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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 %
ACM
26
Analog Century Management
New York
$35.2M 680,113 -145,175 -18%
Goldman Sachs
27
Goldman Sachs
New York
$34.8M 672,978 -375,862 -36%
PWAM
28
Park West Asset Management
California
$30.5M 589,150 +589,150 New
VNIM
29
Vaughan Nelson Investment Management
Texas
$29.1M 562,813 -172,975 -24%
EA
30
Emerald Advisers
Pennsylvania
$27.5M 530,702 -13,127 -2%
SAM
31
Silvercrest Asset Management
New York
$26.6M 513,928 -2,205 -0.4%
OAM
32
Oberweis Asset Management
Illinois
$26.3M 507,350 +97,950 +24%
Principal Financial Group
33
Principal Financial Group
Iowa
$26.2M 506,713 +176,579 +53%
SG Americas Securities
34
SG Americas Securities
New York
$25.4M 490,547 -61,626 -11%
PAM
35
Panagora Asset Management
Massachusetts
$23.8M 460,438 +22,759 +5%
WCM Investment Management
36
WCM Investment Management
California
$20.9M 388,655 +2,128 +0.6%
Bank of America
37
Bank of America
North Carolina
$20.5M 396,717 -18,600 -4%
SIC
38
Schwartz Investment Counsel
Michigan
$19.7M 380,337 +380,337 New
Franklin Resources
39
Franklin Resources
California
$19.4M 374,380 -31,883 -8%
MIM
40
MetLife Investment Management
New Jersey
$18.7M 360,635 +238,340 +195%
New York State Common Retirement Fund
41
New York State Common Retirement Fund
New York
$18.2M 352,312 +169,852 +93%
Jane Street
42
Jane Street
New York
$18M 348,291 +123,670 +55%
Lord, Abbett & Co
43
Lord, Abbett & Co
New Jersey
$17.7M 341,986 +341,986 New
SEI Investments
44
SEI Investments
Pennsylvania
$17.5M 337,225 +31,153 +10%
RhumbLine Advisers
45
RhumbLine Advisers
Massachusetts
$17.2M 333,069 +1,103 +0.3%
Two Sigma Investments
46
Two Sigma Investments
New York
$16.2M 313,174 -216,800 -41%
UBS AM
47
UBS AM
Illinois
$16M 309,512 +19,120 +7%
EMFAT
48
Emerald Mutual Fund Advisers Trust
Pennsylvania
$15.8M 306,106 -50,852 -14%
GT
49
Glenmede Trust
Pennsylvania
$15.6M 301,612 -8,130 -3%
Two Sigma Advisers
50
Two Sigma Advisers
New York
$15.2M 293,800 -141,500 -33%
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