JANE STREET GROUP, LLC

Position in PEN — Penumbra Inc

CIK 1595888 NEW YORK, NY

Back to PEN Full portfolio

Position in PEN

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

Position Value

$7,828,705

+$7,138,800 QoQ

Shares Held

24,794

+1080.1% QoQ

Ownership

0.063%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#111

of 446 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in PEN Over Time

Shares Held

Position Value (USD)

Derivatives in PEN

reported options exposure · as of Jun 30, 2026

CallValue

$8,525,250

CallShares

27,000

PutValue

$8,904,150

PutShares

28,200

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 Devices

Healthcare · as of Jun 30, 2026

JANE STREET GROUP, LLC holds $1,126,738,632 across 68 Medical Devices names. PEN ranks #10 (0.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BSX	Boston Scientific Corp	12,087,991	$515,915,454
2	MDT	Medtronic plc	3,524,983	$275,759,419
3	ABT	Abbott Laboratories	1,009,061	$91,562,193
4	SYK	Stryker Corp	169,217	$53,276,278
5	DXCM	Dexcom Inc	750,473	$50,544,356
6	IRTC	iRhythm Holdings, Inc.	275,262	$32,742,414
7	ESTA	Establishment Labs Holdings Inc.	361,302	$31,003,324
8	BRKR	Bruker Corp	26,930	$10,222,046

All Filings in PEN

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50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$8,525,250	27,000	+48.4%	Call	Defined	2026-08-14
2026-06-30	$7,828,705	24,794	+1080.1%	Shares	Defined	2026-08-14
2026-06-30	$8,904,150	28,200	+34.3%	Put	Defined	2026-08-14
2026-03-31	$6,895,770	21,000	+255.9%	Put	Defined	2026-05-12
2026-03-31	$689,905	2,101	+23.9%	Shares	Defined	2026-05-12
2026-03-31	$5,976,334	18,200	-0.5%	Call	Defined	2026-05-12
2025-12-31	$527,303	1,696	-82.2%	Shares	Defined	2026-02-12
2025-12-31	$1,834,369	5,900	-85.0%	Put	Defined	2026-02-12
2025-12-31	$5,689,653	18,300	-12.0%	Call	Defined	2026-02-12
2025-09-30	$9,980,808	39,400	+964.9%	Put	Defined	2025-11-14
2025-09-30	$2,410,845	9,517	-70.7%	Shares	Defined	2025-11-14
2025-09-30	$5,269,056	20,800	-59.6%	Call	Defined	2025-11-14
2025-06-30	$949,531	3,700	-88.9%	Put	Defined	2025-08-14
2025-06-30	$13,216,445	51,500	+83.9%	Call	Defined	2025-08-14
2025-06-30	$8,330,722	32,462	+376.5%	Shares	Defined	2025-08-14
2025-03-31	$1,821,596	6,812	-64.9%	Shares	Defined	2025-05-19
2025-03-31	$7,487,480	28,000	-33.0%	Call	Defined	2025-05-19
2024-12-31	$9,926,664	41,800	-50.9%	Call	Defined	2025-02-14
2024-12-31	$4,606,636	19,398	+3.9%	Shares	Defined	2025-02-14
2024-09-30	$16,555,212	85,200	+141.4%	Call	Defined	2024-11-15
2024-09-30	$3,628,739	18,675	+32.8%	Shares	Defined	2024-11-15
2024-09-30	$6,489,954	33,400	+26.5%	Put	Defined	2024-11-15
2024-06-30	$2,530,557	14,061	-66.2%	Shares	Defined	2024-08-15
2024-03-31	$9,278,261	41,573	-50.2%	Shares	Defined	2024-05-16
2023-12-31	$21,007,110	83,514	+478.6%	Shares	Defined	2024-02-15
2023-09-30	$3,491,970	14,435	-63.9%	Shares	Defined	2023-11-15
2023-06-30	$13,775,473	40,038	+53.0%	Shares	Defined	2023-08-14
2023-03-31	$7,291,087	26,162	+72.4%	Shares	Defined	2023-05-16
2022-12-31	$3,375,384	15,173	-38.7%	Shares	Defined	2023-02-15
2022-09-30	$4,692,599	24,750	+229.1%	Shares	Defined	2022-11-15
2022-06-30	$936,514	7,521	-36.1%	Shares	Defined	2022-08-16
2022-03-31	$5,864,232	26,400	+355.2%	Put	Defined	2022-05-17
2022-03-31	$2,613,359	11,765	+519.2%	Shares	Defined	2022-05-17
2022-03-31	$7,841,189	35,300	+120.6%	Call	Defined	2022-05-17
2021-12-31	$545,908	1,900	-28.2%	Shares	Defined	2022-02-15
2021-12-31	$1,666,456	5,800	-57.7%	Put	Defined	2022-02-15
2021-12-31	$4,597,120	16,000	+0.6%	Call	Defined	2022-02-15
2021-09-30	$4,237,350	15,900	-43.6%	Call	Defined	2021-11-16
2021-09-30	$705,159	2,646	-89.3%	Shares	Defined	2021-11-16
2021-09-30	$3,651,050	13,700	-4.2%	Put	Defined	2021-11-16
2021-06-30	$6,765,992	24,688	+334.1%	Shares	Defined	2021-08-16
2021-06-30	$7,728,492	28,200	-32.9%	Call	Defined	2021-08-16
2021-06-30	$3,919,058	14,300	-54.0%	Put	Defined	2021-08-16
2021-03-31	$8,415,038	31,100	-87.1%	Put	Defined	2021-05-18
2021-03-31	$1,538,788	5,687	-85.4%	Shares	Defined	2021-05-18
2021-03-31	$11,364,360	42,000	-34.3%	Call	Defined	2021-05-18
2020-12-31	$6,805,925	38,891	—	Shares	Defined	2021-02-17
2020-12-31	$11,182,500	63,900	+387.8%	Call	Defined	2021-02-17
2020-12-31	$42,280,000	241,600	—	Put	Defined	2021-02-17
2020-09-30	$2,546,378	13,100	—	Call	Defined	2020-11-17
No filing history on record for this holder in this stock.