Rambus
RMBS · NASDAQ
$92.48−$0.18 (−0.19%)TodayMarket closed ·
Prev close $92.66
Who owns RMBS
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 46.7% of RMBS’s shares.
- BlackRock Institutional Trust Company, N.A.11.7%
- Fidelity Management & Research Company LLC7.7%
- Vanguard Portfolio Management, LLC5.6%
- Invesco Advisers, Inc.5.2%
- Next 6 largest institutions16.5%
- All other shareholders53.3%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 12.67M | 11.68% |
| Fidelity Management & Research Company LLC | 8.33M | 7.68% |
| Vanguard Portfolio Management, LLC | 6.07M | 5.60% |
| Invesco Advisers, Inc. | 5.63M | 5.19% |
| Vanguard Capital Management, LLC | 4.87M | 4.49% |
| State Street Investment Management (US) | 3.92M | 3.61% |
| T. Rowe Price Associates, Inc. | 3.20M | 2.95% |
| Geode Capital Management, L.L.C. | 2.30M | 2.12% |
| Fidelity Institutional Asset Management | 1.94M | 1.79% |
| Dimensional Fund Advisors, L.P. | 1.72M | 1.59% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.79M | 3.49% |
| Vanguard Total Stock Market Index Fund | 3.44M | 3.17% |
| Invesco Small Cap Value Fund | 3.05M | 2.81% |
| iShares Semiconductor ETF | 2.51M | 2.32% |
| Invesco Value Opportunities Fund | 2.50M | 2.30% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $13.37M (14 trades) of RMBS on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| KISSNER CHARLES | Sale | 5.00K | $555.00K |
| KISSNER CHARLES | Sale | 5.00K | $525.00K |
| KISSNER CHARLES | Sale | 5.00K | $504.60K |
| Sayiner Necip | Sale | 5.00K | $850.75K |
| Higashi Emiko | Sale | 5.00K | $790.00K |
| Higashi Emiko | Sale | 5.00K | $815.00K |
| STANG ERIC B | Sale | 5.00K | $730.00K |
| Higashi Emiko | Sale | 5.00K | $787.85K |
| FAN XIANZHI SEAN | Sale | 100 | $15.24K |
| FAN XIANZHI SEAN | Sale | 37.81K | $5.74M |
Short interest
Settled Sep 30, 2026
- Shares short
- 4.78M
- Days to cover
- 1.45
- % of shares outstanding
- 4.41%
- Average daily volume
- 3.30M
- Change since last report
- −23.1%
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