Rhinebeck Bancorp RBKB Institutional Ownership

NASDAQ RBKB

$12.98 +0.20 (+1.61%)

As of: Oct 22, 2026 · 12:20 PM EDT

Institutions by Trading Activity

49 Institutions

Increased 30 61.2%

Unchanged 10 20.4%

Reduced 9 18.4%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

19.88%

▼-0.31 pp QoQ

Shares Held by Institutions

2.22Mn

of 11.18Mn outstanding

▼-1.18% QoQ

Shares Outstanding

11.18Mn

8.96Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+3 vs prior quarter

Net Shares Added (QoQ)

-26.45K

distributed since last quarter

Value of Holdings

$28.32Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 10, 2026

Rhinebeck Bancorp, Inc. (NASDAQ:RBKB) appeared in the 13F filings of 49 institutional investors for the quarter ended June 30, 2026.

Collectively, these holders controlled 19.88% of Rhinebeck Bancorp's outstanding shares in Q2 2026, down from 20.19% in Q1 2026.
Total shares held in RBKB fell 1.18% from Q1 2026; the number of holders rose 48.48% from Q2 2025.
Of these 49 holders, 30 added to their positions, 9 reduced their stakes and 10 left their positions unchanged.
In total, institutional investors held 2.22Mn shares of Rhinebeck Bancorp at the end of Q2 2026, down 26.45K from the prior quarter and up 34.36K from a year earlier.
M3F, Inc. was the top holder of Rhinebeck Bancorp as of June 30, 2026, with 552.08K shares, or 4.94% of shares outstanding.
Holders that added the most shares of Rhinebeck Bancorp in Q2 2026 were Vanguard Capital Management LLC (+287.38K shares), BlackRock, Inc. (+88.83K shares), Renaissance Technologies LLC (+19K shares), Geode Capital Management, LLC (+13.01K shares) and Vanguard Fiduciary Trust Co (+11.78K shares).
On the other side, among holders that kept a position in Rhinebeck Bancorp, the largest reductions in Q2 2026 came from M3F, Inc. (-458.34K shares), AllianceBernstein L.P. (-14.47K shares), Deutsche Bank AG (-3.52K shares), Morgan Stanley (-1.61K shares) and Tower Research Capital LLC (-522 shares).
Business Quant data shows the 10 biggest positions in Rhinebeck Bancorp as of Q2 2026 were held by M3F, Inc. (552.08K shares), Vanguard Capital Management LLC (471.87K shares), AllianceBernstein L.P. (372.14K shares), BlackRock, Inc. (257.76K shares), Geode Capital Management, LLC (106.62K shares), Bridgeway Capital Management, LLC (74.63K shares), Empowered Funds, LLC (59.63K shares), Renaissance Technologies LLC (43.3K shares), Vanguard Fiduciary Trust Co (37.88K shares) and Northern Trust Corp (36.48K shares).

Form 13F Holdings

49 Institutional Holders

Report period 30 Jun, 2026

Total shares held 2.22Mn

Of outstanding 19.88%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	M3F, Inc.	0001511291	552,076	4.94%	▼458,344	-45.36%	$9.56K
2	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	471,868	4.22%	▲287,377	+155.77%	$8.17Mn
3	ALLIANCEBERNSTEIN L.P.	0001109448	372,139	3.33%	▼14,469	-3.74%	$5.74Mn
4	BlackRock, Inc.	0002012383	257,759	2.31%	▲88,833	+52.59%	$4.46Mn
5	GEODE CAPITAL MANAGEMENT, LLC	0001214717	106,617	0.95%	▲13,008	+13.90%	$1.85Mn
6	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0001107261	74,627	0.67%	0	0.00%	$1.29Mn
7	Empowered Funds, LLC	0001592828	59,627	0.53%	0	0.00%	$1.03Mn
8	RENAISSANCE TECHNOLOGIES LLC	0001037389	43,300	0.39%	▲19,000	+78.19%	$749.52K
9	VANGUARD FIDUCIARY TRUST CO	0000933478	37,882	0.34%	▲11,780	+45.13%	$655.74K
10	Northern Trust Corp	0000073124	36,475	0.33%	▲5,799	+18.90%	$631.38K
11	State Street Corp	0000093751	34,831	0.31%	▲3,800	+12.25%	$602.93K
12	DIMENSIONAL FUND ADVISORS LP	0000354204	32,186	0.29%	▲2,305	+7.71%	$557.14K
13	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	31,584	0.28%	▲5,833	+22.65%	$546.72K
14	Cerity Partners LLC	0001566475	20,052	0.18%	▲45	+0.22%	$347.10K
15	Bank of New York Mellon Corp	0001390777	14,214	0.13%	▲14,214	0.00%	$246.04K
16	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	11,327	0.10%	0	0.00%	$196.07K
17	Focused Wealth Management, Inc	0001586052	10,000	0.09%	0	0.00%	$173.10K
18	Morgan Stanley	0000895421	6,660	0.06%	▼1,614	-19.51%	$115.29K
19	RHUMBLINE ADVISERS	0001115418	5,514	0.05%	▲493	+9.82%	$95.44K
20	NEW YORK STATE COMMON RETIREMENT FUND	0000810265	5,507	0.05%	0	0.00%	$95.33K

Showing 1 to 20 of 49 holders