Ranked by reported Q2 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. | 5.2M | $253.0M | -3.9% | 14.620% | 0.00% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.4M | $117.6M | -1.7% | 6.793% | 0.01% |
| 3 | DIMENSIONAL FUND ADVISORS LP | 2.3M | $114.1M | -0.8% | 6.594% | 0.02% |
| 4 | STATE STREET CORP | 1.9M | $91.9M | +5.4% | 5.308% | 0.00% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 1.6M | $79.5M | -2.8% | 4.591% | 0.00% |
| 6 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.4M | $68.3M | +4.0% | 3.945% | 0.01% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 983K | $48.3M | +2.5% | 2.788% | 0.00% |
| 8 | AMERICAN CENTURY COMPANIES INC | 668K | $32.8M | -0.5% | 1.893% | 0.01% |
| 9 | BANK OF AMERICA CORP /DE/ | 593K | $29.1M | -6.1% | 1.682% | 0.00% |
| 10 | TWO SIGMA INVESTMENTS, LP | 501K | $24.6M | +27.1% | 1.421% | 0.02% |
| 11 | NORTHERN TRUST CORP | 479K | $23.5M | +4.4% | 1.358% | 0.00% |
| 12 | GOLDMAN SACHS GROUP INC | 452K | $22.2M | +10.7% | 1.282% | 0.00% |
| 13 | MORGAN STANLEY | 385K | $18.9M | +5.3% | 1.090% | 0.00% |
| 14 | Bank of New York Mellon Corp | 360K | $17.6M | +0.3% | 1.020% | 0.00% |
| 15 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 285K | $14.0M | +1.4% | 0.809% | 0.25% |
| 16 | Qube Research & Technologies Ltd | 276K | $13.5M | +50.0% | 0.781% | 0.01% |
| 17 | VANGUARD FIDUCIARY TRUST CO | 238K | $11.7M | -1.2% | 0.674% | 0.00% |
| 18 | Invesco Ltd. | 223K | $10.9M | -1.7% | 0.632% | 0.00% |
| 19 | EARNEST PARTNERS LLC | 195K | $9.6M | -3.7% | 0.554% | 0.03% |
| 20 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 178K | $8.7M | +44.5% | 0.505% | 0.00% |
| 21 | PRINCIPAL FINANCIAL GROUP INC | 174K | $8.5M | -4.3% | 0.493% | 0.00% |
| 22 | Empowered Funds, LLC | 174K | $8.5M | +2.4% | 0.493% | 0.04% |
| 23 | PUBLIC SECTOR PENSION INVESTMENT BOARD | 165K | $8.1M | +0.9% | 0.468% | 0.01% |
| 24 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 154K | $7.6M | +0.5% | 0.438% | 0.02% |
| 25 | ProShare Advisors LLC | 147K | $7.2M | -7.2% | 0.416% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in STBA — a direct measure of their conviction.
Filings activity in STBA during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 243 | +8.0% | 74.00% | 0.17 pp | $1.26B | +17% |
| Q1 2026 | 225 | +6.1% | 74.17% | +1.87 pp | $1.08B | +5.5% |
| Q4 2025 | 212 | +3.4% | 72.30% | +0.88 pp | $1.02B | +3.2% |
| Q3 2025 | 205 | 2.4% | 71.42% | 0.22 pp | $989M | 0.4% |
| Q2 2025 | 210 | +4.5% | 71.64% | +0.36 pp | $993M | +3.4% |
| Q1 2025 | 201 | 1.5% | 71.28% | 0.76 pp | $961M | 4.4% |
| Q4 2024 | 204 | +4.1% | 72.04% | +0.60 pp | $1.00B | 5.6% |
| Q3 2024 | 196 | — | 71.44% | — | $1.06B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying STBA stock.
Based on Q2 2026 13F filings, institutional ownership of S&T Bancorp, Inc. stands at 74.0%, held across 243 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of STBA, with approximately 5,155,798 shares worth $0.25B as of Q2 2026.
Yes — 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 54 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
31 institutions opened new positions in STBA during Q2 2026, while 15 fully exited. 175 added to existing positions and 30 trimmed.
STBA institutional ownership fell by 0.17 percentage points quarter-over-quarter, with a net change of +18 holders.
The top 10 institutions account for 68.2% 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.
S&T Bancorp, Inc. (STBA) Institutional Ownership