Institutional Ownership Rambus Inc (RMBS)
This table provides information about the institutional ownership of Rambus Inc (RMBS). We have compiled data on the 575 institutions that hold shares in the stock, with a total of 99.2 Million shares, which have been reported (via 13F filing form) to have a value of $9.45 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Wellington Management Group LLP
Boston, MA |
Nov 14, 2025 Q3 2025 |
750,446
shares
|
$71.5 Million
0.01% of portfolio
|
Q3 2025
Reduced 37.81%
|
|
|
Lord, Abbett & Co. LLC
Jersey City, NJ |
Nov 13, 2025 Q3 2025 |
746,676
shares
|
$71.1 Million
0.23% of portfolio
|
Q3 2025
Added 134.57%
|
|
|
T. Rowe Price Investment Management, Inc.
Baltimore, MD |
Nov 14, 2025 Q3 2025 |
729,047
shares
|
$69.4 Million
0.05% of portfolio
|
Q3 2025
Added 132.96%
|
|
|
Eagle Asset Management Inc
St Petersburg, FL |
Nov 12, 2024 Q3 2024 |
722,773
shares
|
$68.8 Million
0.18% of portfolio
|
Q3 2024
Added 1.0%
|
|
|
Emerald Advisers, LLC
|
Oct 30, 2025 Q3 2025 |
637,754
shares
|
$60.7 Million
2.28% of portfolio
|
Q3 2025
Reduced 10.19%
|
|
|
Analog Century Management LP
New York, NY |
Nov 14, 2025 Q3 2025 |
631,343
shares
|
$60.1 Million
3.55% of portfolio
|
Q3 2025
Reduced 23.67%
|
|
|
Loomis Sayles & CO L P
|
Nov 13, 2025 Q3 2025 |
610,153
shares
|
$58.1 Million
0.08% of portfolio
|
Q3 2025
Added 177.06%
|
|
|
Ubs Group Ag
|
Nov 13, 2025 Q3 2025 |
565,805
shares
|
$53.9 Million
0.01% of portfolio
|
Q3 2025
Added 302.88%
|
|
|
Aqr Capital Management LLC
Greenwich, CT |
Nov 14, 2025 Q3 2025 |
547,604
shares
|
$52.2 Million
0.04% of portfolio
|
Q3 2025
Reduced 21.97%
|
|
|
Oberweis Asset Management Inc
Lisle, IL |
Nov 17, 2025 Q3 2025 |
507,899
shares
|
$48.4 Million
2.21% of portfolio
|
Q3 2025
Added 0.42%
|
|
|
Allspring Global Investments Holdings, LLC
|
Oct 20, 2025 Q3 2025 |
495,453
shares
|
$47.2 Million
0.09% of portfolio
|
Q3 2025
Added 626.94%
|
|
|
Westfield Capital Management CO LP
Boston, MA |
Nov 10, 2025 Q3 2025 |
484,465
shares
|
$46.1 Million
0.23% of portfolio
|
Q3 2025
Reduced 55.52%
|
|
|
Principal Financial Group Inc
Des Moines, IA |
Nov 04, 2025 Q3 2025 |
472,974
shares
|
$45.1 Million
0.03% of portfolio
|
Q3 2025
Reduced 8.34%
|
|
|
Franklin Resources Inc
San Mateo, CA |
Nov 13, 2025 Q3 2025 |
472,349
shares
|
$45 Million
0.01% of portfolio
|
Q3 2025
Added 10.38%
|
|
|
Silvercrest Asset Management Group LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
464,889
shares
|
$44.3 Million
0.33% of portfolio
|
Q3 2025
Reduced 3.24%
|
|
|
Ameriprise Financial Inc
Minneapolis, MN |
Nov 14, 2025 Q3 2025 |
460,104
shares
|
$43.8 Million
0.01% of portfolio
|
Q3 2025
Added 82.64%
|
|
|
Panagora Asset Management Inc
Boston, MA |
Nov 13, 2025 Q3 2025 |
438,117
shares
|
$41.7 Million
0.19% of portfolio
|
Q3 2025
Reduced 8.22%
|
|
|
Putnam Investments LLC
Boston, MA |
Feb 14, 2024 Q4 2023 |
400,704
shares
|
$38.2 Million
0.04% of portfolio
|
Q4 2023
Added 4.98%
|
|
|
Emerald Mutual Fund Advisers Trust
|
Oct 30, 2025 Q3 2025 |
391,215
shares
|
$37.3 Million
2.33% of portfolio
|
Q3 2025
Reduced 5.99%
|
|
|
Janus Henderson Group PLC
London, X0 |
Nov 14, 2025 Q3 2025 |
384,004
shares
|
$36.6 Million
0.02% of portfolio
|
Q3 2025
Added 79.94%
|
|
|
Caisse De Depot Et Placement Du Quebec
Montreal, A8 |
Nov 14, 2025 Q3 2025 |
380,604
shares
|
$36.3 Million
0.07% of portfolio
|
Q3 2025
Added 2744.79%
|
|
|
Citigroup Inc
|
Nov 10, 2025 Q3 2025 |
370,341
shares
|
$35.3 Million
0.02% of portfolio
|
Q3 2025
Added 146.67%
|
|
|
Rhumbline Advisers
Boston, MA |
Nov 06, 2025 Q3 2025 |
344,387
shares
|
$32.8 Million
0.03% of portfolio
|
Q3 2025
Reduced 2.17%
|
|
|
Glenmede Trust CO Na
Philadelphia, PA |
May 15, 2025 Q1 2025 |
301,612
shares
|
$28.7 Million
0.09% of portfolio
|
Q1 2025
Reduced 2.62%
|
|
|
Lazard Asset Management LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
298,928
shares
|
$28.5 Million
0.04% of portfolio
|
Q3 2025
Added 39.4%
|
|