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Rambus
RMBS

Overview Fund Activity

407 hedge funds and large institutions have $5.04B invested in Rambus in 2025 Q1 according to their latest regulatory filings, with 78 funds opening new positions, 156 increasing their positions, 129 reducing their positions, and 55 closing their positions.

Holders
407
Holders Change
+17
Holders Change %
+4.36%
% of All Funds
5.53%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.03%
New
78
Increased
156
Reduced
129
Closed
55
Calls
$31M
Puts
$22M
Net Calls
+$9.02M
Net Calls Change
+$11.5M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$453M
2
EIG
2
EdgePoint Investment Group
Ontario, Canada
$60.5M
3
NL
3
Nuveen LLC
North Carolina
$57.1M
4
HRCM
4
Hood River Capital Management
Florida
$48.9M
5
PWAM
5
Park West Asset Management
California
$30.5M

Top Sellers

1
Norges Bank
1
Norges Bank
Norway
$0
2
Assenagon Asset Management
2
Assenagon Asset Management
Luxembourg
$9.26M
3
JPMorgan Chase & Co
3
JPMorgan Chase & Co
New York
$189M
4
Invesco
4
Invesco
Georgia
$235M
5
CM
5
Crestline Management
Texas
$0
Name Market Value Shares Shares
Change 		Shares
Change %
OCM
51
Osterweis Capital Management
California
$14.8M 286,305 +109,560 +62%
SBH
52
Segall Bryant & Hamill
Illinois
$14.8M 285,762 +124,721 +77%
Ameriprise
53
Ameriprise
Minnesota
$14.5M 280,065 +30,935 +12%
Prudential Financial
54
Prudential Financial
New Jersey
$13.3M 257,256 -31,985 -11%
Macquarie Group
55
Macquarie Group
Australia
$13.2M 255,480 +15,912 +7%
PCM
56
Penn Capital Management
Pennsylvania
$12.8M 246,829 +31,966 +15%
PCM
57
PenderFund Capital Management
British Columbia, Canada
$12.7M 299 +169 +130%
Qube Research & Technologies (QRT)
58
Qube Research & Technologies (QRT)
United Kingdom
$12.7M 244,888 +63,767 +35%
Millennium Management
59
Millennium Management
New York
$12.2M 236,095 -358,960 -60%
AQR Capital Management
60
AQR Capital Management
Connecticut
$12.2M 239,630 -80,101 -25%
Legal & General Group
61
Legal & General Group
United Kingdom
$11.9M 229,927 -3,909 -2%
SC
62
SummitTX Capital
Texas
$11.8M 228,164 +228,164 New
AllianceBernstein
63
AllianceBernstein
Tennessee
$11.8M 227,798 -5,838 -2%
Swiss National Bank
64
Swiss National Bank
Switzerland
$10.7M 206,400 -5,400 -3%
SSA
65
Schonfeld Strategic Advisors
New York
$10.5M 203,645 +203,645 New
Royal Bank of Canada
66
Royal Bank of Canada
Ontario, Canada
$10.4M 201,722 -42,154 -17%
Janus Henderson Group
67
Janus Henderson Group
United Kingdom
$10.2M 190,318 -152,862 -45%
SIMG
68
Stephens Investment Management Group
Texas
$10M 193,661 +2,804 +1%
HighTower Advisors
69
HighTower Advisors
Illinois
$10M 193,544 -43,673 -18%
Deutsche Bank
70
Deutsche Bank
Germany
$9.98M 192,826 +53,824 +39%
Mirae Asset Global ETFs Holdings
71
Mirae Asset Global ETFs Holdings
Hong Kong
$9.47M 182,940 +17,282 +10%
CWM
72
Congress Wealth Management
Massachusetts
$9.46M 182,656 +61,923 +51%
Barclays
73
Barclays
United Kingdom
$9.34M 180,435 -83,018 -32%
RA
74
Royce & Associates
New York
$9.31M 179,907 +59,772 +50%
Assenagon Asset Management
75
Assenagon Asset Management
Luxembourg
$9.26M 178,858 -581,356 -76%
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