Funds › O'Connor Alternative Investments LLC
O'Connor Alternative Investments LLC
13F for Q2 2026, filed Aug 14, 2026. 140 positions worth $1.4B.Managers with more than $100 million in US-listed stocks list their holdings each quarter, within 45 days of quarter end. Long positions only: no short sales or cash.
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Holdings, Q2 2026
Largest first. Common shares only; puts and calls are under All positions.
| # | The fund's own figures at the end of the quarter. A report can be up to 45 days old when it is filed. Options and bonds are not counted here. | Filing | ||||
|---|---|---|---|---|---|---|
| 1 | Chart Industries Inc | 2.87M | $598.6M | 43.7% | +42.0% | 13F ↗ |
| 2 | Topbuild Corp | 480,292 | $170.3M | 12.4% | New | 13F ↗ |
| 3 | GOOG Alphabet Inc. Class C | 80,020 | $28.3M | 2.1% | +59.2% | 13F ↗ |
| 4 | Super Micro Computer Inc 7 Dep Cm Sr A Wi | 550,000 | $28.2M | 2.1% | New | 13F ↗ |
| 5 | KLAR Klarna Group plc | 1.13M | $22.8M | 1.7% | Unchanged | 13F ↗ |
| 6 | Alphabet Inc Dep Shs RP1/20 B | 450,000 | $22.6M | 1.6% | New | 13F ↗ |
| 7 | Z Zillow Group, Inc. Class C | 330,595 | $10.4M | 0.8% | +206% | 13F ↗ |
| 8 | Oracle Corp 6.5 Dep Cum Sr D | 200,000 | $9.0M | 0.7% | New | 13F ↗ |
| 9 | NWSA News Corporation Class A | 348,019 | $8.6M | 0.6% | New | 13F ↗ |
| 10 | JENA Jena Acquisition Corporation II | 700,000 | $7.3M | 0.5% | Unchanged | 13F ↗ |
| 11 | FOX Fox Corporation Class B | 150,908 | $7.1M | 0.5% | +9.5% | 13F ↗ |
| 12 | HEI-A HEICO Corporation Class A | 23,615 | $6.1M | 0.4% | New | 13F ↗ |
| 13 | EGHA EGH Acquisition Corp. | 500,000 | $5.2M | 0.4% | Unchanged | 13F ↗ |
| 14 | IREN IREN Limited | 111,300 | $5.1M | 0.4% | New | 13F ↗ |
| 15 | GHXIU Gores Holdings XI, Inc. Units · Units | 500,000 | $5.1M | 0.4% | New | 13F ↗ |
| 16 | OIM OneIM Acquisition Corp. | 500,000 | $5.0M | 0.4% | Unchanged | 13F ↗ |
| 17 | GTEN Gores Holdings X, Inc. | 474,796 | $5.0M | 0.4% | Unchanged | 13F ↗ |
| 18 | RIVN Rivian Automotive, Inc. | 279,000 | $4.8M | 0.4% | New | 13F ↗ |
| 19 | CEPV Cantor Equity Partners V, Inc. | 450,000 | $4.6M | 0.3% | Unchanged | 13F ↗ |
| 20 | AEIS Advanced Energy Industries, Inc. | 11,850 | $4.4M | 0.3% | New | 13F ↗ |
| 21 | LBTYK Liberty Global Ltd. Class C | 401,616 | $4.4M | 0.3% | +116% | 13F ↗ |
| 22 | Agriculture & Nat Sol Acq Co | 384,160 | $4.4M | 0.3% | Unchanged | 13F ↗ |
| 23 | BLZR Trailblazer Acquisition Corp. | 400,000 | $4.0M | 0.3% | Unchanged | 13F ↗ |
| 24 | iShares Tr Gl Clean Ene Etf | 193,000 | $4.0M | 0.3% | New | 13F ↗ |
| 25 | RBRK Rubrik, Inc. | 43,600 | $3.5M | 0.3% | New | 13F ↗ |
| 26 | NRG NRG Energy, Inc. | 22,000 | $3.2M | 0.2% | New | 13F ↗ |
| 27 | OACC Oaktree Acquisition Corp. III Life Sciences | 300,000 | $3.2M | 0.2% | Unchanged | 13F ↗ |
| 28 | ACEL Accel Entertainment, Inc. | 246,728 | $3.1M | 0.2% | Unchanged | 13F ↗ |
| 29 | NCLH Norwegian Cruise Line Holdings Ltd. | 145,200 | $3.1M | 0.2% | Unchanged | 13F ↗ |
| 30 | GCGR General Catalyst Global Resilience Merger Corp. | 300,000 | $3.0M | 0.2% | New | 13F ↗ |
| 31 | UAA Under Armour, Inc. Class A | 438,543 | $2.8M | 0.2% | +9.6% | 13F ↗ |
| 32 | SVCC Stellar V Capital Corp. | 250,000 | $2.6M | 0.2% | Unchanged | 13F ↗ |
| 33 | CCAQ Collective Acquisition Corp. | 250,000 | $2.6M | 0.2% | Unchanged | 13F ↗ |
| 34 | NPAC New Providence Acquisition Corp. III | 250,000 | $2.6M | 0.2% | Unchanged | 13F ↗ |
| 35 | TVAI Thayer Ventures Acquisition Corporation II | 250,000 | $2.6M | 0.2% | Unchanged | 13F ↗ |
| 36 | BLUW Blue Water Acquisition Corp. III | 250,000 | $2.6M | 0.2% | Unchanged | 13F ↗ |
| 37 | TLNC Talon Capital Corp. | 250,000 | $2.6M | 0.2% | Unchanged | 13F ↗ |
| 38 | SOCA Solarius Capital Acquisition Corp. | 250,000 | $2.6M | 0.2% | Unchanged | 13F ↗ |
| 39 | OBA Oxley Bridge Acquisition Limited | 250,000 | $2.6M | 0.2% | Unchanged | 13F ↗ |
| 40 | Spdr Series Trust Sp O&G Expl Pro | 16,570 | $2.6M | 0.2% | New | 13F ↗ |
| 41 | Ark ETF Tr Innovation Etf | 31,600 | $2.6M | 0.2% | New | 13F ↗ |
| 42 | PACH Pioneer Acquisition I Corp | 250,000 | $2.6M | 0.2% | Unchanged | 13F ↗ |
| 43 | HVMC Highview Merger Corp. | 250,000 | $2.5M | 0.2% | Unchanged | 13F ↗ |
| 44 | KOYN CSLM Digital Asset Acquisition Corp III | 250,000 | $2.5M | 0.2% | Unchanged | 13F ↗ |
| 45 | MBVI M3-Brigade Acquisition VI Corp. | 250,000 | $2.5M | 0.2% | Unchanged | 13F ↗ |
| 46 | Ark ETF Tr Space & Defense | 73,600 | $2.5M | 0.2% | New | 13F ↗ |
| 47 | iShares Inc Msci Japan Etf | 26,700 | $2.5M | 0.2% | New | 13F ↗ |
| 48 | WLCOU Wilco 63 Corporation Units · Units | 250,000 | $2.5M | 0.2% | New | 13F ↗ |
| 49 | QADR QDRO Acquisition Corp. | 250,000 | $2.5M | 0.2% | New | 13F ↗ |
| 50 | iShares Tr U.S. Med Dvc Etf | 50,000 | $2.5M | 0.2% | New | 13F ↗ |
Changes since Q1 2026
57 new, 6 added to, 4 trimmed, 38 exited, 73 unchanged. By estimated dollars.
New positions (57)
| Topbuild Corp | 480,292 | New | $170.3M |
| Super Micro Computer Inc 7 Dep Cm Sr A Wi | 550,000 | New | $28.2M |
| Alphabet Inc Dep Shs RP1/20 B | 450,000 | New | $22.6M |
| Oracle Corp 6.5 Dep Cum Sr D | 200,000 | New | $9.0M |
| NWSA News Corporation Class A | 348,019 | New | $8.6M |
| HEI-A HEICO Corporation Class A | 23,615 | New | $6.1M |
| IREN IREN Limited | 111,300 | New | $5.1M |
| GHXIU Gores Holdings XI, Inc. Units · Units | 500,000 | New | $5.1M |
| RIVN Rivian Automotive, Inc. | 279,000 | New | $4.8M |
| AEIS Advanced Energy Industries, Inc. | 11,850 | New | $4.4M |
Added to (6)
Trimmed (4)
Exited (38)
| Hologic Inc | 3.12M | Exited | -$235.7M |
| Air Lease Corp | 2.86M | Exited | -$185.7M |
| Clearwater Analytics Holdings I | 6.41M | Exited | -$151.6M |
| Amicus Therapeutics Inc | 8.44M | Exited | -$122.1M |
| Sealed Air Corp | 2.21M | Exited | -$93.1M |
| Onestream Inc | 3.19M | Exited | -$76.5M |
| Masimo Corp | 412,903 | Exited | -$73.4M |
| Arcellx Inc | 450,504 | Exited | -$51.7M |
| Day One Biopharmaceuticals Inc | 1.87M | Exited | -$40.0M |
| Coterra Energy Inc | 1.00M | Exited | -$35.2M |
The 10 largest of each, by estimated dollars: shares changed times the later report's price. Index tracking, splits and mergers move positions too.
All positions
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Compare two quarters
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Reported value by quarter
Value and number of positions at the end of each quarter.
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Largest positions in earlier quarters
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Ten largest positions
By value, Q2 2026.
Filings
Most recent first, up to 80. An amendment can replace a report or add holdings to it. All 13F filings
Information, not investment advice. Values are the fund's own figures at quarter end; a report can be up to 45 days old when filed. Disclaimer