Rockefeller Capital Management L.P.
Position in DYN — Dyne Therapeutics, Inc.
CIK 1739439
NEW YORK, NY
Position in DYN
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$317,113
+$42,246 QoQ
Shares Held
14,278
-5.8% QoQ
Ownership
0.008%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#158
of 245 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority
Sole 83%
Shared 0%
None 17%
Common Shares in DYN Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Rockefeller Capital Management L.P. holds $307,135,875 across 241 Biotechnology names. DYN ranks #53 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
149,476 | $74,249,211 | |
| 2 | JAZZ |
Jazz Pharmaceuticals plc
|
167,409 | $40,340,545 | |
| 3 | ACAD |
Acadia Pharmaceuticals Inc
|
1,015,420 | $25,690,124 | |
| 4 | BMRN |
Biomarin Pharmaceutical Inc
|
433,376 | $24,797,774 | |
| 5 | PTCT |
Ptc Therapeutics, Inc.
|
302,393 | $24,666,195 | |
| 6 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
29,015 | $15,579,603 | |
| 7 | REGN |
Regeneron Pharmaceuticals, Inc.
|
21,563 | $13,445,391 | |
| 8 | CORT |
Corcept Therapeutics Inc
|
123,388 | $10,728,585 |
All Filings in DYN
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $317,113 | 14,278 | Shares | Defined | 2026-08-13 | |
| 2026-03-31 | $274,867 | 15,161 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $279,081 | 14,268 | Shares | Defined | 2026-03-17 | |
| 2025-09-30 | $108,005 | 8,538 | Shares | Defined | 2025-11-14 | |
| No filing history on record for this holder in this stock. | ||||||