Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in TRST held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 2.5M | $138.2M | -1.9% | 14.784% | 0.00% |
| 2 | DIMENSIONAL FUND ADVISORS LP | 1.1M | $62.6M | +0.2% | 6.696% | 0.01% |
| 3 | SYSTEMATIC FINANCIAL MANAGEMENT LP | 1.1M | $60.5M | -5.5% | 6.466% | 1.20% |
| 4 | STATE STREET CORP | 923K | $51.0M | +3.6% | 5.420% | 0.00% |
| 5 | HoldCo Asset Management, LP | 873K | $47.9M | 0.0% | 5.125% | 3.08% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 750K | $41.2M | -8.5% | 4.402% | 0.00% |
| 7 | AMERICAN CENTURY COMPANIES INC | 609K | $33.5M | +7.9% | 3.579% | 0.01% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 517K | $28.4M | +3.6% | 3.034% | 0.00% |
| 9 | VANGUARD PORTFOLIO MANAGEMENT LLC | 387K | $21.2M | +3.8% | 2.272% | 0.00% |
| 10 | Invesco Ltd. | 297K | $16.3M | +3.8% | 1.744% | 0.00% |
| 11 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 278K | $15.3M | -4.5% | 1.635% | 0.04% |
| 12 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 230K | $12.6M | +0.4% | 1.352% | 0.01% |
| 13 | TWO SIGMA INVESTMENTS, LP | 205K | $11.2M | -7.1% | 1.202% | 0.01% |
| 14 | NORTHERN TRUST CORP | 204K | $11.2M | +3.6% | 1.200% | 0.00% |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 168K | $9.2M | -0.4% | 0.988% | 0.00% |
| 16 | Bank of New York Mellon Corp | 161K | $8.9M | -2.4% | 0.947% | 0.00% |
| 17 | GABELLI FUNDS LLC | 150K | $8.2M | -1.0% | 0.881% | 0.05% |
| 18 | MORGAN STANLEY | 146K | $8.0M | -1.4% | 0.856% | 0.00% |
| 19 | GOLDMAN SACHS GROUP INC | 138K | $7.6M | -24.1% | 0.808% | 0.00% |
| 20 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 125K | $6.8M | -1.4% | 0.732% | 0.12% |
| 21 | AQR CAPITAL MANAGEMENT LLC | 120K | $6.6M | -7.4% | 0.703% | 0.00% |
| 22 | VANGUARD FIDUCIARY TRUST CO | 117K | $6.4M | +1.0% | 0.686% | 0.00% |
| 23 | UBS Group AG | 104K | $5.7M | -22.9% | 0.610% | 0.00% |
| 24 | TRUSTCO BANK CORP N Y | 93K | $5.1M | +0.8% | 0.548% | 3.74% |
| 25 | FIRST TRUST ADVISORS LP | 92K | $5.1M | +5.8% | 0.541% | 0.00% |
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 TRST — a direct measure of their conviction.
Filings activity in TRST during Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new TRST position in Q2 2026
Institutions that fully closed their TRST position in Q2 2026
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 | 185 | +0.5% | 77.77% | 2.13 pp | $714M | +22% |
| Q1 2026 | 184 | +4.0% | 79.90% | 1.29 pp | $586M | +1.1% |
| Q4 2025 | 177 | +13% | 81.19% | +1.71 pp | $580M | +13% |
| Q3 2025 | 157 | 2.5% | 79.48% | +0.85 pp | $512M | +8.2% |
| Q2 2025 | 161 | 3.6% | 78.63% | +2.51 pp | $473M | +13% |
| Q1 2025 | 167 | +7.7% | 76.12% | +0.89 pp | $418M | 7.5% |
| Q4 2024 | 155 | +6.9% | 75.23% | +2.83 pp | $452M | +4.8% |
| Q3 2024 | 145 | — | 72.40% | — | $432M | — |
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 TRST stock.
Based on Q2 2026 13F filings, institutional ownership of TrustCo Bank Corp NY stands at 77.8%, held across 185 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of TRST, with approximately 2,517,431 shares worth $0.14B as of Q2 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of TRST, including TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for TRST is 40 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
20 institutions opened new positions in TRST during Q2 2026, while 18 fully exited. 143 added to existing positions and 17 trimmed.
TRST institutional ownership fell by 2.13 percentage points quarter-over-quarter, with a net change of +1 holders.
The top 10 institutions account for 70.1% of all reported 13F value in TRST, and the top 25 account for 88.0%.
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.
TrustCo Bank Corp NY (TRST) Institutional Ownership