O'Connor Alternative Investments
O'Connor Alternative Investments reported 140 stocks worth $1.1B in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are Chart Inds Inc (52.3%), Topbuild Corp (14.9%) and GOOG (2.5%). Compared with Q1 2026, the fund opened new positions in NWSA, HEI.A and IREN, added to GOOG, Z and FOX, trimmed BEAG and BACC and sold out of CTRA, CCL and SMH.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 2 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 | CHART INDS INC | $599M | 52.3% | 2.9M | +847K (+42%) | 2 of 2 | |
| 2 | TOPBUILD CORP | $170M | 14.9% | 480K | New position | 1 of 2 | |
| 3 |  GOOG Alphabet Inc | $28.3M | 2.5% | 80K | +30K (+59%) | 2 of 2 | |
| 4 | SUPER MICRO COMPUTER INC | $28.2M | 2.5% | 550K | New position | 1 of 2 | |
| 5 |  KLAR Klarna Group PLC F | $22.8M | 2.0% | 1.1M | No change | 2 of 2 | |
| 6 | ALPHABET INC | $22.6M | 2.0% | 450K | New position | 1 of 2 | |
| 7 |  Z Zillow Group Inc | $10.4M | 0.9% | 331K | +223K (+206%) | 2 of 2 | |
| 8 | ORACLE CORP | $9M | 0.8% | 200K | New position | 1 of 2 | |
| 9 |  NWSA News Corp New | $8.6M | 0.8% | 348K | New position | 1 of 2 | |
| 10 |  JENA Jena Acquisition Corp II | $7.3M | 0.6% | 700K | No change | 2 of 2 |
Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q1 2026, gone in Q2 2026| Stock | Value last quarter | Shares sold |
|---|---|---|
HOLOGIC INC | $236M | 3.1M |
AIR LEASE CORP | $186M | 2.9M |
CLEARWATER ANALYTICS HLDGS I | $152M | 6.4M |
AMICUS THERAPEUTICS INC | $122M | 8.4M |
SEALED AIR CORP NEW | $93.1M | 2.2M |
🔒 Free account: see all 30.
Options
valued at the underlying shares| Stock | Type | Value | Shares | Change |
|---|---|---|---|---|
 AAL American Airls Group Inc | Put | $657K | 2.5M | +321,600 |
 RH RH | Put | $338K | 12K | +12,000 |
 SPY Spdr S&P 500 ETF TR | Put | $280K | 118K | +3,000 |
 F Ford Mtr Co Del | Put | $110K | 47K | +46,600 |
 CLMT Calumet Inc | Put | $94K | 20K | +20,400 |
🔒 Free account: see all 7.
Reported value
last 2 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q2 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Aug 14, 2026 | 13F-HR | Q2 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →O'Connor Alternative Investments 13F FAQ
What does O'Connor Alternative Investments own?
O'Connor Alternative Investments reported 140 stocks worth $1.1B in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are Chart Inds Inc (52.3%), Topbuild Corp (14.9%) and GOOG (2.5%). The table above lists every position in the filing (the top 10 without an account).
What did O'Connor Alternative Investments buy and sell in Q2 2026?
Compared with Q1 2026: 57 new positions, 6 added to, 3 trimmed and 38 sold out. New positions include NWSA, HEI.A and IREN. It sold all of CTRA, CCL and SMH.
When will O'Connor Alternative Investments file its next 13F?
Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.
How much is O'Connor Alternative Investments's portfolio worth?
The Q2 2026 filing reports $1.1B in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.