Stocks/Funds/CIK 1800938

One Charles Private Wealth Services, LLC

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1800938
Assets
$399M
+29.1% YoY
Holdings
157
Lifetime alpha vs market
+4.00% annual
Average hold time
3.6 yr
median 4.0 yr

Quarterly history

Cum return +135% vs S&P +92% · α +44% lifetimeAUM $399M · peak $399MFlow $-45M (-12%)2019-122020-122021-122022-122023-122024-122025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+0.37%
adds when stocks drop
when a holding falls −10%+
Middle response
+1.54%
steady accumulation
Rally response
-0.31%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
BRK-BBerkshire Hathaway Inc.$46M11.6%5.5 yr
TPLTexas Pacific Land Corpo$36M9.0%+8.1%5.3 yr
INFLHorizon Kinetics Inflati$26M6.5%5.3 yr
VTVVanguard Value ETF$20M4.9%6.5 yr
LBLandBridge Company LLC$16M4.1%-3.4%1.5 yr
VUGVanguard Growth ETF$15M3.9%6.3 yr
JAAAJanus Henderson AAA CLO $15M3.8%2.0 yr
GBTCGrayscale Bitcoin Trust $15M3.7%2.3 yr
SAMTStrategas Macro Thematic$12M3.0%0.8 yr
JSIJanus Henderson Securiti$9M2.3%1.3 yr
XLKState Street Technology $9M2.2%5.8 yr
SCHGSchwab U.S. Large-Cap Gr$8M2.0%1.0 yr
AAPLApple Inc.$8M1.9%+14.7%6.5 yr
TXUEThornburg International $7M1.7%1.0 yr
SCHBSchwab U.S. Broad Market$6M1.4%1.0 yr

Portfolio composition (YoY)

Industry mix
Asset Management50.2%+10.2pp$200M
Insurance - Diversified11.6%-4.0pp$46M
Oil & Gas Exploration & Production9.1%-2.1pp$36M
Asset Management - Cryptocurrency4.4%-2.7pp$17M
Oil & Gas Equipment & Services4.1%+1.2pp$16M
Semiconductors2.5%+1.2pp$10M
Asset Management - Income2.4%+1.1pp$9M
Oil & Gas Midstream2.1%+0.3pp$8M
Consumer Electronics1.9%-0.3pp$8M
Banks - Diversified1.6%-0.2pp$6M
Country
US99.9%-0.0pp
Unknown0.1%+0.0pp
Top 5: 36.1% · Top 10: 52.8% · Top 25: 72.2%

Winners

TickerPrev $PnLYoY %
NVDA$2M+0.00B60.9%
AAPL$7M+0.00B14.7%
TPL$34M+0.00B8.1%
RTX$2M+0.00B48.1%
JPM$3M+0.00B21.8%

Losers

TickerPrev $PnLYoY %
ACVA$14M-0.01B-69.9%
LB$9M-0.00B-3.4%

Top buys this quarter · 15

BAC Bank of America Corporation+$0M
GS The Goldman Sachs Group, Inc.+$0M
NVDA NVIDIA Corporation+$4M
SPY State Street SPDR S&P 500 ETF +$2M
MRK Merck & Co., Inc.+$0M
RTX RTX Corporation+$0M
MPLX MPLX Lp+$0M
CVX Chevron Corporation+$0M
PG The Procter & Gamble Company+$0M
AAPL Apple Inc.+$8M

Top sells this quarter · 15

CFLT Confluent, Inc.exit$1M
VRTX Vertex Pharmaceuticals Incorpoexit$0M
TPL Texas Pacific Land Corporation$22M
ROST Ross Stores, Inc.$0M
BLK BlackRock, Inc.exit$0M
UNH UnitedHealth Group Incorporateexit$0M
WFC Wells Fargo & Companyexit$0M
AXP American Express Companyexit$0M
FICO Fair Isaac Corporationexit$0M
AMZN Amazon.com, Inc.$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$399M157+13.95%+17.59%-3.64%-0.05B
2025-12-31$386M169-8.41%+17.72%-26.13%+0.01B
2025-09-30$380M166-0.96%+17.52%-18.48%+0.04B
2025-06-30$356M162+13.41%+14.94%-1.53%+0.03B
2025-03-31$309M145+12.06%+8.30%+3.76%+0.03B
2024-12-31$297M154+37.08%+24.89%+12.20%+0.02B
2024-09-30$263M153+35.03%+36.04%-1.00%-0.00B
2024-06-30$240M148+14.32%+24.49%-10.17%+0.00B
2024-03-31$230M144+27.86%+29.62%-1.76%+0.02B
2023-12-31$189M138+33.96%+26.18%+7.78%+0.01B
2023-09-30$171M125+39.50%+21.57%+17.93%+0.01B
2023-06-30$172M124+47.45%+19.42%+28.02%-0.01B
2023-03-31$161M118-8.11%-7.82%-0.30%-0.02B
2022-12-31$154M114-25.99%-18.17%-7.81%-0.01B
2022-09-30$151M115-24.98%-15.51%-9.47%+0.01B
2022-06-30$148M116-22.96%-10.62%-12.34%+0.03B