53% buyers of institutions opening or closing positions this quarter
1 more new buyers than exits, ownership rose 1.70 percentage points vs the prior quarter, and 1 well-known fund manager in the top 25.
53% buyers of institutions opening or closing positions this quarter
9.6% institutional ownership
BRIDGEWAY CAPITAL MANAGEMENT, portfolio allocation
Institutional ownership vs Banks - Regional peers
No Form 4 insider transactions on file
Latest positioning in RBKB across 13F flow, ownership shift, marquee holders, and holder-count growth.
Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in RBKB held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | ALLIANCEBERNSTEIN L.P. | 387K | $4.6M | +3.0% | 3.470% | 0.00% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 184K | $2.8M | — | 1.656% | 0.00% |
| 3 | BlackRock, Inc. | 169K | $2.6M | +13.5% | 1.516% | 0.00% |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 94K | $1.4M | +1.3% | 0.840% | 0.00% |
| 5 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 75K | $1.2M | +2.6% | 0.670% | 0.02% |
| 6 | Empowered Funds, LLC | 60K | $919K | +3.2% | 0.535% | 0.01% |
| 7 | STATE STREET CORP | 31K | $478K | +3.7% | 0.279% | 0.00% |
| 8 | NORTHERN TRUST CORP | 31K | $473K | -3.3% | 0.275% | 0.00% |
| 9 | DIMENSIONAL FUND ADVISORS LP | 30K | $461K | +0.0% | 0.268% | 0.00% |
| 10 | VANGUARD FIDUCIARY TRUST CO | 26K | $402K | — | 0.234% | 0.00% |
| 11 | VANGUARD PORTFOLIO MANAGEMENT LLC | 26K | $397K | — | 0.231% | 0.00% |
| 12 | RENAISSANCE TECHNOLOGIES LLC | 24K | $375K | +14.6% | 0.218% | 0.00% |
| 13 | Cerity Partners LLC | 20K | $309K | -0.0% | 0.180% | 0.00% |
| 14 | AE Wealth Management LLC | 15K | $234K | +16.6% | 0.136% | 0.00% |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 11K | $175K | 0.0% | 0.102% | 0.00% |
| 16 | Focused Wealth Management, Inc | 10K | $154K | 0.0% | 0.090% | 0.02% |
| 17 | MORGAN STANLEY | 8K | $128K | -4.2% | 0.074% | 0.00% |
| 18 | DEUTSCHE BANK AG\ | 8K | $125K | — | 0.073% | 0.00% |
| 19 | NEW YORK STATE COMMON RETIREMENT FUND | 6K | $85K | -22.1% | 0.049% | 0.00% |
| 20 | RHUMBLINE ADVISERS | 5K | $77K | +0.8% | 0.045% | 0.00% |
| 21 | UBS Group AG | 4K | $57K | +25.7% | 0.033% | 0.00% |
| 22 | Vanguard Global Advisers, LLC | 2K | $34K | — | 0.020% | 0.00% |
| 23 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2K | $34K | +1.6% | 0.020% | 0.00% |
| 24 | WELLS FARGO & COMPANY/MN | 2K | $26K | -66.3% | 0.015% | 0.00% |
| 25 | Russell Investments Group, Ltd. | 1K | $22K | +7.1% | 0.013% | 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 RBKB — a direct measure of their conviction.
Filings activity in RBKB during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new RBKB position in Q1 2026
Institutions that fully closed their RBKB 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 | 44 | +2.3% | 9.55% | +1.70 pp | $18M | +22% |
| Q4 2025 | 43 | 4.4% | 7.85% | +0.36 pp | $15M | +4.8% |
| Q3 2025 | 45 | +25% | 7.49% | +0.20 pp | $14M | +2.8% |
| Q2 2025 | 36 | +100% | 7.29% | +2.63 pp | $14M | +57% |
| Q1 2025 | 18 | +5.9% | 4.66% | +1.16 pp | $9M | +33% |
| Q4 2024 | 17 | +6.3% | 3.50% | +0.57 pp | $7M | +19% |
| Q3 2024 | 16 | 5.9% | 2.93% | +0.44 pp | $5M | +18% |
| Q2 2024 | 17 | — | 2.49% | — | $5M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
No recent Form 4 insider transactions on file for RBKB.
Quick answers to the most common questions about buying RBKB stock.
Based on Q1 2026 13F filings, institutional ownership of Rhinebeck Bancorp, Inc. stands at 9.6%, held across 44 reporting institutions.
ALLIANCEBERNSTEIN L.P. is the largest reported institutional holder of RBKB, with approximately 386,608 shares worth $0.00B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of RBKB, including RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for RBKB is 60 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
8 institutions opened new positions in RBKB during Q1 2026, while 7 fully exited. 30 added to existing positions and 5 trimmed.
RBKB institutional ownership rose by 1.70 percentage points quarter-over-quarter, with a net change of +1 holders.
The top 10 institutions account for 86.8% of all reported 13F value in RBKB, and the top 25 account for 99.3%.
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.