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ADAGE CAPITAL PARTNERS GP, L.L.C.

Position in INSM — INSMED Inc

CIK 1165408 Boston, MA

Position in INSM

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$147,168,000
+$94,956,000 QoQ
Shares Held
900,000
+200.0% QoQ
Ownership
0.415%
of shares outstanding
% of Portfolio
0.23%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2022
13 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

ADAGE CAPITAL PARTNERS GP, L.L.C. holds $4,579,664,431 across 120 Biotechnology names. INSM ranks #7 (3.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 INSM
INSMED Inc
This page
900,000 $147,168,000

All Filings in INSM

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13 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $147,168,000 900,000
2025-12-31 $52,212,000 300,000
2025-09-30 $180,372,957 1,252,503
2025-06-30 $287,775,249 2,859,452
2025-03-31 $262,967,357 3,446,944
2024-12-31 $113,747,680 1,647,562
2024-09-30 $75,377,026 1,032,562
2024-06-30 $88,775,000 1,325,000
2024-03-31 $6,782,500 250,000
2023-12-31 $18,594,000 600,000
2023-09-30 $15,150,000 600,000
2022-09-30 $10,231,500 475,000
2022-06-30 $7,325,980 371,500