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O'Connor Alternative Investments LLC

13F filer · CIK 0002081629
Reported Aug 14, 2026
13F portfolio value$1.37BU.S. long equity reported on 13F
Positions12743 new · Not reported closed
Net flow last quarterNot reportedBuys minus sells
Top 10 positions weight66.0%Concentration

Holdings

13F · last 4 quarters free
Scroll for earlier quarters
CompanyValue% of portfolio% of companyPOSITION CHANGE qoq %First reported
Q2 2026Reported Aug 14, 2026127 positions
GTLSChart Industries Inc$599M43.68%5.99%+42.0%Q1 2026
BLDTopBuild Corp$170M12.42%1.71%NewQ2 2026
GOOGAlphabet Inc.$28.3M2.06%Not reported+59.2%Q1 2026
SMCIPSuper Micro Computer, Inc.$28.2M2.06%Not reportedNewQ2 2026
KLARKlarna Group plc$22.8M1.66%0.30%Not reportedQ1 2026
GOOGNAlphabet Inc.$22.6M1.65%Not reportedNewQ2 2026
ZZillow Group, Inc.$10.4M0.76%Not reported+206.3%Q1 2026
NWSANews Corp$8.64M0.63%0.06%NewQ2 2026
JENAJENA ACQUISITION Corp II$7.25M0.53%Not reportedNot reportedQ1 2026
FOXFox Corp$7.07M0.52%Not reported+9.5%Q1 2026
HEI.AHeico Corp$6.09M0.44%Not reportedNewQ2 2026
EGHAEGH Acquisition Corp.$5.15M0.38%Not reportedNot reportedQ1 2026
IRENIREN Ltd$5.09M0.37%0.03%NewQ2 2026
GHXIUGores Holdings XI, Inc.$5.07M0.37%Not reportedNewQ2 2026
OIMOneIM Acquisition Corp.$5.04M0.37%Not reportedNot reportedQ1 2026
GTENGores Holdings X, Inc. / CI$4.95M0.36%Not reported0.0%Q1 2026
RIVNRivian Automotive, Inc. / DE$4.84M0.35%0.02%NewQ2 2026
CEPVCantor Equity Partners V, Inc.$4.64M0.34%Not reportedNot reportedQ1 2026
AEISAdvanced Energy Industries Inc$4.42M0.32%0.03%NewQ2 2026
LBTYKLiberty Global Ltd.$4.42M0.32%Not reported+115.8%Q1 2026
ANSCAgriculture & Natural Solutions Acquisition Corporation$4.39M0.32%Not reportedNot reportedQ1 2026
BLZRTrailblazer Acquisition Corp.$4.05M0.30%Not reportedNot reportedQ1 2026
RBRKRubrik, Inc.$3.5M0.26%Not reportedNewQ2 2026
NRGNRG Energy, Inc.$3.21M0.23%0.01%NewQ2 2026
OACCOaktree Acquisition Corp. III Life Sciences$3.21M0.23%Not reportedNot reportedQ1 2026
ACELAccel Entertainment, Inc.$3.11M0.23%0.30%Not reportedQ1 2026
NCLHNorwegian Cruise Line Holdings Ltd.$3.07M0.22%0.03%Not reportedQ1 2026
GCGRGeneral Catalyst Global Resilience Merger Corp.$3.03M0.22%Not reportedNewQ2 2026
UAAUnder Armour, Inc.$2.8M0.20%Not reported+9.6%Q1 2026
SVCCStellar V Capital Corp. (Cayman Islands)$2.63M0.19%Not reportedNot reportedQ1 2026
CCAQCollective Acquisition Corp.$2.61M0.19%Not reportedNot reportedQ1 2026
NPACNew Providence Acquisition Corp. III/Cayman$2.6M0.19%Not reportedNot reportedQ1 2026
TVAIThayer Ventures Acquisition Corp II$2.59M0.19%Not reportedNot reportedQ1 2026
BLUWBlue Water Acquisition Corp. III$2.58M0.19%Not reportedNot reportedQ1 2026
TLNCTalon Capital Corp.$2.58M0.19%Not reportedNot reportedQ1 2026
SOCASolarius Capital Acquisition Corp.$2.57M0.19%Not reportedNot reportedQ1 2026
OBAOxley Bridge Acquisition Ltd$2.56M0.19%Not reportedNot reportedQ1 2026
PACHPioneer Acquisition I Corp$2.55M0.19%Not reportedNot reportedQ1 2026
HVMCHighview Merger Corp.$2.54M0.19%Not reportedNot reportedQ1 2026
KOYNCSLM Digital Asset Acquisition Corp III, Ltd$2.54M0.18%Not reportedNot reportedQ1 2026
MBVIM3-Brigade Acquisition VI Corp.$2.53M0.18%Not reportedNot reportedQ1 2026
WLCOUWilco 63 Corp$2.49M0.18%Not reportedNewQ2 2026
QADRQDRO Acquisition Corp.$2.48M0.18%Not reportedNewQ2 2026
KEYYKeystone Acquisition Corp.$2.47M0.18%Not reportedNewQ2 2026
RNGTRange Capital Acquisition Corp II$2.27M0.17%Not reportedNot reportedQ1 2026
BEAGBold Eagle Acquisition Corp.$2.14M0.16%Not reported-8.8%Q1 2026
GSHRGesher Acquisition Corp. II$2.09M0.15%Not reportedNot reportedQ1 2026
CRAQCal Redwood Acquisition Corp.$2.06M0.15%Not reportedNot reportedQ1 2026
CCIICohen Circle Acquisition Corp. II$2.06M0.15%Not reportedNot reportedQ1 2026
LWACLightWave Acquisition Corp.$2.05M0.15%Not reportedNewQ2 2026
Q1 2026Reported Aug 14, 2026118 positions
GTLSChart Industries Inc$417M21.86%4.22%NewQ1 2026
HOLXHologic Inc$236M12.35%1.40%NewQ1 2026
ALSumisho Air Lease Corporation$186M9.73%2.55%NewQ1 2026
CWANClearwater Analytics Holdings, Inc.$152M7.94%Not reportedNewQ1 2026
FOLDAmicus Therapeutics, Inc.$122M6.40%2.69%NewQ1 2026
SEESealed Air Corp$93.1M4.88%1.50%NewQ1 2026
MASIMasimo Corp$73.4M3.85%0.79%NewQ1 2026
ACLXArcellx, Inc.$51.7M2.71%0.77%NewQ1 2026
DAWNDay One Biopharmaceuticals, Inc.$40M2.10%1.81%NewQ1 2026
CTRACentra Software Inc$35.2M1.85%Not reportedNewQ1 2026
CUKCarnival PLC$25.3M1.33%0.45%NewQ1 2026
KLARKlarna Group plc$14.8M0.77%0.30%NewQ1 2026
GOOGAlphabet Inc.$14.4M0.76%Not reportedNewQ1 2026
APLSApellis Pharmaceuticals, Inc.$12.1M0.63%0.23%NewQ1 2026
SMHMarket Vectors ETF Trust$10.5M0.55%Not reportedNewQ1 2026
RNAAtrium Therapeutics, Inc.$7.73M0.40%3.38%NewQ1 2026
FOXFox Corp$7.32M0.38%Not reportedNewQ1 2026
JENAJENA ACQUISITION Corp II$7.15M0.37%Not reportedNewQ1 2026
EGHAEGH Acquisition Corp.$5.11M0.27%Not reportedNewQ1 2026
OIMOneIM Acquisition Corp.$4.98M0.26%Not reportedNewQ1 2026
GTENGores Holdings X, Inc. / CI$4.85M0.25%Not reportedNewQ1 2026
CEPVCantor Equity Partners V, Inc.$4.55M0.24%Not reportedNewQ1 2026
ZZillow Group, Inc.$4.47M0.23%Not reportedNewQ1 2026
ANSCAgriculture & Natural Solutions Acquisition Corporation$4.33M0.23%Not reportedNewQ1 2026
BLZRTrailblazer Acquisition Corp.$4.02M0.21%Not reportedNewQ1 2026
TRGSUTRG Latin America Acquisitions Corp.$3.48M0.18%Not reportedNewQ1 2026
TMSTeamshares Inc$3.38M0.18%0.66%NewQ1 2026
NHICNewHold Investment Corp. III$3.37M0.18%Not reportedNewQ1 2026
WDCWestern Digital Corp$3.25M0.17%0.00%NewQ1 2026
OACCOaktree Acquisition Corp. III Life Sciences$3.17M0.17%Not reportedNewQ1 2026
XRPNUArmada Acquisition Corp. II$3M0.16%Not reportedNewQ1 2026
NCLHNorwegian Cruise Line Holdings Ltd.$2.72M0.14%0.03%NewQ1 2026
GPATGP-Act III Acquisition Corp.$2.71M0.14%Not reportedNewQ1 2026
ACELAccel Entertainment, Inc.$2.69M0.14%0.30%NewQ1 2026
SVCCStellar V Capital Corp. (Cayman Islands)$2.62M0.14%Not reportedNewQ1 2026
CCAQCollective Acquisition Corp.$2.58M0.14%Not reportedNewQ1 2026
BLUWBlue Water Acquisition Corp. III$2.57M0.13%Not reportedNewQ1 2026
NPACNew Providence Acquisition Corp. III/Cayman$2.57M0.13%Not reportedNewQ1 2026
FACFactorial Energy Inc.$2.56M0.13%4.93%NewQ1 2026
TVAIThayer Ventures Acquisition Corp II$2.56M0.13%Not reportedNewQ1 2026
TLNCTalon Capital Corp.$2.55M0.13%Not reportedNewQ1 2026
SOCASolarius Capital Acquisition Corp.$2.55M0.13%Not reportedNewQ1 2026
PACHPioneer Acquisition I Corp$2.54M0.13%Not reportedNewQ1 2026
OBAOxley Bridge Acquisition Ltd$2.53M0.13%Not reportedNewQ1 2026
MBVIM3-Brigade Acquisition VI Corp.$2.51M0.13%Not reportedNewQ1 2026
HVMCHighview Merger Corp.$2.51M0.13%Not reportedNewQ1 2026
KOYNCSLM Digital Asset Acquisition Corp III, Ltd$2.51M0.13%Not reportedNewQ1 2026
QADRUQDRO Acquisition Corp.$2.48M0.13%Not reportedNewQ1 2026
ORCLOracle Corp$2.42M0.13%0.00%NewQ1 2026
UAAUnder Armour, Inc.$2.36M0.12%Not reportedNewQ1 2026
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