MILLENNIUM MANAGEMENT LLC

Position in AVTR — Avantor, Inc.

CIK 1273087 NEW YORK, NY

Back to AVTR Full portfolio

Position in AVTR

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

Position Value

$19,092,595

-$22,954,110 QoQ

Shares Held

2,435,280

-33.6% QoQ

Ownership

0.357%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in AVTR Over Time

Shares Held

Position Value (USD)

Derivatives in AVTR

reported options exposure · as of Mar 31, 2026

CallValue

$784,000

CallShares

100,000

PutValue

PutShares

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Medical Instruments & Supplies

Healthcare · as of Mar 31, 2026

MILLENNIUM MANAGEMENT LLC holds $1,356,363,613 across 37 Medical Instruments & Supplies names. AVTR ranks #12 (1.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	HOLX	HOLOGIC INC	5,651,225	$427,176,097
2	ISRG	Intuitive Surgical Inc	910,292	$419,635,509
3	MDLN	Medline Inc.	1,955,949	$87,039,730
4	TFX	Teleflex Inc	682,058	$81,580,957
5	MMED	MiniMed Group, Inc.	2,593,434	$38,694,035
6	SOLV	Solventum Corp	540,293	$35,281,132
7	ATR	Aptargroup, Inc.	260,808	$32,867,024
8	RMD	Resmed Inc	142,280	$31,939,014

All Filings in AVTR

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50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$784,000	100,000	-95.9%	Call	Sole	2026-05-15
2026-03-31	$19,092,595	2,435,280	-33.6%	Shares	Sole	2026-05-15
2025-12-31	$42,046,705	3,668,997	+35.8%	Shares	Sole	2026-02-17
2025-09-30	$33,727,324	2,702,510	+20885.5%	Shares	Sole	2025-11-14
2025-06-30	$173,337	12,878	-91.4%	Shares	Sole	2025-08-14
2025-03-31	$2,431,500	150,000	-97.2%	Call	Sole	2025-05-15
2025-03-31	$85,999,237	5,305,320	+9424.8%	Shares	Sole	2025-05-15
2024-12-31	$1,173,599	55,700	-95.4%	Put	Sole	2025-02-14
2024-09-30	$31,664,880	1,224,000	-39.4%	Put	Sole	2024-11-14
2024-09-30	$52,266,739	2,020,361	+1656.8%	Shares	Sole	2024-11-14
2024-09-30	$2,975,050	115,000	-91.9%	Call	Sole	2024-11-14
2024-06-30	$29,945,000	1,412,500	-44.8%	Put	Sole	2024-08-14
2024-06-30	$54,274,734	2,560,129	+452.0%	Shares	Sole	2024-08-14
2024-06-30	$9,832,560	463,800	+804.1%	Call	Sole	2024-08-14
2024-03-31	$1,311,741	51,300	-99.0%	Call	Sole	2024-05-15
2024-03-31	$128,411,670	5,021,966	+1321.8%	Shares	Sole	2024-05-15
2023-12-31	$8,063,556	353,200	-96.5%	Call	Sole	2024-02-14
2023-12-31	$232,513,253	10,184,549	+1459.2%	Shares	Sole	2024-02-14
2023-12-31	$14,912,556	653,200	+335.5%	Put	Sole	2024-02-14
2023-09-30	$3,162,000	150,000	-98.0%	Put	Sole	2023-11-14
2023-09-30	$154,686,115	7,338,051	+5770.4%	Shares	Sole	2023-11-14
2023-09-30	$2,635,000	125,000	-97.4%	Call	Sole	2023-11-14
2023-06-30	$100,095,507	4,873,199	+24266.0%	Shares	Sole	2023-08-14
2023-06-30	$410,800	20,000	-80.0%	Put	Sole	2023-08-14
2023-03-31	$2,114,000	100,000	-93.0%	Put	Sole	2023-05-15
2023-03-31	$30,178,660	1,427,562	+3468.9%	Shares	Sole	2023-05-15
2023-03-31	$845,600	40,000	-60.7%	Call	Sole	2023-05-15
2022-12-31	$2,149,071	101,900	-97.8%	Call	Sole	2023-02-14
2022-12-31	$98,717,523	4,680,774	+5751.0%	Shares	Sole	2023-02-14
2022-09-30	$1,568,000	80,000	-97.4%	Call	Sole	2022-11-14
2022-09-30	$61,234,790	3,124,224	-30.8%	Shares	Sole	2022-11-14
2022-06-30	$140,446,293	4,515,958	+22479.8%	Shares	Sole	2022-08-15
2022-06-30	$622,000	20,000	0.0%	Put	Sole	2022-08-15
2022-06-30	$622,000	20,000	-98.0%	Call	Sole	2022-08-15
2022-03-31	$33,854,564	1,001,022	+515.3%	Shares	Sole	2022-05-16
2021-12-31	$6,856,178	162,700	+85.9%	Put	Sole	2022-02-14
2021-12-31	$3,687,250	87,500	-97.6%	Call	Sole	2022-02-14
2021-12-31	$150,741,733	3,577,165	+5861.9%	Shares	Sole	2022-02-14
2021-09-30	$2,454,000	60,000	-98.0%	Call	Sole	2021-11-15
2021-09-30	$122,555,254	2,996,461	+837.0%	Shares	Sole	2021-11-15
2021-09-30	$13,079,820	319,800	+33.2%	Put	Sole	2021-11-15
2021-06-30	$8,522,400	240,000	+700.0%	Put	Sole	2021-08-16
2021-06-30	$1,065,300	30,000	-98.9%	Call	Sole	2021-08-16
2021-06-30	$97,540,110	2,746,835	-12.0%	Shares	Sole	2021-08-16
2021-03-31	$90,292,555	3,121,070	+1205.9%	Shares	Sole	2021-05-17
2021-03-31	$6,914,270	239,000	+34.6%	Put	Sole	2021-05-17
2021-03-31	$5,137,968	177,600	-96.0%	Call	Sole	2021-05-17
2020-12-31	$124,975,781	4,439,637	+14698.8%	Shares	Sole	2021-02-16
2020-09-30	$674,700	30,000	-99.4%	Put	Sole	2020-11-16
2020-09-30	$108,686,950	4,832,679	—	Shares	Sole	2020-11-16
No filing history on record for this holder in this stock.