O'Brien Greene & Co.
O'Brien Greene & Co. reported 141 stocks worth $362M in its 13F filing for Q2 2026, filed Aug 6, 2026. Its largest holdings are IBKR (5.9%), PHYS (4.9%) and AAPL (4.4%). Compared with Q1 2026, the fund opened new positions in HONA, WSE and EVC, added to PHYS, FLBR and WMB, trimmed IBKR, VLO and WMT and sold out of LYB, CF and OLN.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  IBKR Interactive Brokers Grouclass Class A | $21.3M | 5.9% | 245K | −7,694 (−3%) | 8 of 8 | |
| 2 |  PHYS Sprott Physical Gold TR | $17.8M | 4.9% | 591K | +9,722 (+2%) | 8 of 8 | |
| 3 |  AAPL Apple Inc | $16M | 4.4% | 55K | No change | 8 of 8 | |
| 4 |  BRK.B Berkshire Hathaway Inc Del | $13.9M | 3.9% | 28K | No change | 8 of 8 | |
| 5 |  FLBR Franklin Templeton ETF TR | $13.1M | 3.6% | 613K | +4,104 (+1%) | 5 of 8 | |
| 6 |  VLO Valero Energy Corp | $12.7M | 3.5% | 49K | −1,960 (−4%) | 8 of 8 | |
| 7 |  WMB Williams Cos Inc | $11.7M | 3.2% | 157K | +1,997 (+1%) | 8 of 8 | |
| 8 |  WMT Walmart Inc | $11.5M | 3.2% | 102K | −702 (−1%) | 8 of 8 | |
| 9 |  UNP Union Pac Corp | $11.2M | 3.1% | 41K | +272 (+1%) | 8 of 8 | |
| 10 |  EOG Eog Res Inc | $10.8M | 3.0% | 84K | +203 (+0%) | 8 of 8 |
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 |
|---|---|---|
 LYB Lyondellbasell Industries N | $6.8M | 85K |
WISE PLC ORDF | $2.7M | 230K |
 CF CF Inds Hldgs Inc | $722K | 5,564 |
 OLN Olin Corp | $446K | 15K |
 BMY Bristol Myers Squibb Co | $343K | 5,660 |
🔒 Free account: see all 8.
Reported value
last 8 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 6, 2026 | 13F-HR | Q2 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →O'Brien Greene & Co. 13F FAQ
What does O'Brien Greene & Co. own?
O'Brien Greene & Co. reported 141 stocks worth $362M in its 13F filing for Q2 2026, filed Aug 6, 2026. The table above lists every position in the filing (the top 10 without an account).
What did O'Brien Greene & Co. buy and sell in Q2 2026?
Compared with Q1 2026: 16 new positions, 32 added to, 30 trimmed and 8 sold out. New positions include HONA, WSE and EVC. It sold all of LYB, CF and OLN.
When will O'Brien Greene & Co. 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'Brien Greene & Co.'s portfolio worth?
The Q2 2026 filing reports $362M 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.