Shattuck Labs STTK Institutional Ownership

Updated Oct 11, 2026

Shattuck Labs, Inc. (NASDAQ:STTK) was reported as a holding by 100 institutional investors in 13F filings for the quarter ended June 30, 2026.

• Collectively, these holders controlled 64.55% of Shattuck Labs' outstanding shares in Q2 2026, up from 45.50% in Q1 2026.
• Total holdings of STTK shares rose 64.05% from Q1 2026, and the holder count rose 69.49% from Q2 2025.
• Of these 100 holders, 73 added to their positions, 15 reduced their stakes and 12 left their positions unchanged.
• The aggregate institutional position in Shattuck Labs was 83.78Mn shares at the end of Q2 2026, up 32.71Mn from the prior quarter and up 55.11Mn from a year earlier.
• As of June 30, 2026, the biggest holder of Shattuck Labs was T. Rowe Price Investment Management, Inc. with 13.43Mn shares, or 10.35% of shares outstanding.
• The biggest increases in STTK positions during Q2 2026 came from T. Rowe Price Investment Management, Inc. (+3.57Mn shares), Adage Capital Partners GP, L.L.C. (+3.48Mn shares), BlackRock, Inc. (+3.43Mn shares), Redmile Group, LLC (+1.35Mn shares) and Geode Capital Management, LLC (+939.05K shares).
• The largest position reductions in STTK for Q2 2026 were by Ameriprise Financial Inc (-870.16K shares), Susquehanna International Group, LLP (-690.79K shares), Millennium Management LLC (-569.74K shares), Sphera Funds Management LTD. (-194.32K shares) and Two Sigma Investments, LP (-130.06K shares).
• Per Business Quant, the top 10 investors in STTK for the quarter ended June 30, 2026 were T. Rowe Price Investment Management, Inc. (13.43Mn shares), Adage Capital Partners GP, L.L.C. (8.12Mn shares), Redmile Group, LLC (6.89Mn shares), OrbiMed Advisors LLC (6.31Mn shares), Prosight Management, LP (5.96Mn shares), BlackRock, Inc. (3.94Mn shares), Frazier Life Sciences Management, L.P. (3.75Mn shares), NEXTBio Capital Management LP (3.73Mn shares), Deep Track Capital, LP (3.71Mn shares) and Vanguard Capital Management LLC (3.21Mn shares).