Charter Oak Advisors LP

In its 13F for Q2 2025 (holdings as of June 30, 2025, filed August 13, 2025), Charter Oak Advisors LP reported 13 stock positions worth $162.4 million. Its top holding was Talen Energy (TLN) at 33.5% of the portfolio, followed by Ansys (ANSS, 11.1%) and Clean Harbors (CLH, 9.2%). Compared with Q1 2025, it reduced 1. The biggest sale was KBR (KBR, shares −18%).

Most Recent 13F
Q2 2026
Location
NEW YORK CITY, NY
CIK
0002022905
Portfolio Value
$162.4M (Q2 2025)
SEC Filing
0001420506-25-001900 ↗ filed Aug 13, 2025

Holdings Value

0$50.0M$100.0M$150.0M$200.0M Q4 2024: $156.3M Q4 2024 Q1 2025: $139.1M Q1 2025 Q2 2025: $162.4M $162.4M Q2 2025 Q3 2025: $178.3M Q3 2025 Q4 2025: $119.0M Q4 2025 Q1 2026: $165.0M Q1 2026 Q2 2026: $172.5M Q2 2026

Holdings 13 stocks · $162.4M
TLN Talen Energy Corp. 33.52% 187,233 $54.4M No change
ANSS Ansys Inc. 11.08% 51,220 $18.0M No change
CLH Clean Harbors Inc. 9.19% 64,586 $14.9M No change
GLW Corning Inc. 9.06% 279,848 $14.7M No change
GDDY GoDaddy Inc. Class A 8.44% 76,151 $13.7M No change
KBR KBR Inc. 7.31% 247,531 $11.9M Reduce -18.2%
GLNG Golar LNG Ltd. 6.67% 262,899 $10.8M No change
CR Crane Co. 3.34% 28,535 $5.4M No change
ICE Intercontinental Exchange Inc. 3.24% 28,680 $5.3M No change
PNR Pentair PLC 3.05% 48,318 $5.0M No change
VVV Valvoline Inc. 2.73% 117,171 $4.4M No change
ATMU Atmus Filtration Technologie 1.49% 66,464 $2.4M No change
MOD Modine Manufacturing Co. 0.89% 14,616 $1.4M No change

Options reported separately and not counted above: SPY puts ($61.8M).

Other holdings (1): bonds, preferreds, convertibles and warrants · $141K (not counted above)
SecurityClassShares / PrincipalValueChange
EOS ENERGY ENTER -CW26 *W EXP 11/17/202 300,000$141KNo change

Total filed on the 13F, all lines: $162.6M.

Portfolio Sells Q1 2025 → Q2 2025
KBR KBR Inc. Reduce -18.2% 7.31% −3.53

Portfolio Buys Q1 2025 → Q2 2025
None this quarter.

Options Activity Q1 2025 → Q2 2025
SPY SS SPDR S&P 500 ETF Trust-US put New 100,000 $61.8M

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 13$172.5MTLN, MOD, SON, AER, GLNG
Q1 2026 13$165.0MTLN, MOD, SON, GLNG, CLH
Q4 2025 13$119.0MTLN, SON, CLH, GLW, GLNG
Q3 2025 11$178.3MTLN, GLW, CLH, GLNG, PNR
Q2 2025 13$162.4MTLN, ANSS, CLH, GLW, GDDY
Q1 2025 13$139.1MTLN, ANSS, KBR, GDDY, GLW
Q4 2024 14$156.3MKBR, TLN, ICE, CLH, PNR