SUMMIT SECURITIES GROUP LLC
Broker-DealerPosition in DYN — Dyne Therapeutics, Inc.
CIK 1531593
NEW YORK, NY
Position in DYN
as of Jun 30, 2026
· filed Aug 3, 2026
Position Value
$28,162
-$7,758 QoQ
Shares Held
1,268
+26.8% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#191
of 245 holders
Holding Since
Mar 2024
4 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, 2026SUMMIT SECURITIES GROUP LLC holds $2,866,317 across 26 Biotechnology names. DYN ranks #9 (1.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABVX |
Abivax S.A.
|
14,000 | $1,865,640 | |
| 2 | INSM |
INSMED Inc
|
3,800 | $405,156 | |
| 3 | KYMR |
Kymera Therapeutics, Inc.
|
750 | $86,002 | |
| 4 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
148 | $79,468 | |
| 5 | ARWR |
Arrowhead Pharmaceuticals, Inc.
|
971 | $79,146 | |
| 6 | CGON |
CG Oncology, Inc.
|
976 | $69,344 | |
| 7 | RYTM |
Rhythm Pharmaceuticals, Inc.
|
543 | $60,289 | |
| 8 | TARS |
Tarsus Pharmaceuticals, Inc.
|
634 | $39,903 |
All Filings in DYN
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $28,162 | 1,268 | Shares | Sole | 2026-08-03 | |
| 2024-09-30 | $35,920 | 1,000 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $35,290 | 1,000 | Shares | Sole | 2024-07-26 | |
| 2024-03-31 | $28,390 | 1,000 | Shares | Sole | 2024-05-13 | |
| No filing history on record for this holder in this stock. | ||||||