Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in STBA held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 5.4M | $224.4M | -2.1% | 14.641% | 0.00% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.4M | $101.9M | β | 6.649% | 0.01% |
| 3 | DIMENSIONAL FUND ADVISORS LP | 2.3M | $98.1M | +0.3% | 6.400% | 0.02% |
| 4 | STATE STREET CORP | 1.8M | $74.3M | +3.0% | 4.844% | 0.00% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 1.7M | $69.7M | β | 4.547% | 0.00% |
| 6 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.3M | $56.0M | -17.6% | 3.652% | 0.01% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 960K | $40.1M | +0.1% | 2.619% | 0.00% |
| 8 | AMERICAN CENTURY COMPANIES INC | 671K | $28.1M | -1.5% | 1.831% | 0.01% |
| 9 | BANK OF AMERICA CORP /DE/ | 632K | $26.4M | -1.9% | 1.724% | 0.00% |
| 10 | NORTHERN TRUST CORP | 459K | $19.2M | +2.2% | 1.252% | 0.00% |
| 11 | GOLDMAN SACHS GROUP INC | 409K | $17.1M | +104.0% | 1.115% | 0.00% |
| 12 | TWO SIGMA INVESTMENTS, LP | 394K | $16.5M | +338.4% | 1.076% | 0.01% |
| 13 | MORGAN STANLEY | 365K | $15.3M | -12.7% | 0.997% | 0.00% |
| 14 | Bank of New York Mellon Corp | 359K | $15.0M | -3.7% | 0.978% | 0.00% |
| 15 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 281K | $11.8M | +2.9% | 0.768% | 0.24% |
| 16 | Nuveen, LLC | 245K | $10.3M | -14.4% | 0.669% | 0.00% |
| 17 | VANGUARD FIDUCIARY TRUST CO | 241K | $10.1M | β | 0.656% | 0.00% |
| 18 | Invesco Ltd. | 227K | $9.5M | -2.5% | 0.619% | 0.00% |
| 19 | EARNEST PARTNERS LLC | 203K | $8.5M | -9.2% | 0.553% | 0.03% |
| 20 | UBS Group AG | 193K | $8.1M | +16.7% | 0.526% | 0.00% |
| 21 | Qube Research & Technologies Ltd | 184K | $7.7M | -5.2% | 0.501% | 0.01% |
| 22 | PRINCIPAL FINANCIAL GROUP INC | 182K | $7.6M | -0.2% | 0.496% | 0.00% |
| 23 | Empowered Funds, LLC | 170K | $7.1M | +4.8% | 0.463% | 0.05% |
| 24 | PUBLIC SECTOR PENSION INVESTMENT BOARD | 164K | $6.8M | +2.1% | 0.446% | 0.02% |
| 25 | ProShare Advisors LLC | 158K | $6.6M | +1.9% | 0.431% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in STBA β a direct measure of their conviction.
Filings activity in STBA during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new STBA position in Q1 2026
Institutions that fully closed their STBA position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 221 | +4.2% | 61.24% | +3.07 pp | $1.07B | +5.3% |
| Q4 2025 | 212 | +3.4% | 58.17% | +1.78 pp | $1.02B | +3.2% |
| Q3 2025 | 205 | 2.4% | 56.39% | 0.25 pp | $989M | 0.4% |
| Q2 2025 | 210 | +4.5% | 56.64% | +1.86 pp | $993M | +3.4% |
| Q1 2025 | 201 | 1.5% | 54.78% | 2.50 pp | $961M | 4.4% |
| Q4 2024 | 204 | +4.1% | 57.28% | 3.42 pp | $1.00B | 5.6% |
| Q3 2024 | 196 | +8.3% | 60.70% | +13.04 pp | $1.06B | +27% |
| Q2 2024 | 181 | β | 47.66% | β | $836M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying STBA stock.
Based on Q1 2026 13F filings, institutional ownership of S&T Bancorp, Inc. stands at 61.2%, held across 221 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of STBA, with approximately 5,365,264 shares worth $0.22B as of Q1 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of STBA, including TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for STBA is 61 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
32 institutions opened new positions in STBA during Q1 2026, while 23 fully exited. 147 added to existing positions and 40 trimmed.
STBA institutional ownership rose by 3.07 percentage points quarter-over-quarter, with a net change of +9 holders.
The top 10 institutions account for 68.7% of all reported 13F value in STBA, and the top 25 account for 83.4%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.