Rambus Inc RMBS
We take great care to ensure that the data presented and summarized in this overview for RAMBUS INC is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding RMBS
View all-
Black Rock Inc. New York, NY15.8MShares$1.5 Billion0.02% of portfolio
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Vanguard Group Inc Valley Forge, PA12.7MShares$1.21 Billion0.02% of portfolio
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Price T Rowe Associates Inc Baltimore, MD5.25MShares$500 Million0.06% of portfolio
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State Street Corp Boston, MA4.39MShares$418 Million0.02% of portfolio
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Geode Capital Management, LLC Boston, MA2.75MShares$262 Million0.02% of portfolio
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Edge Point Investment Group Inc. Toronto, A62.68MShares$256 Million2.51% of portfolio
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Jpmorgan Chase & CO New York, NY2.56MShares$244 Million0.02% of portfolio
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Invesco Ltd. Atlanta, GA2.43MShares$232 Million0.04% of portfolio
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Dimensional Fund Advisors LP Austin, TX1.93MShares$184 Million0.04% of portfolio
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Alliancebernstein L.P. New York, NY1.82MShares$174 Million0.06% of portfolio
Latest Institutional Activity in RMBS
Top Purchases
Top Sells
About RMBS
Rambus Inc. provides semiconductor products in the United States, Taiwan, South Korea, Japan, Europe, Canada, Singapore, China, and internationally. The company offers DDR memory interface chips, including DDR5, DDR4 and DDR3 memory interface chips to module manufacturers and OEMs; silicon IP comprising, interface and security IP solutions that move and protect data in advanced applications; and physical interface and digital controller IP to offer industry-leading, integrated memory and interconnect subsystems. It also provides a portfolio of patents that covers memory architecture, high-speed serial links, and security products. The company markets its products and services through its direct sales force and distributors. Rambus Inc. was incorporated in 1990 and is headquartered in San Jose, California.
Insider Transactions at RMBS
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Nov 21
2025
|
Xianzhi Sean Fan EVP, COO |
SELL
Bona fide gift
|
Direct |
300
-0.22%
|
-
|
|
Nov 19
2025
|
Xianzhi Sean Fan EVP, COO |
SELL
Bona fide gift
|
Direct |
300
-0.22%
|
-
|
|
Nov 10
2025
|
Eric B Stang |
SELL
Open market or private sale
|
Indirect |
4,000
-16.4%
|
$444,000
$111.78 P/Share
|
|
Nov 07
2025
|
Eric B Stang |
SELL
Open market or private sale
|
Indirect |
5,000
-17.01%
|
$510,000
$102.35 P/Share
|
|
Oct 06
2025
|
Desmond Lynch SVP, CFO |
SELL
Open market or private sale
|
Direct |
9,074
-7.3%
|
$916,474
$101.58 P/Share
|
|
Oct 01
2025
|
Meera Rao |
SELL
Open market or private sale
|
Direct |
653
-2.18%
|
$65,953
$101.99 P/Share
|
|
Sep 15
2025
|
Desmond Lynch SVP, CFO |
SELL
Open market or private sale
|
Direct |
9,074
-12.34%
|
$825,734
$91.7 P/Share
|
|
Sep 11
2025
|
Necip Sayiner |
SELL
Open market or private sale
|
Direct |
7,500
-19.57%
|
$637,500
$85.63 P/Share
|
|
Sep 02
2025
|
Meera Rao |
SELL
Open market or private sale
|
Direct |
3,000
-9.11%
|
$213,000
$71.72 P/Share
|
|
Sep 01
2025
|
Desmond Lynch SVP, CFO |
SELL
Payment of exercise price or tax liability
|
Direct |
2,725
-3.57%
|
$198,925
$73.48 P/Share
|
|
Aug 29
2025
|
Steven Laub |
SELL
Open market or private sale
|
Direct |
2,261
-24.96%
|
$176,358
$78.72 P/Share
|
|
Aug 13
2025
|
Emiko Higashi |
SELL
Open market or private sale
|
Direct |
1,075
-1.7%
|
$82,775
$77.75 P/Share
|
|
Aug 08
2025
|
Necip Sayiner |
SELL
Open market or private sale
|
Direct |
7,500
-16.37%
|
$547,500
$73.53 P/Share
|
|
Aug 04
2025
|
Emiko Higashi |
SELL
Open market or private sale
|
Direct |
1,111
-1.72%
|
$83,325
$75.0 P/Share
|
|
Aug 04
2025
|
John Shinn SVP, General Counsel |
SELL
Open market or private sale
|
Direct |
790
-3.77%
|
$58,460
$74.61 P/Share
|
|
May 27
2025
|
Steven Laub |
SELL
Open market or private sale
|
Direct |
1,847
-16.94%
|
$101,585
$55.12 P/Share
|
|
May 19
2025
|
Steven Laub |
SELL
Open market or private sale
|
Direct |
3,653
-25.09%
|
$200,915
$55.56 P/Share
|
|
May 09
2025
|
Eric B Stang |
SELL
Open market or private sale
|
Indirect |
3,653
-11.05%
|
$186,303
$51.13 P/Share
|
|
May 05
2025
|
Desmond Lynch SVP, CFO |
SELL
Open market or private sale
|
Direct |
3,118
-3.95%
|
$155,900
$50.31 P/Share
|
|
Apr 23
2025
|
Luc Seraphin President and CEO |
SELL
Open market or private sale
|
Direct |
6,348
-1.95%
|
$292,008
$46.97 P/Share
|
Last 12 Months Summary
| Grant, award, or other acquisition | 520K shares |
|---|
| Open market or private sale | 205K shares |
|---|---|
| Payment of exercise price or tax liability | 259K shares |
| Bona fide gift | 600 shares |