Charter Oak Advisors LP

Fundamental concentrated ★Highest signal CIK 2022905
League rank
#863
in Fundamental concentrated · #7020 overall
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 filings

Charter 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

$156.3M
Q4 2024
$140.2M
Q1 2025
$162.6M
Q2 2025
$178.8M
Q3 2025
$119.0M
Q4 2025
$165.0M
Q1 2026

What does Charter Oak own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
TLN TALEN ENERGY CORPUtilities109.9K$35.1M21.3%+29.0%
MOD MODINE MANUFACTURING COIndustrials129.6K$28.1M17.0%+787.0%
SON SONOCO PRODUCTS COOther437.3K$23.7M14.3%+14.9%
GLNG GOLAR LNG LTDIndustrials365.0K$19.8M12.0%+55.4%
CLH CLEAN HARBORS INCUtilities63.2K$18.1M11.0%+4.2%
AER AERCAP HOLDINGS NVServices media100.4K$13.8M8.3%New
COO COOPER COS INC/THEHealthcare190.0K$13.6M8.2%+147.6%
KBR KBR INCIndustrials77.1K$2.8M1.7%-11.9%
ICE INTERCONTINENTAL EXCHANGE INFinancials15.6K$2.4M1.5%-59.8%
PNR PENTAIR PLCIndustrials28.0K$2.4M1.5%-42.1%
CR CRANE COIndustrials12.5K$2.1M1.3%-56.3%
VVV VALVOLINE INCEnergy46.2K$1.6M0.9%-60.6%
ATMU ATMUS FILTRATION TECHNOLOGIEIndustrials26.5K$1.5M0.9%-60.2%

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 14, 202613$165.0M canonicalSEC ↗
Q4 202513F-HRFeb 13, 202613$119.0M canonicalSEC ↗
Q3 202513F-HRNov 13, 202513$278.7M canonicalSEC ↗
Q2 202513F-HRAug 13, 202515$224.4M canonicalSEC ↗
Q1 202513F-HRMay 13, 202514$140.2M canonicalSEC ↗
Q4 202413F-HRFeb 13, 202516$174.5M canonicalSEC ↗