Greenhaven Road Investment Management, L.P.

GREENWICH, CT · CIK 1741129 · 13F filing filed 2026-08-14

SEC-registered investment adviser since 2021 · limited partnership

Assets managed$299.5m
Staff4 · 2 in investment roles
Main clients (by assets)Private funds 100%
Private funds4 (4 hedge) · $299.5m gross assets
Form ADV · 2026-03-30SEC adviser record

$154.0m reported value +6.0% vs Q1 2026

17positions

91.6%in top 10

4 new 5 added 6 reduced 4 sold out vs Q1 2026

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#	Security	Ticker	Shares	Value	% of portfolio	Change	Shares change
1	HAGERTY INC CL A COM HGTY	HGTY	1,865,430	$22.2m14.44%	14.44%	Reduced -504.5k	-504,548 -21.3%
2	CELLEBRITE DI LTD ORDINARY SHARES CLBT	CLBT	1,260,039	$18.4m11.94%	11.94%	Reduced -275.2k	-275,212 -17.9%
3	KINGSWAY FINL SVCS INC COM NEW KWY	KWY	1,696,149	$17.7m11.47%	11.47%	Reduced -155.6k	-155,627 -8.4%
4	LIFECORE BIOMEDICAL INC COM LFCR	LFCR	3,190,769	$16.8m10.88%	10.88%	Reduced -346.8k	-346,804 -9.8%
5	PAR TECHNOLOGY CORP COM PAR	PAR	817,888	$14.2m9.25%	9.25%	Added +7.4k	+7,444 0.9%
6	BURFORD CAP LTD ORD SHS BUR	BUR	3,042,947	$12.5m8.10%	8.10%	Added +902.6k	+902,635 42.2%
7	ANAPTYSBIO INC COM ANAB	ANAB	171,059	$11.5m7.50%	7.50%	New
8	KKR & CO INC COM KKR	KKR	114,051	$10.5m6.80%	6.80%	Added +7.5k	+7,451 7.0%
9	AST SPACEMOBILE INC COM CL A ASTS	ASTS	107,294	$9.5m6.19%	6.19%	Reduced -117.9k	-117,925 -52.4%
10	NEXTNAV INC COMMON STOCK NN	NN	439,463	$7.8m5.09%	5.09%	Added +90.1k	+90,130 25.8%
11	COMPASS DIVERSIFIED SH BEN INT CODI	CODI	657,596	$7.0m4.55%	4.55%	New
12	ZOOM COMMUNICATIONS INC CL A ZM	ZM	33,141	$2.9m1.86%	1.86%	Added +8.1k	+8,141 32.6%
13	APPLOVIN CORP COM CL A APP	APP	4,810	$2.5m1.61%	1.61%	New
14	PRO-DEX INC COLO COM NEW PDEX	PDEX	3,585	$209.9k0.14%	0.14%	New
15	MATRIX SVC CO COM MTRX	MTRX	12,947	$177.4k0.12%	0.12%	Reduced -1.0k	-1,022 -7.3%
16	RESEARCH SOLUTIONS INC COM RSSS	RSSS	38,477	$89.3k0.06%	0.06%	Unchanged
17	QUEST RESOURCE HLDG CORP COM NEW QRHC	QRHC	31,463	$39.6k0.03%	0.03%	Unchanged

Sold out since Q1 2026

Security	Ticker	Shares held before	Value then
ALLOT LTD ALLT	ALLT	1,266,991	$8.4m1.3m shares
MERLIN INC MRLN	MRLN	108,233	$795.5k108.2k shares
LISTED FD TR INFL	INFL	16,024	$528.8k16.0k shares
PERMA-FIX ENVIRONMENTAL SVCS PESI	PESI	11,303	$120.5k11.3k shares

Stakes above 5%

Companies where this manager has reported owning more than 5% of a class of shares, on Schedule 13D (may seek influence) or 13G (passive): its latest filing for each, from 19 Dec 2024 on.

Company	Ticker	Stake	Change	Schedule	Last filed
LIFECORE BIOMEDICAL INC LFCR · 13G · filed 2025-02-14	LFCR	9.8%≈ $19.0m	+2.0 pts	13G	2025-02-14
KINGSWAY FINL SVCS INC KWY · 13G · filed 2025-11-06	KWY	6.8%≈ $20.5m	new	13G	2025-11-06