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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 %
BP
426
BNP Paribas
France
– – -15,124 Closed
FRM
427
Fox Run Management
Connecticut
– – -14,392 Closed
Nomura Holdings
428
Nomura Holdings
Japan
– – -14,115 Closed
WAM
429
Weiss Asset Management
Massachusetts
– – -10,075 Closed
Holocene Advisors
430
Holocene Advisors
New York
– – -9,532 Closed
JG
431
Jain Global
New York
– – -9,285 Closed
AIM
432
Aigen Investment Management
New York
– – -8,126 Closed
FHB
433
First Hawaiian Bank
Hawaii
– – -7,830 Closed
QC
434
Quantessence Capital
New York
– – -7,421 Closed
FFM
435
Forum Financial Management
Illinois
– – -7,017 Closed
SC
436
Saturna Capital
Washington
– – -6,681 Closed
VF
437
Virtu Financial
New York
– – -6,032 Closed
Walleye Trading
438
Walleye Trading
New York
– – -5,941 Closed
AWA
439
Arete Wealth Advisors
Illinois
– – -5,578 Closed
SM
440
Sciencast Management
New Jersey
– – -4,939 Closed
PA
441
PharVision Advisers
Florida
– – -4,778 Closed
MF
442
Magnetar Financial
Illinois
– – -4,535 Closed
QCM
443
Qsemble Capital Management
New York
– – -4,141 Closed
GAM
444
Gotham Asset Management
New York
– – -4,092 Closed
ACM
445
Aster Capital Management
United Arab Emirates
– – -1,385 Closed
GM
446
GeoWealth Management
Illinois
– – -1,291 Closed
Credit Agricole
447
Credit Agricole
France
– – -1,175 Closed
MAM
448
Meeder Asset Management
Ohio
– – -1,102 Closed
VHAM
449
Van Hulzen Asset Management
California
– – -1,000 Closed
CFGS
450
Concourse Financial Group Securities
Alabama
– – -795 Closed
15 16 17
18
19