STTK · NASDAQ · Biotechnology

Shattuck Labs (STTK)

Develops DR3-blocking antibodies for inflammatory and immune-mediated diseases.

$6.71
Pre-market−0.20 (−2.89%)
At close$6.91(+0.58%)

Breakdown13F · 13D/G · Form 4

Institutions83 holders · as of Mar 31, 202655.87%56.07M shares
Insiders7 holders · as of Jul 7, 20261.13%1.13M shares
Strategic holders1 holder · as of Jun 17, 20264.98%5.00M shares
Otherremainder38.02%38.16M shares

100.36M company shares as of Sep 3, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing

Two share counts disagree (100.36M in the company's Sep 3, 2026 report, 90.37M elsewhere); stakes use the report.

Top shareholders13F · 13D/G · Form 4

HolderStakeSharesEvidence
T. Rowe Price Investment Management, Inc.Institution
9.83%9.87M13Fas of Mar 31, 2026
Orbimed Advisors LLCInstitution
6.28%6.31M13Fas of Mar 31, 2026
Redmile Group, LLCInstitution
5.52%5.54M13Fas of Mar 31, 2026
Prosight Management, LPInstitution
4.99%5.00M13Fas of Mar 31, 2026
Deep Track Capital, LPStrategic
4.98%5.00M13Gfiled Jun 17, 2026
Adage Capital Partners GP, L.L.C.Institution
4.63%4.64M13Fas of Mar 31, 2026
Nextbio Capital Management LPInstitution
3.14%3.15M13Fas of Mar 31, 2026
Vanguard Capital Management LLCInstitution
2.27%2.28M13Fas of Mar 31, 2026
Price T Rowe Associates Inc /MD/Institution
1.78%1.78M13Fas of Mar 31, 2026
Clark Estates Inc/NYInstitution
1.47%1.48M13Fas of Mar 31, 2026
Pinnacle Associates LtdInstitution
1.36%1.37M13Fas of Mar 31, 2026
Abrdn PLCInstitution
1.16%1.16M13Fas of Mar 31, 2026
Point72 Asset Management, L.P.Institution
1.03%1.03M13Fas of Mar 31, 2026
Ameriprise Financial IncInstitution
0.90%905,70713Fas of Mar 31, 2026
683 Capital Management, LLCInstitution
0.80%800,00013Fas of Mar 31, 2026
Millennium Management LLCInstitution
0.76%763,74513Fas of Mar 31, 2026
Susquehanna International Group, LLPInstitution
0.71%715,96513Fas of Mar 31, 2026
Geode Capital Management, LLCInstitution
0.64%645,70513Fas of Mar 31, 2026
Renaissance Technologies LLCInstitution
0.60%604,50013Fas of Mar 31, 2026
Marshall Wace, LLPInstitution
0.58%581,47113Fas of Mar 31, 2026
BlackRock, Inc.Institution
0.51%510,80613Fas of Mar 31, 2026
S&G FoundationInstitution
0.43%435,74913Fas of Mar 31, 2026
Jane Street Group, LLCInstitution
0.41%415,93813Fas of Mar 31, 2026
FMR LLCInstitution
0.39%392,50013Fas of Mar 31, 2026
TD Asset Management IncInstitution
0.38%382,64813Fas of Mar 31, 2026

13F — a manager's quarterly holdings · 13D/13G — an ownership statement filed at 5% or more

Institutions13F, as of Mar 31, 2026

83 holders · 56.07M shares · 25 new positions · 57 increased · 13 reduced · 5 closed

HolderShares% outstandingChg q/qFiled
T. Rowe Price Investment Management, Inc.9.87M9.83%+8.51MMay 15, 2026
Orbimed Advisors LLC6.31M6.28%0May 15, 2026
Redmile Group, LLC5.54M5.52%0May 15, 2026
Prosight Management, LP5.00M4.99%+2.62MMay 15, 2026
Adage Capital Partners GP, L.L.C.4.64M4.63%−1.66MMay 15, 2026
Nextbio Capital Management LP3.15M3.14%0May 14, 2026
Vanguard Capital Management LLC2.28M2.27%+2.28MnewMay 15, 2026
Price T Rowe Associates Inc /MD/1.78M1.78%−143.4KMay 15, 2026

Ownership statements13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
T. Rowe Price Investment Management, Inc.13.80%9.87M13GMay 15, 2026
Orbimed Advisors LLCincl. OrbiMed Capital GP IX LLC, OrbiMed Genesis GP LLC9.99%9.02M13DJun 15, 2026
Redmile Group, LLCincl. Redmile Biopharma Investments II, L.P., Jeremy C. Green9.90%10.02M13DJul 17, 2026
Prosight Management, LP9.90%6.54M13GNov 13, 2025
Adage Capital Management, L.P.9.79%4.68M13GFeb 12, 2025
Deep Track Capital, LP5.17%5.00M13GJun 17, 2026

Insider tradesForm 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Jul 2, 2026
Abhinav A. Shuklaofficer: Chief Technical Officer
Sale410$7.0186,380
Jun 30, 2026
Arundathy N. Panditeofficer: Chief Medical Officer
Sale30,000$7.01136,219
Jun 30, 2026
Abhinav A. Shuklaofficer: Chief Technical Officer
Sale23,365$7.0886,380
Jul 1, 2026
Abhinav A. Shuklaofficer: Chief Technical Officer
Sale100$7.0786,380
Jun 11, 2026
Orbimed Advisors LLCdirector
Purchase · 2 lots1,250,000$0.000126,519,541
Jun 11, 2026
Mona Ashiyadirector
Purchase · 2 lots1,250,000$0.000126,519,541
Jun 9, 2026
Clay B. Siegalldirector
Purchase62,500$4.00318,608
May 12, 2026
Arundathy N. Panditeofficer: Chief Medical Officer
Sale30,000$6.61166,219
May 12, 2026
Abhinav A. Shuklaofficer: Chief Technical Officer
Sale2,032$7.0181,258

CongressHouse and Senate disclosures

Not reported.