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Rambus
RMBS

Overview Fund Activity

449 hedge funds and large institutions have $6.2B invested in Rambus in 2025 Q2 according to their latest regulatory filings, with 86 funds opening new positions, 187 increasing their positions, 128 reducing their positions, and 38 closing their positions.

Holders
449
Holders Change
+42
Holders Change %
+10.32%
% of All Funds
6.03%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
86
Increased
187
Reduced
128
Closed
38
Calls
$24.3M
Puts
$50.4M
Net Calls
-$26.1M
Net Calls Change
-$35.1M

Top Buyers

1
Norges Bank
1
Norges Bank
Norway
$126M
2
EIG
2
EdgePoint Investment Group
Ontario, Canada
$178M
3
BlackRock
3
BlackRock
New York
$960M
4
Assenagon Asset Management
4
Assenagon Asset Management
Luxembourg
$56.4M
5
WHG
5
Westwood Holdings Group
Texas
$111M

Top Sellers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$300M
2
Invesco
2
Invesco
Georgia
$149M
3
American Century Companies
3
American Century Companies
Missouri
$2.11M
4
SG Americas Securities
4
SG Americas Securities
New York
$550K
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$204M
Name Market Value Shares Shares
Change 		Shares
Change %
SSA
451
Schonfeld Strategic Advisors
New York
– – -203,645 Closed
CF
452
Corebridge Financial
Texas
– – -169,347 Closed
EA
453
Ellsworth Advisors
Ohio
– – -74,709 Closed
BCG
454
Barington Capital Group
New York
– – -55,000 Closed
LCG
455
Lisanti Capital Growth
New York
– – -51,925 Closed
ECM
456
ExodusPoint Capital Management
New York
– – -38,249 Closed
WBC
457
Westpac Banking Corp
Australia
– – -26,843 Closed
Renaissance Technologies
458
Renaissance Technologies
New York
– – -22,900 Closed
TI
459
Trexquant Investment
Connecticut
– – -16,810 Closed
Twin Tree Management
460
Twin Tree Management
Texas
– – -16,172 Closed
LCM
461
Legato Capital Management
California
– – -11,575 Closed
KPF
462
K2 Principal Fund
Ontario, Canada
– – -11,520 Closed
PI
463
PineBridge Investments
New York
– – -10,601 Closed
IC
464
IEQ Capital
California
– – -10,485 Closed
USAA
465
United Services Automobile Association
Texas
– – -7,171 Closed
ET
466
Equitable Trust
Tennessee
– – -6,870 Closed
EC
467
EntryPoint Capital
New York
– – -6,558 Closed
OAM
468
Oppenheimer Asset Management
New York
– – -5,762 Closed
FFG
469
Fiduciary Financial Group
California
– – -5,498 Closed
SGI
470
Summit Global Investments
Utah
– – -5,005 Closed
Allianz Asset Management
471
Allianz Asset Management
Germany
– – -4,700 Closed
SCA
472
Snowden Capital Advisors
New York
– – -4,341 Closed
OTPPB
473
Ontario Teachers' Pension Plan Board
Ontario, Canada
– – -4,135 Closed
JFG
474
Jefferies Financial Group
New York
– – -4,028 Closed
HT
475
Headlands Technologies
Illinois
– – -2,160 Closed
16 17 18
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