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Super Investors Charter Oak Advisors LP
CO

Charter Oak Advisors LP

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$182M
Positions
14
Quarter ended
June 30, 2026
Filed
August 13, 2026

Reported portfolio value by quarter (7 quarters reported)

$279M $119M
Q4 24 Q2 25 Q4 25 Q2 26

$175M in Q4 2024 → $182M now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Talen Energy Corp 22.7% Trimmed 2.4% 107,331 $41.2M
MM Modine Mfg Co 17.9% Trimmed 6.2% 121,642 $32.5M
SP Sonoco Prods Co 12.8% Trimmed 5.4% 413,487 $23.3M
AH Aercap Holdings Nv 11.1% Added 37% 137,968 $20.1M
Golar Lng Ltd 9.3% Trimmed 6.7% 340,599 $17M
Regal Rexnord Corporation 8.2% New 62,628 $14.9M
CC Cooper Cos Inc 7.0% Trimmed 6.8% 177,131 $12.7M
IT Ishares Tr Put 5.1% New 14,500 $9.29M
Crane Company 1.5% Unchanged 12,478 $2.78M
Pentair PLC 1.2% Unchanged 27,976 $2.14M
IE Intercontinental Exchange In 1.1% Unchanged 15,567 $1.92M
Valvoline Inc 1.0% Unchanged 46,171 $1.83M
AF Atmus Filtration Technologie 0.7% Unchanged 26,464 $1.35M
Kbr Inc 0.4% Trimmed 73% 20,921 $722K

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 6 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 13, 2026

Company Action Shares changed Value of change % of portfolio
Clean Harbors Inc Exited −63,214 −$18.1M —
Regal Rexnord Corporation New +62,628 +$14.9M 8.2%
IT Ishares Tr New +14,500 +$9.29M 5.1%
AH Aercap Holdings Nv Added +37,542 +$5.47M 11.1%
MM Modine Mfg Co Trimmed −8,000 −$2.14M 17.9%
Kbr Inc Trimmed −56,200 −$1.94M 0.4%
SP Sonoco Prods Co Trimmed −23,800 −$1.34M 12.8%
Golar Lng Ltd Trimmed −24,400 −$1.22M 9.3%
Talen Energy Corp Trimmed −2,600 −$999K 22.7%
CC Cooper Cos Inc Trimmed −12,900 −$925K 7.0%

Q1 2026

quarter ended March 31, 2026 · filed May 14, 2026

Company Action Shares changed Value of change % of portfolio
MM Modine Mfg Co Added +115,026 +$24.9M 17.0%
AH Aercap Holdings Nv New +100,426 +$13.8M 8.3%
Corning Inc Exited −139,924 −$12.3M —
CC Cooper Cos Inc Added +113,293 +$8.1M 8.2%
Talen Energy Corp Added +24,687 +$7.88M 21.3%
Golar Lng Ltd Added +130,100 +$7.04M 12.0%
IE Intercontinental Exchange In Trimmed −23,153 −$3.64M 1.5%
SP Sonoco Prods Co Added +56,610 +$3.06M 14.3%
Crane Company Trimmed −16,057 −$2.75M 1.3%
Valvoline Inc Trimmed −71,000 −$2.39M 0.9%

Showing the 10 largest of 14 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 13, 2026

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr Exited −150,000 −$99.9M —
Talen Energy Corp Trimmed −151,336 −$56.7M 26.9%
SP Sonoco Prods Co New +380,677 +$16.6M 14.0%
Corning Inc Trimmed −139,924 −$12.3M 10.3%
CC Cooper Cos Inc New +76,738 +$6.29M 5.3%
IE Intercontinental Exchange In Added +10,040 +$1.63M 5.3%
Golar Lng Ltd Trimmed −28,000 −$1.04M 7.3%
Clean Harbors Inc Trimmed −3,900 −$914K 12.0%
Eos Energy Enterprises Inc Exited −300,000 −$537K —
Kbr Inc Trimmed −4,030 −$162K 3.0%

Q3 2025

quarter ended September 30, 2025 · filed November 13, 2025

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr Added +50,000 +$33.3M 35.9%
Talen Energy Corp Added +49,347 +$21M 36.1%
Ansys Inc Exited −51,220 −$18M —
Godaddy Inc Exited −76,151 −$13.7M —
Kbr Inc Trimmed −155,980 −$7.38M 1.6%

Q2 2025

quarter ended June 30, 2025 · filed August 13, 2025

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr New +100,000 +$61.8M 27.5%
Kbr Inc Trimmed −55,115 −$2.64M 5.3%

Q1 2025

quarter ended March 31, 2025 · filed May 13, 2025

Company Action Shares changed Value of change % of portfolio
Talen Energy Corp Added +79,231 +$15.8M 26.7%
Godaddy Inc New +76,151 +$13.7M 9.8%
IE Intercontinental Exchange In Trimmed −78,410 −$13.5M 3.5%
ET Energy Transfer L P Exited −667,944 −$13.1M —
Corning Inc New +279,848 +$12.8M 9.1%
Ansys Inc Added +35,801 +$11.3M 11.6%
TP Teva Pharmaceutical Inds Ltd Exited −430,300 −$9.48M —
TP Teva Pharmaceutical Inds Ltd Exited −430,300 −$9.48M —
Clean Harbors Inc Exited −38,000 −$8.75M —
Kbr Inc Trimmed −160,946 −$8.02M 10.7%

Showing the 10 largest of 17 changes.

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