Atlas Venture Life Science Advisors, LLC
Position in DYN — Dyne Therapeutics, Inc.
CIK 1917529
CAMBRIDGE, MA
Position in DYN
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$151,030,198
-$14,505,132 QoQ
Shares Held
6,800,099
-25.5% QoQ
Ownership
3.64%
of shares outstanding
% of Portfolio
17.14%
of 13F equity value
Holder Rank
#7
of 245 holders
Holding Since
Dec 2021
19 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, 2026Atlas Venture Life Science Advisors, LLC holds $881,289,155 across 7 Biotechnology names. DYN ranks #2 (17.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | KYMR |
Kymera Therapeutics, Inc.
|
2,847,541 | $326,527,526 | |
| 2 | DYN |
Dyne Therapeutics, Inc.
This page
|
6,800,099 | $151,030,198 | |
| 3 | SION |
Sionna Therapeutics, Inc.
|
2,995,602 | $131,776,531 | |
| 4 | KLRA |
Kailera Therapeutics, Inc.
|
5,171,282 | $113,923,342 | |
| 5 | IRON |
Disc Medicine, Inc.
|
1,513,875 | $110,724,817 | |
| 6 | QTTB |
Q32 Bio Inc.
|
2,717,106 | $34,615,930 | |
| 7 | KRRO |
Korro Bio, Inc.
|
962,884 | $12,690,811 |
All Filings in DYN
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19 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $151,030,198 | 6,800,099 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $165,535,330 | 9,130,465 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $178,591,895 | 9,130,465 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $115,500,382 | 9,130,465 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $86,922,026 | 9,130,465 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $95,504,663 | 9,130,465 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $188,935,980 | 8,019,354 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $288,083,285 | 8,020,136 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $283,030,599 | 8,020,136 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $227,691,661 | 8,020,136 | Shares | Sole | 2024-05-06 | |
| 2023-12-31 | $131,476,471 | 9,885,449 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $88,573,623 | 9,885,449 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $111,211,301 | 9,885,449 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $113,880,372 | 9,885,449 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $114,387,307 | 9,869,483 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $113,473,255 | 8,934,902 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $61,382,776 | 8,934,902 | Shares | Sole | 2022-08-03 | |
| 2022-03-31 | $86,132,455 | 8,934,902 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $106,235,984 | 8,934,902 | Shares | Sole | 2022-05-16 | |
| No filing history on record for this holder in this stock. | ||||||