Rambus, Inc.
RMBS institutional ownership changes in Q2 2026: 125 institutions opened or added positions, 123 trimmed or exited. RMBS (Rambus, Inc.) is held by 247 institutional investors as of Q2 2026. Top institutional shareholders: BlackRock, Inc. ($1.9B), FMR LLC ($1.4B), Invesco Ltd. ($880.4M). Institutions were buying, on balance.
Who's Trading
Latest move
Source dates: Price Nov 6, 2026 · Insiders Oct 5, 2026 · Activists Nov 5, 2026 · Congress none
Top Holders
| Action | ||||||
|---|---|---|---|---|---|---|
Decreased | 14M(-14.4%) | $1.9B | 0.0% | +54.74% | 0 | |
Increased | 10.5M(+215.2%) | $1.4B | 0.1% | -37.42% | 51 | |
Increased | 6.6M(+2.0%) | $880.4M | 0.1% | -1.51% | 32 | |
Decreased | 6.1M(-8.7%) | $805.5M | 0.0% | -13.37% | 0 | |
Increased | 4.9M(+1.0%) | $647M | 0.0% | -13.81% | 32 | |
Decreased | 3.9M(-10.5%) | $519.5M | 0.0% | +215.11% | 0 | |
Decreased | 3.3M(-1.3%) | $442.6M | 0.0% | +24.94% | 0 | |
Decreased | 2.3M(-26.5%) | $305.1M | 0.0% | +299.28% | 0 | |
Increased | 2.1M(+14.4%) | $261M | 0.0% | +38.57% | 35 | |
Decreased | 1.7M(-4.2%) | $228.2M | 0.0% | +513.84% | 0 | |
Increased | 1.6M(+5.3%) | $218.6M | 0.2% | +106.43% | 39 | |
Increased | 1.4M(+19.1%) | $191.7M | 0.0% | +1.40% | 36 | |
Increased | 1.3M(+0.7%) | $173.4M | 0.1% | +84.83% | 37 | |
Decreased | 1.2M(-10.5%) | $161.8M | 0.0% | -15.32% | 0 | |
Decreased | 1.2M(-3.1%) | $152.5M | 0.1% | -2.30% | 0 | |
Decreased | 1.1M(-16.4%) | $147.2M | 0.0% | +131.57% | 0 | |
Decreased | 1.1M(-44.2%) | $144.2M | 1.1% | +12.20% | 0 | |
Increased | 984,388(+32.0%) | $130.7M | 0.3% | -32.73% | 46 | |
Increased | 960,878(+4.2%) | $127.5M | 0.0% | -3.34% | 31 | |
Decreased | 949,113(-28.9%) | $126M | 0.0% | +245.38% | 0 |
Showing 1-20 of 257
| Insider | Trade | Traded |
|---|---|---|
| KISSNER CHARLES | Sell $555K | |
| KISSNER CHARLES | Sell $525K | |
| KISSNER CHARLES | Sell $505K | |
| Sayiner Necip | Sell $851K | |
| Higashi Emiko | Sell $790K | |
| Higashi Emiko | Sell $815K | |
| STANG ERIC B | Sell $730K | |
| FAN XIANZHI SEAN | Sell $5.7M | |
| FAN XIANZHI SEAN | Sell $15K | |
| Higashi Emiko | Sell $788K |
| Filer | Stake | Filed |
|---|---|---|
| FMR LLC | 6.6% | |
| BlackRock, Inc. | 10.4% | |
| BlackRock, Inc. | 12.2% | |
| FMR LLC | 10.4% | |
| T. Rowe Price Associates, Inc. | 3.1% | |
| Invesco Ltd. | 6.0% | |
| Vanguard Capital Management | 5.2% | |
| Vanguard Portfolio Management | 6.2% | |
| The Vanguard Group | 0.0% | |
| BlackRock, Inc. | 14.0% |
RMBSRambus, Inc.Continue exploring
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TSMTaiwan Semiconductor Manufacturing Company Ltd.Questions investors ask about RMBS
Who owns RMBS?
247 institutional investors held RMBS on June 30, 2026, led by BlackRock, Inc. ($1.9B), FMR LLC ($1.4B) and Invesco Ltd. ($880.4M).
How many hedge funds hold RMBS?
247 institutional investors reported RMBS in their 13F filings for the quarter ended June 30, 2026, $12.1B in all. 12 of them are rated Elite.
Are institutions buying or selling RMBS?
Buying, on balance. In Q2 2026, 125 institutions opened or added to positions in RMBS and 123 institutions trimmed or exited.
Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer