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STATE OF WISCONSIN INVESTMENT BOARD

Position in INSM — INSMED Inc

CIK 854157 MADISON, WI

Position in INSM

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$18,697,857
-$4,209,983 QoQ
Shares Held
114,346
-13.1% QoQ
Ownership
0.053%
of shares outstanding
% of Portfolio
0.05%
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 INSM Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

STATE OF WISCONSIN INVESTMENT BOARD holds $473,893,217 across 164 Biotechnology names. INSM ranks #4 (3.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 INSM
INSMED Inc
This page
114,346 $18,697,857

All Filings in INSM

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $18,697,857 114,346
2025-12-31 $22,907,840 131,624
2025-09-30 $19,205,893 133,365
2025-06-30 $11,871,595 117,961
2025-03-31 $9,610,632 125,975
2024-12-31 $8,430,543 122,111
2024-09-30 $7,980,725 109,325
2024-06-30 $6,917,013 103,239
2024-03-31 $2,698,024 99,448
2023-12-31 $3,481,075 112,329
2023-09-30 $2,892,741 114,564
2023-06-30 $2,503,662 118,657
2023-03-31 $2,130,329 124,946
2022-12-31 $2,680,796 134,174
2022-09-30 $2,620,944 121,678
2022-06-30 $2,531,476 128,371
2022-03-31 $3,694,200 157,200
2021-12-31 $4,282,128 157,200
2021-09-30 $3,753,702 136,300
2021-06-30 $3,879,098 136,300
2021-03-31 $4,642,378 136,300
2020-12-31 $4,727,180 142,000
2020-09-30 $5,219,536 162,400
2020-06-30 $4,472,496 162,400
2020-03-31 $2,202,522 137,400