$STTK

$5.77 +$0.23 (4.15%) Close

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

Ownership

13F as of Q2 2026 · 100.4M shares outstanding

Who owns STTK?

By type of holder

Institutions 83.5% Insiders 11.4% Everyone else 5.1%

Concentration Top 10 holders own 73.8%

T. Rowe Price Investment Management, Inc. 13.4% · Jeremy C. Green 10.0%

Institutional ownership

83.5%

+27.6 pts vs last qtr

Institutional holders

+15 vs last qtr

Net shares bought

+27.7M

by institutions in Q2 2026

New / sold out

37 / 22

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Frazier Life Sciences Management, L.P. NEW +3.8M
Deep Track Capital, LP NEW +3.7M

Biggest sellers in Q2 2026

Ameriprise Financial Inc −870.2K
Susquehanna International Group, LLP SOLD OUT −716.0K

Who is planning to sell?

Notices of proposed sale, last 12 months

$604K

5 notices from 2 people

Shares covered

85.9K

0.09% of the company

Arranged in advance

100%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Arunthathy Pandite Officer 10b5-1 $421K
Shukla Abhinav A. Officer 10b5-1 $183K

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, FY2020–FY2025

+348.8%

+35.02% a year

Each share's claim on the business

−77.7%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $36.7M

over 6 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+ years25% 3–5 years11% 1–3 years13% Under 1 year52%

Quarterly turnover

33.8%

of institutional shares changed hands

Top 10 managers, median time held

2.5 years

Super Investors

Investment managers reporting STTK on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
TR T. Rowe Price Investment Management, Inc.	13.4M	13.38%	+3.6M (+36.2%)	Q4 '25	0.1%
Shares held by quarter Peak holding13.4M (Q2'26) Change over 8 quarters+13.4M Share of the company13.380% T. Rowe Price Investment Management, Inc.'s full portfolio →
AC Adage Capital Partners GP, L.L.C.	8.1M	8.09%	+3.5M (+74.9%)	2023	0.1%
Shares held by quarter Peak holding8.1M (Q2'26) Change over 8 quarters+5.2M Share of the company8.090% Adage Capital Partners GP, L.L.C.'s full portfolio →

T. Rowe Price Investment Management, Inc.

13.4M

% of company

13.38%

Change vs last qtr

+3.6M (+36.2%)

Held since

Q4 '25

Adage Capital Partners GP, L.L.C.

8.1M

% of company

8.09%

Change vs last qtr

+3.5M (+74.9%)

Held since

2023

28 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting STTK on Form N-PORT; together they hold 21.4% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
TR T. Rowe Price Small-Cap Value Fund, Inc. T. Rowe Price Small-Cap Value Fund, Inc.	$24.7M	3.6M	3.55%	0.23%	June 30, 2026
TR T. Rowe Price Small-Cap Stock Fund, Inc. T. Rowe Price Small-Cap Stock Fund, Inc.	$21.6M	3.1M	3.10%	0.23%	June 30, 2026

T. Rowe Price Small-Cap Value Fund, Inc.

Position value

$24.7M

% of company

3.55%

% of the fund

0.23%

As of

June 30, 2026

T. Rowe Price Small-Cap Stock Fund, Inc.

Position value

$21.6M

% of company

3.10%

% of the fund

0.23%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Shattuck Labs 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
JC Jeremy C. Green 5%+ holder 13D · 9.9%	10.0M	9.98%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company9.980% Disclosed stake13D · 9.9% View the 13D/G filing →
RB Redmile Biopharma Investments II, L.P. 5%+ holder 13D · 8.1%	8.1M	8.10%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company8.100% Disclosed stake13D · 8.1% View the 13D/G filing →

Jeremy C. Green

5%+ holder13D · 9.9%

10.0M

% of company

9.98%

Change vs last qtr

—

Held since

—

Redmile Biopharma Investments II, L.P.

5%+ holder13D · 8.1%

8.1M

% of company

8.10%

Change vs last qtr

—

Held since

—

10 more holders behind a free account

See every insider and 5%+ holder of Shattuck Labs Inc.

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