$STOK

$26.13 +$0.67 (2.63%) Close

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

Ownership

13F as of Q2 2026 · 64.5M shares outstanding

Who owns STOK?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 63.8%

BlackRock, Inc. 9.1% · RTW Investments, LP 8.7%

Institutional ownership

100.0%

0 pts vs last qtr

Institutional holders

196

-2 vs last qtr

Net shares bought

+5.1M

by institutions in Q2 2026

New / sold out

30 / 32

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

T. Rowe Price Investment Management, Inc. +2.2M
Jupiter Topco LLC NEW +1.8M

Biggest sellers in Q2 2026

Janus Henderson Group PLC SOLD OUT −1.6M
Lynx1 Capital Management LP −725.3K

Who is planning to sell?

Notices of proposed sale, last 12 months

$48.2M

20 notices from 9 people

Shares covered

1.8M

2.78% of the company

Arranged in advance

20%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Edward Kaye Former affiliate $38.4M
Adrian Krainer Director 10b5-1 $3.72M

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

+61.2%

+12.68% a year

Each share's claim on the business

−38.0%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $124M

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+ years51% 3–5 years5% 1–3 years24% Under 1 year19%

Quarterly turnover

10.9%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting STOK on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	5.9M	9.11%	+491.6K (+9.1%)	≤2021	0.0%
Shares held by quarter Peak holding6.0M (Q3'25) Change over 8 quarters+307.2K Share of the company9.110% BlackRock, Inc.'s full portfolio →
RI RTW Investments, LP	5.6M	8.72%	Unchanged	≤2021	1.6%
Shares held by quarter Peak holding5.6M (Q1'26) Change over 8 quarters+971.2K Share of the company8.720% RTW Investments, LP's full portfolio →

BlackRock, Inc.

5.9M

% of company

9.11%

Change vs last qtr

+491.6K (+9.1%)

Held since

≤2021

RTW Investments, LP

5.6M

% of company

8.72%

Change vs last qtr

Unchanged

Held since

≤2021

28 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting STOK on Form N-PORT; together they hold 34.4% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VH Vanguard Health Care Fund Vanguard Specialized Funds	$65.2M	2.3M	3.50%	0.17%	July 31, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$61.7M	1.9M	2.92%	0.00%	June 30, 2026

Vanguard Health Care Fund

Vanguard Specialized Funds

Position value

$65.2M

% of company

3.50%

% of the fund

0.17%

As of

July 31, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$61.7M

% of company

2.92%

% of the fund

0.00%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Stoke 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
ST Skorpios Trust 5%+ holder 13D · 4.1%	2.3M	3.50%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company3.500% Disclosed stake13D · 4.1% View the 13D/G filing →
MT Montrago Trustees Ltd 5%+ holder 13D · 4.1%	2.3M	3.50%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company3.500% Disclosed stake13D · 4.1% View the 13D/G filing →

Skorpios Trust

5%+ holder13D · 4.1%

2.3M

% of company

3.50%

Change vs last qtr

—

Held since

—

Montrago Trustees Ltd

5%+ holder13D · 4.1%

2.3M

% of company

3.50%

Change vs last qtr

—

Held since

—

10 more holders behind a free account

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

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