S&T Bancorp, Inc. (STBA) Ownership
STBA ownership summary
as of October 18, 2026- Institutions
- 75.6% of shares outstanding
- Insiders
- 1.58% of shares outstanding
- Shares outstanding
- 35.3M
- Float
- 34.8M shares available to trade
- Short interest
- 8.24% 2.4M shares short
- Days to cover
- 8.29 short interest up 12.2% vs prior month
- Institutions 75.63%
- Insiders 1.58%
- Other investors 22.79%
STBA top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 14.62% | 5.2M | $251.8M | −209,466 (−3.9%) | June 30, 2026 |
| 2 | Vanguard Portfolio Management, LLC | 6.79% | 2.4M | $117.0M | −40,764 (−1.7%) | June 30, 2026 |
| 3 | Dimensional Fund Advisors, Inc. | 6.59% | 2.3M | $113.6M | −19,813 (−0.8%) | June 30, 2026 |
| 4 | State Street Corp | 5.31% | 1.9M | $91.4M | +96,531 (+5.4%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 4.59% | 1.6M | $79.1M | −47,402 (−2.8%) | June 30, 2026 |
| 6 | Charles Schwab Investment Management Inc | 3.94% | 1.4M | $67.9M | +52,886 (+4.0%) | June 30, 2026 |
| 7 | Geode Capital Management, LLC | 2.79% | 983K | $48.0M | +23,488 (+2.4%) | June 30, 2026 |
| 8 | American Century Companies Inc | 1.89% | 668K | $32.6M | −3,503 (−0.5%) | June 30, 2026 |
| 9 | Bank of America Corp | 1.68% | 593K | $29.0M | −38,613 (−6.1%) | June 30, 2026 |
| 10 | Two Sigma Investments LLC | 1.42% | 501K | $24.5M | +106,881 (+27.1%) | June 30, 2026 |
| 11 | Northern Trust Corp | 1.36% | 479K | $23.4M | +20,254 (+4.4%) | June 30, 2026 |
| 12 | The Goldman Sachs Group Inc | 1.28% | 452K | $22.1M | +43,599 (+10.7%) | June 30, 2026 |
| 13 | Morgan Stanley - Brokerage Accounts | 1.09% | 385K | $18.8M | +19,199 (+5.3%) | June 30, 2026 |
| 14 | Bank of New York Mellon Corp | 1.02% | 360K | $17.6M | +1,063 (+0.3%) | June 30, 2026 |
| 15 | Bridgeway Capital Management, LLC | 0.81% | 285K | $13.9M | +4,005 (+1.4%) | June 30, 2026 |
| 16 | Qube Research & Technologies | 0.78% | 276K | $13.5M | +91,837 (+50.0%) | June 30, 2026 |
| 17 | Vanguard Fiduciary Trust Co | 0.67% | 238K | $11.6M | −2,912 (−1.2%) | June 30, 2026 |
| 18 | Amvescap Plc. | 0.63% | 223K | $10.9M | −3,927 (−1.7%) | June 30, 2026 |
| 19 | Earnest Partners LLC | 0.55% | 195K | $9.5M | −7,413 (−3.7%) | June 30, 2026 |
| 20 | Arrowstreet Capital Limited Partnership | 0.50% | 178K | $8.7M | +54,773 (+44.5%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 11 holders added 515K shares and 9 cut 374K.
STBA top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 5.99% | 2.1M | $103.1M | — | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 3.25% | 1.1M | $56.0M | −3,014 (−0.3%) | August 31, 2026 |
| 3 | Schwab US Dividend Equity ETF™ | 2.77% | 975K | $47.6M | +2,576 (+0.3%) | September 30, 2026 |
| 4 | iShares Russell 2000 ETF | 2.52% | 890K | $43.5M | — | September 30, 2026 |
| 5 | Vanguard Small Cap Index | 2.35% | 827K | $40.4M | +576 (+0.1%) | August 31, 2026 |
| 6 | Vanguard MStar Small Cap Value Index | 1.49% | 526K | $25.7M | +452 (+0.1%) | August 31, 2026 |
| 7 | Avantis US Small Cap Value ETF | 1.44% | 507K | $24.8M | — | September 30, 2026 |
| 8 | DFA US Small Cap Value I | 1.42% | 502K | $24.5M | — | August 31, 2026 |
| 9 | Fidelity Small Cap Index | 1.15% | 406K | $19.8M | +2,319 (+0.6%) | July 31, 2026 |
| 10 | iShares Russell 2000 Value ETF | 0.97% | 341K | $16.7M | — | September 30, 2026 |
| 11 | State Street® SPDR® S&PRgnllBkgETF | 0.95% | 336K | $16.4M | +10,048 (+3.1%) | September 30, 2026 |
| 12 | State Street SPDR Port S&P 600 Sm CpETF | 0.92% | 323K | $15.8M | — | September 30, 2026 |
| 13 | iShares S&P Small-Cap 600 Value ETF | 0.85% | 298K | $14.6M | — | September 30, 2026 |
| 14 | DFA US Targeted Value I | 0.81% | 286K | $13.9M | — | August 31, 2026 |
| 15 | Vanguard Tax-Managed Small Cap Adm | 0.73% | 258K | $12.6M | — | August 31, 2026 |
| 16 | Dimensional US Targeted Value ETF | 0.68% | 241K | $11.8M | +8 (+0.0%) | September 30, 2026 |
| 17 | Vanguard Russell 2000 ETF | 0.60% | 213K | $10.4M | +4,994 (+2.4%) | August 31, 2026 |
| 18 | Invesco S&P SmallCap Momentum ETF | 0.60% | 212K | $10.4M | — | September 30, 2026 |
| 19 | Dimensional US Small Cap Value ETF | 0.59% | 208K | $10.2M | +96 (+0.0%) | September 24, 2026 |
| 20 | ProShares S&P SmCp 600 Div ArstocrtsETF | 0.56% | 198K | $9.7M | −654 (−0.3%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
STBA insider transactions
latest 2| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-10-28 | Jeffrey D Grube | Buy | $36.55 | 2,500 | $91,375 |
| 2025-05-28 | Peter G Gurt | Buy | $37.23 | 135 | $5,026 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
STBA shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns STBA
Institutional investors own 75.6% of S&T Bancorp's shares and insiders 1.58%. The largest holder is BlackRock Inc with 14.62% of the shares (5.2M), as of June 30, 2026. Among the top 20 institutions, 11 added shares and 9 reduced their stake in the latest filings. Short interest is 8.24% of the float, or 8.29 days of average trading volume. The share count rose 28.0% since 2014.
Related: STBA analyst forecast, STBA key metrics, STBA dividend history. See the STBA stock overview for the latest quote and news.
STBA ownership FAQ
Who owns the most S&T Bancorp stock?
The largest shareholders of S&T Bancorp are BlackRock Inc (14.62%), Vanguard Portfolio Management, LLC (6.79%), Dimensional Fund Advisors, Inc. (6.59%), State Street Corp (5.31%), Vanguard Capital Management, LLC (4.59%).
What percentage of S&T Bancorp is owned by institutions?
Institutions hold 75.6% of S&T Bancorp's shares outstanding; insiders hold 1.58%.
Which funds own S&T Bancorp?
The largest fund holders of S&T Bancorp are iShares Core S&P Small-Cap ETF (5.99%), Vanguard MStar Total Stk Mkt Idx Invest (3.25%), Schwab US Dividend Equity ETF™ (2.77%), iShares Russell 2000 ETF (2.52%), Vanguard Small Cap Index (2.35%).
What is S&T Bancorp's short interest?
2.4M shares of S&T Bancorp were sold short, 8.24% of the float; at the average daily volume it would take 8.29 days to cover.
Are insiders buying or selling S&T Bancorp?
Of the latest 2 reported insider transactions in S&T Bancorp (since May 28, 2025), 2 were purchases and 0 were sales.
How many shares of S&T Bancorp are outstanding?
S&T Bancorp has 35.3M shares outstanding, of which 34.8M are in the public float.