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Hedge Funds Tracker

IRON

Disc Medicine, Inc.
Funds Buying12
Funds Selling14
# Funds Holding26
Total Value Held$234.4M

Current Holders

FundSharesValue% of PortfolioAs OfLatest MoveLatest Share Change
Geode Capital Management789,724$57.8M0%2026-06-30ADDED+45,502
Adage Capital Partners450,000$29.7M0%2025-09-30CLOSED-450,000
Loomis Sayles381,864$27.9M0%2026-06-30ADDED+64,642
OrbiMed Advisors357,535$26.2M0%2026-06-30TRIMMED-710,015
Charles Schwab Investment Management257,382$18.8M0%2026-06-30ADDED+6,187
Citadel Advisors242,308$17.7M0%2026-06-30ADDED+111,178
Two Sigma Investments136,750$10.0M0%2026-06-30NEW+136,750
Millennium Management106,248$7.8M0%2026-06-30ADDED+22,989
Hudson Bay Capital Management102,185$6.8M0%2025-09-30CLOSED-102,185
Squarepoint Ops75,872$5.5M0%2026-06-30ADDED+44,163
Verition Fund Management63,535$5.0M0%2025-12-31CLOSED-63,535
Moore Capital Management57,796$4.2M0%2026-06-30NEW+57,796
Suvretta Capital (now Montanova Capital)80,000$4.0M0%2025-03-31CLOSED-80,000
Marshall Wace34,394$2.5M0%2026-06-30NEW+34,394
Victory Capital Management29,117$2.1M0%2026-06-30TRIMMED-101
Renaissance Technologies31,820$2.0M0%2026-03-31CLOSED-31,820
Man Group14,925$1.1M0%2026-06-30ADDED+4,919
Walleye Capital15,449$1.0M0%2025-09-30CLOSED-15,449
Qube Research & Technologies12,758$0.9M0%2026-06-30NEW+12,758
AQR Capital Management9,868$0.7M0%2026-06-30TRIMMED-4,287
Arrowstreet Capital7,767$0.6M0%2025-12-31CLOSED-7,767
Point72 Asset Management9,226$0.6M0%2025-09-30CLOSED-9,226
D. E. Shaw & Co.6,027$0.4M0%2026-06-30NEW+6,027
Schonfeld Strategic Advisors7,552$0.4M0%2025-03-31CLOSED-7,552
Capstone Investment Advisors3,355$0.2M0%2026-06-30TRIMMED-2,910
Graham Capital Management4,217$0.2M0%2025-03-31CLOSED-4,217

Move History

QuarterFundActionPrev SharesNew SharesValue Change
2026-03-31 → 2026-06-30Renaissance TechnologiesCLOSED31,8200-$2.0M
2026-03-31 → 2026-06-30Citadel AdvisorsADDED131,130242,308$9.3M
2026-03-31 → 2026-06-30D. E. Shaw & Co.NEW06,027$0.4M
2026-03-31 → 2026-06-30Two Sigma InvestmentsNEW0136,750$10.0M
2026-03-31 → 2026-06-30Millennium ManagementADDED83,259106,248$2.4M
2026-03-31 → 2026-06-30AQR Capital ManagementTRIMMED14,1559,868-$0.2M
2026-03-31 → 2026-06-30Marshall WaceNEW034,394$2.5M
2026-03-31 → 2026-06-30Geode Capital ManagementADDED744,222789,724$10.2M
2026-03-31 → 2026-06-30Loomis SaylesADDED317,222381,864$7.6M
2026-03-31 → 2026-06-30Charles Schwab Investment ManagementADDED251,195257,382$2.8M
2026-03-31 → 2026-06-30Victory Capital ManagementTRIMMED29,21829,117$0.3M
2026-03-31 → 2026-06-30OrbiMed AdvisorsTRIMMED1,067,550357,535-$42.1M
2026-03-31 → 2026-06-30Squarepoint OpsADDED31,70975,872$3.5M
2026-03-31 → 2026-06-30Qube Research & TechnologiesNEW012,758$0.9M
2026-03-31 → 2026-06-30Capstone Investment AdvisorsTRIMMED6,2653,355-$0.2M
2026-03-31 → 2026-06-30Man GroupADDED10,00614,925$0.5M
2025-12-31 → 2026-03-31Renaissance TechnologiesTRIMMED62,82031,820-$3.0M
2025-12-31 → 2026-03-31Citadel AdvisorsADDED100,395131,130$0.4M
2025-12-31 → 2026-03-31Millennium ManagementTRIMMED208,77983,259-$11.3M
2025-12-31 → 2026-03-31AQR Capital ManagementADDED14,00714,155-$0.2M
2025-12-31 → 2026-03-31Marshall WaceCLOSED4,6420-$0.4M
2025-12-31 → 2026-03-31Arrowstreet CapitalCLOSED7,7670-$0.6M
2025-12-31 → 2026-03-31Geode Capital ManagementADDED684,958744,222-$6.8M
2025-12-31 → 2026-03-31Loomis SaylesADDED282,409317,222-$2.1M
2025-12-31 → 2026-03-31Charles Schwab Investment ManagementADDED247,039251,195-$3.6M
2025-12-31 → 2026-03-31Victory Capital ManagementTRIMMED76,33829,218-$4.2M
2025-12-31 → 2026-03-31Moore Capital ManagementNEW057,796$3.7M
2025-12-31 → 2026-03-31Verition Fund ManagementCLOSED63,5350-$5.0M
2025-12-31 → 2026-03-31Squarepoint OpsADDED15,75431,709$0.8M
2025-12-31 → 2026-03-31Capstone Investment AdvisorsNEW06,265$0.4M
2025-12-31 → 2026-03-31Man GroupNEW010,006$0.6M
2025-09-30 → 2025-12-31Renaissance TechnologiesADDED6,80062,820$4.5M
2025-09-30 → 2025-12-31Citadel AdvisorsADDED54,294100,395$4.4M
2025-09-30 → 2025-12-31Point72 Asset ManagementCLOSED9,2260-$0.6M
2025-09-30 → 2025-12-31D. E. Shaw & Co.CLOSED24,9000-$1.6M
2025-09-30 → 2025-12-31Millennium ManagementADDED161,000208,779$5.9M
2025-09-30 → 2025-12-31AQR Capital ManagementADDED13,97814,007$0.2M
2025-09-30 → 2025-12-31Adage Capital PartnersCLOSED450,0000-$29.7M
2025-09-30 → 2025-12-31Marshall WaceTRIMMED14,0014,642-$0.6M
2025-09-30 → 2025-12-31Arrowstreet CapitalNEW07,767$0.6M
2025-09-30 → 2025-12-31Geode Capital ManagementADDED628,151684,958$12.9M
2025-09-30 → 2025-12-31Loomis SaylesNEW0282,409$22.4M
2025-09-30 → 2025-12-31Charles Schwab Investment ManagementADDED226,655247,039$4.6M
2025-09-30 → 2025-12-31Victory Capital ManagementTRIMMED149,86476,338-$3.8M
2025-09-30 → 2025-12-31OrbiMed AdvisorsTRIMMED1,415,0201,067,550-$8.7M
2025-09-30 → 2025-12-31Verition Fund ManagementADDED6,13363,535$4.6M
2025-09-30 → 2025-12-31Walleye CapitalCLOSED15,4490-$1.0M
2025-09-30 → 2025-12-31Squarepoint OpsADDED5,37715,754$0.9M
2025-09-30 → 2025-12-31Hudson Bay Capital ManagementCLOSED102,1850-$6.8M
2025-06-30 → 2025-09-30Renaissance TechnologiesTRIMMED96,4206,800-$4.7M
2025-06-30 → 2025-09-30Citadel AdvisorsADDED20,50054,294$2.5M
2025-06-30 → 2025-09-30Point72 Asset ManagementNEW09,226$0.6M
2025-06-30 → 2025-09-30D. E. Shaw & Co.NEW024,900$1.6M
2025-06-30 → 2025-09-30Millennium ManagementADDED36,593161,000$8.7M
2025-06-30 → 2025-09-30AQR Capital ManagementADDED13,64913,978$0.2M
2025-06-30 → 2025-09-30Marshall WaceNEW014,001$0.9M
2025-06-30 → 2025-09-30Geode Capital ManagementADDED598,589628,151$9.8M
2025-06-30 → 2025-09-30Charles Schwab Investment ManagementADDED204,241226,655$4.2M
2025-06-30 → 2025-09-30Victory Capital ManagementTRIMMED197,824149,864-$0.6M
2025-06-30 → 2025-09-30Verition Fund ManagementNEW06,133$0.4M
2025-06-30 → 2025-09-30Walleye CapitalADDED14,06415,449$0.3M
2025-06-30 → 2025-09-30Squarepoint OpsNEW05,377$0.4M
2025-06-30 → 2025-09-30Hudson Bay Capital ManagementNEW0102,185$6.8M
2025-03-31 → 2025-06-30Renaissance TechnologiesTRIMMED191,22096,420-$4.4M
2025-03-31 → 2025-06-30Citadel AdvisorsTRIMMED63,61420,500-$2.1M
2025-03-31 → 2025-06-30D. E. Shaw & Co.CLOSED219,6030-$10.9M
2025-03-31 → 2025-06-30Millennium ManagementTRIMMED108,49936,593-$3.4M
2025-03-31 → 2025-06-30AQR Capital ManagementNEW013,649$0.7M
2025-03-31 → 2025-06-30Adage Capital PartnersADDED300,000450,000$8.9M
2025-03-31 → 2025-06-30Suvretta Capital (now Montanova Capital)CLOSED80,0000-$4.0M
2025-03-31 → 2025-06-30Geode Capital ManagementADDED571,984598,589$3.3M
2025-03-31 → 2025-06-30Charles Schwab Investment ManagementADDED194,725204,241$1.2M
2025-03-31 → 2025-06-30Victory Capital ManagementADDED193,664197,824$0.9M
2025-03-31 → 2025-06-30Verition Fund ManagementCLOSED4,2790-$0.2M
2025-03-31 → 2025-06-30Walleye CapitalTRIMMED22,07514,064-$0.4M
2025-03-31 → 2025-06-30Schonfeld Strategic AdvisorsCLOSED7,5520-$0.4M
2025-03-31 → 2025-06-30Graham Capital ManagementCLOSED4,2170-$0.2M
2024-12-31 → 2025-03-31Renaissance TechnologiesADDED86,420191,220$4.0M
2024-12-31 → 2025-03-31Citadel AdvisorsTRIMMED604,37163,614-$35.2M
2024-12-31 → 2025-03-31Point72 Asset ManagementCLOSED13,4440-$0.9M
2024-12-31 → 2025-03-31D. E. Shaw & Co.ADDED81,190219,603$5.8M
2024-12-31 → 2025-03-31Millennium ManagementADDED7,879108,499$4.9M
2024-12-31 → 2025-03-31Adage Capital PartnersTRIMMED350,000300,000-$7.3M
2024-12-31 → 2025-03-31Suvretta Capital (now Montanova Capital)NEW080,000$4.0M
2024-12-31 → 2025-03-31Geode Capital ManagementADDED472,706571,984-$1.6M
2024-12-31 → 2025-03-31Charles Schwab Investment ManagementADDED165,072194,725-$0.8M
2024-12-31 → 2025-03-31Victory Capital ManagementTRIMMED236,244193,664-$5.4M
2024-12-31 → 2025-03-31OrbiMed AdvisorsTRIMMED1,785,5711,415,020-$43.0M
2024-12-31 → 2025-03-31Verition Fund ManagementNEW04,279$0.2M
2024-12-31 → 2025-03-31Walleye CapitalTRIMMED27,00422,075-$0.6M
2024-12-31 → 2025-03-31Squarepoint OpsCLOSED30,0000-$1.9M
2024-12-31 → 2025-03-31Schonfeld Strategic AdvisorsADDED4,9007,552$0.1M
2024-12-31 → 2025-03-31Graham Capital ManagementNEW04,217$0.2M
2024-09-30 → 2024-12-31Renaissance TechnologiesNEW086,420$5.5M
2024-09-30 → 2024-12-31Citadel AdvisorsADDED415,024604,371$17.9M
2024-09-30 → 2024-12-31Point72 Asset ManagementTRIMMED755,86713,444-$36.3M
2024-09-30 → 2024-12-31D. E. Shaw & Co.NEW081,190$5.1M
2024-09-30 → 2024-12-31Millennium ManagementNEW07,879$0.5M
2024-09-30 → 2024-12-31Adage Capital PartnersTRIMMED550,000350,000-$4.8M
2024-09-30 → 2024-12-31Geode Capital ManagementTRIMMED474,719472,706$6.6M
2024-09-30 → 2024-12-31Charles Schwab Investment ManagementADDED160,554165,072$2.6M
2024-09-30 → 2024-12-31Victory Capital ManagementADDED220,014236,244$4.2M
2024-09-30 → 2024-12-31Verition Fund ManagementCLOSED11,9800-$0.6M
2024-09-30 → 2024-12-31Walleye CapitalTRIMMED209,23627,004-$8.6M
2024-09-30 → 2024-12-31Squarepoint OpsADDED8,80530,000$1.5M
2024-09-30 → 2024-12-31Schonfeld Strategic AdvisorsTRIMMED5,2814,900$0.1M
2024-06-30 → 2024-09-30Citadel AdvisorsADDED338,821415,024$5.1M
2024-06-30 → 2024-09-30Point72 Asset ManagementTRIMMED761,429755,867$2.8M
2024-06-30 → 2024-09-30Adage Capital PartnersTRIMMED618,501550,000-$0.8M
2024-06-30 → 2024-09-30Marshall WaceCLOSED12,3000-$0.6M
2024-06-30 → 2024-09-30Geode Capital ManagementADDED403,736474,719$5.1M
2024-06-30 → 2024-09-30Charles Schwab Investment ManagementADDED141,153160,554$1.5M
2024-06-30 → 2024-09-30Victory Capital ManagementTRIMMED312,049220,014-$3.3M
2024-06-30 → 2024-09-30Verition Fund ManagementNEW011,980$0.6M
2024-06-30 → 2024-09-30Walleye CapitalADDED136,096209,236$4.1M
2024-06-30 → 2024-09-30Squarepoint OpsNEW08,805$0.4M
2024-06-30 → 2024-09-30Schonfeld Strategic AdvisorsTRIMMED6,9245,281-$0.1M
2024-03-31 → 2024-06-30Renaissance TechnologiesCLOSED8,5200-$0.0M
2024-03-31 → 2024-06-30Citadel AdvisorsTRIMMED387,124338,821-$8.8M
2024-03-31 → 2024-06-30Point72 Asset ManagementNEW0761,429$34.3M
2024-03-31 → 2024-06-30Two Sigma InvestmentsCLOSED14,7110-$0.9M
2024-03-31 → 2024-06-30Millennium ManagementCLOSED101,2000-$6.3M
2024-03-31 → 2024-06-30Adage Capital PartnersADDED574,464618,501-$7.9M
2024-03-31 → 2024-06-30Marshall WaceNEW012,300$0.6M
2024-03-31 → 2024-06-30Geode Capital ManagementADDED245,774403,736$2.9M
2024-03-31 → 2024-06-30Charles Schwab Investment ManagementADDED92,093141,153$0.6M
2024-03-31 → 2024-06-30Victory Capital ManagementADDED213,061312,049$0.8M
2024-03-31 → 2024-06-30OrbiMed AdvisorsADDED1,702,2371,785,571-$25.5M
2024-03-31 → 2024-06-30Walleye CapitalADDED11,555136,096$5.4M
2024-03-31 → 2024-06-30Schonfeld Strategic AdvisorsTRIMMED48,5796,924-$2.7M
2024-03-31 → 2024-06-30Qube Research & TechnologiesCLOSED74,7770-$4.7M
2023-12-31 → 2024-03-31Renaissance TechnologiesTRIMMED48,2808,520-$0.0M
2023-12-31 → 2024-03-31Citadel AdvisorsADDED206,024387,124$12.2M
2023-12-31 → 2024-03-31Two Sigma InvestmentsTRIMMED23,09414,711-$0.4M
2023-12-31 → 2024-03-31Millennium ManagementADDED20,697101,200$5.1M
2023-12-31 → 2024-03-31Adage Capital PartnersTRIMMED750,000574,464-$7.6M
2023-12-31 → 2024-03-31Geode Capital ManagementADDED229,419245,774$2.1M
2023-12-31 → 2024-03-31Charles Schwab Investment ManagementADDED89,72592,093$0.6M
2023-12-31 → 2024-03-31Victory Capital ManagementADDED187,580213,061$2.4M
2023-12-31 → 2024-03-31Walleye CapitalNEW011,555$0.7M
2023-12-31 → 2024-03-31Squarepoint OpsCLOSED8,1070-$0.5M
2023-12-31 → 2024-03-31Schonfeld Strategic AdvisorsADDED22,34648,579$1.7M
2023-12-31 → 2024-03-31Qube Research & TechnologiesADDED50,71174,777$1.7M
2023-12-31 → 2024-03-31Hudson Bay Capital ManagementCLOSED62,0000-$3.6M
2023-09-30 → 2023-12-31Renaissance TechnologiesADDED29,69048,280$0.0M
2023-09-30 → 2023-12-31Citadel AdvisorsTRIMMED310,431206,024-$2.7M
2023-09-30 → 2023-12-31Point72 Asset ManagementCLOSED86,0000-$4.0M
2023-09-30 → 2023-12-31Two Sigma InvestmentsADDED9,30023,094$0.9M
2023-09-30 → 2023-12-31Millennium ManagementNEW020,697$1.2M
2023-09-30 → 2023-12-31Adage Capital PartnersTRIMMED1,308,405750,000-$18.1M
2023-09-30 → 2023-12-31Geode Capital ManagementADDED214,398229,419$3.2M
2023-09-30 → 2023-12-31Charles Schwab Investment ManagementADDED84,20089,725$1.2M
2023-09-30 → 2023-12-31Victory Capital ManagementADDED137,523187,580$4.4M
2023-09-30 → 2023-12-31OrbiMed AdvisorsTRIMMED2,269,6371,702,237-$8.3M
2023-09-30 → 2023-12-31Squarepoint OpsADDED5,2008,107$0.2M
2023-09-30 → 2023-12-31Schonfeld Strategic AdvisorsADDED12,70022,346$0.7M
2023-09-30 → 2023-12-31Qube Research & TechnologiesNEW050,711$2.9M
2023-09-30 → 2023-12-31Hudson Bay Capital ManagementADDED42,00062,000$1.6M