Riverview Bancorp, Inc. (RVSB) ownership: Nierenberg Investment Management Company, LLC 14% · institutions 73% (13F 2026-03-31). Insider activity, 90 days: Insiders bought (3 sales, 6 open-market buys). SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| BlackRock | 2377168.00 | $13.07M | 11.9% | 2026-03-31 |
| Nierenberg Investment Management Company, LLC | 2032775.00 | $11.18M | 10.2% | 2026-03-31 |
| Dimensional Fund Advisors | 1336020.00 | $7.35M | 6.7% | 2026-03-31 |
| Vanguard | 1166981.00 | $6.42M | 5.8% | 2026-03-31 |
| Manufacturers Life Insurance Company, the | 1076450.00 | $5.92M | 5.4% | 2026-03-31 |
| Ameriprise (Columbia) | 888653.00 | $4.89M | 4.5% | 2026-03-31 |
| Pacific Ridge Capital Partners, LLC | 755355.00 | $4.15M | 3.8% | 2026-03-31 |
| Arrowstreet Capital | 578100.00 | $3.18M | 2.9% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Buy | null | 2026-08-20 | |
| Buy | null | 2026-08-18 | |
| Buy | null | 2026-08-17 | |
| Buy | null | 2026-08-12 | |
| Buy | null | 2026-08-03 | |
| Buy | null | 2026-07-31 | |
| Sell | null | 2026-07-22 | |
| Sell | null | 2026-07-22 |
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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.