$CLBK

$10.89 +$0.04 (0.37%) Close

$CLBK Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 269.5M shares outstanding

Who owns CLBK?

By type of holder

Institutions 83.7% Insiders 1.3% Everyone else 15.0%

Concentration Top 10 holders own 40.0%

BlackRock, Inc. 9.0% · Vanguard Portfolio Management LLC 4.2%

Institutional ownership

83.7%

+4.7 pts vs last qtr

Institutional holders

557

+30 vs last qtr

Net shares bought

+12.6M

by institutions in Q2 2026

New / sold out

87 / 57

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Norges Bank NEW +2.0M
Dimensional Fund Advisors LP +1.6M

Biggest sellers in Q2 2026

Millennium Management LLC −1.6M
Wellington Management Group LLP −1.4M

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Columbia Financial Inc in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for Columbia Financial Inc.

How patient are the owners?

Institutional shares by how long they've been held

5+ years69% 3–5 years12% 1–3 years7% Under 1 year12%

Quarterly turnover

8.2%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting CLBK on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	24.2M	8.99%	+614.3K (+2.6%)	≤2021	0.0%
Shares held by quarter Peak holding24.2M (Q2'26) Change over 8 quarters+1.4M Share of the company8.990% BlackRock, Inc.'s full portfolio →
VP Vanguard Portfolio Management LLC	11.4M	4.23%	+63.8K (+0.6%)	≤2021	0.0%
Shares held by quarter Peak holding11.4M (Q2'26) Change over 8 quarters+11.4M Share of the company4.230% Vanguard Portfolio Management LLC's full portfolio →

BlackRock, Inc.

24.2M

% of company

8.99%

Change vs last qtr

+614.3K (+2.6%)

Held since

≤2021

Vanguard Portfolio Management LLC

11.4M

% of company

4.23%

Change vs last qtr

+63.8K (+0.6%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Columbia Financial Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting CLBK on Form N-PORT; together they hold 36.4% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$188M	7.6M	2.81%	0.01%	June 30, 2026
IC iShares Core S&P Mid-Cap ETF iShares Trust	$184M	7.3M	2.70%	0.15%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$188M

% of company

2.81%

% of the fund

0.01%

As of

June 30, 2026

iShares Core S&P Mid-Cap ETF

iShares Trust

Position value

$184M

% of company

2.70%

% of the fund

0.15%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Columbia Financial Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
KT Kemly Thomas J. Insider	1.4M	0.52%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.520% Kemly Thomas J.'s insider activity →
GD Gibney Dennis E. Insider	624.4K	0.23%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.230% Gibney Dennis E.'s insider activity →

Kemly Thomas J.

Insider

1.4M

% of company

0.52%

Change vs last qtr

—

Held since

—

Gibney Dennis E.

Insider

624.4K

% of company

0.23%

Change vs last qtr

—

Held since

—

7 more holders behind a free account

See every insider and 5%+ holder of Columbia Financial Inc.

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