Position in INSM
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$78,106,398
+$9,885,038 QoQ
Shares Held
732,568
+75.6% QoQ
Ownership
0.335%
of shares outstanding
% of Portfolio
1.30%
of 13F equity value
Holder Rank
#55
of 663 holders
Holding Since
Dec 2020
21 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in INSM Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026SAMLYN CAPITAL, LLC holds $419,609,524 across 10 Biotechnology names. INSM ranks #1 (18.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | INSM |
INSMED Inc
This page
|
732,568 | $78,106,398 | |
| 2 | AXSM |
Axsome Therapeutics, Inc.
|
246,015 | $60,217,090 | |
| 3 | RCUS |
Arcus Biosciences, Inc.
|
1,547,182 | $47,699,619 | |
| 4 | ELVN |
Enliven Therapeutics, Inc.
|
912,637 | $46,316,326 | |
| 5 | ERAS |
Erasca, Inc.
|
2,256,986 | $41,347,982 | |
| 6 | DYN |
Dyne Therapeutics, Inc.
|
1,754,708 | $38,972,063 | |
| 7 | SYRE |
Spyre Therapeutics, Inc.
|
400,075 | $35,518,657 | |
| 8 | RVMD |
Revolution Medicines, Inc.
|
151,290 | $28,333,589 |
All Filings in INSM
Export CSV
21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $78,106,398 | 732,568 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $68,221,360 | 417,205 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $64,320,831 | 369,575 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $42,143,516 | 292,643 | Shares | Defined | 2025-11-14 | |
| 2024-12-31 | $10,981,776 | 159,064 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $15,439,354 | 211,498 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $24,070,018 | 359,254 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $15,942,507 | 587,634 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $39,880,036 | 1,286,868 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $34,871,688 | 1,381,057 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $41,720,817 | 1,977,290 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $33,717,328 | 1,977,556 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $38,727,133 | 1,938,295 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $25,565,113 | 1,186,867 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $22,060,229 | 1,118,673 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $25,068,882 | 1,066,761 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $35,602,460 | 1,306,992 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $34,794,117 | 1,263,403 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $34,456,918 | 1,210,714 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $19,010,077 | 558,135 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $22,983,780 | 690,411 | Shares | Defined | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||