Family Office

Custos Family Office, LLC

Dallas, TX SEC Registered Investment Advisor Family CIK: 0001904423
13F Score
51
3-Year
13F Score
7-Year
S&P 500
80
Benchmark
$147M
AUM
+5.92%
2025 Q4
+17.86%
1-Year Return
+70.28%
Top 10 Concentration
+1.46%
Turnover
-17.20%
AUM Change
Since 2021
First Filing
65
# of Holdings

Fund Overview

About
Investment Strategy
Analytics Summary
Risk Profile
Key Personnel
William Custos — Principal & Chief Investment Officer
Elizabeth Custos-Harrington — Managing Director

Activity Summary — 2025 Q4

Q4 2025 13F Filed: Feb 17, 2026

Top Buys

% $
Stock % Impact
VOO VANGUARD INDEX .. +0.35%
AAPL APPLE INC.. +0.20%
MRK MERCK & CO INC.. +0.15%
STX SEAGATE TECHNOL.. +0.15%
GOOGL ALPHABET INC.. +0.11%
GOOG ALPHABET INC.. +0.06%

Top Sells

% $
Stock % Impact
SPY SPDR S&P 500 ET.. -5.72%
VWO VANGUARD INTL E.. -1.86%
TLT ISHARES TR.. -1.55%
QQQ INVESCO QQQ TR.. -1.43%
IEMG ISHARES INC.. -1.41%
IVV ISHARES TR.. -1.23%

Top Holdings

2025 Q4
Stock %
IVV Ishares Tr..
ETF
21.10%
VWO Vanguard Int..
ETF
8.41%
DGRO Ishares Tr..
Warrant
6.34%
FVAL Fidelity Cov..
ETF
6.31%
USMV Ishares Tr..
ETF
5.64%
IEFA Ishares Tr..
ETF
5.45%
View All Holdings

Activity Summary

Latest
Market Value $147M
AUM Change -17.20%
New Positions 3
Increased Positions 17
Closed Positions 8
Top 10 Concentration +70.28%
Portfolio Turnover +1.46%
Alt Turnover +11.84%

Sector Allocation Trends

Quarterly History
Free View: Last 10 Quarters. Subscribe to see full history

Holdings Analysis

Size: % of Portfolio Color: Last Full-Quarter Return No data
Free: 10 quarters

Positions Dynamics

Visualizing Top 20 holdings weight history over the last 10 quarters.

Portfolio Analytics — Latest

Custos Family Office, LLC risk dashboard covering volatility, beta, value-at-risk, drawdowns, concentration, factor tilts, benchmark comparison, and stress testing for the latest disclosed portfolio.

Risk access
Building institutional risk profile...
Guru Intelligence Hub Pro
Real-time Analytics
High-Conviction Alpha
AAPL 92.4
NVDA 88.1
MSFT 74.3
Strategy Guardian
Style Drift 0.12
Sector Rotation 0.38

Tracking institutional benchmark deviation

Scenario Lab
2008 GFC -32.4%
Covid-19 -18.1%
2022 Bear -24.7%
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Real conviction scores for every holding  ·  Strategy Guardian alerts  ·  Live Scenario Lab stress tests
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Best Strategy vs. Benchmarks

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NT
Returns
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1-Year Return
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Ann. Return
Risk
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Std Deviation
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Max Drawdown
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Beta vs SPY
Quality
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Sharpe
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Win Rate
Edge Metrics Last 10 quarters only
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Alpha annualized
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Up Capture
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Down Capture

Strategy Backtester: Custos Family Office, LLC

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Risk insights! Identify periods when the fund lagged the benchmark – critical for timing entries.

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Underperformance Analysis — Top 10 Holdings vs SPY

Backtesting Custos Family Office, LLC's top 10 holdings against SPY identified 8 underperformance periods. Worst drawdown: 2022-07 – 2022-10 (-8.8% vs SPY, 4 quarters).

Avg. lag: -4.9% vs SPY Avg. duration: 3.2 quarters
Backtest Snapshot — Top 10 Holdings (Mn-Weighted)

The ticker-level breakdown shows how each of Custos Family Office, LLC's top holdings contributed to portfolio returns quarter by quarter. Strongest recent contributors inside the last 5 years of the quarterly Top 10 backtest window: IVV (2021 Q4 – 2025 Q3, +12.9 pts), FVAL (2023 Q3 – 2025 Q3, +4.6 pts), DGRO (2021 Q4 – 2025 Q3, +4.2 pts), IEFA (2023 Q3 – 2025 Q3, +4.1 pts), IEMG (2021 Q4 – 2025 Q3, +3.8 pts) .

Strategy ann.: 9.7% SPY ann.: 12.7% Period: 2022–2026
Best Recent Contributors — Last 5Y
2021 Q4 – 2025 Q3 • 16Q in Top 10
IVV
+58%
SPY
+58%
Contrib
+12.9%
2023 Q3 – 2025 Q3 • 9Q in Top 10
FVAL
+62%
SPY
+67%
Contrib
+4.6%
2021 Q4 – 2025 Q3 • 16Q in Top 10
DGRO
+48%
SPY
+58%
Contrib
+4.2%
2023 Q3 – 2025 Q3 • 9Q in Top 10
IEFA
+71%
SPY
+67%
Contrib
+4.1%
2021 Q4 – 2025 Q3 • 16Q in Top 10
IEMG
+38%
SPY
+58%
Contrib
+3.8%
Stock return   SPY same period   Cumulative contribution during the last 5 years of the quarterly Mn-weighted Top 10 strategy

Disclaimer: 13Foresight is not a registered investment adviser, broker-dealer, or financial planner. All information on this site is provided solely for informational and educational purposes and does not constitute investment advice, a solicitation, or a recommendation to buy or sell any security. Portfolio backtests shown on this page are hypothetical and simulated — they do not represent actual trading results and were constructed with the benefit of hindsight. Actual results would differ materially. 13F filings disclose only long equity positions valued above $10,000, submitted up to 45 days after quarter-end; they do not capture short positions, options, bonds, cash, private investments, or non-U.S. securities. A fund's backtest performance may not reflect its actual returns, as managers frequently generate alpha through strategies not visible in 13F data. Past performance is not indicative of future results. All data sourced from public SEC EDGAR filings. Use at your own risk. Full Terms of Use.