Walleye Trading LLC

Position in ALNY — Alnylam Pharmaceuticals, Inc.

CIK 1388391 NEW YORK, NY

Back to ALNY Full portfolio

Position in ALNY

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

Position Value

$1,904,487

-$1,537,969 QoQ

Shares Held

5,756

-33.5% QoQ

Ownership

0.004%

of shares outstanding

% of Portfolio

0.04%

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 ALNY Over Time

Shares Held

Position Value (USD)

Derivatives in ALNY

reported options exposure · as of Mar 31, 2026

CallValue

$33,087

CallShares

100

PutValue

$2,183,742

PutShares

6,600

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. ALNY ranks #2 (10.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	REGN	Regeneron Pharmaceuticals, Inc.	10,390	$8,027,729
2	ALNY	Alnylam Pharmaceuticals, Inc. This page	5,756	$1,904,487
3	INSM	INSMED Inc	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 ALNY

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50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,183,742	6,600	+6500.0%	Put	Sole	2026-05-11
2026-03-31	$33,087	100	-98.3%	Call	Sole	2026-05-11
2026-03-31	$1,904,487	5,756	-33.5%	Shares	Sole	2026-05-11
2025-12-31	$3,442,456	8,657	-37.3%	Shares	Sole	2026-02-13
2025-12-31	$5,487,570	13,800	+2200.0%	Put	Sole	2026-02-13
2025-12-31	$238,590	600	-91.8%	Call	Sole	2026-02-13
2025-09-30	$3,328,800	7,300	+1116.7%	Put	Sole	2025-11-14
2025-09-30	$273,600	600	-62.4%	Call	Sole	2025-11-14
2025-09-30	$727,320	1,595	+59.5%	Shares	Sole	2025-11-14
2025-06-30	$326,090	1,000	-44.4%	Put	Sole	2025-08-13
2025-06-30	$586,962	1,800	+424.8%	Call	Sole	2025-08-13
2025-06-30	$111,848	343	-90.2%	Shares	Sole	2025-08-13
2025-03-31	$945,070	3,500	+4.2%	Call	Sole	2025-05-14
2025-03-31	$907,267	3,360	-46.7%	Shares	Sole	2025-05-14
2025-03-31	$1,701,126	6,300	+270.6%	Put	Sole	2025-05-14
2024-12-31	$400,027	1,700	-69.6%	Put	Sole	2025-02-13
2024-12-31	$1,317,736	5,600	+7.7%	Call	Sole	2025-02-13
2024-09-30	$1,430,156	5,200	-21.2%	Put	Sole	2024-11-14
2024-09-30	$1,815,198	6,600	+400.8%	Call	Sole	2024-11-14
2024-06-30	$320,274	1,318	-70.7%	Shares	Sole	2024-08-14
2024-06-30	$1,093,500	4,500	+12.5%	Call	Sole	2024-08-14
2024-06-30	$972,000	4,000	-84.1%	Put	Sole	2024-08-14
2024-03-31	$3,761,955	25,172	-69.5%	Shares	Sole	2024-05-15
2024-03-31	$12,329,625	82,500	+353.3%	Put	Sole	2024-05-15
2024-03-31	$2,719,990	18,200	+13.8%	Call	Sole	2024-05-15
2023-12-31	$3,062,560	16,000	-28.9%	Call	Sole	2024-02-14
2023-12-31	$4,308,830	22,511	-76.6%	Shares	Sole	2024-02-14
2023-12-31	$18,394,501	96,100	+452.3%	Put	Sole	2024-02-14
2023-09-30	$3,081,540	17,400	+30.8%	Put	Sole	2023-11-21
2023-09-30	$2,355,430	13,300	+196.3%	Call	Sole	2023-11-21
2023-06-30	$852,640	4,489	-80.6%	Shares	Sole	2023-08-14
2023-06-30	$4,387,614	23,100	+110.0%	Put	Sole	2023-08-14
2023-06-30	$2,089,340	11,000	-48.8%	Call	Sole	2023-08-14
2023-03-31	$4,306,880	21,500	-22.1%	Call	Sole	2023-05-15
2023-03-31	$5,528,832	27,600	+357.2%	Put	Sole	2023-05-15
2023-03-31	$1,209,331	6,037	-85.5%	Shares	Sole	2023-05-15
2022-12-31	$9,862,475	41,500	+117.3%	Put	Sole	2023-02-14
2022-12-31	$4,539,115	19,100	-32.3%	Call	Sole	2023-02-14
2022-09-30	$5,649,115	28,223	-50.7%	Shares	Sole	2022-11-14
2022-09-30	$11,469,168	57,300	-48.1%	Call	Sole	2022-11-14
2022-09-30	$22,077,648	110,300	+49.7%	Put	Sole	2022-11-14
2022-06-30	$10,749,145	73,700	+510.7%	Put	Sole	2022-08-08
2022-06-30	$1,760,263	12,069	-58.1%	Shares	Sole	2022-08-08
2022-06-30	$4,200,480	28,800	+78.9%	Call	Sole	2022-08-08
2022-03-31	$2,628,969	16,100	-37.6%	Put	Sole	2022-05-16
2022-03-31	$4,212,882	25,800	+680.6%	Call	Sole	2022-05-16
2021-12-31	$560,461	3,305	+561.0%	Shares	Sole	2022-02-14
2021-12-31	$84,790	500	-94.8%	Call	Sole	2022-02-14
2021-12-31	$1,627,968	9,600	+77.8%	Put	Sole	2022-02-14
2021-09-30	$1,019,574	5,400	—	Put	Sole	2021-11-15
No filing history on record for this holder in this stock.