CLBK Institutional Ownership & Shareholders
COLUMBIA FINANCIAL INC (CLBK) is currently held by 98 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $339.45M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of CLBK tracked by InsiderSet, reporting ownership valued at approximately $51.90M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $27.00M, representing an estimated loss of -47.97% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 75% of the total disclosed CLBK value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Dimensional Fund Advisors Lp, Ursa Fund Management, Llc, and several other long-term asset managers with concentrated positions in COLUMBIA FINANCIAL INC (CLBK).
This page ranks the largest institutional CLBK shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
98
Total Reported Value
$339.45M
Largest Holder
Blackrock, Inc.
Largest Position
$51.90M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
151
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 2,445,887 | $51,901,724 | $27,002,592 | -$24,899,132 | -47.97% | |
| Dimensional Fund Advisors Lp | 0.01% | 2,102,017 | $44,603,729 | $23,206,268 | -$21,397,461 | -47.97% | |
| Ursa Fund Management, Llc | 7.03% | 1,275,888 | $27,074,343 | $14,085,804 | -$12,988,539 | -47.97% | |
| State Street Corp | 0.00% | 1,225,405 | $26,003,094 | $13,528,471 | -$12,474,623 | -47.97% | |
| Vanguard Capital Management Llc | 0.00% | 1,175,642 | $24,947,123 | $12,979,088 | -$11,968,035 | -47.97% | |
| Vanguard Portfolio Management Llc | 0.00% | 1,121,766 | $23,803,875 | $12,384,297 | -$11,419,578 | -47.97% | |
| Geode Capital Management, Llc | 0.00% | 785,997 | $16,682,107 | $8,677,407 | -$8,004,700 | -47.98% | |
| Renaissance Technologies LLC | Jim Simons | 0.02% | 718,962 | $15,256,374 | $7,937,340 | -$7,319,034 | -47.97% |
| One Fin Capital Management Lp | 4.31% | 580,000 | $12,307,600 | $6,403,200 | -$5,904,400 | -47.97% | |
| Weiss Asset Management Lp | 0.12% | 504,549 | $10,706,530 | $5,570,221 | -$5,136,309 | -47.97% | |
| Two Sigma Investments, Lp | 0.00% | 283,231 | $6,010,162 | $3,126,870 | -$2,883,292 | -47.97% | |
| Morgan Stanley | 0.00% | 282,124 | $5,986,671 | $3,114,649 | -$2,872,022 | -47.97% | |
| Northern Trust Corp | 0.00% | 252,729 | $5,362,909 | $2,790,128 | -$2,572,781 | -47.97% | |
| Charles Schwab Investment Management Inc | 0.00% | 224,429 | $4,762,383 | $2,477,696 | -$2,284,687 | -47.97% | |
| Citadel Advisors Llc | 0.00% | 188,267 | $3,995,026 | $2,078,468 | -$1,916,558 | -47.97% | |
| Vanguard Fiduciary Trust Co | 0.00% | 179,344 | $3,805,680 | $1,979,958 | -$1,825,722 | -47.97% | |
| Goldman Sachs Group Inc | 0.00% | 129,962 | $2,757,794 | $1,434,780 | -$1,323,014 | -47.97% | |
| Peak6 Llc | 0.07% | 126,887 | $2,692,542 | $1,400,832 | -$1,291,710 | -47.97% | |
| D. E. Shaw & Co., Inc. | 0.00% | 120,099 | $2,548,501 | $1,325,893 | -$1,222,608 | -47.97% | |
| Citigroup Inc | 0.00% | 111,526 | $2,366,581 | $1,231,247 | -$1,135,334 | -47.97% | |
| Bank Of New York Mellon Corp | 0.00% | 110,174 | $2,337,893 | $1,216,321 | -$1,121,572 | -47.97% | |
| Nuveen, Llc | 0.00% | 105,333 | $2,235,167 | $1,162,876 | -$1,072,291 | -47.97% | |
| Mangrove Partners Im, Llc | 0.14% | 100,911 | $2,141,331 | $1,114,057 | -$1,027,274 | -47.97% | |
| Susquehanna International Group, Llp | 0.00% | 100,514 | $2,132,907 | $1,109,675 | -$1,023,232 | -47.97% | |
| Ubs Group Ag | 0.00% | 79,953 | $1,696,603 | $882,681 | -$813,922 | -47.97% | |
| First Trust Advisors Lp | 0.00% | 78,295 | $1,661,419 | $864,377 | -$797,042 | -47.97% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 88,200 | $1,544,382 | $973,728 | -$570,654 | -36.95% | |
| Bank Of America Corp | 0.00% | 72,751 | $1,543,776 | $803,171 | -$740,605 | -47.97% | |
| Jane Street Group, Llc | 0.00% | 71,534 | $1,517,951 | $789,735 | -$728,216 | -47.97% | |
| Quantinno Capital Management Lp | 0.00% | 71,497 | $1,517,166 | $789,327 | -$727,839 | -47.97% | |
| American Century Companies Inc | 0.00% | 67,032 | $1,422,420 | $740,033 | -$682,387 | -47.97% | |
| Squarepoint Ops Llc | 0.00% | 66,777 | $1,417,008 | $737,218 | -$679,790 | -47.97% | |
| Schonfeld Strategic Advisors Llc | 0.01% | 65,633 | $1,392,730 | $724,588 | -$668,142 | -47.97% | |
| Tudor Investment Corp Et Al | 0.01% | 62,518 | $1,326,632 | $690,199 | -$636,433 | -47.97% | |
| Swiss National Bank | 0.00% | 52,288 | $1,109,551 | $577,260 | -$532,291 | -47.97% | |
| Occudo Quantitative Strategies Lp | 0.06% | 51,945 | $1,102,273 | $573,473 | -$528,800 | -47.97% | |
| Peapack Gladstone Financial Corp | 0.01% | 49,150 | $1,043,000 | $542,616 | -$500,384 | -47.98% | |
| Bnp Paribas Financial Markets | 0.00% | 49,123 | $1,042,390 | $542,318 | -$500,072 | -47.97% | |
| Fmr Llc | 0.00% | 45,482 | $965,139 | $502,121 | -$463,018 | -47.97% | |
| Aqr Capital Management Llc | 0.00% | 40,008 | $848,970 | $441,688 | -$407,282 | -47.97% | |
| Invesco Ltd. | 0.00% | 37,911 | $804,472 | $418,537 | -$385,935 | -47.97% | |
| Rhumbline Advisers | 0.00% | 37,544 | $796,675 | $414,486 | -$382,189 | -47.97% | |
| Alliancebernstein L.P. | 0.00% | 39,650 | $694,272 | $437,736 | -$256,536 | -36.95% | |
| Prudential Financial Inc | 0.00% | 32,490 | $689,438 | $358,690 | -$330,748 | -47.97% | |
| Simplex Trading, Llc | 0.02% | 30,893 | $655,549 | $341,059 | -$314,490 | -47.97% | |
| Minerva Advisors Llc | 0.38% | 33,794 | $591,733 | $373,086 | -$218,647 | -36.95% | |
| California State Teachers Retirement System | 0.00% | 27,666 | $587,073 | $305,433 | -$281,640 | -47.97% | |
| Deutsche Bank Ag\ | 0.00% | 26,204 | $556,049 | $289,292 | -$266,757 | -47.97% | |
| Sequoia Financial Advisors | 0.00% | 25,804 | $547,561 | $284,876 | -$262,685 | -47.97% | |
| Rafferty Asset Management, Llc | 0.00% | 24,278 | $515,179 | $268,029 | -$247,150 | -47.97% |
Frequently asked questions about CLBK
Who are the largest institutional holders of CLBK?
The largest institutional holders of CLBK reported in the latest SEC Form 13F filings include Blackrock, Inc., Dimensional Fund Advisors Lp, Ursa Fund Management, Llc, State Street Corp, and Vanguard Capital Management Llc. InsiderSet ranks institutional holders by their latest reported CLBK position.
What is CLBK institutional ownership?
This page tracks CLBK positions reported by institutional investment managers through SEC Form 13F. COLUMBIA FINANCIAL INC (CLBK) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own CLBK?
InsiderSet currently tracks 98 institutional managers reporting CLBK holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of CLBK shareholders.
How much CLBK stock do institutions own?
Institutional investment managers disclosed approximately $339.45M in CLBK holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was CLBK institutional ownership last updated?
The latest CLBK institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional CLBK holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its CLBK position after the reporting date.
Are institutions buying or selling CLBK?
Institutional buying and selling can be analyzed by comparing CLBK positions across consecutive 13F reporting periods. InsiderSet's CLBK Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View CLBK ownership changes.
How has CLBK institutional ownership changed over time?
InsiderSet tracks CLBK institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.