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Charter Oak Advisors LP

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13F filer, CIK 2022905, NEW YORK CITY, NY

Charter Oak Advisors LP reported $164,999,132 across 13 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-14. Its ten largest share positions make up 96.85% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001420506-26-000997

Period
2026-03-31
Reported value
$165M
Holdings
13
Top 10 weight
96.85%
New
1
Sold out
1

Largest buys vs the previous quarter

SecurityShares changeApprox. value
MODadded+115,026$24.9M
AERnew+100,426$13.8M
COOadded+113,293$8.1M
TLNadded+24,687$7.88M
GLNGadded+130,100$7.04M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
GLWexited-139,924-$12.3M
ICEreduced-23,153-$3.64M
CRreduced-16,057-$2.75M
VVVreduced-71,000-$2.39M
ATMUreduced-40,000-$2.27M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2026

Share positions as resolved from 13F-HR 0001420506-26-000997, largest first. % of portfolio is the value over $164,999,132, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
TLNTALEN ENERGY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 108,002 shares; 2025Q1: 187,233 shares; 2025Q2: 187,233 shares; 2025Q3: 236,580 shares; 2025Q4: 85,244 shares; 2026Q1: 109,931 shares 109,931$35.1M21.27%+24,687Timeline
MODMODINE MFG COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 53,011 shares; 2025Q1: 14,616 shares; 2025Q2: 14,616 shares; 2025Q3: 14,616 shares; 2025Q4: 14,616 shares; 2026Q1: 129,642 shares 129,642$28.1M17.03%+115,026Timeline
SONSONOCO PRODS COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 380,677 shares; 2026Q1: 437,287 shares 437,287$23.7M14.34%+56,610Timeline
GLNGGOLAR LNG LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 189,410 shares; 2025Q1: 262,899 shares; 2025Q2: 262,899 shares; 2025Q3: 262,899 shares; 2025Q4: 234,899 shares; 2026Q1: 364,999 shares 364,999$19.8M11.97%+130,100Timeline
CLHCLEAN HARBORS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 66,359 shares; 2025Q1: 64,586 shares; 2025Q2: 64,586 shares; 2025Q3: 64,586 shares; 2025Q4: 60,686 shares; 2026Q1: 63,214 shares 63,214$18.1M10.99%+2,528Timeline
AERAERCAP HOLDINGS NVQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 100,426 shares 100,426$13.8M8.35%newTimeline
COOCOOPER COS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 76,738 shares; 2026Q1: 190,031 shares 190,031$13.6M8.23%+113,293Timeline
KBRKBR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 463,592 shares; 2025Q1: 302,646 shares; 2025Q2: 247,531 shares; 2025Q3: 91,551 shares; 2025Q4: 87,521 shares; 2026Q1: 77,121 shares 77,121$2.84M1.72%-10,400Timeline
ICEINTERCONTINENTAL EXCHANGE INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 107,090 shares; 2025Q1: 28,680 shares; 2025Q2: 28,680 shares; 2025Q3: 28,680 shares; 2025Q4: 38,720 shares; 2026Q1: 15,567 shares 15,567$2.45M1.48%-23,153Timeline
PNRPENTAIR PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 132,353 shares; 2025Q1: 48,318 shares; 2025Q2: 48,318 shares; 2025Q3: 48,318 shares; 2025Q4: 48,318 shares; 2026Q1: 27,976 shares 27,976$2.44M1.48%-20,342Timeline
CRCRANE COMPANYQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 28,535 shares; 2025Q1: 28,535 shares; 2025Q2: 28,535 shares; 2025Q3: 28,535 shares; 2025Q4: 28,535 shares; 2026Q1: 12,478 shares 12,478$2.13M1.29%-16,057Timeline
VVVVALVOLINE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 323,458 shares; 2025Q1: 117,171 shares; 2025Q2: 117,171 shares; 2025Q3: 117,171 shares; 2025Q4: 117,171 shares; 2026Q1: 46,171 shares 46,171$1.56M0.94%-71,000Timeline
ATMUATMUS FILTRATION TECHNOLOGIEQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 66,464 shares; 2025Q1: 66,464 shares; 2025Q2: 66,464 shares; 2025Q3: 66,464 shares; 2025Q4: 66,464 shares; 2026Q1: 26,464 shares 26,464$1.5M0.91%-40,000Timeline

Sold out in Q1 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
GLWCORNING INC139,924$12.3Mshares

How Q1 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001420506-26-000997 base2026-05-14acceptance time not in the bulk data set