Stocks/Funds/CIK 1766504

GREENLEA LANE CAPITAL MANAGEMENT, LLC

long-term holderconcentrated
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1766504
Assets
$344M
+19.0% YoY
Holdings
9
Lifetime alpha vs market
-2.60% annual
Average hold time
4.1 yr
median 3.5 yr

Quarterly history

Cum return +37% vs S&P +52% · α -15% lifetimeAUM $344M · peak $414MFlow $49M (+14%)2018-122020-032021-062022-092023-122025-032026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+1.60%
adds when stocks drop
when a holding falls −10%+
Middle response
-0.09%
baseline attrition
Rally response
+0.03%
adds into rallies
when a holding rises +10%+

Top positions · 9

Ticker$ value% portYoYHold time
AMZNAmazon.com, Inc.$65M18.9%+9.5%7.5 yr
BNBrookfield Corporation$56M16.4%+16.5%3.5 yr
BRK-ABerkshire Hathaway Inc.$45M13.1%2.5 yr
MKLMarkel Corporation$43M12.5%+2.4%3.3 yr
SGOViShares 0-3 Month Treasu$39M11.2%0.3 yr
GOOGLAlphabet Inc.$29M8.4%5.8 yr
NFLXNetflix, Inc.$27M7.8%+3.1%4.5 yr
TSLATesla, Inc.$20M5.9%+43.4%2.0 yr
TRUPTrupanion, Inc.$20M5.8%-31.3%7.5 yr

Portfolio composition (YoY)

Industry mix
Specialty Retail18.9%-2.4pp$65M
Asset Management16.4%-4.8pp$56M
Insurance - Diversified13.1%-5.3pp$45M
Insurance - Property & Casualty12.5%-2.0pp$43M
Asset Management - Bonds11.2%$39M
Internet Content & Information8.4%+2.8pp$29M
Entertainment7.8%$27M
Auto - Manufacturers5.9%-1.3pp$20M
Insurance - Specialty5.8%-5.9pp$20M
Country
US83.6%+4.8pp
CA16.4%-1.1pp
Top 5: 72.2% · Top 10: 100.0% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %
TSLA$21M+0.01B43.4%
AMZN$62M+0.01B9.5%
BN$51M+0.01B16.5%
MKL$42M+0.00B2.4%
TRUP$34M-0.01B-31.3%

Losers

TickerPrev $PnLYoY %
TRUP$34M-0.01B-31.3%

Top buys this quarter · 2

NFLX Netflix, Inc.+$24M
SGOV iShares 0-3 Month Treasury Bonnew+$0M

Top sells this quarter · 7

BUR Burford Capital Limitedexit$8M
TSLA Tesla, Inc.$3M
BN Brookfield Corporation$1M
AMZN Amazon.com, Inc.$1M
MKL Markel Corporation$1M
GOOGL Alphabet Inc.$0M
BRK-A Berkshire Hathaway Inc.$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$344M9+2.15%+17.59%-15.44%+0.05B
2025-12-31$343M8+2.75%+17.72%-14.96%+0.00B
2025-09-30$343M8+19.39%+17.52%+1.87%-0.07B
2025-06-30$414M9+32.97%+14.94%+18.03%+0.07B
2025-03-31$289M8+13.98%+8.30%+5.67%+0.00B
2024-12-31$332M8+44.80%+24.89%+19.92%-0.05B
2024-09-30$330M9+45.35%+36.04%+9.31%-0.07B
2024-06-30$366M9+29.61%+24.49%+5.12%+0.00B
2024-03-31$353M10+46.36%+29.62%+16.73%-0.00B
2023-12-31$323M10+71.36%+26.18%+45.18%-0.00B
2023-09-30$279M9+33.97%+21.57%+12.40%+0.01B
2023-06-30$274M10+31.14%+19.42%+11.72%-0.02B
2023-03-31$251M12-19.63%-7.82%-11.81%-0.02B
2022-12-31$210M11-8.96%+7.56%-16.52%-0.04B
2022-09-30$275M10-3.82%-4.93%+1.11%+0.03B
2022-06-30$251M10-28.83%-16.11%-12.72%-0.00B