TrustCo Bank Corp NY (TRST) Ownership
TRST ownership summary
as of October 18, 2026- Institutions
- 79.7% of shares outstanding
- Insiders
- 3.36% of shares outstanding
- Shares outstanding
- 17.0M
- Float
- 15.5M shares available to trade
- Short interest
- 8.95% 1.2M shares short
- Days to cover
- 7.98 short interest up 6.9% vs prior month
- Institutions 79.65%
- Insiders 3.36%
- Other investors 16.98%
TRST top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 14.78% | 2.5M | $136.7M | −48,932 (−1.9%) | June 30, 2026 |
| 2 | Dimensional Fund Advisors, Inc. | 6.70% | 1.1M | $61.9M | +2,697 (+0.2%) | June 30, 2026 |
| 3 | Systematic Financial Management LP | 6.47% | 1.1M | $59.8M | −64,110 (−5.5%) | June 30, 2026 |
| 4 | State Street Corp | 5.42% | 923K | $50.1M | +31,763 (+3.6%) | June 30, 2026 |
| 5 | HoldCo Asset Management, L.P. | 5.13% | 873K | $47.4M | — | June 30, 2026 |
| 6 | Vanguard Capital Management, LLC | 4.40% | 750K | $40.7M | −69,519 (−8.5%) | June 30, 2026 |
| 7 | American Century Companies Inc | 3.58% | 609K | $33.1M | +44,497 (+7.9%) | June 30, 2026 |
| 8 | Geode Capital Management, LLC | 3.03% | 517K | $28.1M | +17,989 (+3.6%) | June 30, 2026 |
| 9 | Vanguard Portfolio Management, LLC | 2.27% | 387K | $21.0M | +14,146 (+3.8%) | June 30, 2026 |
| 10 | Amvescap Plc. | 1.74% | 297K | $16.1M | +10,776 (+3.8%) | June 30, 2026 |
| 11 | Hotchkis & Wiley Capital Management LLC | 1.63% | 278K | $15.1M | −13,000 (−4.5%) | June 30, 2026 |
| 12 | Arrowstreet Capital Limited Partnership | 1.35% | 230K | $12.5M | +860 (+0.4%) | June 30, 2026 |
| 13 | Two Sigma Investments LLC | 1.20% | 205K | $11.1M | −15,701 (−7.1%) | June 30, 2026 |
| 14 | Northern Trust Corp | 1.20% | 204K | $11.1M | +7,185 (+3.6%) | June 30, 2026 |
| 15 | Charles Schwab Investment Management Inc | 0.99% | 168K | $9.1M | −733 (−0.4%) | June 30, 2026 |
| 16 | Bank of New York Mellon Corp | 0.95% | 161K | $8.8M | −4,027 (−2.4%) | June 30, 2026 |
| 17 | Gabelli Funds LLC | 0.88% | 150K | $8.1M | −1,500 (−1.0%) | June 30, 2026 |
| 18 | Morgan Stanley - Brokerage Accounts | 0.86% | 146K | $7.9M | −2,094 (−1.4%) | June 30, 2026 |
| 19 | The Goldman Sachs Group Inc | 0.81% | 138K | $7.5M | −43,655 (−24.1%) | June 30, 2026 |
| 20 | Bridgeway Capital Management, LLC | 0.73% | 125K | $6.8M | −1,800 (−1.4%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 8 holders added 130K shares and 11 cut 265K.
TRST 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% | 1.0M | $55.4M | — | September 30, 2026 |
| 2 | Avantis US Small Cap Value ETF | 3.27% | 556K | $30.2M | +336 (+0.1%) | September 30, 2026 |
| 3 | Vanguard MStar Total Stk Mkt Idx Invest | 3.15% | 536K | $29.1M | −2,314 (−0.4%) | August 31, 2026 |
| 4 | iShares Russell 2000 ETF | 2.53% | 431K | $23.4M | — | September 30, 2026 |
| 5 | DFA US Small Cap Value I | 1.47% | 250K | $13.6M | — | August 31, 2026 |
| 6 | Fidelity Small Cap Index | 1.12% | 191K | $10.4M | +2,049 (+1.1%) | July 31, 2026 |
| 7 | State Street® SPDR® S&PRgnllBkgETF | 1.06% | 180K | $9.8M | +5,376 (+3.1%) | September 30, 2026 |
| 8 | DFA US Targeted Value I | 0.96% | 164K | $8.9M | — | August 31, 2026 |
| 9 | State Street SPDR Port S&P 600 Sm CpETF | 0.90% | 153K | $8.3M | — | September 30, 2026 |
| 10 | iShares Russell 2000 Value ETF | 0.89% | 152K | $8.2M | — | September 30, 2026 |
| 11 | Invesco S&P SmallCap Momentum ETF | 0.87% | 148K | $8.0M | — | September 30, 2026 |
| 12 | Dimensional US Targeted Value ETF | 0.84% | 142K | $7.7M | — | September 30, 2026 |
| 13 | Gabelli Global Financial Services I | 0.65% | 112K | $6.1M | — | June 30, 2026 |
| 14 | Vanguard Tax-Managed Small Cap Adm | 0.62% | 106K | $5.7M | — | September 30, 2026 |
| 15 | Vanguard Russell 2000 ETF | 0.58% | 98K | $5.3M | −1,560 (−1.6%) | September 30, 2026 |
| 16 | Schwab US Small-Cap ETF™ | 0.53% | 90K | $4.9M | +54 (+0.1%) | September 30, 2026 |
| 17 | Fidelity Extended Market Index | 0.50% | 85K | $4.6M | −1,286 (−1.5%) | August 31, 2026 |
| 18 | DFA US Small Cap I | 0.49% | 84K | $4.6M | — | August 31, 2026 |
| 19 | iShares S&P Small-Cap 600 Value ETF | 0.48% | 82K | $4.5M | — | September 30, 2026 |
| 20 | Dimensional US Small Cap Value ETF | 0.46% | 78K | $4.2M | — | September 24, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
TRST insider transactions
latest 1| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-11-26 | Lisa M Lucarelli | Buy | $42.69 | 200 | $8,538 |
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.
TRST shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns TRST
Institutional investors own 79.7% of TrustCo Bank Corp NY's shares and insiders 3.36%. The largest holder is BlackRock Inc with 14.78% of the shares (2.5M), as of June 30, 2026. Among the top 20 institutions, 8 added shares and 11 reduced their stake in the latest filings. Short interest is 8.95% of the float, or 7.98 days of average trading volume. The share count fell 3.4% since 2014.
Related: TRST key metrics, TRST dividend history. See the TRST stock overview for the latest quote and news.
TRST ownership FAQ
Who owns the most TrustCo Bank Corp NY stock?
The largest shareholders of TrustCo Bank Corp NY are BlackRock Inc (14.78%), Dimensional Fund Advisors, Inc. (6.70%), Systematic Financial Management LP (6.47%), State Street Corp (5.42%), HoldCo Asset Management, L.P. (5.13%).
What percentage of TrustCo Bank Corp NY is owned by institutions?
Institutions hold 79.7% of TrustCo Bank Corp NY's shares outstanding; insiders hold 3.36%.
Which funds own TrustCo Bank Corp NY?
The largest fund holders of TrustCo Bank Corp NY are iShares Core S&P Small-Cap ETF (5.99%), Avantis US Small Cap Value ETF (3.27%), Vanguard MStar Total Stk Mkt Idx Invest (3.15%), iShares Russell 2000 ETF (2.53%), DFA US Small Cap Value I (1.47%).
What is TrustCo Bank Corp NY's short interest?
1.2M shares of TrustCo Bank Corp NY were sold short, 8.95% of the float; at the average daily volume it would take 7.98 days to cover.
Are insiders buying or selling TrustCo Bank Corp NY?
Of the latest 1 reported insider transactions in TrustCo Bank Corp NY (since November 26, 2025), 1 were purchases and 0 were sales.
How many shares of TrustCo Bank Corp NY are outstanding?
TrustCo Bank Corp NY has 17.0M shares outstanding, of which 15.5M are in the public float.