CompositeGovernment TrackerInsider TradingHedge FundsRed FlagsFinancials

Hedge Funds Tracker

SPRO

Spero Therapeutics, Inc.
Funds Buying5
Funds Selling7
# Funds Holding13
Total Value Held$6.4M

Current Holders

FundSharesValue% of PortfolioAs OfLatest MoveLatest Share Change
Renaissance Technologies947,904$2.1M0%2026-06-30TRIMMED-241,331
Geode Capital Management566,329$1.3M0%2026-06-30ADDED+46,407
Two Sigma Investments382,814$0.8M0%2026-06-30TRIMMED-502,817
Arrowstreet Capital332,970$0.7M0%2026-06-30NEW+332,970
Squarepoint Ops194,301$0.5M0%2026-03-31CLOSED-194,301
Marshall Wace157,072$0.4M0%2026-03-31CLOSED-157,072
Point72 Asset Management104,377$0.2M0%2026-06-30ADDED+44,709
Citadel Advisors65,600$0.1M0%2026-06-30TRIMMED-360,058
Charles Schwab Investment Management28,565$0.1M0%2026-06-30
Man Group38,481$0.1M0%2024-09-30CLOSED-38,481
Schonfeld Strategic Advisors20,314$0.0M0%2026-03-31CLOSED-20,314
Millennium Management19,298$0.0M0%2026-06-30NEW+19,298
Qube Research & Technologies13,644$0.0M0%2026-06-30NEW+13,644

Move History

QuarterFundActionPrev SharesNew SharesValue Change
2026-03-31 → 2026-06-30Renaissance TechnologiesTRIMMED1,189,235947,904-$0.7M
2026-03-31 → 2026-06-30Citadel AdvisorsTRIMMED425,65865,600-$0.9M
2026-03-31 → 2026-06-30Point72 Asset ManagementADDED59,668104,377$0.1M
2026-03-31 → 2026-06-30Two Sigma InvestmentsTRIMMED885,631382,814-$1.2M
2026-03-31 → 2026-06-30Millennium ManagementNEW019,298$0.0M
2026-03-31 → 2026-06-30Marshall WaceCLOSED157,0720-$0.4M
2026-03-31 → 2026-06-30Arrowstreet CapitalNEW0332,970$0.7M
2026-03-31 → 2026-06-30Geode Capital ManagementADDED519,922566,329$0.0M
2026-03-31 → 2026-06-30Squarepoint OpsCLOSED194,3010-$0.5M
2026-03-31 → 2026-06-30Schonfeld Strategic AdvisorsCLOSED20,3140-$0.0M
2026-03-31 → 2026-06-30Qube Research & TechnologiesNEW013,644$0.0M
2025-12-31 → 2026-03-31Renaissance TechnologiesTRIMMED1,279,5221,189,235-$0.2M
2025-12-31 → 2026-03-31Citadel AdvisorsTRIMMED470,964425,658-$0.1M
2025-12-31 → 2026-03-31Point72 Asset ManagementADDED43,57959,668$0.0M
2025-12-31 → 2026-03-31Two Sigma InvestmentsADDED372,570885,631$1.2M
2025-12-31 → 2026-03-31Millennium ManagementCLOSED24,1070-$0.1M
2025-12-31 → 2026-03-31Marshall WaceNEW0157,072$0.4M
2025-12-31 → 2026-03-31Geode Capital ManagementTRIMMED529,195519,922-$0.0M
2025-12-31 → 2026-03-31Squarepoint OpsADDED119,434194,301$0.2M
2025-12-31 → 2026-03-31Schonfeld Strategic AdvisorsNEW020,314$0.0M
2025-09-30 → 2025-12-31Renaissance TechnologiesTRIMMED1,452,7651,279,522$0.3M
2025-09-30 → 2025-12-31Citadel AdvisorsADDED54,800470,964$1.0M
2025-09-30 → 2025-12-31Point72 Asset ManagementNEW043,579$0.1M
2025-09-30 → 2025-12-31Two Sigma InvestmentsADDED49,399372,570$0.8M
2025-09-30 → 2025-12-31Millennium ManagementNEW024,107$0.1M
2025-09-30 → 2025-12-31Arrowstreet CapitalCLOSED150,5160-$0.3M
2025-09-30 → 2025-12-31Geode Capital ManagementADDED527,477529,195$0.2M
2025-09-30 → 2025-12-31Squarepoint OpsNEW0119,434$0.3M
2025-06-30 → 2025-09-30Renaissance TechnologiesADDED832,1651,452,765$0.3M
2025-06-30 → 2025-09-30Citadel AdvisorsTRIMMED240,98654,800-$0.6M
2025-06-30 → 2025-09-30Two Sigma InvestmentsNEW049,399$0.1M
2025-06-30 → 2025-09-30Arrowstreet CapitalNEW0150,516$0.3M
2025-06-30 → 2025-09-30Geode Capital ManagementADDED510,699527,477-$0.5M
2025-06-30 → 2025-09-30Schonfeld Strategic AdvisorsCLOSED510,8340-$1.5M
2025-03-31 → 2025-06-30Renaissance TechnologiesTRIMMED970,907832,165$1.7M
2025-03-31 → 2025-06-30Citadel AdvisorsADDED70,716240,986$0.6M
2025-03-31 → 2025-06-30Geode Capital ManagementTRIMMED524,869510,699$1.1M
2025-03-31 → 2025-06-30Squarepoint OpsCLOSED92,9390-$0.1M
2025-03-31 → 2025-06-30Schonfeld Strategic AdvisorsNEW0510,834$1.5M
2024-12-31 → 2025-03-31Renaissance TechnologiesTRIMMED1,105,591970,907-$0.4M
2024-12-31 → 2025-03-31Citadel AdvisorsTRIMMED173,27270,716-$0.1M
2024-12-31 → 2025-03-31Geode Capital ManagementADDED481,128524,869-$0.1M
2024-12-31 → 2025-03-31Squarepoint OpsADDED55,05192,939$0.0M
2024-09-30 → 2024-12-31Renaissance TechnologiesADDED974,6531,105,591-$0.2M
2024-09-30 → 2024-12-31Citadel AdvisorsADDED81,825173,272$0.1M
2024-09-30 → 2024-12-31Millennium ManagementCLOSED32,1720-$0.0M
2024-09-30 → 2024-12-31Geode Capital ManagementTRIMMED481,187481,128-$0.1M
2024-09-30 → 2024-12-31Squarepoint OpsNEW055,051$0.1M
2024-09-30 → 2024-12-31Man GroupCLOSED38,4810-$0.1M
2024-06-30 → 2024-09-30Renaissance TechnologiesTRIMMED975,952974,653$0.0M
2024-06-30 → 2024-09-30Citadel AdvisorsTRIMMED313,53481,825-$0.3M
2024-06-30 → 2024-09-30Millennium ManagementTRIMMED98,51832,172-$0.1M
2024-06-30 → 2024-09-30Geode Capital ManagementTRIMMED492,187481,187$0.0M
2024-06-30 → 2024-09-30Qube Research & TechnologiesCLOSED10-$0.0M
2024-06-30 → 2024-09-30Man GroupTRIMMED73,46938,481-$0.0M
2024-03-31 → 2024-06-30Renaissance TechnologiesADDED854,460975,952$1.3M
2024-03-31 → 2024-06-30Citadel AdvisorsNEW0313,534$0.4M
2024-03-31 → 2024-06-30Millennium ManagementTRIMMED147,87298,518-$0.1M
2024-03-31 → 2024-06-30Geode Capital ManagementADDED469,441492,187-$0.2M
2024-03-31 → 2024-06-30Squarepoint OpsCLOSED79,4010-$0.1M
2024-03-31 → 2024-06-30Man GroupTRIMMED214,02673,469-$0.3M
2023-12-31 → 2024-03-31Renaissance TechnologiesADDED547,465854,460$0.0M
2023-12-31 → 2024-03-31Citadel AdvisorsCLOSED32,2740-$0.0M
2023-12-31 → 2024-03-31Millennium ManagementTRIMMED148,857147,872$0.0M
2023-12-31 → 2024-03-31Geode Capital ManagementADDED412,707469,441$0.2M
2023-12-31 → 2024-03-31Squarepoint OpsTRIMMED122,80279,401-$0.0M
2023-12-31 → 2024-03-31Man GroupNEW0214,026$0.4M
2023-09-30 → 2023-12-31Renaissance TechnologiesADDED547,165547,465$0.0M
2023-09-30 → 2023-12-31Citadel AdvisorsNEW032,274$0.0M
2023-09-30 → 2023-12-31Two Sigma InvestmentsCLOSED17,0230-$0.0M
2023-09-30 → 2023-12-31Millennium ManagementADDED119,694148,857$0.1M
2023-09-30 → 2023-12-31Squarepoint OpsTRIMMED129,497122,802$0.0M