Rafferty Asset Management, LLC

Position in ALNY — Alnylam Pharmaceuticals, Inc.

CIK 1389426 New York, NY

Position in ALNY

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

Position Value

$16,726,471

-$1,180,106 QoQ

Shares Held

50,553

+12.3% QoQ

Ownership

0.038%

of shares outstanding

% of Portfolio

0.09%

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")%

Healthcare · as of Mar 31, 2026

Rafferty Asset Management, LLC holds $409,131,400 across 136 Biotechnology names. ALNY ranks #4 (4.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	54,572	$24,368,580
2	REGN	Regeneron Pharmaceuticals, Inc.	29,589	$22,861,644
3	INSM	INSMED Inc	116,069	$18,979,602
4	ALNY	Alnylam Pharmaceuticals, Inc. This page	50,553	$16,726,471
5	APLS	Apellis Pharmaceuticals, Inc.	180,471	$7,260,348
6	MRNA	Moderna, Inc.	114,194	$5,801,055
7	INCY	Incyte Corp	60,565	$5,700,377
8	MDGL	Madrigal Pharmaceuticals, Inc.	10,452	$5,471,308

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$16,726,471	50,553	+12.3%	Shares	Sole	2026-05-15
2025-12-31	$17,906,577	45,031	+162.6%	Shares	Sole	2026-02-13
2025-09-30	$7,820,856	17,151	-46.7%	Shares	Sole	2025-11-12
2025-06-30	$10,498,793	32,196	-27.8%	Shares	Sole	2025-08-14
2025-03-31	$12,038,841	44,585	-15.6%	Shares	Sole	2025-05-14
2024-12-31	$12,428,368	52,817	-17.3%	Shares	Sole	2025-02-14
2024-09-30	$17,555,439	63,831	-21.3%	Shares	Sole	2024-11-13
2024-06-30	$19,709,730	81,110	+32.5%	Shares	Sole	2024-08-13
2024-03-31	$9,147,236	61,206	+15.9%	Shares	Sole	2024-05-13
2023-12-31	$10,107,979	52,808	+19.6%	Shares	Sole	2024-02-13
2023-09-30	$7,822,152	44,168	+1.4%	Shares	Sole	2023-11-13
2023-06-30	$8,272,456	43,553	+14.0%	Shares	Sole	2023-08-11
2023-03-31	$7,650,421	38,191	+5.2%	Shares	Sole	2023-05-11
2022-12-31	$8,627,407	36,303	+10.4%	Shares	Sole	2023-02-13
2022-09-30	$6,583,662	32,892	+5.5%	Shares	Sole	2022-11-14
2022-06-30	$4,549,061	31,190	-15.8%	Shares	Sole	2022-08-12
2022-03-31	$6,047,445	37,035	+15.9%	Shares	Sole	2022-05-13
2021-12-31	$5,417,233	31,945	+94.4%	Shares	Sole	2022-02-10
2021-09-30	$3,102,148	16,430	+3.9%	Shares	Sole	2021-11-10
2021-06-30	$2,679,941	15,809	-32.5%	Shares	Sole	2021-08-10
2021-03-31	$3,307,799	23,428	+225.9%	Shares	Sole	2021-05-10
2020-12-31	$934,354	7,189	-55.6%	Shares	Sole	2021-02-10
2020-09-30	$2,359,593	16,206	+63.0%	Shares	Sole	2020-11-13
2020-06-30	$1,472,657	9,943	+143.7%	Shares	Sole	2020-08-07
2020-03-31	$444,108	4,080	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.