Rivian Automotive, Inc. / DE
Rivian Automotive, Inc. / DE (RIVN) has a dated report snapshot, but its current priced-in claim is temporarily suppressed because the live engine record is unavailable or has changed.
786 institutional managers reported holding RIVN in 13F filings for the quarter ended 2026-03-31. Together they hold about 51% of the company; the top 10 hold 35%. 92 opened new positions that quarter. Held by Vanguard Group, BlackRock, Baillie Gifford, among others. On the short side, 150.3M shares were sold short as of the 2026-06-15 count, about 12% of shares outstanding (4.5 days of typical volume to cover).
Quarterly 13F filings arrive up to 45 days after quarter end, so the picture is never current (filed through 2026-05-29). Nothing here is investment advice.
Open-market insider buys at RIVN over the trailing three years: 2023: 1 buy totaling $10k; 2024: 1 buy totaling $11k. 12 officers and directors are on file.
Code P open-market purchases from SEC Form 4 filings, non-derivative, excluding scheduled 10b5-1 plans. Nothing here is investment advice.
RIVN's recent reports: the day-one move, then what the following quarter actually did.
| report | day one | next quarter |
|---|---|---|
| 2023-08-09 | -8.0% | -13.3% |
| 2023-11-08 | -1.1% | +12.2% |
| 2024-02-27 | -27.9% | -20.1% |
| 2024-05-08 | -0.6% | +59.4% |
Day-one is the close-to-close move around the filing. Nothing here is investment advice.
RIVN's latest 8-K filings: 2026-07-09 (items 8.01, 9.01); 2026-07-06 (items 2.02); 2026-07-02 (items 7.01, 9.01); 2026-06-26 (items 5.07); 2026-05-04 (items 3.02, 9.01).
Item codes are the SEC's own classification of what each report discloses. Nothing here is investment advice.
Last analyzed: June 29, 2026
Each week boothcheck ranks the stocks whose prices are betting on the most. Read the most stretched bets archive →
boothcheck is also on Android. Get the app on Google Play →
For informational and research purposes only. Not investment advice. Not a recommendation to buy, sell, or hold any security. boothcheck is not a registered investment adviser. Past performance does not guarantee future results.