Rambus Inc

-

Stock Issuer and Owners

Home | Sign Up | Log In
New Features
Latest Fund Raises
Related People
Fund Service Providers
Startup & Company Raises
List of Funds
Boston Firms
Boston Hedge Funds
Cornell Alumni Firms
CalPERS Portfolio
NYSCRF Portfolio
User Guide
Regulatory AUM vs AUM
LP Portfolios
Related Firms
Build a Portfolio
Comprehensive Search
Keyboard
Rambus Inc
TickerRMBS
CIK #0000917273
CUSIP750917106
SectorManufacturing - Semiconductors & Related Devices
Address4440 El Camino Real, Los Altos, CA 94022
Source [EDGAR]
Reg D Offering (Form D) Filed Raised Terms
Rambus Inc 2011-06-07 88.6 M Exemption: 506 · Duration: One year or less · Revenue: Over $100,000,000
CIK Filing 2011 - 2026
[0000917273] 10-K
[0000917273] 10-Q
[0000917273] 3
[0000917273] 4
[0000917273] 5
[0000917273] 8-K
[0000917273] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
FMR LLC Rambus Inc [2026-06-05] 0.0
Invesco Ltd Rambus Inc [2026-05-06] 0.0
Vanguard Capital Management LLC Rambus Inc [2026-04-30] 0.0
Vanguard Portfolio Management LLC Rambus Inc [2026-04-29] 0.0
Price T Rowe Associates Inc /MD/ Rambus Inc [2026-02-17] 0.0
Price T Rowe Associates Inc /MD/ Rambus Inc [2025-02-14] 0.0
BlackRock Inc Rambus Inc [2022-01-26] 15.7
BlackRock Inc Rambus Inc [2021-01-25] 15.7
Dimensional Fund Advisors LP Rambus Inc [2019-02-08] 5.45
Waddell & Reed Financial Inc Rambus Inc [2014-02-07] 4.3
Vanguard Group Inc Rambus Inc [2013-02-13] 5.02
BlackRock Inc Rambus Inc [2013-01-30] 5.34
Form 3/4/5 Filer 2011 - 2026
Rambus Inc
Sayiner Necip
Higashi Emiko
Stang Eric B
Shinn John
Fan Xianzhi Sean
Laub Steven
Gagneja Sumeet
Rao Meera
Allen John K
PENG Victor
Kissner Charles
Seraphin Luc
Lynch Desmond
Rogge Karen M
Mitarotonda James A
Saraf Sanjay
Jones Keith A
Kim Jae
Mathur Rahul
Lang Gregory S
Fisher Ellis Thomas
Shrigley David A
Stark Laura
Black Ronald D
Bentley J Thomas
Herscher Penny
Pilling Martin
Rishi Satish
Scott Martin
Donnelly Kevin
Lavelle Thomas R
Schroeder Michael C
Chou Sunlin
Farmwald Mike
Sofaer Abraham D
Hughes Harold
Holt Sharon E
Pickett Christopher M
Horowitz Mark
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Shinn John
Common Stock
2026-03-10 Sell 4,356 $88.64 386,116
Shinn John
Common Stock
2026-03-10 Sell 200 $89.55 17,910
Shinn John
Common Stock
2026-03-03 Sell 2,254 $92.77 209,104
Shinn John
Common Stock
2026-03-03 Sell 1,603 $94.07 150,794
Shinn John
Common Stock
2026-03-03 Sell 700 $94.89 66,423
Seraphin Luc
Common Stock
2026-03-02 Sell 6,587 $100.20 660,017
Seraphin Luc
Common Stock
2026-03-02 Sell 1,679 $95.83 160,899
Seraphin Luc
Common Stock
2026-03-02 Sell 9,469 $99.17 939,041
PENG Victor
Common Stock
2026-03-02 Grant 168 $0.00
Seraphin Luc
Common Stock
2026-03-02 Sell 7,225 $97.38 703,570
Seraphin Luc
Common Stock
2026-03-02 Sell 13,654 $98.22 1,341,096
Seraphin Luc
Common Stock
2026-03-02 Sell 1,300 $101.65 132,145
Lynch Desmond
Common Stock
2026-02-23 Sell 4,273 $101.53 433,838
Lynch Desmond
Common Stock
2026-02-01 Grant 34,554 $0.00
Fan Xianzhi Sean
Common Stock
2026-02-01 Tax withheld 92,403 $113.71 10,507,145
Shinn John
Common Stock
2026-02-01 Grant 17,276 $0.00
Seraphin Luc
Common Stock
2026-02-01 Tax withheld 92,523 $113.71 10,520,790
Shinn John
Common Stock
2026-02-01 Tax withheld 9,884 $113.71 1,123,910
Seraphin Luc
Common Stock
2026-02-01 Grant 143,744 $0.00
Fan Xianzhi Sean
Common Stock
2026-02-01 Grant 148,802 $0.00
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 554 95,791,608
2025-12-31 555 93,636,644
2025-09-30 520 95,936,042
2025-06-30 461 92,796,169
2025-03-31 418 90,521,328
2024-12-31 399 89,513,972
2024-09-30 381 95,524,493
2024-06-30 369 101,855,764
2024-03-31 380 105,612,195
2023-12-31 403 99,863,600
2023-09-30 351 95,253,009
2023-06-30 398 93,630,574
Form 13F Holdings
Firm Period DFND Voting Shares
Swedbank AB [2026-06-30] DFND 1,646,500 1,646,500
Congress Asset Management Co [2026-06-30] SOLE 750,460 777,993
Y-Intercept Hong Kong Ltd [2026-06-30] SOLE 94,680 94,680
CWA Asset Management Group LLC [2026-06-30] SOLE 41 33,994
Assenagon Asset Management SA [2026-06-30] SOLE 31,896 31,896
Louisiana State Employees Retirement System [2026-06-30] SOLE 31,200 31,200
Yousif Capital Management LLC [2026-06-30] SOLE 8,932 29,858
Commonwealth of Pennsylvania Public School Empls Retrmt SYS [2026-06-30] SOLE 25,888 25,888
Hennion & Walsh Asset Management Inc [2026-06-30] SOLE 24,150 24,150
Tealwood Asset Management Inc [2026-06-30] SOLE 13,551 18,757
Alaska Retirement Management Board [2026-06-30] SOLE 18,482 18,482
Linden Thomas Advisory Services LLC [2026-06-30] SOLE 0 17,580
Envestnet Portfolio Solutions Inc [2026-06-30] SOLE 17,254 17,254
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 313 14,834
First Citizens Bank & Trust Co [2026-06-30] SOLE 14,509 14,509
Global X Japan Co Ltd [2026-06-30] SOLE 11,261 11,261
Empirical Financial Services LLC DBA Empirical Wealth Ma [2026-06-30] SOLE 10,734 11,202
Diversified Trust Co [2026-06-30] SOLE 0 10,865
Redhawk Wealth Advisors Inc [2026-06-30] SOLE 0 9,237
Marshall Financial Group LLC [2026-06-30] SOLE 0 8,583
Sequoia Financial Advisors LLC [2026-06-30] SOLE 0 7,542
Wincap Financial LLC [2026-06-30] SOLE 0 7,170
Independent Financial Group LLC [2026-06-30] SOLE 0 6,816
Crossmark Global Holdings Inc [2026-06-30] SOLE 6,627 6,627
ME Allison & Co Inc [2026-06-30] SOLE 5,897 5,897
Argent Capital Management LLC [2026-06-30] SOLE 5,875 5,875
Kerr Financial Planning Corp [2026-06-30] SOLE 5,850 5,850
Farther Finance Advisors LLC [2026-06-30] SOLE 0 5,423
Rockland Trust Co [2026-06-30] SOLE 4,996 4,996
Portside Wealth Group LLC [2026-06-30] SOLE 0 4,344
Prev | Page 1 | Next
Terms | Privacy | Providers | Companies | Guide
tony@aum13f.com