Columbia Financial, Inc.

CLBK

Exchange: Nasdaq
Industry: Savings Institution, Federally Chartered
SEC CIK: 0002115119

SEC filings (opens in a new tab)

In the last 90 days, Columbia Financial, Inc. insiders filed 17 open-market purchases and 0 sales; 122 institutions reported holding it in 13F filings for Q2 2026, worth $347.1M in total; no superinvestor holds it.

Q2 2026 vs. Q1 2026

How the institutions holding Columbia Financial, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026 All holders in Q1 2026

13F holders of CLBK: Q1 2026 compared with Q2 2026
Measure	Q1 2026	Of which not filed for Q2 2026	Q2 2026	Change
Holders	125	3	122	0
Shares	13.3M	23.2K	16.4M	+3.07M (+23.1%)
Value	$233.1M	$405.9K	$347.1M	+$114.4M (+49.1%)

3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (22)

Institutions that held Columbia Financial, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to CLBK in Q2 2026
Institution	Shares	Value	% of portfolio
One Fin Capital Management LP	580,000	$12.3M	4.31%
Weiss Asset Management LP	504,549	$10.7M	0.12%
PEAK6 LLC	126,887	$2.69M	0.07%
Schonfeld Strategic Advisors LLC	65,633	$1.39M	0.01%
Occudo Quantitative Strategies LP	51,945	$1.10M	0.06%
Prudential Financial Inc	32,490	$689.4K	0.00%
Simplex Trading, LLC	30,893	$655.5K	0.02%
Inceptionr LLC	23,949	$508.2K	0.13%
Wittenberg Investment Management, Inc.	21,685	$460.2K	0.16%
Jupiter Topco LLC	17,955	$380.9K	0.00%
Quantbot Technologies LP	16,286	$345.6K	0.01%
SG Americas Securities, LLC	14,360	$305.0K	0.00%
Arkadios Wealth Advisors	12,686	$269.2K	0.00%
DRW Securities, LLC	12,561	$266.5K	0.02%
Lighthouse Investment Partners, LLC	11,825	$250.9K	0.01%
Brevan Howard Capital Management LP	11,563	$245.4K	0.00%
Marshall Wace, LLP	9,908	$210.2K	0.00%
Caitong International Asset Management Co., Ltd	199	$4.22K	0.00%
Global Retirement Partners, LLC	190	$4.03K	0.00%
Silver Grove Financial Group, Inc.	18	$382	0.00%
Action Point Financial Planning, LLC	13	$276	0.00%
National Bank of Canada	1	$21	0.00%

Sold out (22)

Institutions that held Columbia Financial, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of CLBK in Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Gator Capital Management, LLC	48,015	$840.7K
Engineers Gate Manager LP	17,865	$312.8K
Hudson Capital Management LLC	14,632	$256.2K
Roundview Capital LLC	14,385	$251.9K
Aigen Investment Management, LP	12,667	$221.8K
Campbell & CO Investment Adviser LLC	11,020	$193.0K
SEI Investments Co	10,670	$186.8K
Mariner, LLC	10,601	$185.6K
Strategic Advisors LLC	10,459	$183.1K
KLP Kapitalforvaltning AS	7,200	$126.1K
Quadrant Capital Group LLC	5,723	$100.2K
State of Wyoming	3,910	$68.5K
Northwestern Mutual Wealth Management Co	1,634	$28.6K
Allworth Financial LP	777	$13.6K
Root Financial Partners, LLC	133	$2.33K
Kilter Group LLC	83	$1.45K
Parkside Financial Bank & Trust	70	$1.23K
Aquatic Capital Management LLC	53	$928
Rialto Wealth Management, LLC	38	$666
Advisory Services Network, LLC	31	$543
MAI Capital Management	10	$176
HFM Investment Advisors, LLC	3	$53

Not filed for Q2 2026 yet (3)

Institutions that held Columbia Financial, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CLBK in Q1 2026 that haven't filed for Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Janus Henderson Group PLC	17,955	$314.6K
CWM, LLC	2,730	$47.8K
USA Financial Portformulas Corp	2,486	$43.5K