Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
786 institutional managers reported holding RIVN for the quarter ended Mar 31, 2026. Together they hold about 51% of shares outstanding; the top 10 hold 35%. 101 opened new positions; 104 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Amazon COM INC (focused) | 158.36M | 12.68% | $2.38B | unchanged | 2021 Q4 |
| Vanguard Group | 83.74M | 6.71% | $1.26B | added +2.8% | 2021 Q4 |
| BlackRock | 53.97M | 4.32% | $812.8M | added +7% | 2021 Q4 |
| Baillie Gifford | 43.82M | 3.51% | $660.0M | unchanged | 2021 Q4 |
| UBS | 23.37M | 1.87% | $351.9M | trimmed -13.6% | 2021 Q4 |
| State Street | 20.60M | 1.65% | $310.2M | added +2.2% | 2021 Q4 |
| Geode Capital | 15.31M | 1.23% | $230.6M | added +3.6% | 2021 Q4 |
| Capital Group (American Funds) | 10.95M | 0.88% | $164.9M | opened | 2026 Q1 |
| Renaissance Technologies | 10.92M | 0.87% | $164.4M | trimmed -33.4% | 2022 Q2 |
| Morgan Stanley | 10.32M | 0.83% | $155.4M | trimmed -15.6% | 2021 Q4 |
| Capital International Investors | 10.21M | 0.82% | $153.8M | trimmed -50.8% | 2024 Q4 |
| Two Sigma | 9.55M | 0.77% | $143.9M | trimmed -27.6% | 2025 Q1 |
| Goldman Sachs | 8.90M | 0.71% | $134.0M | added +55.6% | 2021 Q4 |
| FMR (Fidelity) | 8.69M | 0.69% | $130.8M | added +71.8% | 2021 Q4 |
| Citigroup INC | 8.67M | 0.69% | $130.6M | trimmed -12.1% | 2021 Q4 |
| D. E. Shaw | 8.63M | 0.69% | $130.0M | trimmed -36.8% | 2025 Q1 |
| Northern Trust | 7.66M | 0.61% | $115.3M | added +3.4% | 2021 Q4 |
| Dimensional Fund Advisors | 7.44M | 0.60% | $112.0M | unchanged | 2022 Q3 |
| Amundi | 6.81M | 0.55% | $102.5M | added +16.1% | 2021 Q4 |
| Soma Equity Partners LP (focused) | 5.71M | 0.46% | $86.0M | trimmed -30.3% | 2023 Q2 |
| Charles Schwab Investment Management | 5.52M | 0.44% | $83.2M | added +5.9% | 2021 Q4 |
| AQR Capital | 4.73M | 0.38% | $71.2M | added +21.1% | 2023 Q2 |
| Legal & General Group PLC | 4.46M | 0.36% | $67.2M | trimmed -1.6% | 2021 Q4 |
| Bank OF America CORP /DE/ | 3.92M | 0.31% | $59.0M | trimmed -62.4% | 2021 Q4 |
| Marshall Wace | 3.66M | 0.29% | $55.0M | added +635.1% | 2023 Q3 |
| Gilder Gagnon Howe & CO LLC | 3.55M | 0.28% | $53.4M | trimmed -1.5% | 2024 Q2 |
| Hsbc Holdings PLC | 3.10M | 0.25% | $46.7M | added +60.8% | 2021 Q4 |
| First Trust Advisors LP | 3.06M | 0.24% | $46.1M | trimmed -21.8% | 2021 Q4 |
| HRT Financial LP | 3.05M | 0.24% | $45.9M | added +797.5% | 2024 Q1 |
| BNY Mellon | 2.82M | 0.23% | $42.4M | trimmed -6% | 2021 Q4 |
| Nuveen | 2.77M | 0.22% | $41.6M | trimmed -0.6% | 2021 Q4 |
| Wells Fargo & COMPANY/MN | 2.74M | 0.22% | $41.3M | added +135.3% | 2021 Q4 |
| Alpine Global Management, LLC | 2.66M | 0.21% | $40.1M | added +1.2% | 2025 Q3 |
| Invesco | 2.65M | 0.21% | $39.8M | trimmed -10.8% | 2021 Q4 |
| Swiss National Bank | 2.33M | 0.19% | $35.1M | added +8.2% | 2021 Q4 |
| Citadel Advisors | 2.25M | 0.18% | $33.9M | added +124.4% | 2021 Q4 |
| Mitsubishi UFJ Asset Management CO., LTD. | 2.10M | 0.17% | $31.6M | added +2.7% | 2021 Q4 |
| Barclays PLC | 1.89M | 0.15% | $28.5M | trimmed -1.8% | 2022 Q1 |
| Susquehanna International Group | 1.88M | 0.15% | $28.4M | added +361% | 2021 Q4 |
| Deutsche Bank AG\ | 1.88M | 0.15% | $28.3M | trimmed -12.5% | 2021 Q4 |
| Aberdeen Group plc | 1.69M | 0.14% | $25.5M | added +2.7% | 2021 Q4 |
| Sumitomo Mitsui Trust Group, INC. | 1.65M | 0.13% | $24.8M | trimmed -10.3% | 2021 Q4 |
| BNP Paribas Financial Markets | 1.56M | 0.13% | $23.5M | trimmed -11.7% | 2022 Q3 |
| Russell Investments Group, LTD. | 1.48M | 0.12% | $22.3M | added +11.7% | 2021 Q4 |
| Jane Street | 1.44M | 0.12% | $21.6M | added +4.4% | 2021 Q4 |
| California State Teachers Retirement System | 1.24M | 0.10% | $18.7M | unchanged | 2021 Q4 |
| Valueworks LLC (focused) | 1.23M | 0.10% | $18.5M | unchanged | 2024 Q2 |
| Tudor Investment | 1.14M | 0.09% | $17.2M | trimmed -30.2% | 2025 Q4 |
| CalPERS | 1.10M | 0.09% | $16.5M | trimmed -2.1% | 2021 Q4 |
| Marex Group plc | 1.09M | 0.09% | $16.4M | added +10% | 2025 Q1 |
Largest 50 of 786 shown; the full ranked, searchable register is at boothcheck.com/holders/RIVN. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.