Comparable stake leader
SR One Capital Fund I Aggregator LP
SEC ownership of Design Therapeutics, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001807120.
Disclosed value leader
SR ONE CAPITAL MANAGEMENT, LP
Comparable rows
50/50
Latest evidence
30 Jun 2026
- Public ticker
- DSGN on Nasdaq
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
SR One Capital Fund I Aggregator LP
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
SR One Capital Fund I Aggregator LP
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001807120
- Issuer location
- Carlsbad, CA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Design Therapeutics, Inc. (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
SR One Capital Fund I Agg...
Disclosed value leader
SR ONE CAPITAL MANAGEMENT...
Comparable rows
50/50
Latest evidence
30 Jun 2026
13D/G
3/4/5
13F
Lead comparable stake: 11%
13D/G row: SR One Capital Fund I Aggregator LP
Showing 1-8 of 50 holder rows.
Quick read
SR One Capital Fund I Aggregator LP leads the comparable SEC ownership view at 11%.
50 of 50 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 SR One Capital Fund I Aggregator LP's linked filing trail.
Comparable ownership
Top 5
SR One Capital Fund I Aggregator LP
11%
Sirenia Capital Management LP
9.5%
Light Irrevocable Trust #1 dated ...
6.9%
Star Irrevocable Trust #1 dated A...
6.9%
Logos Global Management LP
4.4%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| SR One Capital Fund I Aggregator LP |
13D/G
3/4/5
Simeon George · 10%+ Owner
|
11%
|
$62,048,106
6,607,892 shares
|
$0 | 09 Mar 2026 |
| Sirenia Capital Management LP |
13D/G
|
9.5%
|
$93,275,959
5,963,936 shares
|
$0 | 30 Jun 2026 |
| Light Irrevocable Trust #1 dated April 22, 2019 |
13D/G
|
6.9%
|
$16,257,665
3,834,355 shares
|
$0 | 31 Dec 2024 |
| Star Irrevocable Trust #1 dated April 22, 2019 |
13D/G
|
6.9%
|
$16,257,665
3,834,355 shares
|
$0 | 31 Dec 2024 |
| Logos Global Management LP |
13F
13D/G
Company · Arsani William
|
4.4%
from 13D/G
|
$43,410,000
3,000,000 shares
|
— | 30 Jun 2026 |
| Point72 Asset Management, L.P. |
13D/G
13F
Company
|
3.8%
|
$37,011,325
2,366,453 shares
|
-$13,001,704 | 30 Jun 2026 |
| SR ONE CAPITAL MANAGEMENT, LP |
13F
Company
|
10%
|
$94,438,108
6,526,476 shares
|
— | 30 Jun 2026 |
| BAKER BROS. ADVISORS LP |
13F
Company
|
4.3%
|
$38,756,882
2,678,430 shares
|
— | 30 Jun 2026 |
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.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 06 Oct 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-19 of 19 reporting-owner rows connected to Design Therapeutics, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
19
Largest Forms 3/4/5 holder
Arsani William
Net 12M change
$0
Latest report
09 Jun 2026
Recent insider transactions for Design Therapeutics, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Simeon George | DSGN | Stock Option (right to buy) | Award | 30,000 | 30,000 | 09 Jun 2026 | Direct | |||
| John P. Schmid | DSGN | Stock Option (right to buy) | Award | 30,000 | 30,000 | 09 Jun 2026 | Direct | |||
| Rodney W. Lappe | DSGN | Stock Option (right to buy) | Award | 30,000 | 30,000 | 09 Jun 2026 | Direct | |||
| Justin D. Gover | DSGN | Stock Option (right to buy) | Award | 30,000 | 30,000 | 09 Jun 2026 | Direct | |||
| David Shapiro | DSGN | Stock Option (right to buy) | Award | 30,000 | 30,000 | 09 Jun 2026 | Direct | |||
| Heather A. Berger | DSGN | Stock Option (right to buy) | Award | 30,000 | 30,000 | 09 Jun 2026 | Direct | |||
| David Shapiro | DSGN | Stock option (right to buy) | Award | 67,500 | 60,000 | 31 Mar 2026 | Direct | |||
| Chris Storgard | DSGN | Stock option (right to buy) | Award | 250,000 | 250,000 | 02 Jan 2026 | Direct | |||
| Sean Jeffries | DSGN | Stock option (right to buy) | Award | 375,000 | 375,000 | 02 Jan 2026 | Direct | |||
| Julie Burgess | DSGN | Stock option (right to buy) | Award | 150,000 | 150,000 | 02 Jan 2026 | Direct | |||
| Justin D. Gover | DSGN | Stock option (right to buy) | Award | 45,000 | 45,000 | 02 Jan 2026 | Direct | |||
| Pratik Shah | DSGN | Stock option (right to buy) | Award | 750,000 | 750,000 | 02 Jan 2026 | Direct | |||
| Pratik Shah | DSGN | Stock option (right to buy) | Award | 1,050,000 | 525,000 | 09 Dec 2025 | Direct |
* marks a reported price that did not pass the local price check.