Greenhaven Road Investment Management, L.P.

Position in QRHC — Quest Resource Holding Corp

CIK 1741129 GREENWICH, CT

Position in QRHC

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$37,440

-$21,081 QoQ

Shares Held

31,463

0.0% QoQ

Ownership

0.150%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

#20

of 41 holders

Holding Since

Dec 2020

14 quarters on record

Voting authority Sole 0% Shared 100% None 0%

Industrials · as of Mar 31, 2026

Greenhaven Road Investment Management, L.P. holds $158,269 across 2 Waste Management names. QRHC ranks #2 (23.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	PESI	Perma Fix Environmental Services Inc	11,303	$120,829
2	QRHC	Quest Resource Holding Corp This page	31,463	$37,440

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$37,440	31,463	0.0%	Shares	Other	2026-05-15
2025-12-31	$58,521	31,463	+2.2%	Shares	Other	2026-02-13
2025-09-30	$48,012	30,777	+137.2%	Shares	Other	2025-12-01
2025-06-30	$26,211	12,976	+13.0%	Shares	Other	2025-08-13
2025-03-31	$29,853	11,482	+3.9%	Shares	Other	2025-05-05
2024-12-31	$71,851	11,054	-39.7%	Shares	Other	2025-02-13
2023-06-30	$119,550	18,336	0.0%	Shares	Other	2023-08-14
2023-03-31	$112,583	18,336	0.0%	Shares	Other	2023-05-23
2022-12-31	$112,032	18,336	-2.2%	Shares	Other	2023-02-14
2022-09-30	$158,165	18,740	-15.8%	Shares	Other	2022-11-15
2022-06-30	$91,067	22,266	0.0%	Shares	Other	2022-08-17
2022-03-31	$136,935	22,266	-8.1%	Shares	Other	2022-05-16
2021-12-31	$168,086	24,220	-34.6%	Shares	Other	2022-02-15
2020-12-31	$85,608	37,060	—	Shares	Other	2021-02-16
No filing history on record for this holder in this stock.