Hedge Fund

GREENLEA LANE CAPITAL MANAGEMENT, LLC

Greenwich, CT SEC Registered Investment Advisor Institutional CIK: 0001766504
13F Score
21
3-Year
13F Score
28
7-Year
S&P 500
80
Benchmark
$343M
AUM
-2.26%
2025 Q4
-5.90%
1-Year Return
+100.00%
Top 10 Concentration
+4.34%
Turnover
-0.09%
AUM Change
Since 2018
First Filing
8
# of Holdings

Fund Overview

About
Investment Strategy
Analytics Summary
Risk Profile
Key Personnel
Jeffrey Moskowitz — Managing Partner & Chief Investment Officer

Activity Summary — 2025 Q4

Q4 2025 13F Filed: Feb 17, 2026

Top Buys

% $
Stock % Impact
MKL MARKEL GROUP IN.. +1.84%
GOOGL ALPHABET INC.. +1.81%
AMZN AMAZON COM INC.. +0.68%
BRK/A BERKSHIRE HATHA.. +0.01%

Top Sells

% $
Stock % Impact
TSLA TESLA INC.. -2.15%
TRUP TRUPANION INC.. -1.18%
BUR BURFORD CAP LTD.. -0.97%
BN BROOKFIELD CORP.. -0.13%

Top Holdings

2025 Q4
Stock %
AMZN Amazon Com I.. 21.31%
BN Brookfield C.. 18.93%
BRK/A Berkshire Ha.. 14.76%
MKL Markel Group.. 14.37%
GOOGL Alphabet Inc.. 9.24%
TRUP Trupanion In.. 8.47%
View All Holdings

Activity Summary

Latest
Market Value $343M
AUM Change -0.09%
New Positions 0
Increased Positions 3
Closed Positions 0
Top 10 Concentration +100.00%
Portfolio Turnover +4.34%
Alt Turnover +4.39%

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

GREENLEA LANE CAPITAL MANAGEMENT, 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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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
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: GREENLEA LANE CAPITAL MANAGEMENT, LLC

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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Backtests Run
+127%
Avg. Return

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Underperformance Analysis — Top 10 Holdings vs SPY

Backtesting GREENLEA LANE CAPITAL MANAGEMENT, LLC's top 10 holdings against SPY identified 18 underperformance periods. Worst drawdown: 2020-10 – 2021-03 (-34.3% vs SPY, 6 quarters). Currently underperforming.

Avg. lag: -10.0% vs SPY Avg. duration: 2.4 quarters
Backtest Snapshot — Top 10 Holdings (Mn-Weighted)

The ticker-level breakdown shows how each of GREENLEA LANE CAPITAL MANAGEMENT, 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: AMZN (2021 Q1 – 2025 Q3, +13.9 pts), GOOGL (2021 Q1 – 2025 Q3, +8.4 pts), MNDY (2022 Q1 – 2024 Q1, +6.8 pts), SHOP (2022 Q1 – 2024 Q1, +6.7 pts), BN (2022 Q4 – 2025 Q3, +6.1 pts) .

Strategy ann.: 8.2% SPY ann.: 16.0% Period: 2019–2026
Best Recent Contributors — Last 5Y
2021 Q1 – 2025 Q3 • 19Q in Top 10
AMZN
+26%
SPY
+63%
Contrib
+13.9%
2021 Q1 – 2025 Q3 • 19Q in Top 10
GOOGL
+163%
SPY
+63%
Contrib
+8.4%
2022 Q1 – 2024 Q1 • 9Q in Top 10
MNDY
+147%
SPY
+41%
Contrib
+6.8%
2022 Q1 – 2024 Q1 • 9Q in Top 10
SHOP
+99%
SPY
+41%
Contrib
+6.7%
2022 Q4 – 2025 Q3 • 11Q in Top 10
BN
+30%
SPY
+65%
Contrib
+6.1%
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.