Stocks/Funds/CIK 1741129

Greenhaven Road Investment Management, L.P.

long-term holderconcentrated
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1741129
Assets
$145M
-40.2% YoY
Holdings
17
Lifetime alpha vs market
-39.10% annual
Average hold time
2.5 yr
median 2.5 yr

Quarterly history

Cum return -79% vs S&P +52% · α -131% lifetimeAUM $145M · peak $506MFlow $-20M (-9%)2019-122020-122021-122022-122023-122024-122025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+3.70%
adds when stocks drop
when a holding falls −10%+
Middle response
+3.59%
steady accumulation
Rally response
-4.92%
trims into rallies
when a holding rises +10%+

Top positions · 17

Ticker$ value% portYoYHold time
HGTYHagerty, Inc.$25M17.2%+16.5%3.3 yr
CLBTCellebrite DI Ltd.$21M14.6%-29.1%3.8 yr
KWYKingsway Corporation$19M13.3%2.5 yr
ASTSAST SpaceMobile, Inc.$19M12.8%+264.4%1.0 yr
LNDCLandec Corporation$13M9.1%2.5 yr
PARPAR Technology Corporati$11M7.4%-78.3%5.8 yr
KKRKKR & Co. Inc.$10M6.8%-19.5%5.8 yr
BURBurford Capital Limited$10M6.7%-65.4%2.5 yr
ALLTAllot Ltd.$8M5.8%+16.6%1.5 yr
NNNextNav Inc.$6M3.8%+31.6%1.3 yr
ZMZoom Communications, Inc$2M1.4%+9.0%0.3 yr
BACQInflection Point Acquisi$1M0.5%0.3 yr
INFLHorizon Kinetics Inflati$1M0.4%0.3 yr
MTRXMatrix Service Company$0M0.1%-7.6%3.0 yr
PESIPerma-Fix Environmental $0M0.1%+47.0%2.3 yr

Portfolio composition (YoY)

Industry mix
Software - Infrastructure20.4%+7.4pp$30M
Insurance - Property & Casualty17.2%+12.1pp$25M
Asset Management13.8%-6.6pp$20M
Insurance - Diversified13.3%+10.8pp$19M
Communication Equipment12.8%$19M
Drug Manufacturers - Specialty & Generic9.1%-1.4pp$13M
Software - Application8.9%-17.7pp$13M
Internet Content & Information3.8%+3.5pp$6M
Shell Companies0.5%$1M
Engineering & Construction0.1%+0.0pp$0M
Country
US73.0%-0.7pp
IL20.4%+7.4pp
GG6.7%-2.1pp
Top 5: 66.9% · Top 10: 97.4% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %
HGTY$12M+0.00B16.5%
NN$1M+0.00B31.6%
ALLT$1M+0.00B16.6%
RSSS$0M-0.00B-13.1%
MTRX$0M-0.00B-7.6%

Losers

TickerPrev $PnLYoY %
PAR$62M-0.05B-78.3%
BUR$21M-0.01B-65.4%
CLBT$31M-0.01B-29.1%
KKR$28M-0.01B-19.5%
QRHC$0M-0.00B-54.2%

Top buys this quarter · 7

NN NextNav Inc.+$5M
ALLT Allot Ltd.+$3M
ZM Zoom Communications, Inc.new+$2M
BUR Burford Capital Limited+$10M
PESI Perma-Fix Environmental Servic+$0M
INFL Horizon Kinetics Inflation Bennew+$0M
BACQ Inflection Point Acquisition Cnew+$0M

Top sells this quarter · 9

KKR KKR & Co. Inc.$8M
LPX Louisiana-Pacific Corporationexit$7M
ASTS AST SpaceMobile, Inc.$4M
HGTY Hagerty, Inc.$3M
PINS Pinterest, Inc.exit$2M
PAR PAR Technology Corporation$1M
CLBT Cellebrite DI Ltd.$1M
KWY Kingsway Corporation$0M
LNDC Landec Corporation$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$145M17-32.10%+17.59%-49.69%-0.02B
2025-12-31$231M15-17.04%+17.72%-34.75%-0.01B
2025-09-30$242M15-2.65%+17.52%-20.16%-0.01B
2025-06-30$285M18+29.75%+14.94%+14.81%+0.02B
2025-03-31$243M17-16.25%+8.30%-24.55%+0.02B
2024-12-31$259M16-42.59%+24.89%-67.48%-0.02B
2024-09-30$235M15-50.94%+36.04%-86.98%-0.02B
2024-06-30$216M18-50.98%+24.49%-75.47%+0.05B
2024-03-31$236M19-25.46%+29.62%-55.08%+0.09B
2023-12-31$238M21+20.59%+26.18%-5.58%+0.22B
2023-09-30$20M10-6.20%+21.57%-27.77%+0.01B
2023-06-30$11M13-34.24%+19.42%-53.67%-0.02B
2023-03-31$25M14-50.60%-7.82%-42.79%-0.13B
2022-12-31$155M32-22.38%+7.56%-29.95%+0.03B
2022-09-30$166M41-17.64%-4.93%-12.71%+0.01B
2022-06-30$194M49-20.59%-16.11%-4.48%-0.05B