Position in DYN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$38,972,063
+$4,116,361 QoQ
Shares Held
1,754,708
-8.7% QoQ
Ownership
0.940%
of shares outstanding
% of Portfolio
0.65%
of 13F equity value
Holder Rank
#28
of 245 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in DYN 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. DYN ranks #6 (9.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | INSM |
INSMED Inc
|
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.
This page
|
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 DYN
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $38,972,063 | 1,754,708 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $34,855,702 | 1,922,543 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $29,204,544 | 1,493,075 | Shares | Defined | 2026-02-17 | |
| No filing history on record for this holder in this stock. | ||||||