Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in CLBK held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 2.3M | $40.4M | -2.7% | 2.218% | 0.00% |
| 2 | DIMENSIONAL FUND ADVISORS LP | 2.0M | $35.7M | +2.6% | 1.960% | 0.01% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 1.2M | $21.0M | β | 1.153% | 0.00% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.1M | $19.1M | β | 1.048% | 0.00% |
| 5 | STATE STREET CORP | 918K | $16.1M | -0.9% | 0.882% | 0.00% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 757K | $13.3M | -2.4% | 0.727% | 0.00% |
| 7 | RENAISSANCE TECHNOLOGIES LLC | 676K | $11.8M | +12.0% | 0.649% | 0.02% |
| 8 | Ursa Fund Management, LLC | 500K | $8.8M | β | 0.480% | 17.70% |
| 9 | MORGAN STANLEY | 354K | $6.2M | +25.5% | 0.340% | 0.00% |
| 10 | NORTHERN TRUST CORP | 243K | $4.2M | +2.4% | 0.233% | 0.00% |
| 11 | D. E. Shaw & Co., Inc. | 229K | $4.0M | +10.3% | 0.220% | 0.00% |
| 12 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 222K | $3.9M | -3.5% | 0.213% | 0.00% |
| 13 | Creative Planning | 178K | $3.1M | -4.0% | 0.171% | 0.00% |
| 14 | VANGUARD FIDUCIARY TRUST CO | 177K | $3.1M | β | 0.169% | 0.00% |
| 15 | GOLDMAN SACHS GROUP INC | 171K | $3.0M | -4.7% | 0.164% | 0.00% |
| 16 | TWO SIGMA INVESTMENTS, LP | 144K | $2.5M | +2.7% | 0.138% | 0.00% |
| 17 | TUDOR INVESTMENT CORP ET AL | 111K | $1.9M | +324.9% | 0.107% | 0.01% |
| 18 | Bank of New York Mellon Corp | 107K | $1.9M | -2.6% | 0.103% | 0.00% |
| 19 | UBS Group AG | 104K | $1.8M | +48.1% | 0.100% | 0.00% |
| 20 | CITIGROUP INC | 103K | $1.8M | +19.5% | 0.099% | 0.00% |
| 21 | MANGROVE PARTNERS | 101K | $1.8M | β | 0.097% | 0.14% |
| 22 | UBS ASSET MANAGEMENT AMERICAS INC | 88K | $1.5M | +0.4% | 0.085% | 0.00% |
| 23 | CITADEL ADVISORS LLC | 80K | $1.4M | -35.2% | 0.077% | 0.00% |
| 24 | FIRST TRUST ADVISORS LP | 78K | $1.4M | -2.2% | 0.074% | 0.00% |
| 25 | Nuveen, LLC | 76K | $1.3M | +0.6% | 0.073% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in CLBK β a direct measure of their conviction.
Filings activity in CLBK during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new CLBK position in Q1 2026
Institutions that fully closed their CLBK position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 123 | 3.1% | 10.77% | +1.42 pp | $232M | +15% |
| Q4 2025 | 127 | 0.8% | 9.35% | +0.04 pp | $201M | +0.4% |
| Q3 2025 | 128 | +4.9% | 9.31% | +0.35 pp | $201M | +3.9% |
| Q2 2025 | 122 | +1.7% | 8.96% | +0.60 pp | $193M | +7.2% |
| Q1 2025 | 120 | +7.1% | 8.36% | 0.33 pp | $180M | 3.9% |
| Q4 2024 | 112 | +11% | 8.69% | 0.40 pp | $187M | 4.4% |
| Q3 2024 | 101 | +1.0% | 9.09% | +1.15 pp | $196M | +15% |
| Q2 2024 | 100 | β | 7.94% | β | $171M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying CLBK stock.
Based on Q1 2026 13F filings, institutional ownership of Columbia Financial, Inc. stands at 10.8%, held across 123 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of CLBK, with approximately 2,309,717 shares worth $0.04B as of Q1 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of CLBK, including RENAISSANCE TECHNOLOGIES LLC, TWO SIGMA INVESTMENTS, LP, CITADEL ADVISORS LLC.
Our composite Smart Money Score for CLBK is 66 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
18 institutions opened new positions in CLBK during Q1 2026, while 22 fully exited. 84 added to existing positions and 19 trimmed.
CLBK institutional ownership rose by 1.42 percentage points quarter-over-quarter, with a net change of -4 holders.
The top 10 institutions account for 76.1% of all reported 13F value in CLBK, and the top 25 account for 90.9%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Columbia Financial, Inc. (CLBK) Institutional Ownership