CIK: 0001766504
Total reported value
$344.3M
Reporting period: 2026-03-31 · Number of holdings: 9
GREENLEA LANE CAPITAL MANAGEMENT, LLC disclosed 9 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $344.3M and a quarterly turnover rate of 37.6%.
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Greenlea Lane Capital Management, LLC's disclosed holdings carry a Herfindahl concentration index of 0.128 — mathematically equivalent to about 8 equally-sized positions, close to its 9 actual disclosed holdings. Value is spread relatively evenly across the portfolio rather than concentrated in a handful of names.
Position sizes are fairly uniform across the portfolio (a coefficient of variation of 0.41), suggesting a disciplined, rules-based approach to how much capital goes into each idea.
Recent activity leans toward initiating meaningfully larger new positions than it adds to existing ones (a 9.5 percentage-point tilt) — a pattern consistent with a more contrarian, new-idea-driven approach.
Sector classification currently covers about 70% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.
Trim TRUP
0.0% -$9.1M
Trim BN
-1.5% -$8.5M
Trim AMZN
-1.2% -$7.9M
Trim TSLA
-11.9% -$7.6M
Trim MKL
-1.5% -$6.1M
Trim BRK-A
-6.0% -$5.3M
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | AMZN | Amazon.com INC | Stock-Consumer Disc | 18.91% | -2.40% | -1.19% | |
| 2 | BN | Brookfield CORP | Stock-Financials | 16.37% | -2.56% | -1.47% | |
| 3 | BRK-A | Berkshire Hathaway Inc-cl A | Stock-Other | 13.14% | -1.62% | -5.97% | |
| 4 | MKL | Markel Group INC | Stock-Financials | 12.54% | -1.83% | -1.53% | |
| 5 | SGOV | Ishares 0-3 Month Treasury B | ETF-Gov Bonds | 11.20% | +11.20% | NEW | |
| 6 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 8.36% | -0.88% | -1.11% | |
| 7 | NFLX | Netflix INC | Stock-Comm Services | 7.80% | +7.80% | NEW | |
| 8 | TSLA | Tesla INC | Stock-Consumer Disc | 5.91% | -2.24% | -11.86% | |
| 9 | TRUP | Trupanion INC | Stock-Other | 5.78% | -2.69% | — |
Performance for Q3 2026
-3.7%
Performance Last 4 Quarters
-12.7%
Based on 70% of reported portfolio value with available pricing
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 9 | $344.3M | 38 | |
| 2025-12-31 | 8 | $342.7M | 9 | |
| 2025-09-30 | 8 | $343.0M | 17 | |
| 2025-06-30 | 8 | $355.5M | 0 | |
| 2025-03-31 | 8 | $289.4M | 100 | |
| 2024-12-31 | 8 | $331.7M | 0 | |
| 2024-09-30 | 9 | $329.5M | 0 | |
| 2024-06-30 | 9 | $366.4M | 0 | |
| 2024-03-31 | 10 | $353.1M | 0 | |
| 2023-12-31 | 10 | $322.9M | 0 | |
| 2023-09-30 | 9 | $279.1M | 0 | |
| 2023-06-30 | 10 | $274.2M | 0 | |
| 2023-03-31 | 12 | $250.6M | 0 | |
| 2022-12-31 | 11 | $210.1M | 0 | |
| 2022-09-30 | 10 | $274.9M | 0 | |
| 2022-06-30 | 10 | $251.1M | 0 | |
| 2022-03-31 | 11 | $358.9M | 0 | |
| 2021-12-31 | 9 | $308.3M | 0 | |
| 2021-09-30 | 9 | $305.9M | 0 | |
| 2021-06-30 | 11 | $333.1M | 100 | |
| 2021-03-31 | 9 | $238.6M | 17 | |
| 2020-12-31 | 18 | $267.1M | 47 | |
| 2020-09-30 | 20 | $260.0M | 23 | |
| 2020-06-30 | 18 | $209.3M | 52 | |
| 2020-03-31 | 18 | $152.3M | 72 | |
| 2019-12-31 | 22 | $201.1M | 18 | |
| 2019-09-30 | 22 | $171.8M | 39 | |
| 2019-06-30 | 18 | $181.8M | 34 | |
| 2019-03-31 | 18 | $168.2M | 48 | |
| 2018-12-31 | 16 | $102.8M | — |
Greenlea Lane Capital Management, LLC's most significant position changes for 2026-03-31: New buy: Ishares 0-3 Month Treasury B (SGOV); New buy: Netflix INC (NFLX); Sold out: Burford Capital Limited (BUR); Trim: Brookfield CORP (BN) — shares -1.47%; Trim: Amazon.com INC (AMZN) — shares -1.19%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | GOOGL | Alphabet Inc-cl A | -0.9% | -1.11% | Trim |
| 2 | BRK-A | Berkshire Hathaway Inc-cl A | -1.6% | -5.97% | Trim |
| 3 | MKL | Markel Group INC | -1.8% | -1.53% | Trim |
| 4 | TSLA | Tesla INC | -2.2% | -11.86% | Trim |
| 5 | AMZN | Amazon.com INC | -2.4% | -1.19% | Trim |
| 6 | BN | Brookfield CORP | -2.6% | -1.47% | Trim |
| 7 | TRUP | Trupanion INC | -2.7% | — | Unchanged |
| 8 | SGOV | Ishares 0-3 Month Treasury B | — | NEW | New buy |
| 9 | NFLX | Netflix INC | — | NEW | New buy |
| 10 | BUR | Burford Capital Limited | — | EXIT | Sold out |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-03-31 | 2026-05-11 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-02-17 | 13F-HR | View on EDGAR |
| 2025-09-30 | 2025-11-14 | 13F-HR | View on EDGAR |
| 2025-06-30 | 2025-08-14 | Amendment | View on EDGAR |
| 2025-06-30 | 2025-08-14 | 13F-HR | View on EDGAR |
| 2025-03-31 | 2025-05-13 | 13F-HR | View on EDGAR |
| 2024-12-31 | 2025-02-14 | 13F-HR | View on EDGAR |
| 2024-09-30 | 2024-11-14 | 13F-HR | View on EDGAR |
| 2024-06-30 | 2024-08-14 | 13F-HR | View on EDGAR |
| 2024-03-31 | 2024-05-15 | 13F-HR | View on EDGAR |
| 2023-12-31 | 2024-02-14 | 13F-HR | View on EDGAR |
| 2023-09-30 | 2023-11-14 | 13F-HR | View on EDGAR |
| 2023-06-30 | 2023-08-14 | 13F-HR | View on EDGAR |
| 2023-03-31 | 2023-05-15 | 13F-HR | View on EDGAR |
| 2022-12-31 | 2023-02-14 | 13F-HR | View on EDGAR |
| 2022-09-30 | 2022-11-14 | 13F-HR | View on EDGAR |
| 2022-06-30 | 2022-08-15 | 13F-HR | View on EDGAR |
| 2022-03-31 | 2022-05-16 | 13F-HR | View on EDGAR |
| 2021-12-31 | 2022-02-14 | 13F-HR | View on EDGAR |
| 2021-09-30 | 2021-11-15 | 13F-HR | View on EDGAR |
| 2021-06-30 | 2021-08-16 | 13F-HR | View on EDGAR |
| 2021-03-31 | 2021-05-21 | 13F-HR | View on EDGAR |
| 2020-12-31 | 2021-02-16 | 13F-HR | View on EDGAR |
| 2020-09-30 | 2020-11-16 | 13F-HR | View on EDGAR |
| 2020-06-30 | 2020-08-14 | 13F-HR | View on EDGAR |
| 2020-03-31 | 2020-05-15 | 13F-HR | View on EDGAR |
| 2019-12-31 | 2020-02-14 | 13F-HR | View on EDGAR |
| 2019-09-30 | 2019-11-14 | 13F-HR | View on EDGAR |
| 2019-06-30 | 2019-08-14 | 13F-HR | View on EDGAR |
| 2019-03-31 | 2019-05-15 | 13F-HR | View on EDGAR |
| 2018-12-31 | 2019-02-14 | 13F-HR | View on EDGAR |
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