O'Brien Greene & Co. Inc
Long book
$353.3M
Q1 2026
Positions
133
Top-10 weight
40%
concentration
Last quarter
+4.2%
SPY +14.8%
Turnover
17%
of book per quarter
Strategy in plain words
auto-generated from filingsO'Brien Greene & Co. Inc is a diversified fundamental manager, running a $353.3M US long book across 133 positions.
The portfolio is moderately concentrated (top 10 ≈ 40% of the book). Turnover is modest: positions are typically held for years. Current anchor positions: SPROTT PHYSICAL GOLD TRUST, INTERACTIVE BROKERS GRO-CL A, FRANKLIN FTSE BRAZIL ETF, APPLE INC, BERKSHIRE HATHAWAY INC-CL B.
Over the last 9 quarters its long book ran on average 1pp per quarter behind the S&P 500, beating the index in 4 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
+0.2%
Q2 2024
+7.8%
Q3 2024
-1.7%
Q4 2024
+1.8%
Q1 2025
+4.1%
Q2 2025
+8.2%
Q3 2025
+1.7%
Q4 2025
+5.0%
Q1 2026
+4.2%
Sector allocation
Technology 18%
Financials 17%
Industrials 11%
Energy 11%
Other 9%
Utilities 8%
Healthcare 8%
Consumer discretionary 8%
Long book by quarter
What does O'Brien Greene own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| IBKR INTERACTIVE BROKERS GRO-CL A | Financials | 252.7K | $17.0M | 4.8% | -2.5% |
| AAPL APPLE INC | Technology | 55.3K | $14.0M | 4.0% | +0.9% |
| BRK/B BERKSHIRE HATHAWAY INC-CL B | Financials | 27.8K | $13.3M | 3.8% | -0.3% |
| WMT WALMART INC | Consumer discretionary | 102.2K | $12.7M | 3.6% | -1.8% |
| VLO VALERO ENERGY CORP | Energy | 50.6K | $12.5M | 3.5% | +2.4% |
| EOG EOG RESOURCES INC | Energy | 83.4K | $12.1M | 3.4% | +2.3% |
| FNV FRANCO-NEVADA CORP | Materials | 48.6K | $12.0M | 3.4% | 0.0% |
| WMB WILLIAMS COS INC | Utilities | 155.2K | $11.3M | 3.2% | -0.3% |
| CBOE CBOE GLOBAL MARKETS INC | Financials | 37.9K | $10.6M | 3.0% | +2.1% |
| AMGN AMGEN INC | Healthcare | 29.6K | $10.4M | 3.0% | -0.1% |
| CSCO CISCO SYSTEMS INC | Technology | 130.5K | $10.1M | 2.9% | -2.3% |
| NTR NUTRIEN LTD | Other | 131.6K | $9.9M | 2.8% | +4.1% |
| UNP UNION PACIFIC CORP | Industrials | 40.8K | $9.9M | 2.8% | +2.5% |
| CW CURTISS-WRIGHT CORP | Industrials | 12.9K | $8.8M | 2.5% | +2.6% |
| NEE NEXTERA ENERGY INC | Utilities | 92.7K | $8.6M | 2.4% | +1.3% |
| MSFT MICROSOFT CORP | Technology | 22.0K | $8.1M | 2.3% | +3.9% |
| DHR DANAHER CORP | Technology | 40.3K | $7.6M | 2.2% | +5.1% |
| SPGI S&P GLOBAL INC | Services media | 17.1K | $7.3M | 2.1% | +4.0% |
| LYB LYONDELLBASELL INDU-CL A | Other | 84.6K | $6.8M | 1.9% | New |
| VLTO VERALTO CORP | Technology | 68.9K | $6.1M | 1.7% | +5.0% |
| BSX BOSTON SCIENTIFIC CORP | Healthcare | 83.4K | $5.2M | 1.5% | New |
| GLNG GOLAR LNG LTD | Industrials | 78.2K | $4.2M | 1.2% | Held |
| COST COSTCO WHOLESALE CORP | Consumer discretionary | 3.4K | $3.4M | 1.0% | -0.6% |
| CVX CHEVRON CORP | Energy | 15.2K | $3.1M | 0.9% | Held |
| 2655007D WISE PLC - A | — | 230.0K | $2.7M | 0.8% | Held |
| JPM JPMORGAN CHASE & CO | Financials | 8.6K | $2.5M | 0.7% | -0.4% |
| CMI CUMMINS INC | Industrials | 4.5K | $2.4M | 0.7% | -2.1% |
| SNEX STONEX GROUP INC | Financials | 29.5K | $2.4M | 0.7% | +50.0% |
| EMR EMERSON ELECTRIC CO | Industrials | 16.6K | $2.2M | 0.6% | +7.8% |
| ADP AUTOMATIC DATA PROCESSING | Technology | 9.6K | $2.0M | 0.6% | -35.9% |
| WM WASTE MANAGEMENT INC | Utilities | 8.2K | $1.9M | 0.5% | Held |
| ABBV ABBVIE INC | Healthcare | 8.6K | $1.9M | 0.5% | -1.8% |
| GWW WW GRAINGER INC | Consumer discretionary | 1.7K | $1.8M | 0.5% | -1.8% |
| KO COCA-COLA CO/THE | Consumer staples | 22.9K | $1.7M | 0.5% | Held |
| CNSWF CONSTELLATION SOFTWARE INC | — | 963 | $1.7M | 0.5% | +1.8% |
| JNJ JOHNSON & JOHNSON | Healthcare | 6.3K | $1.5M | 0.4% | Held |
| BSM BLACK STONE MINERALS LP | Energy | 100.0K | $1.5M | 0.4% | Held |
| TLN TALEN ENERGY CORP | Utilities | 4.5K | $1.5M | 0.4% | -59.0% |
| EBAY EBAY INC | Services media | 15.3K | $1.4M | 0.4% | +1.0% |
| GOOGL ALPHABET INC-CL A | Technology | 4.5K | $1.3M | 0.4% | -1.5% |
| BG BUNGE GLOBAL SA | Consumer staples | 8.8K | $1.1M | 0.3% | -4.4% |
| ABT ABBOTT LABORATORIES | Healthcare | 10.3K | $1.1M | 0.3% | Held |
| SKY CHAMPION HOMES INC | Other | 13.8K | $1.0M | 0.3% | +3.8% |
| CCJ CAMECO CORP | Materials | 9.2K | $999K | 0.3% | -36.1% |
| RGR STURM RUGER & CO INC | Industrials | 24.0K | $962K | 0.3% | +71.4% |
| AVGO BROADCOM INC | Technology | 2.9K | $894K | 0.3% | Held |
| AXON AXON ENTERPRISE INC | Industrials | 2.0K | $866K | 0.2% | Held |
| TECK TECK RESOURCES LTD-CLS B | Materials | 16.7K | $864K | 0.2% | +1.5% |
| ECL ECOLAB INC | Other | 3.2K | $850K | 0.2% | Held |
| LLY ELI LILLY & CO | Healthcare | 900 | $828K | 0.2% | Held |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 6, 2026 | 193 | $353.3M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 5, 2026 | 198 | $336.8M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 10, 2025 | 186 | $325.2M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 6, 2025 | 198 | $305.7M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 12, 2025 | 197 | $298.1M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 3, 2025 | 203 | $308.0M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 15, 2024 | 211 | $321.1M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 12, 2024 | 214 | $315.8M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 2, 2024 | 207 | $304.1M | canonical | SEC ↗ |
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