REGENXBIO Inc. (RGNX) ownership: Top institutional holder: VANGUARD GROUP INC ($48.59M). Insider activity: Neutral (2 buys, 2 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 3374140.00 | $48.59M | 2025-12-31 |
| BlackRock, Inc. | 5782808.00 | $48.46M | 2026-03-31 |
| Redmile Group, LLC | 4368804.00 | $36.61M | 2026-03-31 |
| JPMORGAN CHASE & CO | 3483800.00 | $27.07M | 2026-03-31 |
| STATE STREET CORP | 2731485.00 | $22.89M | 2026-03-31 |
| BlackRock Fund Advisors | 1034945.00 | $19.20M | 2016-12-31 |
| MORGAN STANLEY | 2066157.00 | $17.31M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2007146.00 | $16.82M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-11 | |
| Sell | null | 2026-03-10 | |
| Buy | null | 2026-02-01 | |
| Buy | null | 2026-02-01 |
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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.