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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 %
XT
301
XTX Topco
Cayman Islands
$286K 4,471 -31,104 -87%
GI
302
GAMMA Investing
California
$284K 4,431 -142 -3%
Nisa Investment Advisors
303
Nisa Investment Advisors
Missouri
$272K 4,243 +314 +8%
Mitsubishi UFJ Trust & Banking
304
Mitsubishi UFJ Trust & Banking
Japan
$264K 4,131 – –
CCAL
305
City Center Advisors LLC
Michigan
$263K 4,110 +4,110 New
ZIC
306
ZWJ Investment Counsel
Georgia
$263K 4,102 +4,102 New
MFG
307
Merit Financial Group
Georgia
$262K 4,085 +4,085 New
EI
308
Ethic Inc
New York
$258K 4,036 +4,036 New
Bank Julius Baer & Co
309
Bank Julius Baer & Co
Switzerland
$258K 4,029 -216 -5%
NSEDCP
310
NJ State Employees Deferred Compensation Plan
New Jersey
$256K 4,000 – –
Focus Partners Wealth
311
Focus Partners Wealth
Massachusetts
$253K 3,955 +3,955 New
SCM
312
Shelton Capital Management
Colorado
$250K 3,904 -208 -5%
OC
313
Oarsman Capital
Wisconsin
$250K 3,900 +3,900 New
MIA
314
MeadowBrook Investment Advisors
Michigan
$242K 3,780 -120 -3%
MAS
315
Meeder Advisory Services
Ohio
$238K 3,717 +3,717 New
AC
316
AXQ Capital
New Jersey
$236K 3,694 +3,694 New
CFO
317
Callan Family Office
Pennsylvania
$233K 3,642 +3,642 New
SI
318
Stephens Inc
Arkansas
$226K 3,530 -8,162 -70%
PSP
319
Principal Street Partners
Tennessee
$223K 3,488 +3,488 New
JSW
320
Journey Strategic Wealth
New Jersey
$220K 3,439 +3,439 New
FFM
321
Forum Financial Management
Illinois
$220K 3,430 +3,430 New
CIBC Asset Management
322
CIBC Asset Management
Ontario, Canada
$218K 3,410 +3,410 New
HWA
323
HHM Wealth Advisors
Tennessee
$215K 3,364 -165 -5%
OSAM
324
O'Shaughnessy Asset Management
Connecticut
$213K 3,334 +3,334 New
FTWA
325
Fifth Third Wealth Advisors
Ohio
$211K 3,296 +3,296 New
11 12
13
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