JANE STREET GROUP, LLC

Position in AVTR — Avantor, Inc.

CIK 1595888 NEW YORK, NY

Back to AVTR Full portfolio

Position in AVTR

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$38,937,061

-$4,975,560 QoQ

Shares Held

4,966,462

+29.6% QoQ

Ownership

0.727%

of shares outstanding

% of Portfolio

0.05%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

24 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

$326,928

CallShares

41,700

PutValue

$69,164,480

PutShares

8,822,000

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

JANE STREET GROUP, LLC holds $433,568,993 across 28 Medical Instruments & Supplies names. AVTR ranks #4 (9.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MDLN	Medline Inc.	1,996,552	$88,846,563
2	WST	West Pharmaceutical Services Inc	305,132	$76,478,284
3	ISRG	Intuitive Surgical Inc	118,543	$54,647,136
4	AVTR	Avantor, Inc. This page	4,966,462	$38,937,061
5	BDX	Becton Dickinson & Co	205,447	$32,302,431
6	ALC	Alcon Inc	369,547	$27,845,365
7	TFX	Teleflex Inc	173,278	$20,725,781
8	NVST	Envista Holdings Corp	639,850	$16,232,993

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	$69,164,480	8,822,000	+77.6%	Put	Defined	2026-05-12
2026-03-31	$38,937,061	4,966,462	+11810.0%	Shares	Defined	2026-05-12
2026-03-31	$326,928	41,700	-98.9%	Call	Defined	2026-05-12
2025-12-31	$43,912,621	3,831,817	+5342.9%	Shares	Defined	2026-02-12
2025-12-31	$806,784	70,400	+71.7%	Put	Defined	2026-02-12
2025-12-31	$469,860	41,000	+32.2%	Call	Defined	2026-02-12
2025-09-30	$387,017	31,011	-57.8%	Shares	Defined	2025-11-14
2025-09-30	$917,280	73,500	-58.2%	Put	Defined	2025-11-14
2025-09-30	$2,193,984	175,800	-18.9%	Call	Defined	2025-11-14
2025-06-30	$2,919,474	216,900	+157.6%	Call	Defined	2025-08-14
2025-06-30	$1,133,332	84,200	-66.2%	Put	Defined	2025-08-14
2025-03-31	$4,042,774	249,400	+388.1%	Put	Defined	2025-05-19
2025-03-31	$828,331	51,100	-16.5%	Call	Defined	2025-05-19
2024-12-31	$1,289,484	61,200	-95.3%	Call	Defined	2025-02-14
2024-12-31	$27,660,696	1,312,800	+10734.4%	Put	Defined	2025-02-14
2024-12-31	$255,305	12,117	-99.4%	Shares	Defined	2025-02-14
2024-09-30	$52,164,268	2,016,400	+1682.8%	Put	Defined	2024-11-15
2024-09-30	$2,925,897	113,100	-61.2%	Call	Defined	2024-11-15
2024-09-30	$7,537,508	291,361	-81.0%	Shares	Defined	2024-11-15
2024-06-30	$32,446,281	1,530,485	-39.7%	Shares	Defined	2024-08-15
2024-03-31	$64,945,344	2,539,904	+6.5%	Shares	Defined	2024-05-16
2023-12-31	$54,464,228	2,385,643	+122.3%	Shares	Defined	2024-02-15
2023-09-30	$22,617,722	1,072,947	+207.4%	Shares	Defined	2023-11-15
2023-06-30	$7,169,568	349,054	+204.9%	Shares	Defined	2023-08-14
2023-03-31	$2,420,169	114,483	-23.5%	Shares	Defined	2023-05-16
2022-12-31	$3,156,645	149,675	-6.7%	Shares	Defined	2023-02-15
2022-09-30	$3,143,545	160,385	+880.0%	Shares	Defined	2022-11-15
2022-06-30	$508,951	16,365	-96.2%	Shares	Defined	2022-08-16
2022-03-31	$14,671,116	433,800	+685.9%	Call	Defined	2022-05-17
2022-03-31	$1,866,864	55,200	-18.6%	Put	Defined	2022-05-17
2022-03-31	$2,294,145	67,834	+161.1%	Shares	Defined	2022-05-17
2021-12-31	$1,094,712	25,978	-94.0%	Shares	Defined	2022-02-15
2021-12-31	$18,141,270	430,500	+6325.4%	Call	Defined	2022-02-15
2021-12-31	$282,338	6,700	-97.6%	Put	Defined	2022-02-15
2021-09-30	$11,259,770	275,300	+1735.3%	Call	Defined	2021-11-16
2021-09-30	$613,500	15,000	-73.3%	Put	Defined	2021-11-16
2021-09-30	$2,301,279	56,266	+357.4%	Shares	Defined	2021-11-16
2021-06-30	$436,773	12,300	-96.1%	Put	Defined	2021-08-16
2021-06-30	$11,125,283	313,300	+3999.2%	Call	Defined	2021-08-16
2021-06-30	$271,402	7,643	-97.2%	Shares	Defined	2021-08-16
2021-03-31	$7,785,063	269,100	+779.4%	Call	Defined	2021-05-18
2021-03-31	$885,258	30,600	+51.3%	Put	Defined	2021-05-18
2021-03-31	$585,022	20,222	-27.5%	Shares	Defined	2021-05-18
2020-12-31	$785,385	27,900	-37.9%	Put	Defined	2021-02-17
2020-12-31	$1,263,935	44,900	+0.8%	Call	Defined	2021-02-17
2020-12-31	$1,253,997	44,547	+31.0%	Shares	Defined	2021-02-17
2020-09-30	$764,660	34,000	-7.1%	Call	Defined	2020-11-17
2020-09-30	$823,134	36,600	-47.3%	Put	Defined	2020-11-17
2020-09-30	$1,561,615	69,436	-45.0%	Shares	Defined	2020-11-17
2020-06-30	$2,146,556	126,268	—	Shares	Defined	2020-08-17
No filing history on record for this holder in this stock.