Rafferty Asset Management, LLC

Position in INSM — INSMED Inc

CIK 1389426 New York, NY

Position in INSM

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

Position Value

$18,979,602

+$1,434,282 QoQ

Shares Held

116,069

+15.1% QoQ

Ownership

0.054%

of shares outstanding

% of Portfolio

0.10%

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. INSM ranks #3 (4.6% 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 This page	116,069	$18,979,602
4	ALNY	Alnylam Pharmaceuticals, Inc.	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	$18,979,602	116,069	+15.1%	Shares	Sole	2026-05-15
2025-12-31	$17,545,320	100,812	+82.8%	Shares	Sole	2026-02-13
2025-09-30	$7,943,447	55,159	-43.8%	Shares	Sole	2025-11-12
2025-06-30	$9,873,790	98,110	-32.8%	Shares	Sole	2025-08-14
2025-03-31	$11,137,119	145,984	-19.3%	Shares	Sole	2025-05-14
2024-12-31	$12,490,233	180,913	-20.2%	Shares	Sole	2025-02-14
2024-09-30	$16,556,400	226,800	+102.1%	Shares	Sole	2024-11-13
2024-06-30	$7,518,338	112,214	-66.0%	Shares	Sole	2024-08-13
2024-03-31	$8,942,997	329,635	+2.7%	Shares	Sole	2024-05-13
2023-12-31	$9,950,486	321,087	+17.4%	Shares	Sole	2024-02-13
2023-09-30	$6,906,481	273,524	-26.3%	Shares	Sole	2023-11-13
2023-06-30	$7,830,758	371,126	-1.9%	Shares	Sole	2023-08-11
2023-03-31	$6,449,128	378,248	-13.4%	Shares	Sole	2023-05-11
2022-12-31	$8,727,303	436,802	+56.5%	Shares	Sole	2023-02-13
2022-09-30	$6,011,383	279,080	+52.4%	Shares	Sole	2022-11-14
2022-06-30	$3,612,211	183,175	-24.2%	Shares	Sole	2022-08-12
2022-03-31	$5,675,250	241,500	+20.9%	Shares	Sole	2022-05-13
2021-12-31	$5,443,015	199,817	+74.1%	Shares	Sole	2022-02-10
2021-09-30	$3,160,875	114,774	+32.3%	Shares	Sole	2021-11-10
2021-06-30	$2,469,730	86,779	+1.9%	Shares	Sole	2021-08-10
2021-03-31	$2,901,230	85,180	+264.5%	Shares	Sole	2021-05-10
2020-12-31	$778,020	23,371	-66.5%	Shares	Sole	2021-02-10
2020-09-30	$2,239,675	69,685	+98.4%	Shares	Sole	2020-11-13
2020-06-30	$967,232	35,121	+247.0%	Shares	Sole	2020-08-07
2020-03-31	$162,239	10,121	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.