CLBK · Columbia Financial, Inc. · Shareholders & Ownership

$10.63 -0.02 (-0.19%) At close · Oct 21

Russell 2000 member Rebalance outlook locked

Market Cap

$2.87B

269.55M

Volume · Oct 21 3.63M Avg daily vol (3M) 4.72M

Every disclosed holder of CLBK in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

How the holder list picks a filing →

Who Owns CLBK

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

Holder group	Holders	Shares	% Out	Summed
Institutional (13F)	127	36,050,624	13.37%	Yes
Insiders (Forms 3, 4, 5)	19	6,820,736	2.53%	Yes
13D/G-only blocks	0	0	0.00%	Yes
Remaining	—	226,673,775	84.09%	Rest
Registered funds (N-PORT, not summed)	129	34,786,890	12.91%	No

Shares outstanding: 269,545,135, the issuer's latest cover-page count restated onto today's split basis.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of CLBK

One row per holder Every filing By ultimate parent

All 13F Funds Insiders 13D/G Non-US

#	Holder	Shares	% Out	Change	As of	Notes
1	BlackRock, Inc. 13F CIK 2012383 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	5,380,951	2.00%	+299,574	Jun 30, 2026	carried, not yet filed for the newest quarter
1.1	iShares Russell 2000 ETF Fund S000004344 · Registered fund · Jun 30, 2026 iShares Trust, not summed	1,561,336	0.58%	+114,568	Jun 30, 2026	iShares Trust, not summed
1.2	iShares Russell 2000 Value ETF Fund S000004342 · Registered fund · Jun 30, 2026 iShares Trust, not summed	549,021	0.20%	+65,683	Jun 30, 2026	iShares Trust, not summed
1.3	iShares Core S&P Total U.S. Stock Market ETF Fund S000004317 · Registered fund · Jun 30, 2026 iShares Trust, not summed	94,233	0.04%	+2,394	Jun 30, 2026	iShares Trust, not summed
1.4	iShares Russell Small/Mid-Cap Index Fund Fund S000050373 · Registered fund · Jul 31, 2026 BlackRock Funds, not summed	46,627	0.02%	+37,354	Jul 31, 2026	BlackRock Funds, not summed
1.5	iShares Russell 2000 Growth ETF Fund S000004343 · Registered fund · Jun 30, 2026 iShares Trust, not summed	37,305	0.01%	+387	Jun 30, 2026	iShares Trust, not summed
2	DIMENSIONAL FUND ADVISORS LP 13F CIK 354204 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	4,624,437	1.72%	+134,690	Jun 30, 2026	carried, not yet filed for the newest quarter
2.1	U.S. SMALL CAP PORTFOLIO Fund S000000971 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	1,202,969	0.45%	+308,233	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
2.2	Dimensional U.S. Small Cap ETF Fund S000070906 · Registered fund · Jul 31, 2026 Dimensional ETF Trust, not summed	865,900	0.32%	+196,374	Jul 31, 2026	Dimensional ETF Trust, not summed
2.3	U.S. SMALL CAP VALUE PORTFOLIO Fund S000000987 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	817,176	0.30%	—	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
2.4	U.S. MICRO CAP PORTFOLIO Fund S000000948 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	752,926	0.28%	+259,268	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
2.5	U.S. Targeted Value Portfolio Fund S000000970 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	683,496	0.25%	+422,112	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
3	Ursa Fund Management, LLC 13F CIK 1693838 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	2,806,954	1.04%	+1,706,954	Jun 30, 2026	carried, not yet filed for the newest quarter
4	STATE STREET CORP 13F CIK 93751 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	2,695,891	1.00%	+675,576	Jun 30, 2026	carried, not yet filed for the newest quarter
4.1	State Street(R) SPDR(R) S&P(R) Regional Banking ETF Fund S000012325 · Registered fund · Jun 30, 2026 SPDR SERIES TRUST, not summed	941,400	0.35%	+608,043	Jun 30, 2026	SPDR SERIES TRUST, not summed
4.2	STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO Fund S000050332 · Registered fund · Jun 30, 2026 STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed	20,680	0.01%	-1,760	Jun 30, 2026	STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
4.3	State Street Balanced Index Fund Fund S000082802 · Registered fund · Jun 30, 2026 STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed	671	0.00%	0	Jun 30, 2026	STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
5	VANGUARD CAPITAL MANAGEMENT LLC 13F CIK 2100119 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	2,586,412	0.96%	-56,272	Jun 30, 2026	carried, not yet filed for the newest quarter
6	VANGUARD PORTFOLIO MANAGEMENT LLC 13F CIK 2100121 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	2,467,885	0.92%	+66,262	Jun 30, 2026	carried, not yet filed for the newest quarter
7	VANGUARD TOTAL STOCK MARKET INDEX FUND Fund S000002848 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	1,812,996	0.67%	-79,310	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
8	Klein Steven M Insider CIK 1409460 · Jul 20, 2026 Director, Chairman, President & CEO, issuer-wide	1,750,791	0.65%	—	Jul 20, 2026	Director, Chairman, President & CEO, issuer-wide
9	GEODE CAPITAL MANAGEMENT, LLC 13F CIK 1214717 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,729,193	0.64%	+63,914	Jun 30, 2026	carried, not yet filed for the newest quarter
10	RENAISSANCE TECHNOLOGIES LLC 13F CIK 1037389 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,581,716	0.59%	+94,371	Jun 30, 2026	carried, not yet filed for the newest quarter
11	Kemly Thomas J. Insider CIK 1729897 · Oct 16, 2026 Director, President & CEO, issuer-wide	1,389,360	0.52%	—	Oct 16, 2026	Director, President & CEO, issuer-wide
12	VANGUARD SMALL-CAP INDEX FUND Fund S000002845 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	1,311,127	0.49%	-1,710	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
13	One Fin Capital Management LP 13F CIK 1753875 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,276,000	0.47%	+1,276,000	Jun 30, 2026	carried, not yet filed for the newest quarter
14	Weiss Asset Management LP 13F CIK 1357550 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,110,008	0.41%	+1,110,008	Jun 30, 2026	carried, not yet filed for the newest quarter
15	VANGUARD SMALL-CAP GROWTH INDEX FUND Fund S000002846 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	752,785	0.28%	+23,481	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
16	Van Dyk Robert Insider CIK 1731363 · Jul 20, 2026 Director, issuer-wide	722,716	0.27%	+55,000	Jul 20, 2026	Director, issuer-wide
17	American Beacon Small Cap Value Fund Fund S000001818 · Registered fund · Jul 31, 2026 AMERICAN BEACON FUNDS, not summed	694,400	0.26%	—	Jul 31, 2026	AMERICAN BEACON FUNDS, not summed
18	VANGUARD EXTENDED MARKET INDEX FUND Fund S000002841 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	679,419	0.25%	-4,812	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
19	TWO SIGMA INVESTMENTS, LP 13F CIK 1179392 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	623,108	0.23%	+306,981	Jun 30, 2026	carried, not yet filed for the newest quarter
20	MORGAN STANLEY 13F CIK 895421 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	620,673	0.23%	-158,712	Jun 30, 2026	carried, not yet filed for the newest quarter
20.1	E*TRADE No Fee Total Market Index Fund Fund S000090722 · Registered fund · Jul 31, 2026 E Trade Trust, not summed	490	0.00%	+105	Jul 31, 2026	E Trade Trust, not summed
21	NORTHERN TRUST CORP 13F CIK 73124 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	556,004	0.21%	+22,077	Jun 30, 2026	carried, not yet filed for the newest quarter
21.1	Small Cap Index Fund Fund S000001245 · Registered fund · Jun 30, 2026 Northern Funds, not summed	30,094	0.01%	+3,912	Jun 30, 2026	Northern Funds, not summed
21.2	Small Cap Core Fund Fund S000001244 · Registered fund · Jun 30, 2026 Northern Funds, not summed	6,899	0.00%	-330	Jun 30, 2026	Northern Funds, not summed
22	Connors John P Jr Insider CIK 1409453 · Jul 20, 2026 Director, issuer-wide	531,098	0.20%	—	Jul 20, 2026	Director, issuer-wide
23	CHARLES SCHWAB INVESTMENT MANAGEMENT INC 13F CIK 884546 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	493,744	0.18%	+5,344	Jun 30, 2026	carried, not yet filed for the newest quarter
23.1	Schwab Small-Cap Index Fund Fund S000005912 · Registered fund · Jul 31, 2026 SCHWAB CAPITAL TRUST, not summed	650,898	0.24%	+517,895	Jul 31, 2026	SCHWAB CAPITAL TRUST, not summed
23.2	Schwab U.S. Small-Cap ETF Fund S000026636 · Registered fund · May 31, 2026 SCHWAB STRATEGIC TRUST, not summed	282,579	0.10%	-4,316	May 31, 2026	SCHWAB STRATEGIC TRUST, not summed
23.3	Schwab Total Stock Market Index Fund Fund S000005913 · Registered fund · Jul 31, 2026 SCHWAB CAPITAL TRUST, not summed	58,466	0.02%	+26,795	Jul 31, 2026	SCHWAB CAPITAL TRUST, not summed
23.4	Schwab U.S. Broad Market ETF Fund S000026631 · Registered fund · May 31, 2026 SCHWAB STRATEGIC TRUST, not summed	39,688	0.01%	0	May 31, 2026	SCHWAB STRATEGIC TRUST, not summed
24	Gibney Dennis E. Insider CIK 1729835 · Aug 26, 2026 1st Sr. EVP, CBO, issuer-wide	445,260	0.17%	—	Aug 26, 2026	1st Sr. EVP, CBO, issuer-wide
25	CITADEL ADVISORS LLC 13F CIK 1423053 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	414,187	0.15%	+284,548	Jun 30, 2026	carried, not yet filed for the newest quarter
26	Creative Planning 13F CIK 1540235 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	404,989	0.15%	+13,708	Jun 30, 2026	carried, not yet filed for the newest quarter
27	VANGUARD FIDUCIARY TRUST CO 13F CIK 933478 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	394,557	0.15%	+6,215	Jun 30, 2026	carried, not yet filed for the newest quarter
28	Klimowich John Insider CIK 1729859 · Oct 16, 2026 SEVP & Chief Risk Officer, issuer-wide	355,360	0.13%	—	Oct 16, 2026	SEVP & Chief Risk Officer, issuer-wide
29	VANGUARD RUSSELL 2000 INDEX FUND Fund S000030003 · Registered fund · May 31, 2026 VANGUARD SCOTTSDALE FUNDS, not summed	306,995	0.11%	+9,823	May 31, 2026	VANGUARD SCOTTSDALE FUNDS, not summed
30	GOLDMAN SACHS GROUP INC 13F CIK 886982 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	285,916	0.11%	-89,406	Jun 30, 2026	carried, not yet filed for the newest quarter
31	PEAK6 LLC 13F CIK 1389958 · Broker-dealer · Jun 30, 2026 carried, not yet filed for the newest quarter	279,151	0.10%	+279,151	Jun 30, 2026	carried, not yet filed for the newest quarter
32	D. E. Shaw & Co., Inc. 13F CIK 1009207 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	264,218	0.10%	-239,611	Jun 30, 2026	carried, not yet filed for the newest quarter
33	Harrison Timothy C Insider CIK 1586195 · Jul 20, 2026 Director, issuer-wide	258,051	0.10%	—	Jul 20, 2026	Director, issuer-wide
34	CITIGROUP INC 13F CIK 831001 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	245,357	0.09%	+17,952	Jun 30, 2026	carried, not yet filed for the newest quarter
35	Bank of New York Mellon Corp 13F CIK 1390777 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	242,383	0.09%	+6,638	Jun 30, 2026	carried, not yet filed for the newest quarter
36	CRM SMALL/MID CAP VALUE FUND Fund S000001325 · Registered fund · Jul 31, 2026 CRM Mutual Fund Trust, not summed	234,537	0.09%	—	Jul 31, 2026	CRM Mutual Fund Trust, not summed
37	Nuveen, LLC 13F CIK 1871926 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	231,733	0.09%	+63,580	Jun 30, 2026	carried, not yet filed for the newest quarter
37.1	Nuveen Small Cap Blend Index Fund Fund S000005367 · Registered fund · Jul 31, 2026 TIAA-CREF Funds, not summed	342,047	0.13%	+278,271	Jul 31, 2026	TIAA-CREF Funds, not summed
37.2	Nuveen Equity Index Fund Fund S000005360 · Registered fund · Jul 31, 2026 TIAA-CREF Funds, not summed	127,418	0.05%	+65,136	Jul 31, 2026	TIAA-CREF Funds, not summed
38	SmallCap Value Fund II Fund S000007169 · Registered fund · Jul 31, 2026 Principal Funds, Inc, not summed	229,650	0.09%	+227,864	Jul 31, 2026	Principal Funds, Inc, not summed
39	Massood Michael Jr. Insider CIK 1731395 · Jul 20, 2026 Director, issuer-wide	222,436	0.08%	—	Jul 20, 2026	Director, issuer-wide
40	MANGROVE PARTNERS IM, LLC 13F CIK 1535392 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	222,004	0.08%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
41	VANGUARD TOTAL WORLD STOCK INDEX FUND Fund S000022482 · Registered fund · Jul 31, 2026 VANGUARD INTERNATIONAL EQUITY INDEX FUNDS, not summed	221,612	0.08%	+186,157	Jul 31, 2026	VANGUARD INTERNATIONAL EQUITY INDEX FUNDS, not summed
42	SUSQUEHANNA INTERNATIONAL GROUP, LLP 13F CIK 1446194 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	221,131	0.08%	+183,579	Jun 30, 2026	carried, not yet filed for the newest quarter
43	Schlesinger Allyson Katz Insider CIK 1752640 · Aug 26, 2026 SEVP&Head of Consumer Banking, issuer-wide	220,152	0.08%	—	Aug 26, 2026	SEVP&Head of Consumer Banking, issuer-wide
44	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 13F CIK 861177 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	212,021	0.08%	+17,981	Jun 30, 2026	carried, not yet filed for the newest quarter
45	Minerva Advisors LLC 13F CIK 1541536 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	196,447	0.07%	+122,100	Jun 30, 2026	carried, not yet filed for the newest quarter
46	UBS Group AG 13F CIK 1610520 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	175,897	0.07%	-53,037	Jun 30, 2026	carried, not yet filed for the newest quarter
47	FIRST TRUST ADVISORS LP 13F CIK 1125816 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	172,249	0.06%	+1,604	Jun 30, 2026	carried, not yet filed for the newest quarter
47.1	First Trust Small Cap Core AlphaDEX Fund Fund S000017339 · Registered fund · Jul 31, 2026 First Trust Exchange-Traded AlphaDEX Fund, not summed	90,440	0.03%	+3,448	Jul 31, 2026	First Trust Exchange-Traded AlphaDEX Fund, not summed
47.2	First Trust NASDAQ ABA Community Bank Index Fund Fund S000026211 · Registered fund · Jun 30, 2026 First Trust Exchange-Traded Fund, not summed	80,687	0.03%	-225	Jun 30, 2026	First Trust Exchange-Traded Fund, not summed
48	BANK OF AMERICA CORP /DE/ 13F CIK 70858 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	160,052	0.06%	+53,462	Jun 30, 2026	carried, not yet filed for the newest quarter
49	Splaine Thomas Jr Insider CIK 1339736 · Jul 20, 2026 EVP, CFO, issuer-wide	157,755	0.06%	—	Jul 20, 2026	EVP, CFO, issuer-wide
50	JANE STREET GROUP, LLC 13F CIK 1595888 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	157,375	0.06%	-8,127	Jun 30, 2026	carried, not yet filed for the newest quarter

21 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 204 holders

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Key facts CIK 2115119 CUSIP 197914104 13F (30d) 20 filings 20 filers Visit website Investor relations