Shattuck Labs, Inc.

STTK

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001680367

SEC filings (opens in a new tab)

In the last 90 days, Shattuck Labs, Inc. insiders filed 0 open-market purchases and 1 sale; 100 institutions reported holding it in 13F filings for Q2 2026, worth $581.3M in total; no superinvestor holds it.

Q1 2026 vs. Q4 2025

How the institutions holding Shattuck Labs, Inc. changed between Q4 2025 and Q1 2026.

All holders in Q1 2026 All holders in Q4 2025

13F holders of STTK: Q4 2025 compared with Q1 2026
Measure	Q4 2025	Of which not filed for Q1 2026	Q1 2026	Change
Holders	65	1	84	+20
Shares	42.0M	2.38M	56.1M	+16.4M (+41.4%)
Value	$153.4M	$8.68M	$360.4M	+$215.7M (+149.1%)

1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (24)

Institutions that held Shattuck Labs, Inc. at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to STTK in Q1 2026
Institution	Shares	Value	% of portfolio
Vanguard Capital Management LLC	2,277,176	$14.6M	0.00%
S&G Foundation	435,749	$2.80M	0.15%
Vanguard Fiduciary Trust Co	324,588	$2.09M	0.00%
Diadema Partners LP	293,664	$1.89M	0.78%
Algert Global LLC	286,072	$1.84M	0.03%
Hudson Bay Capital Management LP	228,817	$1.47M	0.01%
Deutsche Bank AG	194,773	$1.25M	0.00%
Barclays PLC	119,879	$770.8K	0.00%
HRT Financial LP	90,698	$583.0K	0.00%
Brevan Howard Capital Management LP	79,476	$511.0K	0.01%
Persistent Asset Partners Ltd	74,229	$477.3K	0.19%
Hillsdale Investment Management Inc.	65,400	$420.5K	0.01%
Davis Asset Management, L.P.	48,276	$310.4K	0.01%
HSBC Holdings PLC	42,445	$268.7K	0.00%
Dynamic Technology Lab Private Ltd	29,588	$190.3K	0.03%
Vanguard Global Advisers, LLC	26,295	$169.1K	0.00%
Jump Financial, LLC	24,686	$158.7K	0.00%
Benjamin Edwards Inc	23,400	$150.5K	0.00%
Diametric Capital, LP	18,434	$118.5K	0.03%
Catalyst Funds Management Pty Ltd	17,900	$115.1K	0.02%
Verdad Advisers, LP	13,378	$86.0K	0.10%
Quadrature Capital Ltd	12,134	$78.0K	0.00%
Schonfeld Strategic Advisors LLC	11,533	$74.2K	0.00%
US Bancorp	8,010	$51.5K	0.00%

Sold out (4)

Institutions that held Shattuck Labs, Inc. at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of STTK in Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
Two Sigma Advisers, LP	170,600	$622.7K
Prudential Financial Inc	17,700	$64.6K
Keel Point, LLC	14,270	$52.1K
Stoneridge Investment Partners LLC	10,453	$38.0K

Not filed for Q1 2026 yet (1)

Institutions that held Shattuck Labs, Inc. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding STTK in Q4 2025 that haven't filed for Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
Vanguard Group Inc	2,377,746	$8.68M