Renaissance TechnologiesADDED209,300222,100-$0.7M
2025-09-30 → 2025-12-31Citadel AdvisorsADDED53,500286,973$1.0M
2025-09-30 → 2025-12-31ARK Investment ManagementADDED1,953,7721,985,986-$6.7M
2025-09-30 → 2025-12-31Point72 Asset ManagementNEW055,945$0.3M
2025-09-30 → 2025-12-31D. E. Shaw & Co.CLOSED25,6030-$0.2M
2025-09-30 → 2025-12-31Millennium ManagementADDED31,063158,103$0.6M
2025-09-30 → 2025-12-31AQR Capital ManagementTRIMMED105,179104,806-$0.4M
2025-09-30 → 2025-12-31Marshall WaceTRIMMED439,639190,635-$2.9M
2025-09-30 → 2025-12-31First Eagle Investment ManagementADDED603,962623,883-$2.0M
2025-09-30 → 2025-12-31Geode Capital ManagementADDED672,089688,566-$2.3M
2025-09-30 → 2025-12-31Charles Schwab Investment ManagementTRIMMED241,119240,929-$0.8M
2025-09-30 → 2025-12-31Squarepoint OpsADDED133,774218,676-$0.0M
2025-09-30 → 2025-12-31Schonfeld Strategic AdvisorsCLOSED103,0250-$0.9M
2025-09-30 → 2025-12-31Graham Capital ManagementADDED18,41320,787-$0.1M
2025-06-30 → 2025-09-30Renaissance TechnologiesADDED174,100209,300$0.6M
2025-06-30 → 2025-09-30Citadel AdvisorsADDED26,00053,500$0.3M
2025-06-30 → 2025-09-30ARK Investment ManagementTRIMMED2,648,2781,953,772-$1.8M
2025-06-30 → 2025-09-30D. E. Shaw & Co.TRIMMED186,21525,603-$1.1M
2025-06-30 → 2025-09-30Two Sigma InvestmentsADDED70,99472,327$0.1M
2025-06-30 → 2025-09-30Millennium ManagementTRIMMED82,69931,063-$0.3M
2025-06-30 → 2025-09-30AQR Capital ManagementADDED94,992105,179$0.2M
2025-06-30 → 2025-09-30Marshall WaceTRIMMED648,796439,639-$0.8M
2025-06-30 → 2025-09-30First Eagle Investment ManagementADDED267,378603,962$3.4M
2025-06-30 → 2025-09-30Geode Capital ManagementADDED658,603672,089$1.2M
2025-06-30 → 2025-09-30Charles Schwab Investment ManagementADDED232,273241,119$0.5M
2025-06-30 → 2025-09-30Walleye CapitalCLOSED11,5040-$0.1M
2025-06-30 → 2025-09-30Squarepoint OpsNEW0133,774$1.2M
2025-06-30 → 2025-09-30Schonfeld Strategic AdvisorsTRIMMED236,438103,025-$0.8M
2025-06-30 → 2025-09-30Graham Capital ManagementNEW018,413$0.2M
2025-03-31 → 2025-06-30Renaissance TechnologiesADDED144,600174,100$0.6M
2025-03-31 → 2025-06-30Citadel AdvisorsTRIMMED34,10026,000$0.0M
2025-03-31 → 2025-06-30ARK Investment ManagementTRIMMED2,899,3472,648,278$5.9M
2025-03-31 → 2025-06-30D. E. Shaw & Co.TRIMMED339,715186,215-$0.2M
2025-03-31 → 2025-06-30Two Sigma InvestmentsADDED69,92770,994$0.2M
2025-03-31 → 2025-06-30Millennium ManagementNEW082,699$0.6M
2025-03-31 → 2025-06-30AQR Capital ManagementADDED81,55894,992$0.3M
2025-03-31 → 2025-06-30Marshall WaceADDED141,234648,796$4.0M
2025-03-31 → 2025-06-30First Eagle Investment ManagementNEW0267,378$1.9M
2025-03-31 → 2025-06-30Geode Capital ManagementADDED589,839658,603$2.1M
2025-03-31 → 2025-06-30Charles Schwab Investment ManagementADDED212,230232,273$0.7M
2025-03-31 → 2025-06-30Walleye CapitalNEW011,504$0.1M
2025-03-31 → 2025-06-30Schonfeld Strategic AdvisorsNEW0236,438$1.7M
2024-12-31 → 2025-03-31Renaissance TechnologiesTRIMMED294,956144,600-$0.0M
2024-12-31 → 2025-03-31Citadel AdvisorsTRIMMED201,08334,100-$0.3M
2024-12-31 → 2025-03-31ARK Investment ManagementADDED2,788,5662,899,347$6.9M
2024-12-31 → 2025-03-31D. E. Shaw & Co.ADDED85,860339,715$1.3M
2024-12-31 → 2025-03-31Two Sigma InvestmentsADDED19,00069,927$0.3M
2024-12-31 → 2025-03-31Millennium ManagementCLOSED116,3580-$0.3M
2024-12-31 → 2025-03-31AQR Capital ManagementNEW081,558$0.4M
2024-12-31 → 2025-03-31Marshall WaceADDED38,500141,234$0.5M
2024-12-31 → 2025-03-31Geode Capital ManagementADDED581,300589,839$1.4M
2024-12-31 → 2025-03-31Charles Schwab Investment ManagementADDED201,768212,230$0.5M
2024-09-30 → 2024-12-31Renaissance TechnologiesTRIMMED322,400294,956-$0.5M
2024-09-30 → 2024-12-31Citadel AdvisorsTRIMMED253,229201,083-$0.4M
2024-09-30 → 2024-12-31ARK Investment ManagementTRIMMED3,219,5492,788,566-$5.0M
2024-09-30 → 2024-12-31D. E. Shaw & Co.ADDED57,59785,860-$0.0M
2024-09-30 → 2024-12-31Two Sigma InvestmentsNEW019,000$0.0M
2024-09-30 → 2024-12-31Millennium ManagementTRIMMED131,524116,358-$0.2M
2024-09-30 → 2024-12-31AQR Capital ManagementCLOSED152,0530-$0.5M
2024-09-30 → 2024-12-31Marshall WaceNEW038,500$0.1M
2024-09-30 → 2024-12-31Geode Capital ManagementADDED567,788581,300-$0.7M
2024-09-30 → 2024-12-31PrimeCap ManagementCLOSED20,0000-$0.1M
2024-09-30 → 2024-12-31Charles Schwab Investment ManagementTRIMMED220,477201,768-$0.3M
2024-06-30 → 2024-09-30Renaissance TechnologiesADDED195,500322,400$0.1M
2024-06-30 → 2024-09-30Citadel AdvisorsADDED171,476253,229-$0.0M
2024-06-30 → 2024-09-30ARK Investment ManagementTRIMMED3,937,6313,219,549-$9.1M
2024-06-30 → 2024-09-30D. E. Shaw & Co.ADDED15,72457,597$0.1M
2024-06-30 → 2024-09-30Millennium ManagementTRIMMED618,310131,524-$2.7M
2024-06-30 → 2024-09-30AQR Capital ManagementADDED113,594152,053-$0.1M
2024-06-30 → 2024-09-30Marshall WaceCLOSED44,3960-$0.2M
2024-06-30 → 2024-09-30Geode Capital ManagementADDED561,154567,788-$0.9M
2024-06-30 → 2024-09-30PrimeCap ManagementTRIMMED24,83020,000-$0.1M
2024-06-30 → 2024-09-30Charles Schwab Investment ManagementADDED192,462220,477-$0.2M
2024-06-30 → 2024-09-30Verition Fund ManagementCLOSED16,2760-$0.1M
2024-06-30 → 2024-09-30Squarepoint OpsCLOSED48,5540-$0.3M
2024-03-31 → 2024-06-30Renaissance TechnologiesADDED109,000195,500$1.0M
2024-03-31 → 2024-06-30Citadel AdvisorsADDED66,226171,476$0.4M
2024-03-31 → 2024-06-30ARK Investment ManagementTRIMMED4,048,9383,937,631-$10.3M
2024-03-31 → 2024-06-30Point72 Asset ManagementCLOSED18,9000-$0.1M
2024-03-31 → 2024-06-30D. E. Shaw & Co.NEW015,724$0.1M
2024-03-31 → 2024-06-30Millennium ManagementADDED456,388618,310-$0.3M
2024-03-31 → 2024-06-30AQR Capital ManagementNEW0113,594$0.6M
2024-03-31 → 2024-06-30Marshall WaceNEW044,396$0.2M
2024-03-31 → 2024-06-30Geode Capital ManagementADDED527,261561,154-$1.1M
2024-03-31 → 2024-06-30PrimeCap ManagementTRIMMED26,87024,830-$0.1M
2024-03-31 → 2024-06-30Charles Schwab Investment ManagementTRIMMED193,884192,462-$0.5M
2024-03-31 → 2024-06-30Verition Fund ManagementNEW016,276$0.1M
2024-03-31 → 2024-06-30Squarepoint OpsNEW048,554$0.3M
2023-12-31 → 2024-03-31Renaissance TechnologiesADDED96,900109,000-$0.0M
2023-12-31 → 2024-03-31Citadel AdvisorsTRIMMED67,76366,226-$0.3M
2023-12-31 → 2024-03-31ARK Investment ManagementTRIMMED4,346,5794,048,938-$18.2M
2023-12-31 → 2024-03-31Point72 Asset ManagementTRIMMED20,20018,900-$0.1M
2023-12-31 → 2024-03-31Millennium ManagementADDED24,478456,388$3.2M
2023-12-31 → 2024-03-31Geode Capital ManagementADDED518,589527,261-$1.8M
2023-12-31 → 2024-03-31Charles Schwab Investment ManagementADDED180,661193,884-$0.6M
2023-09-30 → 2023-12-31Renaissance TechnologiesADDED84,70096,900$0.0M
2023-09-30 → 2023-12-31Citadel AdvisorsADDED53,15467,763$0.4M
2023-09-30 → 2023-12-31ARK Investment ManagementADDED4,013,4604,346,579$22.0M
2023-09-30 → 2023-12-31Point72 Asset ManagementNEW020,200$0.2M
2023-09-30 → 2023-12-31Millennium ManagementADDED16,37624,478$0.2M
2023-09-30 → 2023-12-31AQR Capital ManagementCLOSED17,4240-$0.1M
2023-09-30 → 2023-12-31Geode Capital ManagementADDED480,771518,589$2.6M
2023-09-30 → 2023-12-31Charles Schwab Investment ManagementADDED169,703180,661$0.9M