Hedge Fund

DARLINGTON PARTNERS CAPITAL MANAGEMENT, LP

New York, NY SEC Registered Investment Advisor Institutional CIK: 0001854440
13F Score ?
8
3Y · Top 10 · Mgr Wt
13F Score ?
7Y · Top 10 · Mgr Wt
S&P 500 ?
80
Benchmark
$2.23B
AUM
-6.69%
2026 Q1
-22.09%
1-Year Return
+100.00%
Top 10 Concentration
+10.15%
Turnover
-10.96%
AUM Change
Since 2021
First Filing
10
# of Holdings

Fund Overview

13F Filed: 2026-05-15

As of 2026 Q1, Darlington Partners Capital Management, Lp manages $2.23B in reported 13F assets , holds 10 positions with +100.00% top-10 concentration , and delivered a 1-year return of -22.09% on its disclosed equity portfolio. Filing 13F reports since 2021.

About

Investment Strategy

Analytics Summary

Risk Profile

Key Personnel

Andrew S. Shurin — Founder & Managing Partner
David L. Millstone — Partner
Official 13F Filings — SEC EDGAR Key personnel and Fund Overview may contain mistakes

Activity Summary — 2026 Q1

Q1 2026 13F Filed: May 15, 2026

Top Buys

% $
Stock % Impact
+3.35%
+3.01%
TPG TPG INC..
+2.24%
+1.55%

Top Sells

% $
Stock % Impact
Sold All 😨 Was: 4.13% -4.64%
Sold All 😨 Was: 3.78% -4.25%
Sold All 😨 Was: 3.69% -4.15%
Sold All 😨 Was: 2.82% -3.17%
-2.84%
-1.80%

Top Holdings

2026 Q1
Stock %
16.38%
13.10%
12.92%
12.23%
12.07%
9.65%
View All Holdings

Activity Summary

Latest
Market Value $2.23B
AUM Change -10.96%
New Positions 0
Increased Positions 8
Closed Positions 4
Top 10 Concentration +100.00%
Portfolio Turnover +10.15%
Alt Turnover +16.31%

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

DARLINGTON PARTNERS CAPITAL MANAGEMENT, LP 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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Returns
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Latest Quarter
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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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Sortino
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Win Rate
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Payoff Ratio
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: DARLINGTON PARTNERS CAPITAL MANAGEMENT, LP

Replicate top holdings performance • Compare vs benchmarks • Optimize N

Find the best N! Test multiple portfolio sizes at once to discover the optimal configuration.

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

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+127%
Avg. Return

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Underperformance Analysis — Top 10 Holdings vs SPY

Backtesting DARLINGTON PARTNERS CAPITAL MANAGEMENT, LP's top 10 holdings against SPY identified 12 underperformance periods. Worst drawdown: 2025-02 – 2025-11 (-30.5% vs SPY, 10 quarters). Currently underperforming.

Avg. lag: -8.4% vs SPY Avg. duration: 2.8 quarters
Backtest Snapshot — Top 10 Holdings (Mn-Weighted)

The ticker-level breakdown shows how each of DARLINGTON PARTNERS CAPITAL MANAGEMENT, LP'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: TKO (2023 Q3 – 2025 Q4, +12.8 pts), LNG (2021 Q4 – 2025 Q4, +10.3 pts), LPLA (2021 Q4 – 2025 Q4, +8.3 pts), VRRM (2021 Q4 – 2024 Q1, +5.8 pts), BX (2021 Q4 – 2025 Q1, +4.1 pts) .

Strategy ann.: 2.0% SPY ann.: 13.5% Period: 2022–2026
Best Recent Contributors — Last 5Y
2 of 5 recent top contributors lagged SPY, which means even some of this fund's best return drivers still failed to beat a simple index over the same window.
2023 Q3 – 2025 Q4 • 10Q in Top 10 Beat SPY
TKO
+131%
SPY
+70%
Contrib
+12.8%
2021 Q4 – 2025 Q4 • 17Q in Top 10 Beat SPY
LNG
+113%
SPY
+70%
Contrib
+10.3%
2021 Q4 – 2025 Q4 • 17Q in Top 10 Lagged SPY
LPLA
+50%
SPY
+70%
Contrib
+8.3%
2021 Q4 – 2024 Q1 • 10Q in Top 10 Beat SPY
VRRM
+50%
SPY
+23%
Contrib
+5.8%
2021 Q4 – 2025 Q1 • 14Q in Top 10 Lagged SPY
BX
+32%
SPY
+47%
Contrib
+4.1%
Stock return (green = beat SPY)   Stock return (red = lagged SPY)   SPY same period   Cumulative contribution during the last 5 years of the quarterly Mn-weighted Top 10 strategy

Frequently Asked Questions

What does Darlington Partners Capital Management, Lp invest in?
Darlington Partners Capital Management employs a fundamental long/short equity strategy emphasizing concentrated position-taking in high-conviction investment ideas. The firm's approach reflects deep fundamental research aimed at identifying mispriced securities where rigorous analysis can generate differentiated insight. The investment process focuses on bottom-up security selection, with intensive due diligence into business models, competitive dynamics, management quality, and valuation. This fundamental orientation prioritizes understanding company-specific drivers of value creation over macroeconomic forecasting or quantitative factor exposures. Portfolio construction favors concentration over diversification, with meaningful position sizes in highest-conviction ideas rather than broadly distributed exposure across many holdings. This concentrated approach amplifies the impact of successful security selection while requiring rigorous risk management to limit downside from individual position adverse outcomes. The **Sector Allocation History** available through the platform reveals thematic orientations within the portfolio, with consumer and technology sectors representing areas of notable exposure. These sectors offer abundant opportunities for fundamental differentiation, as consumer behavior shifts and technological disruption create valuation dislocations that skilled analysts can exploit. The moderate-to-high turnover profile reflects active portfolio management, with positioning adjusted as investment theses develop, catalysts materialize, and new opportunities emerge. This dynamic approach contrasts with buy-and-hold strategies, emphasizing ongoing portfolio optimization rather than static positioning. The long/short structure—though only long positions are disclosed in 13F filings—provides potential for both directional and hedged return generation. Short positions, not visible in 13F data, complement long holdings by potentially generating returns during market declines and reducing net market exposure.
What is Darlington Partners Capital Management, Lp's AUM?
Darlington Partners Capital Management, Lp reported $2.23B in 13F assets as of 2026 Q1. Note: 13F AUM reflects only long equity positions reported to the SEC and may differ from total assets under management.
How concentrated is Darlington Partners Capital Management, Lp's portfolio?
Darlington Partners Capital Management, Lp holds 10 disclosed positions. The top 10 holdings represent +100.00% of the reported portfolio, indicating a highly concentrated investment approach.
How to track Darlington Partners Capital Management, Lp 13F filings?
Track Darlington Partners Capital Management, Lp's quarterly filings on SEC EDGAR or on this page — data is updated within days of each filing deadline. Subscribe to 13Foresight for position-change alerts.
Who manages Darlington Partners Capital Management, Lp?
Darlington Partners Capital Management, Lp is managed by Andrew S. Shurin (Founder & Managing Partner), David L. Millstone (Partner).

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.

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