Position in INSM
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$11,743,842
+$8,990,530 QoQ
Shares Held
71,819
+354.0% QoQ
Ownership
0.033%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2021
16 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, 2026CallValue
$3,777,312
CallShares
23,100
PutValue
$4,382,336
PutShares
26,800
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, 2026Walleye Capital LLC holds $278,665,088 across 103 Biotechnology names. INSM ranks #7 (4.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BMRN |
Biomarin Pharmaceutical Inc
|
364,246 | $20,576,256 | |
| 2 | BBIO |
BridgeBio Pharma, Inc.
|
228,593 | $16,975,316 | |
| 3 | JAZZ |
Jazz Pharmaceuticals plc
|
87,365 | $16,516,353 | |
| 4 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
30,752 | $13,731,998 | |
| 5 | DNTH |
Dianthus Therapeutics, Inc. /DE/
|
153,585 | $12,888,853 | |
| 6 | CELC |
Celcuity Inc.
|
105,688 | $12,063,228 | |
| 7 | INSM |
INSMED Inc
This page
|
71,819 | $11,743,842 | |
| 8 | SNDX |
Syndax Pharmaceuticals Inc
|
384,973 | $8,992,969 |
All Filings in INSM
Export CSV
31 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $3,777,312 | 23,100 | Call | Sole | 2026-05-13 | |
| 2026-03-31 | $4,382,336 | 26,800 | Put | Sole | 2026-05-13 | |
| 2026-03-31 | $11,743,842 | 71,819 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $2,436,560 | 14,000 | Put | Sole | 2026-02-13 | |
| 2025-12-31 | $2,753,312 | 15,820 | Shares | Sole | 2026-02-13 | |
| 2025-12-31 | $5,673,704 | 32,600 | Call | Sole | 2026-02-13 | |
| 2025-09-30 | $8,525,392 | 59,200 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $1,900,932 | 13,200 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $997,989 | 6,930 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $1,117,104 | 11,100 | Call | Sole | 2025-08-13 | |
| 2025-06-30 | $8,897,179 | 88,406 | Shares | Sole | 2025-08-13 | |
| 2025-06-30 | $241,536 | 2,400 | Put | Sole | 2025-08-13 | |
| 2025-03-31 | $267,015 | 3,500 | Call | Sole | 2025-05-14 | |
| 2025-03-31 | $2,630,326 | 34,478 | Shares | Sole | 2025-05-14 | |
| 2025-03-31 | $259,386 | 3,400 | Put | Sole | 2025-05-14 | |
| 2024-12-31 | $4,749,952 | 68,800 | Call | Sole | 2025-02-13 | |
| 2024-12-31 | $207,120 | 3,000 | Put | Sole | 2025-02-13 | |
| 2024-09-30 | $4,633,821 | 63,477 | Shares | Sole | 2024-11-14 | |
| 2024-09-30 | $1,912,600 | 26,200 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $3,182,800 | 43,600 | Call | Sole | 2024-11-14 | |
| 2024-06-30 | $3,077,109 | 45,927 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $5,185,682 | 191,142 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $3,669,556 | 118,411 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $1,819,767 | 72,070 | Shares | Sole | 2023-11-21 | |
| 2023-03-31 | $351,230 | 20,600 | Call | Sole | 2023-05-15 | |
| 2023-03-31 | $1,132,802 | 66,440 | Shares | Sole | 2023-05-15 | |
| 2023-03-31 | $46,035 | 2,700 | Put | Sole | 2023-05-15 | |
| 2022-09-30 | $4,016,391 | 186,462 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $2,450,900 | 124,285 | Shares | Sole | 2022-08-19 | |
| 2022-03-31 | $2,513,607 | 106,962 | Shares | Sole | 2022-05-27 | |
| 2021-12-31 | $1,352,111 | 49,637 | Shares | Sole | 2022-05-27 | |
| No filing history on record for this holder in this stock. | ||||||