CompositeGovernment TrackerInsider TradingHedge FundsRed FlagsFinancials

Hedge Funds Tracker

ASPN

ASPEN AEROGELS INC
Funds Buying7
Funds Selling16
# Funds Holding23
Total Value Held$60.2M

Current Holders

FundSharesValue% of PortfolioAs OfLatest MoveLatest Share Change
Geode Capital Management1,770,425$11.2M0%2026-06-30ADDED+229,654
AQR Capital Management1,276,346$8.1M0%2026-06-30ADDED+750,227
Millennium Management1,190,616$7.5M0%2026-06-30TRIMMED-214,059
Marshall Wace1,146,707$7.3M0%2026-06-30TRIMMED-116,395
D. E. Shaw & Co.1,066,501$6.8M0%2026-06-30ADDED+232,929
Two Sigma Investments779,468$4.9M0%2026-06-30ADDED+338,032
Charles Schwab Investment Management570,712$3.6M0%2026-06-30ADDED+13,987
Citadel Advisors481,731$3.1M0%2026-06-30TRIMMED-328,456
First Eagle Investment Management622,487$1.8M0%2025-12-31CLOSED-622,487
Renaissance Technologies274,392$1.7M0%2026-06-30NEW+274,392
Arrowstreet Capital171,150$1.1M0%2026-06-30NEW+171,150
Qube Research & Technologies126,275$0.9M0%2025-09-30CLOSED-126,275
Man Group90,259$0.6M0%2026-06-30TRIMMED-53,063
Walleye Capital97,200$0.3M0%2026-03-31CLOSED-97,200
Graham Capital Management46,267$0.3M0%2026-06-30TRIMMED-6,160
Verition Fund Management96,973$0.3M0%2025-12-31CLOSED-96,973
Victory Capital Management9,604$0.3M0%2024-09-30CLOSED-9,604
Squarepoint Ops16,460$0.1M0%2026-06-30TRIMMED-43,292
Point72 Asset Management15,206$0.1M0%2026-06-30TRIMMED-241,408
Caxton Associates13,654$0.1M0%2025-09-30CLOSED-13,654
Schonfeld Strategic Advisors20,350$0.1M0%2025-12-31CLOSED-20,350
Voleon Capital Management19,675$0.1M0%2025-12-31CLOSED-19,675
Loomis Sayles1,619,320$0.0M0%2024-09-30CLOSED-1,619,320

Move History

QuarterFundActionPrev SharesNew SharesValue Change
2026-03-31 → 2026-06-30Renaissance TechnologiesNEW0274,392$1.7M
2026-03-31 → 2026-06-30Citadel AdvisorsTRIMMED810,187481,731$0.3M
2026-03-31 → 2026-06-30Point72 Asset ManagementTRIMMED256,61415,206-$0.8M
2026-03-31 → 2026-06-30D. E. Shaw & Co.ADDED833,5721,066,501$3.9M
2026-03-31 → 2026-06-30Two Sigma InvestmentsADDED441,436779,468$3.4M
2026-03-31 → 2026-06-30Millennium ManagementTRIMMED1,404,6751,190,616$2.7M
2026-03-31 → 2026-06-30AQR Capital ManagementADDED526,1191,276,346$6.3M
2026-03-31 → 2026-06-30Marshall WaceTRIMMED1,263,1021,146,707$3.0M
2026-03-31 → 2026-06-30Arrowstreet CapitalNEW0171,150$1.1M
2026-03-31 → 2026-06-30Geode Capital ManagementADDED1,540,7711,770,425$6.0M
2026-03-31 → 2026-06-30Charles Schwab Investment ManagementADDED556,725570,712$1.7M
2026-03-31 → 2026-06-30Walleye CapitalCLOSED97,2000-$0.3M
2026-03-31 → 2026-06-30Squarepoint OpsTRIMMED59,75216,460-$0.1M
2026-03-31 → 2026-06-30Graham Capital ManagementTRIMMED52,42746,267$0.1M
2026-03-31 → 2026-06-30Man GroupTRIMMED143,32290,259$0.1M
2025-12-31 → 2026-03-31Citadel AdvisorsTRIMMED1,285,618810,187-$0.9M
2025-12-31 → 2026-03-31Point72 Asset ManagementNEW0256,614$0.9M
2025-12-31 → 2026-03-31D. E. Shaw & Co.ADDED23,217833,572$2.8M
2025-12-31 → 2026-03-31Two Sigma InvestmentsTRIMMED757,419441,436-$0.6M
2025-12-31 → 2026-03-31Millennium ManagementADDED870,9511,404,675$2.3M
2025-12-31 → 2026-03-31AQR Capital ManagementADDED369,949526,119$0.8M
2025-12-31 → 2026-03-31Marshall WaceADDED554,1801,263,102$2.8M
2025-12-31 → 2026-03-31First Eagle Investment ManagementCLOSED622,4870-$1.8M
2025-12-31 → 2026-03-31Geode Capital ManagementTRIMMED1,602,0491,540,771$0.7M
2025-12-31 → 2026-03-31Charles Schwab Investment ManagementADDED540,323556,725$0.4M
2025-12-31 → 2026-03-31Verition Fund ManagementCLOSED96,9730-$0.3M
2025-12-31 → 2026-03-31Walleye CapitalTRIMMED169,63497,200-$0.1M
2025-12-31 → 2026-03-31Squarepoint OpsNEW059,752$0.2M
2025-12-31 → 2026-03-31Schonfeld Strategic AdvisorsCLOSED20,3500-$0.1M
2025-12-31 → 2026-03-31Voleon Capital ManagementCLOSED19,6750-$0.1M
2025-12-31 → 2026-03-31Graham Capital ManagementTRIMMED158,83952,427-$0.3M
2025-12-31 → 2026-03-31Man GroupNEW0143,322$0.5M
2025-09-30 → 2025-12-31Renaissance TechnologiesCLOSED246,9000-$1.7M
2025-09-30 → 2025-12-31Citadel AdvisorsTRIMMED1,446,8901,285,618-$6.4M
2025-09-30 → 2025-12-31Point72 Asset ManagementCLOSED184,3000-$1.3M
2025-09-30 → 2025-12-31D. E. Shaw & Co.ADDED13,22223,217-$0.0M
2025-09-30 → 2025-12-31Two Sigma InvestmentsTRIMMED811,528757,419-$3.5M
2025-09-30 → 2025-12-31Millennium ManagementTRIMMED1,447,517870,951-$7.6M
2025-09-30 → 2025-12-31AQR Capital ManagementADDED177,805369,949-$0.2M
2025-09-30 → 2025-12-31Marshall WaceADDED312,190554,180-$0.6M
2025-09-30 → 2025-12-31First Eagle Investment ManagementADDED517,323622,487-$1.8M
2025-09-30 → 2025-12-31Geode Capital ManagementADDED1,584,8711,602,049-$6.5M
2025-09-30 → 2025-12-31Charles Schwab Investment ManagementTRIMMED572,588540,323-$2.5M
2025-09-30 → 2025-12-31Caxton AssociatesCLOSED13,6540-$0.1M
2025-09-30 → 2025-12-31Verition Fund ManagementADDED65,96296,973-$0.2M
2025-09-30 → 2025-12-31Walleye CapitalNEW0169,634$0.5M
2025-09-30 → 2025-12-31Squarepoint OpsCLOSED90,8500-$0.6M
2025-09-30 → 2025-12-31Schonfeld Strategic AdvisorsNEW020,350$0.1M
2025-09-30 → 2025-12-31Voleon Capital ManagementTRIMMED138,53819,675-$0.9M
2025-09-30 → 2025-12-31Qube Research & TechnologiesCLOSED126,2750-$0.9M
2025-09-30 → 2025-12-31Graham Capital ManagementADDED105,880158,839-$0.3M
2025-09-30 → 2025-12-31Man GroupCLOSED80,1970-$0.6M
2025-06-30 → 2025-09-30Renaissance TechnologiesTRIMMED679,200246,900-$2.3M
2025-06-30 → 2025-09-30Citadel AdvisorsADDED408,5321,446,890$7.7M
2025-06-30 → 2025-09-30Point72 Asset ManagementNEW0184,300$1.3M
2025-06-30 → 2025-09-30D. E. Shaw & Co.TRIMMED20,72213,222-$0.0M
2025-06-30 → 2025-09-30Two Sigma InvestmentsADDED771,307811,528$1.1M
2025-06-30 → 2025-09-30Millennium ManagementADDED906,7451,447,517$4.7M
2025-06-30 → 2025-09-30AQR Capital ManagementTRIMMED189,831177,805$0.1M
2025-06-30 → 2025-09-30Marshall WaceTRIMMED404,006312,190-$0.2M
2025-06-30 → 2025-09-30First Eagle Investment ManagementNEW0517,323$3.6M
2025-06-30 → 2025-09-30Geode Capital ManagementADDED1,582,7421,584,871$1.7M
2025-06-30 → 2025-09-30Charles Schwab Investment ManagementADDED545,843572,588$0.8M
2025-06-30 → 2025-09-30Caxton AssociatesTRIMMED103,17213,654-$0.5M
2025-06-30 → 2025-09-30Verition Fund ManagementTRIMMED95,13165,962-$0.1M
2025-06-30 → 2025-09-30Walleye CapitalCLOSED54,0000-$0.3M
2025-06-30 → 2025-09-30Squarepoint OpsADDED68,16790,850$0.2M
2025-06-30 → 2025-09-30Voleon Capital ManagementTRIMMED248,839138,538-$0.5M
2025-06-30 → 2025-09-30Qube Research & TechnologiesTRIMMED255,594126,275-$0.6M
2025-06-30 → 2025-09-30Graham Capital ManagementADDED12,623105,880$0.7M
2025-06-30 → 2025-09-30Man GroupNEW080,197$0.6M
2025-03-31 → 2025-06-30Renaissance TechnologiesTRIMMED764,100679,200-$0.9M
2025-03-31 → 2025-06-30Citadel AdvisorsTRIMMED1,359,160408,532-$6.3M
2025-03-31 → 2025-06-30D. E. Shaw & Co.TRIMMED24,78920,722-$0.0M
2025-03-31 → 2025-06-30Two Sigma InvestmentsTRIMMED901,484771,307-$1.2M
2025-03-31 → 2025-06-30Millennium ManagementTRIMMED1,599,392906,745-$4.9M
2025-03-31 → 2025-06-30AQR Capital ManagementADDED150,186189,831$0.2M
2025-03-31 → 2025-06-30Marshall WaceADDED305,835404,006$0.4M
2025-03-31 → 2025-06-30Geode Capital ManagementADDED1,515,7751,582,742-$0.3M
2025-03-31 → 2025-06-30Charles Schwab Investment ManagementADDED487,731545,843$0.1M
2025-03-31 → 2025-06-30Caxton AssociatesADDED48,005103,172$0.3M
2025-03-31 → 2025-06-30Verition Fund ManagementADDED25,70495,131$0.4M
2025-03-31 → 2025-06-30Walleye CapitalTRIMMED103,60054,000-$0.3M
2025-03-31 → 2025-06-30Squarepoint OpsTRIMMED642,80368,167-$3.7M
2025-03-31 → 2025-06-30Schonfeld Strategic AdvisorsCLOSED67,8270-$0.4M
2025-03-31 → 2025-06-30Voleon Capital ManagementADDED44,060248,839$1.2M
2024-12-31 → 2025-06-30Qube Research & TechnologiesTRIMMED783,235255,594-$7.8M
2025-03-31 → 2025-06-30Graham Capital ManagementTRIMMED166,95912,623-$1.0M
2025-03-31 → 2025-06-30Man GroupCLOSED18,7060-$0.1M
2024-12-31 → 2025-03-31Renaissance TechnologiesTRIMMED766,400764,100-$4.2M
2024-12-31 → 2025-03-31Citadel AdvisorsTRIMMED1,484,3301,359,160-$8.9M
2024-12-31 → 2025-03-31Point72 Asset ManagementCLOSED1,104,5490-$13.1M
2024-12-31 → 2025-03-31D. E. Shaw & Co.NEW024,789$0.2M
2024-12-31 → 2025-03-31Two Sigma InvestmentsADDED592,765901,484-$1.3M
2024-12-31 → 2025-03-31Millennium ManagementTRIMMED1,622,0221,599,392-$9.0M
2024-12-31 → 2025-03-31AQR Capital ManagementNEW0150,186$1.0M
2024-12-31 → 2025-03-31Marshall WaceADDED24,530305,835$1.7M
2024-12-31 → 2025-03-31Geode Capital ManagementADDED1,464,1631,515,775-$7.7M
2024-12-31 → 2025-03-31Charles Schwab Investment ManagementTRIMMED549,709487,731-$3.4M
2024-12-31 → 2025-03-31Verition Fund ManagementTRIMMED47,33025,704-$0.4M
2024-12-31 → 2025-03-31Walleye CapitalTRIMMED137,905103,600-$1.0M
2024-12-31 → 2025-03-31Squarepoint OpsADDED402,446642,803-$0.7M
2024-12-31 → 2025-03-31Schonfeld Strategic AdvisorsTRIMMED138,70067,827-$1.2M
2024-12-31 → 2025-03-31Voleon Capital ManagementNEW044,060$0.3M
2024-12-31 → 2025-03-31Graham Capital ManagementADDED131,475166,959-$0.5M
2024-12-31 → 2025-03-31Man GroupNEW018,706$0.1M
2024-09-30 → 2024-12-31Renaissance TechnologiesADDED133,900766,400$5.4M
2024-09-30 → 2024-12-31Citadel AdvisorsADDED763,5851,484,330-$3.5M
2024-09-30 → 2024-12-31Point72 Asset ManagementNEW01,104,549$13.1M
2024-09-30 → 2024-12-31D. E. Shaw & Co.CLOSED22,4650-$0.6M
2024-09-30 → 2024-12-31Two Sigma InvestmentsADDED80,326592,765$4.8M
2024-09-30 → 2024-12-31Millennium ManagementADDED33,3901,622,022$18.3M
2024-09-30 → 2024-12-31AQR Capital ManagementCLOSED14,6590-$0.4M
2024-09-30 → 2024-12-31Marshall WaceTRIMMED31,10024,530-$0.6M
2024-09-30 → 2024-12-31Geode Capital ManagementADDED1,385,9681,464,163-$21.0M
2024-09-30 → 2024-12-31Loomis SaylesCLOSED1,619,3200-$0.0M
2024-09-30 → 2024-12-31Charles Schwab Investment ManagementADDED509,430549,709-$7.6M
2024-09-30 → 2024-12-31Victory Capital ManagementCLOSED9,6040-$0.3M
2024-09-30 → 2024-12-31Verition Fund ManagementADDED25,95347,330-$0.2M
2024-09-30 → 2024-12-31Walleye CapitalADDED39,380137,905$0.5M
2024-09-30 → 2024-12-31Squarepoint OpsADDED284,238402,446-$3.1M
2024-09-30 → 2024-12-31Schonfeld Strategic AdvisorsNEW0138,700$1.6M
2024-09-30 → 2024-12-31Qube Research & TechnologiesADDED13,858783,235$8.9M
2024-09-30 → 2024-12-31Graham Capital ManagementADDED63,298131,475-$0.2M
2024-06-30 → 2024-09-30Renaissance TechnologiesTRIMMED349,700133,900-$4.6M
2024-06-30 → 2024-09-30Citadel AdvisorsTRIMMED1,122,456763,585-$5.6M
2024-06-30 → 2024-09-30D. E. Shaw & Co.TRIMMED541,50522,465-$12.3M
2024-06-30 → 2024-09-30Two Sigma InvestmentsTRIMMED405,74980,326-$7.5M
2024-06-30 → 2024-09-30Millennium ManagementTRIMMED391,56333,390-$8.4M
2024-06-30 → 2024-09-30AQR Capital ManagementTRIMMED78,71514,659-$1.5M
2024-06-30 → 2024-09-30Marshall WaceADDED25,90031,100$0.2M
2024-06-30 → 2024-09-30Geode Capital ManagementADDED1,310,9441,385,968$7.1M
2024-06-30 → 2024-09-30Loomis SaylesADDED1,319,2441,619,320$0.0M
2024-06-30 → 2024-09-30Charles Schwab Investment ManagementADDED167,177509,430$10.1M
2024-06-30 → 2024-09-30Victory Capital ManagementTRIMMED9,6439,604$0.0M
2024-06-30 → 2024-09-30Verition Fund ManagementADDED20,36725,953$0.2M
2024-06-30 → 2024-09-30Walleye CapitalTRIMMED96,13839,380-$1.2M
2024-06-30 → 2024-09-30Squarepoint OpsADDED160,665284,238$4.0M
2024-06-30 → 2024-09-30Qube Research & TechnologiesTRIMMED209,31713,858-$4.6M
2024-06-30 → 2024-09-30Graham Capital ManagementTRIMMED66,91763,298$0.2M
2024-03-31 → 2024-06-30Renaissance TechnologiesNEW0349,700$8.3M
2024-03-31 → 2024-06-30Citadel AdvisorsADDED376,1761,122,456$20.1M
2024-03-31 → 2024-06-30Point72 Asset ManagementCLOSED495,2110-$8.7M
2024-03-31 → 2024-06-30D. E. Shaw & Co.NEW0541,505$12.9M
2024-03-31 → 2024-06-30Two Sigma InvestmentsNEW0405,749$9.7M
2024-03-31 → 2024-06-30Millennium ManagementNEW0391,563$9.3M
2024-03-31 → 2024-06-30AQR Capital ManagementTRIMMED139,86478,715-$0.6M
2024-03-31 → 2024-06-30Marshall WaceNEW025,900$0.6M
2024-03-31 → 2024-06-30Geode Capital ManagementADDED1,182,0261,310,944$10.5M
2024-03-31 → 2024-06-30Loomis SaylesNEW01,319,244$0.0M
2024-03-31 → 2024-06-30Charles Schwab Investment ManagementADDED143,351167,177$1.5M
2024-03-31 → 2024-06-30Victory Capital ManagementNEW09,643$0.2M
2024-03-31 → 2024-06-30Verition Fund ManagementNEW020,367$0.5M
2024-03-31 → 2024-06-30Walleye CapitalNEW096,138$2.3M
2024-03-31 → 2024-06-30Squarepoint OpsTRIMMED167,703160,665$0.9M
2024-03-31 → 2024-06-30Qube Research & TechnologiesNEW0209,317$5.0M
2024-03-31 → 2024-06-30Graham Capital ManagementADDED44,09966,917$0.8M
2023-12-31 → 2024-03-31Citadel AdvisorsTRIMMED543,453376,176-$2.0M
2023-12-31 → 2024-03-31Point72 Asset ManagementADDED163,411495,211$6.1M
2023-12-31 → 2024-03-31AQR Capital ManagementNEW0139,864$2.5M
2023-12-31 → 2024-03-31Geode Capital ManagementADDED1,112,6571,182,026$3.2M
2023-12-31 → 2024-03-31Charles Schwab Investment ManagementTRIMMED146,742143,351$0.2M
2023-12-31 → 2024-03-31Walleye CapitalCLOSED35,9000-$0.6M
2023-12-31 → 2024-03-31Squarepoint OpsADDED14,073167,703$2.7M
2023-12-31 → 2024-03-31Qube Research & TechnologiesCLOSED13,0400-$0.2M
2023-12-31 → 2024-03-31Graham Capital ManagementNEW044,099$0.8M
2023-09-30 → 2023-12-31Citadel AdvisorsTRIMMED767,329543,453$2.0M
2023-09-30 → 2023-12-31Point72 Asset ManagementTRIMMED575,233163,411-$2.4M
2023-09-30 → 2023-12-31Millennium ManagementCLOSED19,1590-$0.2M
2023-09-30 → 2023-12-31Marshall WaceCLOSED193,0200-$1.7M
2023-09-30 → 2023-12-31Geode Capital ManagementADDED1,075,2761,112,657$8.3M
2023-09-30 → 2023-12-31Charles Schwab Investment ManagementTRIMMED149,158146,742$1.0M
2023-09-30 → 2023-12-31Walleye CapitalADDED17,90035,900$0.4M
2023-09-30 → 2023-12-31Squarepoint OpsTRIMMED62,38114,073-$0.3M
2023-09-30 → 2023-12-31Qube Research & TechnologiesNEW013,040$0.2M