Rambus Inc. (RMBS) Institutional Ownership & Insider Trading
617 institutions reported holding Rambus Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 35 insider trades on Form 4 since 2025-10-01.
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
RMBSRambus Inc.Follow RMBS — free
—
Price chart with a free account
- Market cap
- 9.3B
- P/E TTM
- 39.3
- Dividend yield
- —
- 52-week
- —
- Next earnings
- 26 Oct, in 2 days
Institutions · all 13F filers
quarter to 30 Jun 2026 · filers in both quarters617 institutions held 92.8% of the shares. Across filers that reported both quarters, shares held changed -3.9%.
Largest moves, shares (millions)
Institutional flow by quarter
net shares added or trimmed, millions · filers in both quarters| Quarter | Holders | Shares held, M | Change | Increased | New | Decreased | Closed |
|---|---|---|---|---|---|---|---|
| Jun 26 | 617 | 101 | -3.9% | 168 | 117 | 218 | 55 |
| Mar 26 | 551 | 103 | +5.3% | 166 | 60 | 187 | 65 |
| Dec 25 | 545 | 100 | -3.3% | 174 | 68 | 168 | 40 |
| Sep 25 | 499 | 101 | +6.3% | 151 | 99 | 145 | 51 |
| Jun 25 | 452 | 97 | -2.1% | 174 | 73 | 114 | 34 |
| Mar 25 | 402 | 94 | +3.8% | 143 | 63 | 114 | 45 |
| Dec 24 | 384 | 95 | -2.6% | 109 | 48 | 135 | 44 |
| Sep 24 | 370 | 92 | -2.8% | 145 | 67 | 94 | 55 |
Rambus Inc. — questions
- Who owns Rambus Inc. stock?
- 617 institutions reported Rambus Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (12.9%), FMR LLC (9.6%), Invesco Ltd. (6.1%).
- Are Rambus Inc. insiders buying or selling?
- 35 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.
Every figure on this page comes from Rambus Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.
How these figures are read: methodology · EquiReason.