13F Insight
DOSSIER · 13F Holders · Q1 2026

RHINEBECK BANCORP INC

50 institutions still hold RHINEBECK BANCORP INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 762093102·50 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$42M
visible holders
Holders
50
filers reporting
Concentration
37.06%
M3F, Inc. #1
top holder share
AI Holders Summary · Q1 2026

50 institutions reported RHINEBECK BANCORP INC in Q1 2026. M3F, Inc. leads at 37.1% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
M3F, Inc.
CIK 0001511291
$16M1.0M3.86%Q1 202602
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$8M472K0.00%Q2 202603
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$5M387K0.00%Q1 202604
BlackRock, Inc.
CIK 0002012383
$4M258K0.00%Q2 202605
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$2M107K0.00%Q2 202606
BRIDGEWAY CAPITAL MANAGEMENT, LLC
CIK 0001107261
$1M75K0.02%Q2 202607
Empowered Funds, LLC
CIK 0001592828
$1M60K0.01%Q2 202608
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$750K43K0.00%Q2 202609
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$656K38K0.00%Q2 202610
NORTHERN TRUST CORP
CIK 0000073124· Index
$631K36K0.00%Q2 202611
STATE STREET CORP
CIK 0000093751
$603K35K0.00%Q2 202612
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$557K32K0.00%Q2 202613
Vanguard Portfolio Management
CIK 0002100121· Index
$547K32K0.00%Q2 202614
Cerity Partners LLC
CIK 0001566475
$347K20K0.00%Q2 202615
Bank of New York Mellon Corp
CIK 0001390777
$246K14K0.00%Q2 202616
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$196K11K0.00%Q2 202617
Focused Wealth Management, Inc
CIK 0001586052
$173K10K0.02%Q2 202618
MORGAN STANLEY
CIK 0000895421
$115K7K0.00%Q2 202619
RHUMBLINE ADVISERS
CIK 0001115418
$95K6K0.00%Q2 202620
NEW YORK STATE COMMON RETIREMENT FUND
CIK 0000810265
$95K6K0.00%Q2 2026
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