Columbia Financial, Inc. (CLBK) ownership: Top institutional holder: BlackRock, Inc. ($40.44M). Insider activity: Net Seller (1 buys, 19 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 2309717.00 | $40.44M | 2026-03-31 |
| VANGUARD GROUP INC | 2521147.00 | $39.18M | 2025-12-31 |
| DIMENSIONAL FUND ADVISORS LP | 2040794.00 | $35.73M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1201220.00 | $21.03M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1091647.00 | $19.11M | 2026-03-31 |
| STATE STREET CORP | 918325.00 | $16.08M | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 756945.00 | $13.26M | 2026-03-31 |
| RENAISSANCE TECHNOLOGIES LLC | 676066.00 | $11.84M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-12 | |
| Sell | null | 2026-06-12 | |
| Sell | null | 2026-06-12 | |
| Sell | null | 2026-06-12 | |
| Sell | null | 2026-05-29 | |
| Sell | null | 2026-05-29 | |
| Sell | null | 2026-05-15 | |
| Sell | null | 2026-05-15 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.