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Hedge Funds Tracker

CTKB

Cytek Biosciences, Inc.
Funds Buying11
Funds Selling10
# Funds Holding21
Total Value Held$92.3M

Current Holders

FundSharesValue% of PortfolioAs OfLatest MoveLatest Share Change
Millennium Management9,338,010$41.4M0%2026-06-30ADDED+3,046,212
Geode Capital Management3,059,573$13.6M0%2026-06-30ADDED+225,618
Brown Capital Management1,480,506$6.5M1%2026-03-31CLOSED-1,480,506
Charles Schwab Investment Management1,073,253$4.8M0%2026-06-30TRIMMED-31,348
Arrowstreet Capital973,833$4.3M0%2026-06-30ADDED+653,924
AQR Capital Management813,971$3.6M0%2026-06-30TRIMMED-98,371
Citadel Advisors721,470$3.2M0%2026-06-30ADDED+238,578
Qube Research & Technologies689,821$3.1M0%2026-06-30NEW+689,821
D. E. Shaw & Co.669,182$3.0M0%2026-06-30ADDED+409,057
Renaissance Technologies661,300$2.9M0%2026-06-30TRIMMED-15,400
Marshall Wace441,704$2.0M0%2026-06-30NEW+441,704
Point72 Asset Management422,361$1.9M0%2026-06-30NEW+422,361
Two Sigma Investments168,218$0.7M0%2026-06-30ADDED+142,618
Man Group79,546$0.4M0%2023-09-30CLOSED-79,546
Squarepoint Ops82,776$0.4M0%2026-06-30ADDED+57,480
Graham Capital Management82,286$0.3M0%2025-03-31CLOSED-82,286
Verition Fund Management33,452$0.1M0%2025-03-31CLOSED-33,452
Walleye Capital15,474$0.1M0%2023-09-30CLOSED-15,474
Victory Capital Management13,655$0.1M0%2026-06-30TRIMMED-3,966
Caxton Associates11,931$0.1M0%2026-06-30NEW+11,931
Neuberger Berman11,229$0.0M0%2026-03-31CLOSED-11,229

Move History

QuarterFundActionPrev SharesNew SharesValue Change
2026-03-31 → 2026-06-30Renaissance TechnologiesTRIMMED676,700661,300-$0.0M
2026-03-31 → 2026-06-30Citadel AdvisorsADDED482,892721,470$1.1M
2026-03-31 → 2026-06-30Point72 Asset ManagementNEW0422,361$1.9M
2026-03-31 → 2026-06-30D. E. Shaw & Co.ADDED260,125669,182$1.8M
2026-03-31 → 2026-06-30Two Sigma InvestmentsADDED25,600168,218$0.6M
2026-03-31 → 2026-06-30Millennium ManagementADDED6,291,7989,338,010$13.9M
2026-03-31 → 2026-06-30AQR Capital ManagementTRIMMED912,342813,971-$0.4M
2026-03-31 → 2026-06-30Marshall WaceNEW0441,704$2.0M
2026-03-31 → 2026-06-30Neuberger BermanCLOSED11,2290-$0.0M
2026-03-31 → 2026-06-30Arrowstreet CapitalADDED319,909973,833$2.9M
2026-03-31 → 2026-06-30Brown Capital ManagementCLOSED1,480,5060-$6.5M
2026-03-31 → 2026-06-30Geode Capital ManagementADDED2,833,9553,059,573$1.2M
2026-03-31 → 2026-06-30Charles Schwab Investment ManagementTRIMMED1,104,6011,073,253-$0.1M
2026-03-31 → 2026-06-30Victory Capital ManagementTRIMMED17,62113,655-$0.0M
2026-03-31 → 2026-06-30Caxton AssociatesNEW011,931$0.1M
2026-03-31 → 2026-06-30Squarepoint OpsADDED25,29682,776$0.3M
2026-03-31 → 2026-06-30Qube Research & TechnologiesNEW0689,821$3.1M
2025-12-31 → 2026-03-31Renaissance TechnologiesADDED675,000676,700-$0.5M
2025-12-31 → 2026-03-31Citadel AdvisorsADDED166,754482,892$1.3M
2025-12-31 → 2026-03-31Point72 Asset ManagementCLOSED114,2560-$0.6M
2025-12-31 → 2026-03-31D. E. Shaw & Co.TRIMMED263,126260,125-$0.2M
2025-12-31 → 2026-03-31Two Sigma InvestmentsTRIMMED30,03225,600-$0.0M
2025-12-31 → 2026-03-31Millennium ManagementADDED4,752,4476,291,798$3.5M
2025-12-31 → 2026-03-31AQR Capital ManagementADDED743,455912,342$0.2M
2025-12-31 → 2026-03-31Neuberger BermanTRIMMED12,40411,229-$0.0M
2025-12-31 → 2026-03-31Arrowstreet CapitalTRIMMED361,677319,909-$0.4M
2025-12-31 → 2026-03-31Brown Capital ManagementTRIMMED2,072,9151,480,506-$4.0M
2025-12-31 → 2026-03-31Geode Capital ManagementADDED2,790,5742,833,955-$1.7M
2025-12-31 → 2026-03-31Charles Schwab Investment ManagementADDED1,094,5391,104,601-$0.7M
2025-12-31 → 2026-03-31Victory Capital ManagementTRIMMED17,62817,621-$0.0M
2025-12-31 → 2026-03-31Caxton AssociatesCLOSED45,3760-$0.2M
2025-12-31 → 2026-03-31Squarepoint OpsNEW025,296$0.1M
2025-09-30 → 2025-12-31Renaissance TechnologiesTRIMMED795,544675,000$0.6M
2025-09-30 → 2025-12-31Citadel AdvisorsADDED82,304166,754$0.6M
2025-09-30 → 2025-12-31Point72 Asset ManagementTRIMMED187,618114,256-$0.1M
2025-09-30 → 2025-12-31D. E. Shaw & Co.ADDED121,022263,126$0.9M
2025-09-30 → 2025-12-31Two Sigma InvestmentsTRIMMED175,75930,032-$0.5M
2025-09-30 → 2025-12-31Millennium ManagementADDED3,418,3824,752,447$12.1M
2025-09-30 → 2025-12-31AQR Capital ManagementTRIMMED1,019,890743,455$0.2M
2025-09-30 → 2025-12-31Marshall WaceCLOSED134,2860-$0.5M
2025-09-30 → 2025-12-31Neuberger BermanNEW012,404$0.1M
2025-09-30 → 2025-12-31Arrowstreet CapitalADDED361,290361,677$0.6M
2025-09-30 → 2025-12-31Brown Capital ManagementTRIMMED4,958,0162,072,915-$6.7M
2025-09-30 → 2025-12-31Geode Capital ManagementADDED2,783,4492,790,574$4.4M
2025-09-30 → 2025-12-31Charles Schwab Investment ManagementTRIMMED1,105,0211,094,539$1.7M
2025-09-30 → 2025-12-31Victory Capital ManagementTRIMMED20,43317,628$0.0M
2025-09-30 → 2025-12-31Caxton AssociatesTRIMMED93,40845,376-$0.1M
2025-09-30 → 2025-12-31Squarepoint OpsCLOSED158,6410-$0.6M
2025-06-30 → 2025-09-30Renaissance TechnologiesTRIMMED1,063,139795,544-$0.9M
2025-06-30 → 2025-09-30Citadel AdvisorsTRIMMED617,08582,304-$1.8M
2025-06-30 → 2025-09-30Point72 Asset ManagementNEW0187,618$0.7M
2025-06-30 → 2025-09-30D. E. Shaw & Co.NEW0121,022$0.4M
2025-06-30 → 2025-09-30Two Sigma InvestmentsNEW0175,759$0.6M
2025-06-30 → 2025-09-30Millennium ManagementADDED924,7723,418,382$8.7M
2025-06-30 → 2025-09-30AQR Capital ManagementTRIMMED1,238,3931,019,890-$0.7M
2025-06-30 → 2025-09-30Marshall WaceTRIMMED261,352134,286-$0.4M
2025-06-30 → 2025-09-30Arrowstreet CapitalADDED144,252361,290$0.8M
2025-06-30 → 2025-09-30Brown Capital ManagementTRIMMED7,109,9954,958,016-$7.0M
2025-06-30 → 2025-09-30Geode Capital ManagementADDED2,729,5932,783,449$0.4M
2025-06-30 → 2025-09-30Charles Schwab Investment ManagementADDED909,5901,105,021$0.7M
2025-06-30 → 2025-09-30Victory Capital ManagementTRIMMED21,28520,433-$0.0M
2025-06-30 → 2025-09-30Caxton AssociatesTRIMMED103,46593,408-$0.0M
2025-06-30 → 2025-09-30Squarepoint OpsADDED145,051158,641$0.1M
2025-03-31 → 2025-06-30Renaissance TechnologiesADDED687,6001,063,139$0.9M
2025-03-31 → 2025-06-30Citadel AdvisorsADDED608,017617,085-$0.3M
2025-03-31 → 2025-06-30Point72 Asset ManagementCLOSED17,4960-$0.1M
2025-03-31 → 2025-06-30Millennium ManagementADDED495,437924,772$1.2M
2025-03-31 → 2025-06-30AQR Capital ManagementADDED653,2771,238,393$1.6M
2025-03-31 → 2025-06-30Marshall WaceNEW0261,352$0.9M
2025-03-31 → 2025-06-30Neuberger BermanCLOSED13,9720-$0.1M
2025-03-31 → 2025-06-30Arrowstreet CapitalADDED48,154144,252$0.3M
2025-03-31 → 2025-06-30Brown Capital ManagementTRIMMED7,463,9677,109,995-$5.8M
2025-03-31 → 2025-06-30Geode Capital ManagementADDED2,686,6772,729,593-$1.5M
2025-03-31 → 2025-06-30Charles Schwab Investment ManagementTRIMMED1,104,889909,590-$1.3M
2025-03-31 → 2025-06-30Victory Capital ManagementTRIMMED21,61421,285-$0.0M
2025-03-31 → 2025-06-30Caxton AssociatesADDED101,894103,465-$0.1M
2025-03-31 → 2025-06-30Verition Fund ManagementCLOSED33,4520-$0.1M
2025-03-31 → 2025-06-30Squarepoint OpsADDED43,004145,051$0.3M
2025-03-31 → 2025-06-30Graham Capital ManagementCLOSED82,2860-$0.3M
2024-12-31 → 2025-03-31Renaissance TechnologiesADDED462,600687,600-$0.2M
2024-12-31 → 2025-03-31Citadel AdvisorsADDED202,140608,017$1.1M
2024-12-31 → 2025-03-31Point72 Asset ManagementTRIMMED389,35917,496-$2.5M
2024-12-31 → 2025-03-31Millennium ManagementTRIMMED803,923495,437-$3.2M
2024-12-31 → 2025-03-31AQR Capital ManagementADDED132,142653,277$1.8M
2024-12-31 → 2025-03-31Neuberger BermanNEW013,972$0.1M
2024-12-31 → 2025-03-31Arrowstreet CapitalNEW048,154$0.2M
2024-12-31 → 2025-03-31Brown Capital ManagementTRIMMED8,246,6107,463,967-$23.6M
2024-12-31 → 2025-03-31Geode Capital ManagementADDED2,639,0832,686,677-$6.4M
2024-12-31 → 2025-03-31Charles Schwab Investment ManagementADDED1,062,9901,104,889-$2.5M
2024-12-31 → 2025-03-31Victory Capital ManagementTRIMMED22,05321,614-$0.1M
2024-12-31 → 2025-03-31Verition Fund ManagementADDED13,64233,452$0.0M
2024-12-31 → 2025-03-31Squarepoint OpsTRIMMED67,91543,004-$0.3M
2024-12-31 → 2025-03-31Graham Capital ManagementADDED27,41882,286$0.2M
2024-09-30 → 2024-12-31Renaissance TechnologiesADDED211,600462,600$1.8M
2024-09-30 → 2024-12-31Citadel AdvisorsTRIMMED270,972202,140-$0.2M
2024-09-30 → 2024-12-31Point72 Asset ManagementNEW0389,359$2.5M
2024-09-30 → 2024-12-31Millennium ManagementADDED190,609803,923$4.2M
2024-09-30 → 2024-12-31AQR Capital ManagementADDED79,906132,142$0.4M
2024-09-30 → 2024-12-31Brown Capital ManagementTRIMMED9,493,4748,246,610$0.9M
2024-09-30 → 2024-12-31Geode Capital ManagementTRIMMED2,668,0042,639,083$2.3M
2024-09-30 → 2024-12-31Charles Schwab Investment ManagementADDED1,030,9621,062,990$1.2M
2024-09-30 → 2024-12-31Victory Capital ManagementTRIMMED22,74522,053$0.0M
2024-09-30 → 2024-12-31Verition Fund ManagementTRIMMED37,94213,642-$0.1M
2024-09-30 → 2024-12-31Squarepoint OpsTRIMMED110,58167,915-$0.2M
2024-09-30 → 2024-12-31Graham Capital ManagementADDED10,22027,418$0.1M
2024-06-30 → 2024-09-30Renaissance TechnologiesTRIMMED233,900211,600-$0.1M
2024-06-30 → 2024-09-30Citadel AdvisorsADDED57,428270,972$1.2M
2024-06-30 → 2024-09-30Millennium ManagementTRIMMED946,490190,609-$4.2M
2024-06-30 → 2024-09-30AQR Capital ManagementADDED60,14779,906$0.1M
2024-06-30 → 2024-09-30Brown Capital ManagementTRIMMED11,387,3849,493,474-$10.9M
2024-06-30 → 2024-09-30Geode Capital ManagementADDED2,578,7942,668,004$0.4M
2024-06-30 → 2024-09-30Charles Schwab Investment ManagementADDED917,8351,030,962$0.6M
2024-06-30 → 2024-09-30Victory Capital ManagementTRIMMED23,00022,745-$0.0M
2024-06-30 → 2024-09-30Verition Fund ManagementADDED13,75737,942$0.1M
2024-06-30 → 2024-09-30Squarepoint OpsTRIMMED187,361110,581-$0.4M
2024-06-30 → 2024-09-30Graham Capital ManagementNEW010,220$0.1M
2024-03-31 → 2024-06-30Renaissance TechnologiesNEW0233,900$1.3M
2024-03-31 → 2024-06-30Citadel AdvisorsNEW057,428$0.3M
2024-03-31 → 2024-06-30Two Sigma InvestmentsCLOSED13,2110-$0.1M
2024-03-31 → 2024-06-30Millennium ManagementADDED26,645946,490$5.1M
2024-03-31 → 2024-06-30AQR Capital ManagementADDED19,90760,147$0.2M
2024-03-31 → 2024-06-30Marshall WaceCLOSED68,5910-$0.5M
2024-03-31 → 2024-06-30Brown Capital ManagementTRIMMED12,022,01411,387,384-$17.1M
2024-03-31 → 2024-06-30Geode Capital ManagementADDED2,508,0162,578,794-$2.4M
2024-03-31 → 2024-06-30Charles Schwab Investment ManagementADDED900,993917,835-$0.9M
2024-03-31 → 2024-06-30Victory Capital ManagementADDED22,16523,000-$0.0M
2024-03-31 → 2024-06-30Verition Fund ManagementNEW013,757$0.1M
2024-03-31 → 2024-06-30Squarepoint OpsADDED16,822187,361$0.9M
2024-03-31 → 2024-06-30Graham Capital ManagementCLOSED15,3790-$0.1M
2023-12-31 → 2024-03-31Two Sigma InvestmentsNEW013,211$0.1M
2023-12-31 → 2024-03-31Millennium ManagementNEW026,645$0.2M
2023-12-31 → 2024-03-31AQR Capital ManagementTRIMMED56,20619,907-$0.4M
2023-12-31 → 2024-03-31Marshall WaceNEW068,591$0.5M
2023-12-31 → 2024-03-31Brown Capital ManagementADDED12,016,32512,022,014-$28.9M
2023-12-31 → 2024-03-31Geode Capital ManagementADDED2,456,5352,508,016-$5.6M
2023-12-31 → 2024-03-31Charles Schwab Investment ManagementADDED880,038900,993-$2.0M
2023-12-31 → 2024-03-31Victory Capital ManagementADDED21,55822,165-$0.0M
2023-12-31 → 2024-03-31Squarepoint OpsNEW016,822$0.1M
2023-12-31 → 2024-03-31Graham Capital ManagementNEW015,379$0.1M
2023-09-30 → 2023-12-31Renaissance TechnologiesCLOSED296,9000-$0.0M
2023-09-30 → 2023-12-31Citadel AdvisorsCLOSED15,8040-$0.1M
2023-09-30 → 2023-12-31Millennium ManagementCLOSED427,9540-$2.4M
2023-09-30 → 2023-12-31AQR Capital ManagementADDED39,03956,206$0.3M
2023-09-30 → 2023-12-31Brown Capital ManagementTRIMMED13,560,48012,016,325$34.7M
2023-09-30 → 2023-12-31Geode Capital ManagementADDED2,354,4522,456,535$9.4M
2023-09-30 → 2023-12-31Charles Schwab Investment ManagementADDED835,693880,038$3.4M
2023-09-30 → 2023-12-31Victory Capital ManagementTRIMMED29,37821,558$0.0M
2023-09-30 → 2023-12-31Verition Fund ManagementCLOSED30,4510-$0.2M
2023-09-30 → 2023-12-31Walleye CapitalCLOSED15,4740-$0.1M
2023-09-30 → 2023-12-31Man GroupCLOSED79,5460-$0.4M