13F
中
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Charter Oak Capital Management, LLC

13F equity value
$1.3B
Positions
208
Top 10 concentration
76.6%
Quarters / total new picks
18 / 289
13F equity value over time
$0M$656M$1B2020202120222023202420252026

"13F equity value" = market value of this filer's US-listed long equity positions only. It excludes cash, bonds, non-US and short positions, so it understates a fund's true assets under management — often by a lot.

Not significant Verdict

13F holdings are disclosed ~45 days after quarter-end, and they never reveal when within the quarter a fund actually bought. So any 13F-based summary is structurally late and blurred — this applies to every fund, including this one.

We backtested copying it anyway. Buying this fund's new positions the day each filing went public, over 18 quarters, returned +1.5% per quarter — versus +0.8% per quarter from simply owning every 13F stock. It beat that baseline in only 55.6% of quarters (excess t = 0.94, not statistically significant). Its filings tell you what it bought — not what you should buy.

Avg 2Q excess
+2.5%
t-stat
0.94
Quarterly win rate
56%
Annualized excess
+2.2%
$1 → follow vs universe
$1.21 vs $1.10
Cumulative return: $1 invested in new picks vs universe
1.00 20210331: universe 1.00920210630: universe 1.09020210930: universe 0.97820211231: universe 0.83220220331: universe 0.89420220630: universe 0.82820221231: universe 0.76920230331: universe 0.81020230630: universe 0.78120231231: universe 0.81620240331: universe 0.83420240630: universe 0.91020240930: universe 0.90220241231: universe 0.84220250331: universe 0.91820250630: universe 0.94720250930: universe 1.06520251231: universe 1.102 20210331: follow 1.05920210630: follow 1.11820210930: follow 0.98420211231: follow 0.83320220331: follow 0.87320220630: follow 0.76820221231: follow 0.72520230331: follow 0.79020230630: follow 0.83520231231: follow 0.88020240331: follow 0.93620240630: follow 0.98320240930: follow 0.97720241231: follow 0.98320250331: follow 0.98320250630: follow 1.06320250930: follow 1.27520251231: follow 1.214 0.67 1.02 1.38 20212022202320242025 Follow Universe

Quarterly compounding, invested quarters only · entry 47 days after quarter-end (when 13F data becomes public)

Listed as facts. See the verdict above before treating this as signal.

Top 20 holdings of 208 · 2026 Q1

Ticker Value Weight QoQ
IVV $317M
24.6%
HOLD
AGG $188M
14.6%
ADD
VXUS $129M
10.0%
HOLD
IGIB $85M
6.6%
ADD
VXF $72M
5.6%
HOLD
BSV $55M
4.3%
TRIM
VUSB $43M
3.4%
ADD
VEU $36M
2.8%
TRIM
IXUS $34M
2.6%
TRIM
VOO $28M
2.2%
TRIM
AAPL $20M
1.5%
TRIM
IGSB $12M
0.9%
TRIM
VSGX $11M
0.9%
HOLD
ACWI $11M
0.9%
HOLD
SUSA $10M
0.8%
ADD
IUSV $10M
0.7%
ADD
ACWX $9M
0.7%
TRIM
IVW $8M
0.6%
HOLD
BND $7M
0.6%
TRIM
NUBD $6M
0.5%
HOLD

QoQ vs previous quarter's share count · NEW = new position · ADD/TRIM = ±2% shares · HOLD = unchanged.

Listed as facts. See the verdict above before treating this as signal.

New positions in 2026 Q1

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Method & Limitations

Method: a "new position" = held this quarter, absent last quarter (options excluded; stocks with <50 prior holders excluded to filter spin-off artifacts). Entry 47 days after quarter-end — the first day the public could act on the filing. Benchmark = equal-weighted universe of all 13F-held stocks. Limitations: quarterly snapshots can't see intra-quarter trades; survivorship bias — funds that shut down are absent, which flatters the sample. Statistics, not advice.