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Equibles

JANE STREET GROUP, LLC

Position in INSM — INSMED Inc

CIK 1595888 NEW YORK, NY
Back to INSM Full portfolio

Position in INSM

as of Mar 31, 2026 · filed May 12, 2026
Position Value
$1,864,291
-$486,119 QoQ
Shares Held
11,401
-15.6% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.00%
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)

Derivatives in INSM

reported options exposure · as of Mar 31, 2026
CallValue
$54,697,440
CallShares
334,500
PutValue
$17,938,144
PutShares
109,700

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 Mar 31, 2026

JANE STREET GROUP, LLC holds $1,253,826,569 across 316 Biotechnology names. INSM ranks #90 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 BBIO
BridgeBio Pharma, Inc.
 1,757,672 $130,524,721
2 RPRX
Royalty Pharma plc
 2,400,382 $115,146,324
3 TGTX
Tg Therapeutics, Inc.
 2,041,669 $67,824,242
4 VRTX
Vertex Pharmaceuticals Inc / Ma
 122,946 $54,900,305
5 HALO
Halozyme Therapeutics, Inc.
 831,707 $53,753,223
6 EXEL
Exelixis, Inc.
 1,087,030 $46,622,715
7 JAZZ
Jazz Pharmaceuticals plc
 223,615 $42,274,415
8 BNTX
BioNTech SE
 336,757 $29,930,962

All Filings in INSM

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $54,697,440 334,500
2026-03-31 $1,864,291 11,401
2026-03-31 $17,938,144 109,700
2025-12-31 $80,684,944 463,600
2025-12-31 $2,350,410 13,505
2025-12-31 $96,957,684 557,100
2025-09-30 $114,017,612 791,734
2025-09-30 $112,673,424 782,400
2025-09-30 $34,259,979 237,900
2025-06-30 $14,703,504 146,100
2025-06-30 $74,252,192 737,800
2025-06-30 $136,158,068 1,352,922
2025-03-31 $12,793,833 167,700
2025-03-31 $9,504,741 124,587
2025-03-31 $56,607,180 742,000
2024-12-31 $8,478,112 122,800
2024-12-31 $18,207,297 263,721
2024-12-31 $50,709,880 734,500
2024-09-30 $48,156,275 659,675
2024-09-30 $76,124,400 1,042,800
2024-09-30 $19,220,900 263,300
2024-06-30 $56,280,000 840,000
2024-03-31 $7,351,496 270,973
2023-12-31 $3,501,063 112,974
2023-09-30 $896,753 35,515
2023-06-30 $3,113,051 147,538
2023-03-31 $1,020,510 59,854
2022-12-31 $312,686 15,650
2022-09-30 $858,540 39,858
2022-06-30 $588,168 29,826
2022-03-31 $587,500 25,000
2022-03-31 $387,726 16,499
2021-12-31 $2,029,842 74,517
2021-12-31 $1,146,804 42,100
2021-12-31 $885,300 32,500
2021-09-30 $283,662 10,300
2021-09-30 $714,194 25,933
2021-06-30 $1,053,645 37,022
2021-06-30 $523,664 18,400
2021-06-30 $290,292 10,200
2021-03-31 $844,688 24,800
2021-03-31 $885,560 26,000
2021-03-31 $507,527 14,901
2020-12-31 $1,904,087 57,197
2020-12-31 $672,458 20,200
2020-12-31 $1,118,544 33,600
2020-09-30 $1,002,768 31,200
2020-09-30 $1,020,412 31,749
2020-09-30 $3,612,536 112,400
2020-06-30 $1,696,464 61,600

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