Charter Oak Advisors LP

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 13, 2026), Charter Oak Advisors LP reported 13 stock positions worth $172.5 million. Its top holding was Talen Energy (TLN) at 23.9% of the portfolio, followed by Modine Manufacturing (MOD, 18.8%) and Sonoco Products (SON, 13.5%). Compared with Q1 2026, it opened 1 new position, sold out of 1, added to 1 and reduced 6. The biggest buy was a new position in Regal Rexnord (RRX) and the biggest sale an exit from Clean Harbors (CLH).

Most Recent 13F
Q2 2026
Location
NEW YORK CITY, NY
CIK
0002022905
Portfolio Value
$172.5M (Q2 2026)
SEC Filing
0001420506-26-001577 ↗ filed Aug 13, 2026

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 Q2 2025 Q3 2025: $178.3M Q3 2025 Q4 2025: $119.0M Q4 2025 Q1 2026: $165.0M Q1 2026 Q2 2026: $172.5M $172.5M Q2 2026

Holdings 13 stocks · $172.5M
TLN Talen Energy Corp. 23.91% 107,331 $41.2M Reduce -2.4%
MOD Modine Manufacturing Co. 18.83% 121,642 $32.5M Reduce -6.2%
SON Sonoco Products Co. 13.51% 413,487 $23.3M Reduce -5.4%
AER Aercap Holdings NV 11.66% 137,968 $20.1M Add +37.4%
GLNG Golar LNG Ltd. 9.84% 340,599 $17.0M Reduce -6.7%
RRX Regal Rexnord Corp. 8.65% 62,628 $14.9M New
COO The Cooper Cos Inc. 7.36% 177,131 $12.7M Reduce -6.8%
CR Crane Co. 1.61% 12,478 $2.8M No change
PNR Pentair PLC 1.24% 27,976 $2.1M No change
ICE Intercontinental Exchange Inc. 1.11% 15,567 $1.9M No change
VVV Valvoline Inc. 1.06% 46,171 $1.8M No change
ATMU Atmus Filtration Technologie 0.78% 26,464 $1.3M No change
KBR KBR Inc. 0.42% 20,921 $722K Reduce -72.9%

Options reported separately and not counted above: SOXX puts ($9.3M).

Portfolio Sells Q1 2026 → Q2 2026
CLH Clean Harbors Inc. Sold out 0.00% −10.99
GLNG Golar LNG Ltd. Reduce -6.7% 9.84% −2.13
KBR KBR Inc. Reduce -72.9% 0.42% −1.30
COO The Cooper Cos Inc. Reduce -6.8% 7.36% −0.87
SON Sonoco Products Co. Reduce -5.4% 13.51% −0.83
MOD Modine Manufacturing Co. Reduce -6.2% 18.83% +1.81
TLN Talen Energy Corp. Reduce -2.4% 23.91% +2.64

Portfolio Buys Q1 2026 → Q2 2026
RRX Regal Rexnord Corp. New 8.65% +8.65
AER Aercap Holdings NV Add +37.4% 11.66% +3.31

Options Activity Q1 2026 → Q2 2026
SOXX iShares Semiconductor ETF put New 14,500 $9.3M

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