$DSGN

$10.63 +$0.29 (2.8%) Close

$DSGN Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 62.6M shares outstanding

Who owns DSGN?

By type of holder

Institutions 69.1% Insiders 12.0% Everyone else 18.9%

Concentration Top 10 holders own 52.4%

SR One Capital Management, LP 10.4% · SR One Capital Fund I Aggregator, LP 10.4%

Institutional ownership

69.1%

+8.4 pts vs last qtr

Institutional holders

133

+8 vs last qtr

Net shares bought

+5.3M

by institutions in Q2 2026

New / sold out

25 / 17

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Frazier Life Sciences Management, L.P. NEW +1.8M
Trails Edge Capital Partners, LP +1.1M

Biggest sellers in Q2 2026

Ra Capital Management, L.P. SOLD OUT −3.0M
Kynam Capital Management, LP SOLD OUT −784.6K

Who is planning to sell?

Notices of proposed sale, last 12 months

$8.12M

3 notices from 1 person

Shares covered

1.2M

1.85% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Logos Global Master Fund LP Director $8.12M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2021–FY2025

+24.8%

+5.70% a year

Each share's claim on the business

−19.9%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $56.3M

over 5 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years35% 3–5 years19% 1–3 years19% Under 1 year26%

Quarterly turnover

24.6%

of institutional shares changed hands

Top 10 managers, median time held

4.5 years

Super Investors

Investment managers reporting DSGN on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
SO SR One Capital Management, LP	6.5M	10.43%	Unchanged	2021	9.1%
Shares held by quarter Peak holding6.5M (Q3'24) Change over 8 quarters0 Share of the company10.430% SR One Capital Management, LP's full portfolio →
LG Logos Global Management LP 13D · 4.4%	3.0M	4.79%	+1.1M (+53.8%)	≤2021	1.9%
Shares held by quarter Peak holding4.2M (Q3'24) Change over 8 quarters−1.2M Share of the company4.790% Disclosed stake13D · 4.4% Logos Global Management LP's full portfolio →

SR One Capital Management, LP

6.5M

% of company

10.43%

Change vs last qtr

Unchanged

Held since

2021

Logos Global Management LP

13D · 4.4%

3.0M

% of company

4.79%

Change vs last qtr

+1.1M (+53.8%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Design Therapeutics, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting DSGN on Form N-PORT; together they hold 12.3% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$16.8M	1.2M	1.86%	0.00%	June 30, 2026
IR iShares Russell 2000 ETF iShares Trust	$11.8M	816.4K	1.30%	0.01%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$16.8M

% of company

1.86%

% of the fund

0.00%

As of

June 30, 2026

iShares Russell 2000 ETF

iShares Trust

Position value

$11.8M

% of company

1.30%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Design Therapeutics, Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
SO SR One Capital Fund I Aggregator, LP 5%+ holder 13D · 10.6%	6.5M	10.43%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company10.430% Disclosed stake13D · 10.6% View the 13D/G filing →
AW Arsani William 5%+ holder 13D · 4.4%	2.5M	4.02%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company4.020% Disclosed stake13D · 4.4% View the 13D/G filing →

SR One Capital Fund I Aggregator, LP

5%+ holder13D · 10.6%

6.5M

% of company

10.43%

Change vs last qtr

—

Held since

—

Arsani William

5%+ holder13D · 4.4%

2.5M

% of company

4.02%

Change vs last qtr

—

Held since

—

2 more holders behind a free account

See every insider and 5%+ holder of Design Therapeutics, Inc..

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