Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in GCBC held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 678K | $15.2M | -1.5% | 3.983% | 0.00% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 298K | $6.7M | — | 1.751% | 0.00% |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | 167K | $3.7M | -2.1% | 0.980% | 0.00% |
| 4 | STATE STREET CORP | 129K | $2.9M | +0.3% | 0.756% | 0.00% |
| 5 | DIMENSIONAL FUND ADVISORS LP | 93K | $2.1M | +1.1% | 0.544% | 0.00% |
| 6 | Covalent Partners LLC | 69K | $1.5M | +9.5% | 0.405% | 10.89% |
| 7 | GOLDMAN SACHS GROUP INC | 68K | $1.5M | +2.7% | 0.400% | 0.00% |
| 8 | Angel Oak Capital Advisors, LLC | 61K | $1.4M | +1.7% | 0.358% | 1.52% |
| 9 | VANGUARD FIDUCIARY TRUST CO | 52K | $1.2M | — | 0.308% | 0.00% |
| 10 | RENAISSANCE TECHNOLOGIES LLC | 51K | $1.1M | +2.6% | 0.299% | 0.00% |
| 11 | NORTHERN TRUST CORP | 51K | $1.1M | +3.3% | 0.299% | 0.00% |
| 12 | HSBC HOLDINGS PLC | 42K | $968K | — | 0.249% | 0.00% |
| 13 | LPL Financial LLC | 43K | $961K | +0.0% | 0.252% | 0.00% |
| 14 | VANGUARD PORTFOLIO MANAGEMENT LLC | 41K | $926K | — | 0.243% | 0.00% |
| 15 | RAYMOND JAMES FINANCIAL INC | 35K | $783K | -4.6% | 0.205% | 0.00% |
| 16 | MORGAN STANLEY | 34K | $773K | -14.1% | 0.202% | 0.00% |
| 17 | BARCLAYS PLC | 29K | $640K | -24.5% | 0.168% | 0.00% |
| 18 | Bank of New York Mellon Corp | 26K | $580K | -3.4% | 0.152% | 0.00% |
| 19 | MILLENNIUM MANAGEMENT LLC | 24K | $530K | -35.2% | 0.139% | 0.00% |
| 20 | Nuveen, LLC | 23K | $507K | +0.9% | 0.133% | 0.00% |
| 21 | BANK OF AMERICA CORP /DE/ | 21K | $477K | +5.2% | 0.125% | 0.00% |
| 22 | TWO SIGMA INVESTMENTS, LP | 20K | $439K | +30.0% | 0.115% | 0.00% |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 19K | $418K | -7.5% | 0.110% | 0.00% |
| 24 | AQR CAPITAL MANAGEMENT LLC | 17K | $371K | -4.4% | 0.097% | 0.00% |
| 25 | WELLS FARGO & COMPANY/MN | 14K | $320K | -26.5% | 0.084% | 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 GCBC — a direct measure of their conviction.
Filings activity in GCBC during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new GCBC position in Q1 2026
Institutions that fully closed their GCBC position in Q1 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 |
|---|---|---|---|---|---|---|
| Q1 2026 | 73 | +11% | 9.53% | 0.31 pp | $49M | 3.1% |
| Q4 2025 | 66 | +1.5% | 9.84% | 0.60 pp | $51M | 5.8% |
| Q3 2025 | 65 | 3.0% | 10.44% | +0.65 pp | $54M | +6.7% |
| Q2 2025 | 67 | +3.1% | 9.79% | 1.29 pp | $50M | 12% |
| Q1 2025 | 65 | +12% | 11.08% | 2.47 pp | $57M | 18% |
| Q4 2024 | 58 | +9.4% | 13.55% | 2.01 pp | $70M | 13% |
| Q3 2024 | 53 | +0.0% | 15.56% | 1.79 pp | $80M | 10% |
| Q2 2024 | 53 | — | 17.35% | — | $89M | — |
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 GCBC stock.
Based on Q1 2026 13F filings, institutional ownership of Greene County Bancorp, Inc. stands at 9.5%, held across 73 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of GCBC, with approximately 678,228 shares worth $0.02B as of Q1 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of GCBC, including RENAISSANCE TECHNOLOGIES LLC, MILLENNIUM MANAGEMENT LLC, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for GCBC is 62 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
12 institutions opened new positions in GCBC during Q1 2026, while 5 fully exited. 33 added to existing positions and 25 trimmed.
GCBC institutional ownership fell by 0.31 percentage points quarter-over-quarter, with a net change of +7 holders.
The top 10 institutions account for 76.3% of all reported 13F value in GCBC, and the top 25 account for 96.4%.
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.
Greene County Bancorp, Inc. (GCBC) Institutional Ownership