Charter Oak Advisors LP
Long book
$165.0M
Q1 2026
Positions
13
Top-10 weight
97%
concentration
Last quarter
+5.2%
SPY +14.8%
Turnover
14%
of book per quarter
Strategy in plain words
auto-generated from filingsCharter Oak Advisors LP is a concentrated fundamental stock-picker, running a $165.0M US long book across 13 positions.
The portfolio is extremely concentrated — the top 10 positions are almost the whole book. Turnover is modest: positions are typically held for years. Current anchor positions: TALEN ENERGY CORP, MODINE MANUFACTURING CO, SONOCO PRODUCTS CO, GOLAR LNG LTD, CLEAN HARBORS INC.
Over the last 6 quarters its long book ran on average 2.4pp per quarter ahead of the S&P 500, beating the index in 3 of 6 quarters. We rate its filings highest-signal: new buys here are worth attention.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q4 2024
-8.4%
Q1 2025
+19.9%
Q2 2025
+21.4%
Q3 2025
-7.0%
Q4 2025
+11.0%
Q1 2026
+5.2%
Sector allocation
Industrials 34%
Utilities 32%
Other 14%
Services media 8%
Healthcare 8%
Financials 1%
Energy 1%
Long book by quarter
What does Charter Oak own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| TLN TALEN ENERGY CORP | Utilities | 109.9K | $35.1M | 21.3% | +29.0% |
| MOD MODINE MANUFACTURING CO | Industrials | 129.6K | $28.1M | 17.0% | +787.0% |
| SON SONOCO PRODUCTS CO | Other | 437.3K | $23.7M | 14.3% | +14.9% |
| GLNG GOLAR LNG LTD | Industrials | 365.0K | $19.8M | 12.0% | +55.4% |
| CLH CLEAN HARBORS INC | Utilities | 63.2K | $18.1M | 11.0% | +4.2% |
| AER AERCAP HOLDINGS NV | Services media | 100.4K | $13.8M | 8.3% | New |
| COO COOPER COS INC/THE | Healthcare | 190.0K | $13.6M | 8.2% | +147.6% |
| KBR KBR INC | Industrials | 77.1K | $2.8M | 1.7% | -11.9% |
| ICE INTERCONTINENTAL EXCHANGE IN | Financials | 15.6K | $2.4M | 1.5% | -59.8% |
| PNR PENTAIR PLC | Industrials | 28.0K | $2.4M | 1.5% | -42.1% |
| CR CRANE CO | Industrials | 12.5K | $2.1M | 1.3% | -56.3% |
| VVV VALVOLINE INC | Energy | 46.2K | $1.6M | 0.9% | -60.6% |
| ATMU ATMUS FILTRATION TECHNOLOGIE | Industrials | 26.5K | $1.5M | 0.9% | -60.2% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 14, 2026 | 13 | $165.0M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 13, 2026 | 13 | $119.0M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 13, 2025 | 13 | $278.7M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 13, 2025 | 15 | $224.4M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 13, 2025 | 14 | $140.2M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 13, 2025 | 16 | $174.5M | canonical | SEC ↗ |
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