Security key
26817R108
- Security type / class
- Equity / COM
- Total 13F shares
- 14,847
- Total 13F value
- $533,304
- Share change
- +14,847
- SEC-reported price per share
- $35.92
- Number of holders
- 1
- Value change
- +$533,304
- Number of buys
- 1
Report period
Q3 2024
Institutions
1
Top holders
1
DYN full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
Dyne Therapeutics, Inc. SEC filings
Dyne Therapeutics, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 26817R108
Recent filing periods:
Ownership snapshot
Top reported holders of DYN - DYNEGY INC NEW DEL - COM (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Atlas Venture Fund XI, L.P.
Disclosed value leader
Atlas Venture Life Scienc...
Comparable rows
0/15
Latest evidence
30 Jun 2024
3/4/5
13F
Highest disclosed value: $283,030,599
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Atlas Venture Life Science Advisors, LLC has the largest disclosed position value at $283.03M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Atlas Venture Life Science Advisors, LLC's linked filing trail.
Disclosed position value
Top 5
Atlas Venture Fund XI, L.P.
$165.71M
Atlas Venture Opportunity Fund I,...
$69.3M
Atlas Venture Opportunity Fund II...
$44.51M
Atlas Venture Life Science Adviso...
$283.03M
FCPM III SERVICES B.V.
$276.86M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Atlas Venture Fund XI, L.P. |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$165,705,095
6,562,578 shares
|
— | 26 Feb 2024 |
| Atlas Venture Opportunity Fund I, L.P. |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$69,297,674
2,306,079 shares
|
— | 01 Mar 2024 |
| Atlas Venture Opportunity Fund II, L.P. |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$44,508,906
2,543,366 shares
|
— | 12 Dec 2022 |
| Atlas Venture Life Science Advisors, LLC |
13F
Company
|
—
denominator unverified
|
$283,030,599
8,020,136 shares
|
— | 30 Jun 2024 |
| FCPM III SERVICES B.V. |
13F
Company
|
—
denominator unverified
|
$276,862,896
7,845,364 shares
|
— | 30 Jun 2024 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$260,686,805
7,386,988 shares
|
— | 30 Jun 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2024
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
1
Shares
14,847
Rows available
1
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2024 vs Q2 2024 Across Filers
Q2 2024 holders
0
Q3 2024 holders
1
Holder diff
1
| Investor | Q2 2024 Shares | Q3 2024 Shares | Share Diff | Share Chg % | Q2 2024 value | Q3 2024 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend