O'Connor Alternative Investments, LLC historic quarter change: USA Stocks, New
In share positions in stocks (listed in the US), over 1 quarter from 2026-03-31 to 2026-06-30, O'Connor Alternative Investments, LLC opened 46 positions, added to 5, reduced 4 and sold out of 31.
- Q2 2026: Stock GTLS; Country of operation United States; Class COM; Shares before 0.
- Q2 2026: Stock BLD; Country of operation United States; Class COM; Shares before 0.
- Q2 2026: Stock SMCIP; Country of operation —; Class 7DEPC; Shares before 0.
- Q2 2026: Stock GOOGN; Country of operation —; Class DEPSH; Shares before 0.
Each consecutive pair of Form 13F-HR filings compared (SEC CIK 2081629), 1 quarter: Q2 2026 (2026-03-31 to 2026-06-30, filed 2026-08-14). Rows for the same security, class and put/call are added together. Value change is the filed value at each quarter end, so it includes the price move. Only the filings held here are compared; the firm's 13F-HR filings go back to the quarter ended 2026-03-31.
| Quarter | Stock | Country of operation | Class | Shares before | Shares after | Share change | Value before | Value after | Value change | Filed |
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| Q2 2026 | GTLS CHART INDS | United States | COM | 0 | 2,865,147 | +2,865,147 | $0 | $598,643,814 | +$598,643,814 | 2026-08-14 |
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| Q2 2026 | BLD TOPBUILD C | United States | COM | 0 | 480,292 | +480,292 | $0 | $170,277,923 | +$170,277,923 | 2026-08-14 |
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| Q2 2026 | SMCIP SUPER MICR | | 7DEPC | 0 | 550,000 | +550,000 | $0 | $28,171,000 | +$28,171,000 | 2026-08-14 |
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| Q2 2026 | GOOGN ALPHABET I | | DEPSH | 0 | 450,000 | +450,000 | $0 | $22,572,000 | +$22,572,000 | 2026-08-14 |
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| Q2 2026 | ORCLPRD ORACLE COR | United States | 6.5DE | 0 | 200,000 | +200,000 | $0 | $8,982,000 | +$8,982,000 | 2026-08-14 |
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| Q2 2026 | NWSA NEWS CORP | United States | CLA | 0 | 348,019 | +348,019 | $0 | $8,641,312 | +$8,641,312 | 2026-08-14 |
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| Q2 2026 | HEIA HEICO CORP | | CLA | 0 | 23,615 | +23,615 | $0 | $6,090,545 | +$6,090,545 | 2026-08-14 |
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| Q2 2026 | IREN IREN LIMIT | | ORDIN | 0 | 111,300 | +111,300 | $0 | $5,089,749 | +$5,089,749 | 2026-08-14 |
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| Q2 2026 | GHXIU GORES HOLD | | UNIT0 | 0 | 500,000 | +500,000 | $0 | $5,070,000 | +$5,070,000 | 2026-08-14 |
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| Q2 2026 | RIVN RIVIAN AUT | United States | COMCL | 0 | 279,000 | +279,000 | $0 | $4,840,650 | +$4,840,650 | 2026-08-14 |
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| Q2 2026 | AEIS ADVANCED E | United States | COM | 0 | 11,850 | +11,850 | $0 | $4,418,510 | +$4,418,510 | 2026-08-14 |
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| Q2 2026 | RBRK RUBRIK INC | United States | CLA | 0 | 43,600 | +43,600 | $0 | $3,500,208 | +$3,500,208 | 2026-08-14 |
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| Q2 2026 | NRG NRG ENERGY | United States | COMNE | 0 | 22,000 | +22,000 | $0 | $3,213,320 | +$3,213,320 | 2026-08-14 |
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| Q2 2026 | GCGR GENERAL CA | | CLA | 0 | 300,000 | +300,000 | $0 | $3,027,000 | +$3,027,000 | 2026-08-14 |
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| Q2 2026 | WLCOU WILCO 63 C | | UNIT0 | 0 | 250,000 | +250,000 | $0 | $2,487,500 | +$2,487,500 | 2026-08-14 |
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| Q2 2026 | QADR QDRO ACQUI | | ORDSH | 0 | 250,000 | +250,000 | $0 | $2,477,500 | +$2,477,500 | 2026-08-14 |
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| Q2 2026 | KEYY KEYSTONE A | | CLA | 0 | 250,000 | +250,000 | $0 | $2,465,000 | +$2,465,000 | 2026-08-14 |
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| Q2 2026 | LWAC LIGHTWAVE | | USDCL | 0 | 200,000 | +200,000 | $0 | $2,050,000 | +$2,050,000 | 2026-08-14 |
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| Q2 2026 | BIDWU TRIBECA ST | | UNIT0 | 0 | 200,000 | +200,000 | $0 | $1,990,000 | +$1,990,000 | 2026-08-14 |
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| Q2 2026 | GEHC GE HEALTHC | United States | COMMO | 0 | 24,704 | +24,704 | $0 | $1,581,303 | +$1,581,303 | 2026-08-14 |
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| Q2 2026 | SAC SAFEGUARD | United States | CLAOR | 0 | 150,000 | +150,000 | $0 | $1,509,000 | +$1,509,000 | 2026-08-14 |
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| Q2 2026 | SPGI S&P GLOBAL | United States | COM | 0 | 3,700 | +3,700 | $0 | $1,506,862 | +$1,506,862 | 2026-08-14 |
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| Q2 2026 | ABT ABBOTT LAB | United States | COM | 0 | 16,500 | +16,500 | $0 | $1,497,210 | +$1,497,210 | 2026-08-14 |
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| Q2 2026 | CL COLGATE PA | United States | COM | 0 | 16,300 | +16,300 | $0 | $1,494,384 | +$1,494,384 | 2026-08-14 |
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| Q2 2026 | GILD GILEAD SCI | United States | COM | 0 | 11,800 | +11,800 | $0 | $1,490,812 | +$1,490,812 | 2026-08-14 |
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| Q2 2026 | MIR MIRION TEC | United States | COMCL | 0 | 82,400 | +82,400 | $0 | $1,477,432 | +$1,477,432 | 2026-08-14 |
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| Q2 2026 | UTHR UNITED THE | United States | COM | 0 | 2,700 | +2,700 | $0 | $1,462,941 | +$1,462,941 | 2026-08-14 |
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| Q2 2026 | VST VISTRA COR | United States | COM | 0 | 9,200 | +9,200 | $0 | $1,459,396 | +$1,459,396 | 2026-08-14 |
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| Q2 2026 | AIG AMERICAN I | United States | COMNE | 0 | 19,300 | +19,300 | $0 | $1,438,429 | +$1,438,429 | 2026-08-14 |
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| Q2 2026 | PEP PEPSICO IN | United States | COM | 0 | 10,600 | +10,600 | $0 | $1,435,240 | +$1,435,240 | 2026-08-14 |
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| Q2 2026 | CRH CRH PLC | | ORD | 0 | 13,300 | +13,300 | $0 | $1,423,100 | +$1,423,100 | 2026-08-14 |
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| Q2 2026 | RREV RRE VENTUR | | CLAOR | 0 | 125,000 | +125,000 | $0 | $1,236,250 | +$1,236,250 | 2026-08-14 |
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| Q2 2026 | HCMA HCM III AC | | ORDSH | 0 | 100,000 | +100,000 | $0 | $1,028,000 | +$1,028,000 | 2026-08-14 |
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| Q2 2026 | NWAX NEW AMER A | United States | COMSH | 0 | 100,000 | +100,000 | $0 | $1,015,000 | +$1,015,000 | 2026-08-14 |
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| Q2 2026 | LAFA LAFAYETTE | | ORDSH | 0 | 100,000 | +100,000 | $0 | $1,011,000 | +$1,011,000 | 2026-08-14 |
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| Q2 2026 | IRHO IRON HORSE | United States | COM | 0 | 100,000 | +100,000 | $0 | $1,003,000 | +$1,003,000 | 2026-08-14 |
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| Q2 2026 | TMTS SPARTACUS | | CLAOR | 0 | 100,000 | +100,000 | $0 | $1,000,000 | +$1,000,000 | 2026-08-14 |
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| Q2 2026 | ALNY ALNYLAM PH | United States | COM | 0 | 2,500 | +2,500 | $0 | $752,575 | +$752,575 | 2026-08-14 |
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| Q2 2026 | MCO MOODYS COR | United States | COM | 0 | 1,600 | +1,600 | $0 | $724,672 | +$724,672 | 2026-08-14 |
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| Q2 2026 | QADRW QDRO ACQUI | | *WEXP | 0 | 124,999 | +124,999 | $0 | $36,875 | +$36,875 | 2026-08-14 |
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| Q2 2026 | NWAXWS NEW AMER A | United States | *WEXP | 0 | 50,000 | +50,000 | $0 | $31,250 | +$31,250 | 2026-08-14 |
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| Q2 2026 | ZKPW LAFAYETTE | | *WEXP | 0 | 75,000 | +75,000 | $0 | $22,162 | +$22,162 | 2026-08-14 |
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| Q2 2026 | IGACR INVEST GRE | | RIGHT | 0 | 100,000 | +100,000 | $0 | $21,070 | +$21,070 | 2026-08-14 |
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| Q2 2026 | IRHOR IRON HORSE | United States | RIGHT | 0 | 100,000 | +100,000 | $0 | $16,040 | +$16,040 | 2026-08-14 |
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| Q2 2026 | BLRKW BLUEROCK A | United States | *WEXP | 0 | 33,333 | +33,333 | $0 | $15,000 | +$15,000 | 2026-08-14 |
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| Q2 2026 | LAFAR LAFAYETTE | | RIGHT | 0 | 100,000 | +100,000 | $0 | $9,630 | +$9,630 | 2026-08-14 |
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