Position in INSM
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$25,162,320
+$25,162,320 QoQ
Shares Held
236,000
Ownership
0.108%
of shares outstanding
% of Portfolio
1.00%
of 13F equity value
Holder Rank
#109
of 652 holders
Holding Since
Mar 2020
23 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, 2026CallValue
$67,170,600
CallShares
630,000
PutValue
$78,973,434
PutShares
740,700
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 Jun 30, 2026Caption Management, LLC holds $249,760,911 across 78 Biotechnology names. INSM ranks #2 (10.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CGON |
CG Oncology, Inc.
|
484,461 | $34,420,954 | |
| 2 | INSM |
INSMED Inc
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|
236,000 | $25,162,320 | |
| 3 | ERAS |
Erasca, Inc.
|
1,041,225 | $19,075,242 | |
| 4 | CELC |
Celcuity Inc.
|
170,000 | $17,785,400 | |
| 5 | DSGN |
Design Therapeutics, Inc.
|
1,118,098 | $16,178,878 | |
| 6 | MLYS |
Mineralys Therapeutics, Inc.
|
413,087 | $11,145,087 | |
| 7 | REPL |
Replimune Group, Inc.
|
783,873 | $8,677,474 | |
| 8 | TARS |
Tarsus Pharmaceuticals, Inc.
|
120,700 | $7,596,858 |
All Filings in INSM
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $67,170,600 | 630,000 | Call | Sole | 2026-08-14 | |
| 2026-06-30 | $78,973,434 | 740,700 | Put | Sole | 2026-08-14 | |
| 2026-06-30 | $25,162,320 | 236,000 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $7,064,064 | 43,200 | Call | Sole | 2026-05-15 | |
| 2026-03-31 | $16,401,056 | 100,300 | Put | Sole | 2026-05-15 | |
| 2025-12-31 | $40,934,208 | 235,200 | Call | Sole | 2026-02-17 | |
| 2025-12-31 | $22,625,200 | 130,000 | Shares | Sole | 2026-02-17 | |
| 2025-12-31 | $40,760,168 | 234,200 | Put | Sole | 2026-02-17 | |
| 2025-09-30 | $11,664 | 81 | Shares | Sole | 2025-11-14 | |
| 2025-09-30 | $46,947,260 | 326,000 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $54,363,775 | 377,500 | Call | Sole | 2025-11-14 | |
| 2025-06-30 | $28,390,544 | 282,100 | Put | Sole | 2025-08-14 | |
| 2025-06-30 | $21,227,793 | 210,928 | Shares | Sole | 2025-08-14 | |
| 2025-06-30 | $33,633,888 | 334,200 | Call | Sole | 2025-08-14 | |
| 2025-03-31 | $3,989,967 | 52,300 | Call | Sole | 2025-05-15 | |
| 2025-03-31 | $11,275,662 | 147,800 | Put | Sole | 2025-05-15 | |
| 2024-12-31 | $24,094,545 | 348,994 | Shares | Sole | 2025-02-14 | |
| 2024-12-31 | $29,735,528 | 430,700 | Put | Sole | 2025-02-14 | |
| 2024-12-31 | $25,054,616 | 362,900 | Call | Sole | 2025-02-14 | |
| 2024-09-30 | $6,774,400 | 92,800 | Call | Sole | 2024-11-14 | |
| 2024-09-30 | $31,134,500 | 426,500 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $7,212,400 | 98,800 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $79,368,200 | 1,184,600 | Call | Sole | 2024-08-14 | |
| 2024-06-30 | $69,546,000 | 1,038,000 | Put | Sole | 2024-08-14 | |
| 2024-03-31 | $971,254 | 35,800 | Call | Sole | 2024-05-15 | |
| 2024-03-31 | $16,541,161 | 609,700 | Put | Sole | 2024-05-15 | |
| 2024-03-31 | $2,709,961 | 99,888 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $436,959 | 14,100 | Put | Sole | 2024-02-14 | |
| 2023-09-30 | $10,759,025 | 426,100 | Put | Sole | 2023-11-14 | |
| 2023-09-30 | $2,840,625 | 112,500 | Call | Sole | 2023-11-14 | |
| 2023-06-30 | $1,856,800 | 88,000 | Call | Sole | 2023-08-14 | |
| 2023-06-30 | $2,110,000 | 100,000 | Shares | Sole | 2023-08-14 | |
| 2023-06-30 | $6,994,650 | 331,500 | Put | Sole | 2023-08-14 | |
| 2023-03-31 | $1,841,400 | 108,000 | Put | Sole | 2023-05-15 | |
| 2023-03-31 | $1,841,400 | 108,000 | Call | Sole | 2023-05-15 | |
| 2023-03-31 | $226,765 | 13,300 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $539,460 | 27,000 | Call | Sole | 2023-02-14 | |
| 2022-09-30 | $150,780 | 7,000 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $295,800 | 15,000 | Shares | Sole | 2022-08-15 | |
| 2022-06-30 | $591,600 | 30,000 | Put | Sole | 2022-08-15 | |
| 2022-06-30 | $591,600 | 30,000 | Call | Sole | 2022-08-15 | |
| 2022-03-31 | $705,000 | 30,000 | Shares | Sole | 2022-05-13 | |
| 2022-03-31 | $705,000 | 30,000 | Put | Sole | 2022-05-13 | |
| 2022-03-31 | $705,000 | 30,000 | Call | Sole | 2022-05-13 | |
| 2021-09-30 | $963,900 | 35,000 | Shares | Sole | 2021-11-12 | |
| 2021-09-30 | $2,478,600 | 90,000 | Call | Sole | 2021-11-12 | |
| 2021-09-30 | $2,478,600 | 90,000 | Put | Sole | 2021-11-12 | |
| 2021-06-30 | $1,707,600 | 60,000 | Put | Sole | 2021-08-16 | |
| 2021-06-30 | $1,707,600 | 60,000 | Call | Sole | 2021-08-16 | |
| 2020-12-31 | $426,112 | 12,800 | Shares | Sole | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||