S&T Bancorp STBA Institutional Ownership

Updated Nov 4, 2026

S&T Bancorp Inc (NASDAQ:STBA) appeared in the 13F filings of 245 institutional investors for the quarter ended June 30, 2026.

• These investors held 73.31% of outstanding shares in Q2 2026, up from 71.00% the quarter before.
• Total shares held in S&T Bancorp rose 0.06% from Q1 2026, while the number of holders rose 16.67% from Q2 2025.
• Among the 245 holders of S&T Bancorp, 114 added to their positions, 79 reduced their stakes and 52 left their positions unchanged.
• Institutional investors held 26.18Mn shares of S&T Bancorp in total at the end of Q2 2026, up 16.51K from the prior quarter and up 78.9K from a year earlier.
• BlackRock, Inc. held the largest position in STBA at 5.16Mn shares as of June 30, 2026, or 14.43% of shares outstanding.
• Among holders that already owned S&T Bancorp, the biggest buyers in Q2 2026 were Two Sigma Investments, LP (+106.88K shares), State Street Corp (+96.53K shares), Qube Research & Technologies Ltd (+91.84K shares), Integrated Wealth Concepts LLC (+80.19K shares) and Arrowstreet Capital, Limited Partnership (+54.77K shares).
• On the other side, among holders that kept a position in S&T Bancorp, the largest reductions in Q2 2026 came from BlackRock, Inc. (-209.47K shares), Nuveen, LLC (-101.78K shares), UBS Group AG (-88.72K shares), Millennium Management LLC (-60.79K shares) and Vanguard Capital Management LLC (-47.4K shares).
• Per Business Quant data, the 10 largest holders of S&T Bancorp at the end of Q2 2026 were BlackRock, Inc. (5.16Mn shares), Vanguard Portfolio Management LLC (2.4Mn shares), Dimensional Fund Advisors LP (2.33Mn shares), State Street Corp (1.87Mn shares), Vanguard Capital Management LLC (1.62Mn shares), Charles Schwab Investment Management Inc (1.39Mn shares), Geode Capital Management, LLC (983.05K shares), American Century Companies Inc (667.55K shares), Bank of America Corp (593.25K shares) and Two Sigma Investments, LP (501.2K shares).