Rambus Ownership | Who Owns Rambus?
Rambus Ownership Summary
Rambus is owned by 82.86% institutional investors, 1.70% insiders, and 15.43% retail investors. Blackrock is the largest institutional shareholder, holding 14.60% of RMBS shares. iShares Core S&P Mid-Cap ETF is the top mutual fund, with 3.24% of its assets in Rambus shares.
RMBS Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Rambus | 82.86% | 1.70% | 15.43% |
| Sector | Technology Stocks | 44.47% | 12.07% | 43.46% |
| Idea | Semiconductor Stocks List | 50.50% | 7.23% | 42.27% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 15.79M | 14.60% | $927.60M |
| Blackrock funding, inc. /de | 14.14M | 13.19% | $747.39M |
| Vanguard group | 12.59M | 11.75% | $665.77M |
| Price t rowe associates inc /md/ | 5.45M | 5.08% | $288.04M |
| Invesco | 5.00M | 4.66% | $264.29M |
| State street | 4.65M | 4.31% | $273.49M |
| Jpmorgan chase | 4.18M | 3.90% | $221.19M |
| Geode capital management | 2.58M | 2.40% | $136.26M |
| Bank of new york mellon | 2.10M | 1.95% | $110.79M |
| Norges bank | 1.79M | 1.66% | $94.37M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Barington capital group | 120.00K | 5.78% | $6.34M |
| Analog century management lp | 825.29K | 2.92% | $43.62M |
| Mesirow institutional investment management | 298.17K | 1.21% | $15.76M |
| Emerald mutual fund advisers trust | 356.96K | 1.15% | $18.87M |
| Yorktown management & research | 17.80K | 1.12% | $1.05M |
| Penn capital management company | 214.86K | 1.11% | $11.36M |
| Emerald advisers | 543.83K | 1.11% | $28.75M |
| Oberweis asset management inc/ | 409.40K | 1.02% | $21.64M |
| Crestline management, lp | 410.11K | 0.72% | $21.68M |
| Westwood group | 1.13M | 0.46% | $59.62M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Price t rowe associates inc /md/ | 5.45M | 0.03% | 4.45M |
| Invesco | 5.00M | 0.05% | 2.09M |
| Norges bank | 1.79M | 0.01% | 1.79M |
| Raymond james financial | 974.28K | 0.02% | 974.28K |
| Congress asset management co /ma | 866.03K | 0.31% | 866.03K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Hood river capital management | - | - | -2.17M |
| Rafferty asset management | - | - | -871.31K |
| Cubist systematic strategies | 32.75K | 0.01% | -781.81K |
| Vaughan nelson investment management | 735.79K | 0.36% | -727.14K |
| Voloridge investment management | - | - | -551.77K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 1.79M | 0.01% | 1.79M | $94.37M |
| Raymond james financial | 974.28K | 0.02% | 974.28K | $51.50M |
| Congress asset management co /ma | 866.03K | 0.31% | 866.03K | $45.78M |
| Analog century management lp | 825.29K | 2.92% | 825.29K | $43.62M |
| Oberweis asset management inc/ | 409.40K | 1.02% | 409.40K | $21.64M |
Sold Out
| Holder | Change |
|---|---|
| Tfc financial management | -1.00 |
| Albion financial group /ut | -3.00 |
| Claris advisors, llc / mo / | -3.00 |
| Tfo-tdc | -4.00 |
| Sound income strategies | -6.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2024 | 372 | -5.34% | 88,859,921 | -3.13% | 82 | 1.13% | 183 | -21.46% | 134 | 25.23% |
| Sep 30, 2024 | 388 | 1.84% | 91,556,118 | -4.70% | 85 | 1.07% | 230 | 31.43% | 106 | -30.26% |
| Jun 30, 2024 | 377 | -5.04% | 96,039,948 | -0.00% | 88 | 1.13% | 173 | -17.62% | 150 | 14.50% |
| Mar 31, 2024 | 397 | -5.70% | 96,040,379 | -0.06% | 88 | 1.12% | 210 | 3.45% | 131 | -14.38% |
| Dec 31, 2023 | 421 | 13.48% | 96,096,119 | -1.31% | 89 | 1.10% | 203 | 7.98% | 153 | 29.66% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.48M | 3.24% | 6.11K |
| Vanguard US Total Market Shares ETF | 3.41M | 3.19% | 2.52K |
| Vanguard Total Stock Mkt Idx Inv | 3.35M | 3.12% | 10.28K |
| iShares Russell 2000 ETF | 2.82M | 2.62% | -24.42K |
| T. Rowe Price Integrated US SmCapGrEq | 2.77M | 2.60% | 2.04M |
| Invesco Small Cap Value A | 2.75M | 2.56% | - |
| Vanguard Small Cap Index | 2.72M | 2.53% | 2.25K |
| Invesco Value Opportunities A | 1.75M | 1.63% | - |
| Vanguard Information Technology ETF | 1.74M | 1.62% | -171.75K |
| Vanguard Institutional Extnd Mkt Idx Tr | 1.62M | 1.51% | 4.37K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Apr 08, 2025 | Seraphin Luc | President and CEO | Sell | $468.10K |
| Apr 01, 2025 | Seraphin Luc | President and CEO | Sell | $508.81K |
| Mar 25, 2025 | Seraphin Luc | President and CEO | Sell | $586.41K |
| Mar 21, 2025 | Shinn John | SVP, General Counsel | Sell | $425.30K |
| Mar 18, 2025 | Seraphin Luc | President and CEO | Sell | $537.89K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | - | 2 |
| 2025 Q1 | - | 7 |
| 2024 Q4 | - | 2 |
| 2024 Q3 | - | - |
| 2024 Q2 | - | 8 |
RMBS Ownership FAQ
Try Tickergate Pro Free
Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)
Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis
Discover trending investment themes
Find your next best investment
Research stocks using tools