O'Brien Greene & Co. Inc holds a diversified book of 141 stocks worth $362.4M as of Q2 2026 (disclosed Aug 6, 2026, a ~37-day 13F lag). This quarter they opened Honeywell Aerospace Inc and trimmed Interactive Brokers Gro-CL A. Their largest long position is Interactive Brokers Gro-CL A at 6% of the equity book.
Top-heavy: diversified book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
89% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Other tracked managers holding the same core names as O'Brien Greene & Co. Inc
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| GAMMA Investing LLC | 75 / 80 | $689.1M |
| Arax Advisory Partners | 74 / 80 | $1.9B |
| MORGAN STANLEY | 73 / 80 | $379.2B |
| JPMORGAN CHASE & CO | 73 / 80 | $330.0B |
| UBS Group AG | 73 / 80 | $98.5B |
| RHUMBLINE ADVISERS | 73 / 80 | $35.4B |
| BANK OF AMERICA CORP /DE/ | 72 / 80 | $238.5B |
| ROYAL BANK OF CANADA | 72 / 80 | $115.1B |
Ranked by how many of O'Brien Greene & Co. Inc's top 80 disclosed names each fund also holds: a cross-fund conviction signal from the latest 13F of every tracked manager.
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Interactive Brokers Group Inc COM | $21.3M | 245.0K | 5.9% | ▼−3.0% Reduced · −8K sh | |
| 2 | Sprott Physical Gold Trust COM | $17.8M | 591.1K | 4.9% | ▲+1.7% Added · +10K sh | |
| 3 | Apple Computer Inc Com COM | $16.0M | 55.3K | 4.4% | ▼~0% Reduced · −7 sh | |
| 4 | Berkshire Hathaway Inc Cl B COM | $13.9M | 27.9K | 3.8% | ▲+0.1% Added · +22 sh | |
| 5 | Franklin Ftse Brazil Etf COM | $13.1M | 613.4K | 3.6% | ▲+0.7% Added · +4K sh | |
| 6 | Valero Energy Corp New Com COM | $12.7M | 48.6K | 3.5% | ▼−3.9% Reduced · −2K sh | |
| 7 | Williams Cos COM | $11.7M | 157.2K | 3.2% | ▲+1.3% Added · +2K sh | |
| 8 | Wal-Mart Stores COM | $11.5M | 101.5K | 3.2% | ▼−0.7% Reduced · −702 sh | |
| 9 | Union Pacific Corp COM | $11.2M | 41.1K | 3.1% | ▲+0.7% Added · +272 sh | |
| 10 | Eog Res Inc Com COM | $10.8M | 83.6K | 3.0% | ▲+0.2% Added · +203 sh | |
| 11 | Amgen Inc COM | $10.8M | 29.9K | 3.0% | ▲+1.0% Added · +306 sh | |
| 12 | Franco-Nevada Corp COM | $10.1M | 48.5K | 2.8% | ▼−0.1% Reduced · −53 sh | |
| 13 | Curtiss Wright Corp COM | $9.8M | 13.0K | 2.7% | ▲+0.4% Added · +51 sh | |
| 14 | Cisco Sys Inc Com COM | $9.6M | 82.2K | 2.7% | ▼−37% Reduced · −48K sh | |
| 15 | Abb Ltd Sponsored Adr COM | $9.6M | 88.7K | 2.7% | ▲+6.3% Added · +5K sh | |
| 16 | Cboe Global Markets Inc COM | $9.2M | 38.1K | 2.6% | ▲+0.6% Added · +218 sh | |
| 17 | Nutrien Ltd COM | $8.4M | 133.2K | 2.3% | ▲+1.2% Added · +2K sh | |
| 18 | Microsoft Corp COM | $8.2M | 21.9K | 2.3% | ▼−0.3% Reduced · −74 sh | |
| 19 | Nextera Energy Inc COM | $8.1M | 92.6K | 2.2% | ▼−0.1% Reduced · −91 sh | |
| 20 | Danaher Corp Del Com COM | $7.7M | 40.4K | 2.1% | ▲+0.3% Added · +128 sh | |
| 21 | S&P Global Inc Com COM | $6.9M | 16.9K | 1.9% | ▼−1.0% Reduced · −177 sh | |
| 22 | Constellation Software Ord Shs COM | $6.4M | 3.4K | 1.8% | ▲+254% Added · +2K sh | |
| 23 | Veralto Ord Shs COM | $6.1M | 68.9K | 1.7% | ▲+0.1% Added · +48 sh | |
| 24 | Honeywell Aerospace Inc COM | $5.8M | 26.1K | 1.6% | ▲New New position | |
| 25 | Sony Group Corporation Sponsor COM | $5.1M | 254.4K | 1.4% | ▲+8.2% Added · +19K sh | |
| 26 | Boston Scientific COM | $4.2M | 99.6K | 1.2% | ▲+19% Added · +16K sh | |
| 27 | Golar Lng Ltd COM | $3.9M | 78.2K | 1.1% | —Held | |
| 28 | Stonex Group COM | $3.4M | 28.5K | 0.9% | ▼−3.4% Reduced · −1K sh | |
| 29 | Costco Whsl Corp New Com COM | $3.2M | 3.4K | 0.9% | ▼−0.6% Reduced · −20 sh | |
| 30 | Cummins Inc Com COM | $3.1M | 4.4K | 0.9% | ▼−3.1% Reduced · −140 sh | |
| 31 | Chevrontexaco Corp COM | $2.5M | 15.2K | 0.7% | ▼−0.1% Reduced · −15 sh | |
| 32 | J P Morgan Chase & Co Com COM | $2.5M | 7.7K | 0.7% | ▼−11% Reduced · −973 sh | |
| 33 | Emerson Elec Co COM | $2.3M | 16.3K | 0.6% | ▼−1.8% Reduced · −305 sh | |
| 34 | Grainger W W Inc Com COM | $2.3M | 1.7K | 0.6% | —Held | |
| 35 | Abbvie Inc Com COM | $2.1M | 8.5K | 0.6% | ▼−0.1% Reduced · −10 sh | |
| 36 | Automatic Data Process Com COM | $2.0M | 9.0K | 0.6% | ▼−6.3% Reduced · −605 sh | |
| 37 | Ishares Core S&P Small Cap Etf COM | $1.9M | 13.1K | 0.5% | ▼−5.0% Reduced · −695 sh | |
| 38 | Coca Cola Co COM | $1.8M | 22.8K | 0.5% | ▼−0.7% Reduced · −150 sh | |
| 39 | Waste Mgmt Inc Del Com COM | $1.8M | 8.2K | 0.5% | —Held | |
| 40 | Wise Group Plc Class A COM | $1.7M | 145.0K | 0.5% | ▲New New position | |
| 41 | Ebay Inc Com COM | $1.7M | 15.3K | 0.5% | —Held | |
| 42 | Johnson & Johnson COM | $1.6M | 6.1K | 0.4% | ▼−2.4% Reduced · −150 sh | |
| 43 | Rio Tinto Plc COM | $1.5M | 16.3K | 0.4% | ▲+7.9% Added · +1K sh | |
| 44 | Corning Inc COM | $1.4M | 5.4K | 0.4% | ▲+172% Added · +3K sh | |
| 45 | Sprott Inc COM | $1.3M | 12.0K | 0.4% | ▲+133% Added · +7K sh | |
| 46 | Alphabet Inc Class A COM | $1.2M | 3.5K | 0.3% | ▼−22% Reduced · −980 sh | |
| 47 | Axon Enterprise Ord Shs COM | $1.2M | 2.1K | 0.3% | ▲+4.9% Added · +100 sh | |
| 48 | Virtu Financial Inc Cl A COM | $1.2M | 20.0K | 0.3% | ▲+33% Added · +5K sh | |
| 49 | Ecopetrol Sa Sp Ads COM | $1.2M | 83.0K | 0.3% | ▲+30% Added · +19K sh | |
| 50 | Champion Homes Inc COM | $1.2M | 13.3K | 0.3% | ▼−3.6% Reduced · −500 sh |
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Use Arkolith to show O'Brien Greene & Co. Inc's latest holdings, largest changes, and filing provenance.
As-of date vs the date the SEC received each filing
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.