O'Connor Alternative Investments LLC
CIK 2081629 · View on SEC EDGAR ↗
- Portfolio value
- $1.4B
- Positions
- 156
- As of
- June 30, 2026
#1,968 of 9,443 by 13F value · top 20.8%
Portfolio value QoQ: +84.9% 13F does not disclose cash
- Top 10 holdings weight
- 74.19%
- Top 25 holdings weight
- 84.89%
- Positions above 1%
- 14
- Effective number of positions
- 4.7
Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)
Turnover Q2 2026: 30.69% Est. buys $948,898,985 · sells $324,046,548
- New positions
- 155
- Increased
- 1
- Decreased
- 0
- Closed
- 5
Put-notional exposure: 0.1% puts 13F reports option positions at underlying notional value — may include hedges, not necessarily bearish bets
On this page
- Sector breakdown How the portfolio splits across market sectors.
- Portfolio Every stock this institution reports holding, from its latest 13F.
- Biggest new bets Brand-new positions opened in the latest quarter.
- Top moves The biggest position increases and decreases this quarter.
- Exited positions Positions the manager fully sold out of last quarter.
Sector breakdown
Industrials
44.3%
Consumer products
12.5%
N/A
7.4%
Communication Services
3.2%
Financial Services
1.8%
Consumer Discretionary
1.0%
Real Estate
0.8%
Technology
0.7%
Healthcare
0.5%
Telecommunication
0.3%
Utilities
0.3%
Financials
0.1%
Consumer Staples
0.1%
Retail
0.0%
Energy
0.0%
Other/Unmapped
27.0%
Full portfolio 156 positions
| Type | Streak | 8Q trend | |||||
|---|---|---|---|---|---|---|---|
| GTLS Chart Industries, Inc. Common Stock | $598,643,814 | 43.68% | 2,865,147 | $181,351,399 | Up ×1 | ||
| BLD TopBuild Corp. Common Stock | $170,277,923 | 12.42% | 480,292 | Up ×1 | |||
| Unknown issuer (CUSIP: 18915MAC1) | $48,906,000 | 3.57% | 38,000,000 | Up ×1 | |||
| Unknown issuer (CUSIP: 833445AD1) | $37,182,600 | 2.71% | 21,000,000 | Up ×1 | |||
| Unknown issuer (CUSIP: 682189AU9) | $30,180,000 | 2.20% | 25,000,000 | Up ×1 | |||
| Unknown issuer (CUSIP: 00971TAN1) | $29,810,000 | 2.17% | 25,000,000 | Up ×1 | |||
| GOOG Alphabet Inc. - Class C Capital Stock | $28,273,467 | 2.06% | 80,020 | Up ×1 | |||
| Unknown issuer (CUSIP: 86800U500) | $28,171,000 | 2.06% | 550,000 | Up ×1 | |||
| KLAR Klarna Group plc Ordinary Shares | $22,813,921 | 1.66% | 1,127,170 | Up ×1 | |||
| Unknown issuer (CUSIP: 02079K602) | $22,572,000 | 1.65% | 450,000 | Up ×1 | |||
| Unknown issuer (CUSIP: 36467WAE9) | $20,468,000 | 1.49% | 20,000,000 | Up ×1 | |||
| Unknown issuer (CUSIP: 538034BA6) | $17,822,000 | 1.30% | 10,000,000 | Up ×1 | |||
| Unknown issuer (CUSIP: 25809KAB1) | $14,785,500 | 1.08% | 15,000,000 | Up ×1 | |||
| Unknown issuer (CUSIP: 00971TAQ4) | $14,614,000 | 1.07% | 10,000,000 | Up ×1 | |||
| Z Zillow Group, Inc. - Class C Capital Stock | $10,420,354 | 0.76% | 330,595 | Up ×1 | |||
| Unknown issuer (CUSIP: 40637HAF6) | $10,215,100 | 0.75% | 7,000,000 | Up ×1 | |||
| ORCLPRD | $8,982,000 | 0.66% | 200,000 | Up ×1 | |||
| NWSA News Corporation - Class A Common Stock | $8,641,312 | 0.63% | 348,019 | Up ×1 | |||
| JENA Jena Acquisition Corporation II Class A Ordinary Shares | $7,252,000 | 0.53% | 700,000 | Up ×1 | |||
| FOX Fox Corporation - Class B Common Stock | $7,068,531 | 0.52% | 150,908 | Up ×1 | |||
| HEIA | $6,090,545 | 0.44% | 23,615 | Up ×1 | |||
| EGHA EGH Acquisition Corp. - Class A ordinary shares | $5,150,000 | 0.38% | 500,000 | Up ×1 | |||
| IREN IREN Limited - Ordinary Shares | $5,089,749 | 0.37% | 111,300 | Up ×1 | |||
| Unknown issuer (CUSIP: G40008123) | $5,070,000 | 0.37% | 500,000 | Up ×1 | |||
| Unknown issuer (CUSIP: G6S74K106) | $5,040,000 | 0.37% | 500,000 | Up ×1 | |||
| GTEN Gores Holdings X, Inc. - Class A ordinary shares | $4,952,122 | 0.36% | 474,796 | Up ×1 | |||
| RIVN Rivian Automotive, Inc. - Class A Common Stock | $4,840,650 | 0.35% | 279,000 | Up ×1 | |||
| CEPV Cantor Equity Partners V, Inc. - Class A Ordinary Shares | $4,640,625 | 0.34% | 450,000 | Up ×1 | |||
| AEIS Advanced Energy Industries, Inc. - Common Stock | $4,418,510 | 0.32% | 11,850 | Up ×1 | |||
| LBTYK Liberty Global Ltd. - Class C Common Shares | $4,417,776 | 0.32% | 401,616 | Up ×1 | |||
| ANSC Agriculture & Natural Solutions Acquisition Corporation - Class A Ordinary Shares | $4,387,107 | 0.32% | 384,160 | Up ×1 | |||
| BLZR Trailblazer Acquisition Corp. - Class A Ordinary Shares | $4,048,000 | 0.30% | 400,000 | Up ×1 | |||
| ICLN iShares Global Clean Energy ETF | $3,954,570 | 0.29% | 193,000 | Up ×1 | |||
| RBRK Rubrik, Inc. Class A Common Stock | $3,500,208 | 0.26% | 43,600 | Up ×1 | |||
| NRG NRG Energy, Inc. Common Stock | $3,213,320 | 0.23% | 22,000 | Up ×1 | |||
| OACC Oaktree Acquisition Corp. III Life Sciences - Class A Ordinary Share | $3,213,000 | 0.23% | 300,000 | Up ×1 | |||
| ACEL Accel Entertainment, Inc. | $3,111,240 | 0.23% | 246,728 | Up ×1 | |||
| NCLH Norwegian Cruise Line Holdings Ltd. Ordinary Shares | $3,065,172 | 0.22% | 145,200 | Up ×1 | |||
| Unknown issuer (CUSIP: G3793T104) | $3,027,000 | 0.22% | 300,000 | Up ×1 | |||
| UAA Under Armour, Inc. Class A Common Stock | $2,802,290 | 0.20% | 438,543 | Up ×1 | |||
| SVCC Stellar V Capital Corp. - Class A Ordinary Shares | $2,630,000 | 0.19% | 250,000 | Up ×1 | |||
| IPOD Dune Acquisition Corporation II - Class A ordinary shares | $2,607,500 | 0.19% | 250,000 | Up ×1 | |||
| NPAC New Providence Acquisition Corp. III - Ordinary Shares | $2,595,000 | 0.19% | 250,000 | Up ×1 | |||
| TVAI Thayer Ventures Acquisition Corporation II - Class A Ordinary Shares | $2,585,000 | 0.19% | 250,000 | Up ×1 | |||
| BLUW Blue Water Acquisition Corp. III - Class A Ordinary Shares | $2,577,500 | 0.19% | 250,000 | Up ×1 | |||
| TLNC Talon Capital Corp. - Class A Ordinary Shares | $2,575,000 | 0.19% | 250,000 | Up ×1 | |||
| SOCA Solarius Capital Acquisition Corp. - Class A Ordinary Share | $2,570,000 | 0.19% | 250,000 | Up ×1 | |||
| OBA Oxley Bridge Acquisition Limited - Class A Ordinary Shares | $2,560,000 | 0.19% | 250,000 | Up ×1 | |||
| XOP | $2,556,088 | 0.19% | 16,570 | Up ×1 | |||
| ARKK | $2,553,912 | 0.19% | 31,600 | Up ×1 | |||
| PACH Pioneer Acquisition I Corp - Class A Ordinary Shares | $2,552,500 | 0.19% | 250,000 | Up ×1 | |||
| HVMC Highview Merger Corp. - Class A Ordinary Share | $2,537,500 | 0.19% | 250,000 | Up ×1 | |||
| KOYN CSLM Digital Asset Acquisition Corp III - Class A Ordinary Shares | $2,535,000 | 0.18% | 250,000 | Up ×1 | |||
| MBVI M3-Brigade Acquisition VI Corp. - Class A Ordinary Shares | $2,532,500 | 0.18% | 250,000 | Up ×1 | |||
| ARKX | $2,511,232 | 0.18% | 73,600 | Up ×1 | |||
| EWJ | $2,490,309 | 0.18% | 26,700 | Up ×1 | |||
| Unknown issuer (CUSIP: G9640P120) | $2,487,500 | 0.18% | 250,000 | Up ×1 | |||
| Unknown issuer (CUSIP: G7310E102) | $2,477,500 | 0.18% | 250,000 | Up ×1 | |||
| IHI | $2,470,500 | 0.18% | 50,000 | Up ×1 | |||
| TAN | $2,466,555 | 0.18% | 41,700 | Up ×1 | |||
| XLB XLB | $2,465,255 | 0.18% | 48,500 | Up ×1 | |||
| Unknown issuer (CUSIP: G52539106) | $2,465,000 | 0.18% | 250,000 | Up ×1 | |||
| RNGT Range Capital Acquisition Corp II - Class A Ordinary Shares | $2,268,000 | 0.17% | 225,000 | Up ×1 | |||
| BEAG Bold Eagle Acquisition Corp. - Class A Ordinary Shares | $2,136,000 | 0.16% | 200,000 | Up ×1 | |||
| GSHR Gesher Acquisition Corp. II - Class A Ordinary Shares | $2,090,000 | 0.15% | 200,000 | Up ×1 | |||
| CRAQ Cal Redwood Acquisition Corp. - Class A Ordinary Shares | $2,060,000 | 0.15% | 200,000 | Up ×1 | |||
| CCII Cohen Circle Acquisition Corp. II - Class A Ordinary Shares | $2,060,000 | 0.15% | 200,000 | Up ×1 | |||
| LWAC LightWave Acquisition Corp. - Class A Ordinary Shares | $2,050,000 | 0.15% | 200,000 | Up ×1 | |||
| FVAV Fortress Value Acquisition Corp. V - Class A Ordinary Shares | $2,030,000 | 0.15% | 200,000 | Up ×1 | |||
| Unknown issuer (CUSIP: G90420129) | $1,990,000 | 0.15% | 200,000 | Up ×1 | |||
| CEPF Cantor Equity Partners IV, Inc. - Class A Ordinary Shares | $1,815,528 | 0.13% | 174,570 | Up ×1 | |||
| AXIN Axiom Intelligence Acquisition Corp 1 - Class A Ordinary Shares | $1,809,500 | 0.13% | 175,000 | Up ×1 | |||
| OTGA OTG Acquisition Corp. I - Class A Ordinary Share | $1,778,000 | 0.13% | 175,000 | Up ×1 | |||
| AACB Artius II Acquisition Inc. - Class A Ordinary Shares | $1,676,800 | 0.12% | 160,000 | Up ×1 | |||
| POLE Andretti Acquisition Corp. II - Class A Ordinary Shares | $1,612,500 | 0.12% | 150,000 | Up ×1 | |||
| XOVR ERShares Private-Public Crossover ETF | $1,601,905 | 0.12% | 76,100 | Up ×1 | |||
| BACC Blue Acquisition Corp. - Class A Ordinary Shares | $1,590,000 | 0.12% | 150,000 | Up ×1 | |||
| QTUM Defiance Quantum ETF | $1,587,648 | 0.12% | 9,600 | Up ×1 | |||
| GEHC GE HealthCare Technologies Inc. - Common Stock | $1,581,303 | 0.12% | 24,704 | Up ×1 | |||
| XRPN Armada Acquisition Corp. II - Class A Ordinary Shares | $1,563,000 | 0.11% | 150,000 | Up ×1 | |||
| SOUL Soulpower Acquisition Corporation Class A Ordinary Shares | $1,552,500 | 0.11% | 150,000 | Up ×1 | |||
| FCRS FutureCrest Acquisition Corp. Class A Ordinary Shares | $1,545,000 | 0.11% | 150,000 | Up ×1 | |||
| VACI Viking Acquisition Corp. I Class A Ordinary Shares | $1,533,000 | 0.11% | 150,000 | Up ×1 | |||
| PAII Pyrophyte Acquisition Corp. II Class A Ordinary Shares | $1,530,000 | 0.11% | 150,000 | Up ×1 | |||
| EVAC EQV Ventures Acquisition Corp. II Class A Ordinary Shares | $1,527,000 | 0.11% | 150,000 | Up ×1 | |||
| YCY AA Mission Acquisition Corp. II Class A Ordinary Shares | $1,524,000 | 0.11% | 150,000 | Up ×1 | |||
| FEZ | $1,517,828 | 0.11% | 22,100 | Up ×1 | |||
| SAC Safeguard Acquisition Corp. Class A Ordinary Shares | $1,509,000 | 0.11% | 150,000 | Up ×1 | |||
| SPGI S&P Global Inc. Common Stock | $1,506,862 | 0.11% | 3,700 | Up ×1 | |||
| ABT Abbott Laboratories Common Stock | $1,497,210 | 0.11% | 16,500 | Up ×1 | |||
| CL Colgate-Palmolive Company Common Stock | $1,494,384 | 0.11% | 16,300 | Up ×1 | |||
| GILD Gilead Sciences, Inc. - Common Stock | $1,490,812 | 0.11% | 11,800 | Up ×1 | |||
| MIR Mirion Technologies, Inc. Class A Common Stock | $1,477,432 | 0.11% | 82,400 | Up ×1 | |||
| UTHR United Therapeutics Corporation - Common Stock | $1,462,941 | 0.11% | 2,700 | Up ×1 | |||
| VST Vistra Corp. Common Stock | $1,459,396 | 0.11% | 9,200 | Up ×1 | |||
| AIG American International Group, Inc. New Common Stock | $1,438,429 | 0.10% | 19,300 | Up ×1 | |||
| PEP PepsiCo, Inc. - Common Stock | $1,435,240 | 0.10% | 10,600 | Up ×1 | |||
| CRH CRH PLC Ordinary Shares | $1,423,100 | 0.10% | 13,300 | Up ×1 | |||
| CHEC Chenghe Acquisition III Co. - Class A Ordinary Shares | $1,270,000 | 0.09% | 125,000 | Up ×1 | |||
| LATA Galata Acquisition Corp. II - Class A Ordinary Shares | $1,262,500 | 0.09% | 125,000 | Up ×1 | |||
| No matches | |||||||
Biggest new bets
New positions opened this quarter, largest first.
| Security | Value | Shares | % of portfolio |
|---|---|---|---|
| BLD | $170,277,923 | 480,292 | 12.42% |
| Unknown issuer (CUSIP: 18915MAC1) | $48,906,000 | 38,000,000 | 3.57% |
| Unknown issuer (CUSIP: 833445AD1) | $37,182,600 | 21,000,000 | 2.71% |
| Unknown issuer (CUSIP: 682189AU9) | $30,180,000 | 25,000,000 | 2.20% |
| Unknown issuer (CUSIP: 00971TAN1) | $29,810,000 | 25,000,000 | 2.17% |
| GOOG | $28,273,467 | 80,020 | 2.06% |
| Unknown issuer (CUSIP: 86800U500) | $28,171,000 | 550,000 | 2.06% |
| KLAR | $22,813,921 | 1,127,170 | 1.66% |
| Unknown issuer (CUSIP: 02079K602) | $22,572,000 | 450,000 | 1.65% |
| Unknown issuer (CUSIP: 36467WAE9) | $20,468,000 | 20,000,000 | 1.49% |
| Unknown issuer (CUSIP: 538034BA6) | $17,822,000 | 10,000,000 | 1.30% |
| Unknown issuer (CUSIP: 25809KAB1) | $14,785,500 | 15,000,000 | 1.08% |
| Unknown issuer (CUSIP: 00971TAQ4) | $14,614,000 | 10,000,000 | 1.07% |
| Z | $10,420,354 | 330,595 | 0.76% |
| Unknown issuer (CUSIP: 40637HAF6) | $10,215,100 | 7,000,000 | 0.75% |
Top movers (QoQ)
| Security | Action | Shares Δ | Value Δ |
|---|---|---|---|
| GTLS | Bought more | +847K | +$181.4M |
Exited positions
Includes corporate events (mergers, delistings) — not all exits are sells
Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.
| Security | Quarter | Shares before | Value before | Price since exit |
|---|---|---|---|---|
| CWAN | June 30, 2026 | 6,409,535 | $151,585,502 | No longer tracked |
| MASI | June 30, 2026 | 412,903 | $73,443,057 | No longer tracked |
| ACLX | June 30, 2026 | 450,504 | $51,726,869 | No longer tracked |
| CTRA | June 30, 2026 | 1,002,337 | $35,222,121 | No longer tracked |
| APLS | June 30, 2026 | 300,000 | $12,068,999 | No longer tracked |