Rivian Automotive, Inc. (RIVN) ownership: Top institutional holder: AMAZON COM INC ($2.38B). Insider activity: Net Seller (1 buys, 19 sells). 4 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| AMAZON COM INC | 158363834.00 | $2.38B | 2026-03-31 |
| VANGUARD GROUP INC | 81409278.00 | $1.60B | 2025-12-31 |
| BlackRock, Inc. | 53970947.00 | $812.26M | 2026-03-31 |
| BAILLIE GIFFORD & CO | 43821500.00 | $659.51M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 40259422.00 | $605.90M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 36085183.00 | $543.08M | 2026-03-31 |
| TWO SIGMA ADVISERS, LP | 20659520.00 | $407.20M | 2025-12-31 |
| JPMORGAN CHASE & CO | 22781407.00 | $330.10M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-07-06 | |
| Sell | null | 2026-06-22 | |
| Sell | null | 2026-06-22 | |
| Sell | null | 2026-06-22 | |
| Sell | null | 2026-06-22 | |
| Sell | null | 2026-06-22 | |
| Sell | null | 2026-06-18 | |
| Sell | null | 2026-06-18 |
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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.