DARK FOREST CAPITAL MANAGEMENT LP

Position in AVTR — Avantor, Inc.

CIK 1853322 NEW YORK, NY

Position in AVTR

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$1,291,336

+$422,288 QoQ

Shares Held

130,438

+17.7% QoQ

Ownership

0.019%

of shares outstanding

% of Portfolio

0.09%

of 13F equity value

Holder Rank

#161

of 454 holders

Holding Since

Jun 2021

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

DARK FOREST CAPITAL MANAGEMENT LP holds $26,228,923 across 11 Medical Instruments & Supplies names. AVTR ranks #7 (4.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RMD	Resmed Inc	26,089	$5,084,224
2	ISRG	Intuitive Surgical Inc	12,331	$4,903,792
3	MMSI	Merit Medical Systems Inc	64,052	$4,441,365
4	XRAY	DENTSPLY SIRONA Inc.	408,379	$4,332,901
5	NVST	Envista Holdings Corp	59,615	$1,570,855
6	STAA	Staar Surgical Co	51,621	$1,481,006
7	AVTR	Avantor, Inc. This page	130,438	$1,291,336
8	WST	West Pharmaceutical Services Inc	3,501	$1,256,859

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,291,336	130,438	+17.7%	Shares	Sole	2026-08-14
2026-03-31	$869,048	110,848	-76.6%	Shares	Sole	2026-05-15
2024-06-30	$10,057,576	474,414	+770.2%	Shares	Sole	2024-08-14
2023-12-31	$1,244,623	54,517	+56.3%	Shares	Sole	2024-02-14
2023-06-30	$716,209	34,869	+339.8%	Shares	Sole	2023-08-14
2023-03-31	$167,619	7,929	+14583.3%	Shares	Sole	2023-05-12
2022-12-31	$1,138	54	-96.0%	Shares	Sole	2023-02-13
2022-06-30	$41,860	1,346	+165.0%	Shares	Sole	2022-08-15
2022-03-31	$17,180	508	+316.4%	Shares	Sole	2022-05-13
2021-12-31	$5,141	122	-97.6%	Shares	Sole	2022-02-11
2021-09-30	$204,500	5,000	+6478.9%	Shares	Sole	2021-11-16
2021-06-30	$2,698	76	—	Shares	Sole	2021-08-16
No filing history on record for this holder in this stock.