Walleye Trading LLC

Position in INSM — INSMED Inc

CIK 1388391 NEW YORK, NY

Back to INSM Full portfolio

Position in INSM

as of Mar 31, 2026 · filed May 11, 2026 Compact

Position Value

$1,246,022

-$1,827,002 QoQ

Shares Held

7,620

-56.8% QoQ

Ownership

0.004%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

16 quarters on record

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

Common Shares in INSM Over Time

Shares Held

Position Value (USD)

Derivatives in INSM

reported options exposure · as of Mar 31, 2026

CallValue

$2,321,984

CallShares

14,200

PutValue

$572,320

PutShares

3,500

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 Biotechnology

Healthcare · as of Mar 31, 2026

Walleye Trading LLC holds $17,472,598 across 36 Biotechnology names. INSM ranks #3 (7.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	REGN	Regeneron Pharmaceuticals, Inc.	10,390	$8,027,729
2	ALNY	Alnylam Pharmaceuticals, Inc.	5,756	$1,904,487
3	INSM	INSMED Inc This page	7,620	$1,246,022
4	ABVX	Abivax S.A.	9,769	$1,087,778
5	CRSP	CRISPR Therapeutics AG	15,086	$717,641
6	BNTX	BioNTech SE	6,431	$571,587
7	FOLD	AMICUS THERAPEUTICS, INC.	25,604	$370,233
8	MRNA	Moderna, Inc.	7,257	$368,655

All Filings in INSM

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40 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,246,022	7,620	+117.7%	Shares	Sole	2026-05-11
2026-03-31	$572,320	3,500	-75.4%	Put	Sole	2026-05-11
2026-03-31	$2,321,984	14,200	-53.3%	Call	Sole	2026-05-11
2025-12-31	$5,290,816	30,400	+72.2%	Call	Sole	2026-02-13
2025-12-31	$3,073,024	17,657	+85.9%	Shares	Sole	2026-02-13
2025-12-31	$1,653,380	9,500	-17.4%	Put	Sole	2026-02-13
2025-09-30	$1,656,115	11,500	-75.2%	Put	Sole	2025-11-14
2025-09-30	$6,682,064	46,400	+120.1%	Call	Sole	2025-11-14
2025-09-30	$3,036,450	21,085	-22.5%	Shares	Sole	2025-11-14
2025-06-30	$2,737,408	27,200	-80.9%	Put	Sole	2025-08-13
2025-06-30	$14,321,072	142,300	+923.7%	Call	Sole	2025-08-13
2025-03-31	$1,060,431	13,900	+826.7%	Call	Sole	2025-05-14
2025-03-31	$114,435	1,500	-17.9%	Put	Sole	2025-05-14
2024-12-31	$126,067	1,826	-8.7%	Shares	Sole	2025-02-13
2024-12-31	$138,080	2,000	-74.7%	Put	Sole	2025-02-13
2024-12-31	$545,416	7,900	-23.3%	Call	Sole	2025-02-13
2024-09-30	$751,900	10,300	+764.1%	Call	Sole	2024-11-14
2024-09-30	$87,016	1,192	-86.5%	Shares	Sole	2024-11-14
2024-09-30	$642,400	8,800	+137.8%	Put	Sole	2024-11-14
2024-06-30	$247,900	3,700	-91.1%	Call	Sole	2024-08-14
2024-06-30	$2,800,600	41,800	+753.4%	Put	Sole	2024-08-14
2024-06-30	$328,166	4,898	+22.4%	Shares	Sole	2024-08-14
2024-03-31	$108,520	4,000	-10.4%	Call	Sole	2024-05-15
2024-03-31	$121,162	4,466	-10.7%	Shares	Sole	2024-05-15
2024-03-31	$135,650	5,000	+0.4%	Put	Sole	2024-05-15
2023-12-31	$154,361	4,981	+18.6%	Shares	Sole	2024-02-14
2023-12-31	$130,158	4,200	-48.1%	Call	Sole	2024-02-14
2023-03-31	$138,105	8,100	-11.5%	Put	Sole	2023-05-15
2023-03-31	$156,126	9,157	+72.8%	Shares	Sole	2023-05-15
2023-03-31	$90,365	5,300	+5788.9%	Call	Sole	2023-05-15
2022-12-31	$1,798	90	-99.3%	Shares	Sole	2023-02-14
2022-12-31	$247,752	12,400	-63.1%	Put	Sole	2023-02-14
2022-09-30	$724,670	33,643	+442.6%	Shares	Sole	2022-11-14
2021-03-31	$211,172	6,200	+416.7%	Call	Sole	2021-05-17
2021-03-31	$40,872	1,200	-81.8%	Put	Sole	2021-05-17
2020-06-30	$181,764	6,600	-83.7%	Put	Sole	2020-08-14
2020-06-30	$1,112,616	40,400	+861.9%	Call	Sole	2020-08-14
2020-03-31	$67,326	4,200	+76.2%	Call	Sole	2020-05-15
2020-03-31	$38,199	2,383	-77.3%	Shares	Sole	2020-05-15
2020-03-31	$168,315	10,500	—	Put	Sole	2020-05-15
No filing history on record for this holder in this stock.