| 4 | STATE STREET CORP | 1.2M | $26.0M | +33.4% | 1.199% | 0.00% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 1.2M | $24.9M | -2.1% | 1.151% | 0.00% |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.1M | $23.8M | +2.8% | 1.098% | 0.00% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 786K | $16.7M | +3.8% | 0.769% | 0.00% |
| 8 | RENAISSANCE TECHNOLOGIES LLC | 719K | $15.3M | +6.3% | 0.704% | 0.02% |
| 9 | One Fin Capital Management LP | 580K | $12.3M | — | 0.568% | 3.97% |
| 10 | Weiss Asset Management LP | 505K | $10.7M | — | 0.494% | 0.11% |
| 11 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 304K | $6.5M | +549.3% | 0.298% | 0.00% |
| 12 | TWO SIGMA INVESTMENTS, LP | 283K | $6.0M | +97.1% | 0.277% | 0.00% |
| 13 | MORGAN STANLEY | 282K | $6.0M | -20.4% | 0.276% | 0.00% |
| 14 | NORTHERN TRUST CORP | 253K | $5.4M | +4.1% | 0.247% | 0.00% |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 224K | $4.8M | +1.1% | 0.220% | 0.00% |
| 16 | CITADEL ADVISORS LLC | 210K | $4.5M | +163.1% | 0.205% | 0.00% |
| 17 | Creative Planning | 184K | $3.9M | +3.5% | 0.180% | 0.00% |
| 18 | VANGUARD FIDUCIARY TRUST CO | 179K | $3.8M | +1.6% | 0.176% | 0.00% |
| 19 | JANE STREET GROUP, LLC | 139K | $3.0M | +85.2% | 0.136% | 0.00% |
| 20 | GOLDMAN SACHS GROUP INC | 130K | $2.8M | -23.8% | 0.127% | 0.00% |
| 21 | PEAK6 LLC | 127K | $2.7M | — | 0.124% | 0.01% |
| 22 | D. E. Shaw & Co., Inc. | 120K | $2.5M | -47.6% | 0.118% | 0.00% |
| 23 | CITIGROUP INC | 112K | $2.4M | +7.9% | 0.109% | 0.00% |
| 24 | Bank of New York Mellon Corp | 110K | $2.3M | +2.8% | 0.108% | 0.00% |
| 25 | Nuveen, LLC | 105K | $2.2M | +37.8% | 0.103% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in CLBK — a direct measure of their conviction.
| 25.82% |
| +0.30 pp |
| $180M |
| 3.9% |
| Q4 2024 | 112 | +11% | 25.52% | +0.79 pp | $187M | 4.4% |
| Q3 2024 | 101 | — | 24.73% | — | $196M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
19 institutions opened new positions in CLBK during Q2 2026, while 21 fully exited. 86 added to existing positions and 12 trimmed.
CLBK institutional ownership rose by 4.14 percentage points quarter-over-quarter, with a net change of -4 holders.
The top 10 institutions account for 73.7% of all reported 13F value in CLBK, and the top 25 account for 89.5%.
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