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Hedge Funds Tracker

SPOK

Spok Holdings, Inc
Funds Buying10
Funds Selling7
# Funds Holding17
Total Value Held$29.3M

Current Holders

FundSharesValue% of PortfolioAs OfLatest MoveLatest Share Change
Renaissance Technologies1,148,579$11.8M0%2026-06-30TRIMMED-113,000
Geode Capital Management595,842$6.1M0%2026-06-30ADDED+50,124
Qube Research & Technologies287,617$2.9M0%2026-06-30ADDED+115,560
Citadel Advisors183,447$1.9M0%2026-06-30ADDED+165,672
D. E. Shaw & Co.130,163$1.3M0%2026-06-30ADDED+40,712
Marshall Wace112,789$1.2M0%2026-03-31CLOSED-112,789
Charles Schwab Investment Management69,857$0.7M0%2026-06-30ADDED+13,822
Walleye Capital35,856$0.6M0%2025-09-30CLOSED-35,856
Man Group57,712$0.6M0%2026-06-30ADDED+9,387
Victory Capital Management57,510$0.6M0%2026-06-30ADDED+14,694
AQR Capital Management44,987$0.5M0%2026-06-30ADDED+1,855
Schonfeld Strategic Advisors24,450$0.3M0%2026-06-30NEW+24,450
Two Sigma Investments23,150$0.2M0%2026-06-30ADDED+3,250
Millennium Management22,380$0.2M0%2026-06-30TRIMMED-14,775
Point72 Asset Management19,105$0.2M0%2026-06-30TRIMMED-70,522
Squarepoint Ops12,481$0.1M0%2026-03-31CLOSED-12,481
Arrowstreet Capital110,414$0.0M0%2023-09-30CLOSED-110,414

Move History

QuarterFundActionPrev SharesNew SharesValue Change
2026-03-31 → 2026-06-30Renaissance TechnologiesTRIMMED1,261,5791,148,579-$2.0M
2026-03-31 → 2026-06-30Citadel AdvisorsADDED17,775183,447$1.7M
2026-03-31 → 2026-06-30Point72 Asset ManagementTRIMMED89,62719,105-$0.8M
2026-03-31 → 2026-06-30D. E. Shaw & Co.ADDED89,451130,163$0.4M
2026-03-31 → 2026-06-30Two Sigma InvestmentsADDED19,90023,150$0.0M
2026-03-31 → 2026-06-30Millennium ManagementTRIMMED37,15522,380-$0.2M
2026-03-31 → 2026-06-30AQR Capital ManagementADDED43,13244,987-$0.0M
2026-03-31 → 2026-06-30Marshall WaceCLOSED112,7890-$1.2M
2026-03-31 → 2026-06-30Geode Capital ManagementADDED545,718595,842$0.2M
2026-03-31 → 2026-06-30Charles Schwab Investment ManagementADDED56,03569,857$0.1M
2026-03-31 → 2026-06-30Victory Capital ManagementADDED42,81657,510$0.1M
2026-03-31 → 2026-06-30Squarepoint OpsCLOSED12,4810-$0.1M
2026-03-31 → 2026-06-30Schonfeld Strategic AdvisorsNEW024,450$0.3M
2026-03-31 → 2026-06-30Qube Research & TechnologiesADDED172,057287,617$1.1M
2026-03-31 → 2026-06-30Man GroupADDED48,32557,712$0.1M
2025-12-31 → 2026-03-31Renaissance TechnologiesADDED1,246,5791,261,579-$2.7M
2025-12-31 → 2026-03-31Citadel AdvisorsTRIMMED80,49217,775-$0.9M
2025-12-31 → 2026-03-31Point72 Asset ManagementADDED18,72589,627$0.7M
2025-12-31 → 2026-03-31D. E. Shaw & Co.ADDED70,62889,451$0.0M
2025-12-31 → 2026-03-31Two Sigma InvestmentsTRIMMED62,58719,900-$0.6M
2025-12-31 → 2026-03-31Millennium ManagementTRIMMED125,80837,155-$1.3M
2025-12-31 → 2026-03-31AQR Capital ManagementADDED16,36643,132$0.3M
2025-12-31 → 2026-03-31Marshall WaceNEW0112,789$1.2M
2025-12-31 → 2026-03-31Geode Capital ManagementTRIMMED598,552545,718-$1.9M
2025-12-31 → 2026-03-31Charles Schwab Investment ManagementTRIMMED60,98956,035-$0.2M
2025-12-31 → 2026-03-31Victory Capital ManagementADDED37,03742,816-$0.0M
2025-12-31 → 2026-03-31Squarepoint OpsTRIMMED16,11212,481-$0.1M
2025-12-31 → 2026-03-31Qube Research & TechnologiesTRIMMED178,092172,057-$0.5M
2025-12-31 → 2026-03-31Man GroupADDED26,43948,325$0.2M
2025-09-30 → 2025-12-31Renaissance TechnologiesADDED1,172,5501,246,579-$3.8M
2025-09-30 → 2025-12-31Citadel AdvisorsADDED23,35780,492$0.7M
2025-09-30 → 2025-12-31Point72 Asset ManagementNEW018,725$0.2M
2025-09-30 → 2025-12-31D. E. Shaw & Co.ADDED40,54270,628$0.2M
2025-09-30 → 2025-12-31Two Sigma InvestmentsTRIMMED169,23162,587-$2.1M
2025-09-30 → 2025-12-31Millennium ManagementADDED28,293125,808$1.2M
2025-09-30 → 2025-12-31AQR Capital ManagementTRIMMED43,28016,366-$0.5M
2025-09-30 → 2025-12-31Marshall WaceCLOSED34,0840-$0.6M
2025-09-30 → 2025-12-31Geode Capital ManagementTRIMMED601,226598,552-$2.5M
2025-09-30 → 2025-12-31Charles Schwab Investment ManagementTRIMMED61,10360,989-$0.2M
2025-09-30 → 2025-12-31Victory Capital ManagementADDED22,88837,037$0.1M
2025-09-30 → 2025-12-31Walleye CapitalCLOSED35,8560-$0.6M
2025-09-30 → 2025-12-31Squarepoint OpsNEW016,112$0.2M
2025-09-30 → 2025-12-31Qube Research & TechnologiesADDED161,975178,092-$0.4M
2025-09-30 → 2025-12-31Man GroupADDED25,37426,439-$0.1M
2025-06-30 → 2025-09-30Renaissance TechnologiesADDED1,056,6501,172,550$1.5M
2025-06-30 → 2025-09-30Citadel AdvisorsTRIMMED65,41723,357-$0.8M
2025-06-30 → 2025-09-30D. E. Shaw & Co.ADDED14,49940,542$0.4M
2025-06-30 → 2025-09-30Two Sigma InvestmentsADDED108,769169,231$1.0M
2025-06-30 → 2025-09-30Millennium ManagementTRIMMED39,72828,293-$0.2M
2025-06-30 → 2025-09-30AQR Capital ManagementADDED32,05443,280$0.2M
2025-06-30 → 2025-09-30Marshall WaceADDED33,07534,084$0.0M
2025-06-30 → 2025-09-30Geode Capital ManagementADDED518,327601,226$1.2M
2025-06-30 → 2025-09-30Charles Schwab Investment ManagementADDED60,93061,103-$0.0M
2025-06-30 → 2025-09-30Victory Capital ManagementNEW022,888$0.4M
2025-06-30 → 2025-09-30Walleye CapitalADDED30,44435,856$0.1M
2025-06-30 → 2025-09-30Qube Research & TechnologiesADDED145,818161,975$0.2M
2025-06-30 → 2025-09-30Man GroupTRIMMED26,33525,374-$0.0M
2025-03-31 → 2025-06-30Renaissance TechnologiesADDED1,019,4501,056,650$1.9M
2025-03-31 → 2025-06-30Citadel AdvisorsTRIMMED172,42065,417-$1.7M
2025-03-31 → 2025-06-30D. E. Shaw & Co.NEW014,499$0.3M
2025-03-31 → 2025-06-30Two Sigma InvestmentsADDED63,830108,769$0.9M
2025-03-31 → 2025-06-30Millennium ManagementTRIMMED48,50339,728-$0.1M
2025-03-31 → 2025-06-30AQR Capital ManagementADDED16,46432,054$0.3M
2025-03-31 → 2025-06-30Marshall WaceTRIMMED53,25733,075-$0.3M
2025-03-31 → 2025-06-30Geode Capital ManagementADDED488,370518,327$1.1M
2025-03-31 → 2025-06-30Charles Schwab Investment ManagementADDED55,31460,930$0.2M
2025-03-31 → 2025-06-30Walleye CapitalNEW030,444$0.5M
2024-12-31 → 2025-06-30Qube Research & TechnologiesADDED71,880145,818$1.4M
2025-03-31 → 2025-06-30Man GroupTRIMMED27,24426,335$0.0M
2024-12-31 → 2025-03-31Renaissance TechnologiesADDED975,6501,019,450$1.1M
2024-12-31 → 2025-03-31Citadel AdvisorsADDED50,712172,420$2.0M
2024-12-31 → 2025-03-31Two Sigma InvestmentsNEW063,830$1.0M
2024-12-31 → 2025-03-31Millennium ManagementTRIMMED52,92948,503-$0.1M
2024-12-31 → 2025-03-31AQR Capital ManagementNEW016,464$0.3M
2024-12-31 → 2025-03-31Marshall WaceNEW053,257$0.9M
2024-12-31 → 2025-03-31Geode Capital ManagementTRIMMED514,427488,370-$0.2M
2024-12-31 → 2025-03-31Charles Schwab Investment ManagementADDED53,34855,314$0.1M
2024-12-31 → 2025-03-31Schonfeld Strategic AdvisorsCLOSED13,1000-$0.2M
2024-12-31 → 2025-03-31Man GroupNEW027,244$0.4M
2024-09-30 → 2024-12-31Renaissance TechnologiesTRIMMED999,722975,650$0.6M
2024-09-30 → 2024-12-31Citadel AdvisorsTRIMMED100,25750,712-$0.7M
2024-09-30 → 2024-12-31Two Sigma InvestmentsCLOSED22,1150-$0.3M
2024-09-30 → 2024-12-31Millennium ManagementADDED38,37752,929$0.3M
2024-09-30 → 2024-12-31Geode Capital ManagementADDED507,836514,427$0.6M
2024-09-30 → 2024-12-31Charles Schwab Investment ManagementADDED52,95553,348$0.1M
2024-09-30 → 2024-12-31Schonfeld Strategic AdvisorsNEW013,100$0.2M
2024-09-30 → 2024-12-31Qube Research & TechnologiesADDED24,59671,880$0.8M
2024-06-30 → 2024-09-30Renaissance TechnologiesTRIMMED1,014,722999,722$0.0M
2024-06-30 → 2024-09-30Citadel AdvisorsADDED11,800100,257$1.3M
2024-06-30 → 2024-09-30Two Sigma InvestmentsADDED10,36322,115$0.2M
2024-06-30 → 2024-09-30Millennium ManagementADDED13,19838,377$0.4M
2024-06-30 → 2024-09-30Geode Capital ManagementADDED484,469507,836$0.5M
2024-06-30 → 2024-09-30Qube Research & TechnologiesTRIMMED46,36024,596-$0.3M
2024-03-31 → 2024-06-30Renaissance TechnologiesADDED993,2221,014,722$15.0M
2024-03-31 → 2024-06-30Citadel AdvisorsTRIMMED109,07511,800-$1.6M
2024-03-31 → 2024-06-30Two Sigma InvestmentsTRIMMED18,28710,363-$0.1M
2024-03-31 → 2024-06-30Millennium ManagementNEW013,198$0.2M
2024-03-31 → 2024-06-30Geode Capital ManagementADDED451,162484,469-$0.0M
2024-03-31 → 2024-06-30Charles Schwab Investment ManagementADDED49,15652,955$0.0M
2024-03-31 → 2024-06-30Qube Research & TechnologiesADDED25,13546,360$0.3M
2023-12-31 → 2024-03-31Renaissance TechnologiesADDED974,222993,222$0.0M
2023-12-31 → 2024-03-31Citadel AdvisorsADDED69,713109,075$0.7M
2023-12-31 → 2024-03-31Two Sigma InvestmentsTRIMMED143,12818,287-$1.9M
2023-12-31 → 2024-03-31Geode Capital ManagementADDED440,671451,162$0.4M
2023-12-31 → 2024-03-31Charles Schwab Investment ManagementTRIMMED50,86449,156-$0.0M
2023-12-31 → 2024-03-31Qube Research & TechnologiesADDED12,00725,135$0.2M
2023-12-31 → 2024-03-31Man GroupCLOSED17,1000-$0.3M
2023-09-30 → 2023-12-31Renaissance TechnologiesTRIMMED1,090,222974,222-$0.0M
2023-09-30 → 2023-12-31Citadel AdvisorsADDED35,51169,713$0.6M
2023-09-30 → 2023-12-31Two Sigma InvestmentsTRIMMED247,996143,128-$1.3M
2023-09-30 → 2023-12-31Arrowstreet CapitalCLOSED110,4140-$0.0M
2023-09-30 → 2023-12-31Geode Capital ManagementADDED417,225440,671$0.9M
2023-09-30 → 2023-12-31Charles Schwab Investment ManagementTRIMMED52,32850,864$0.0M
2023-09-30 → 2023-12-31Qube Research & TechnologiesADDED2,51012,007$0.2M
2023-09-30 → 2023-12-31Man GroupADDED15,59117,100$0.0M