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MILLENNIUM MANAGEMENT LLC

Position in INSM — INSMED Inc

CIK 1273087 NEW YORK, NY

Position in INSM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$218,358,293
+$29,037,127 QoQ
Shares Held
2,048,005
+76.9% QoQ
Ownership
0.938%
of shares outstanding
% of Portfolio
0.17%
of 13F equity value
Holder Rank
#23
of 663 holders
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in INSM Over Time

Shares Held

Position Value (USD)

Derivatives in INSM

reported options exposure · as of Jun 30, 2026
CallValue
$92,119,680
CallShares
864,000
PutValue
$1,727,244
PutShares
16,200

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 Jun 30, 2026

MILLENNIUM MANAGEMENT LLC holds $4,595,633,334 across 322 Biotechnology names. INSM ranks #2 (4.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 INSM
INSMED Inc
This page
2,048,005 $218,358,293

All Filings in INSM

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39 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $218,358,293 2,048,005
2026-06-30 $1,727,244 16,200
2026-06-30 $92,119,680 864,000
2026-03-31 $22,451,296 137,300
2026-03-31 $189,321,166 1,157,786
2025-12-31 $228,280,262 1,311,654
2025-12-31 $208,848 1,200
2025-09-30 $336,423,489 2,336,112
2025-06-30 $805,120 8,000
2025-06-30 $213,529,598 2,121,717
2025-03-31 $51,815,481 679,191
2025-03-31 $762,900 10,000
2024-12-31 $517,800 7,500
2024-12-31 $48,259,374 699,006
2024-12-31 $4,963,976 71,900
2024-09-30 $41,234,488 564,856
2024-09-30 $7,840,200 107,400
2024-06-30 $6,050,100 90,300
2024-06-30 $80,300,170 1,198,510
2024-06-30 $2,834,100 42,300
2024-03-31 $1,212,711 44,700
2024-03-31 $7,504,646 276,618
2023-12-31 $49,738,980 1,605,001
2023-09-30 $54,914,432 2,174,829
2023-06-30 $1,917,188 90,862
2023-03-31 $4,228,246 247,991
2022-09-30 $19,818,458 920,077
2022-06-30 $4,714,618 239,078
2022-03-31 $1,237,768 52,671
2021-12-31 $1,153,096 42,331
2021-06-30 $334,490 11,753
2021-03-31 $245,879 7,219
2020-12-31 $3,661,900 110,000
2020-12-31 $1,883,914 56,591
2020-09-30 $6,209,865 193,213
2020-06-30 $8,349,522 303,178
2020-06-30 $275,400 10,000
2020-03-31 $6,897,564 430,291
2020-03-31 $160,300 10,000