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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 %
ATPW
326
Ashton Thomas Private Wealth
Arizona
$207K 3,237 +3,237 New
NIWA
327
New Insight Wealth Advisors
California
$207K 3,236 +3,236 New
Capstone Investment Advisors
328
Capstone Investment Advisors
New York
$204K 3,194 +3,194 New
CA
329
Clearstead Advisors
Ohio
$199K 3,104 +910 +41%
KBC Group
330
KBC Group
Belgium
$189K 2,959 -1,806 -38%
SAM
331
Smartleaf Asset Management
Massachusetts
$170K 2,658 +2,237 +531%
GRP
332
Global Retirement Partners
California
$123K 1,926 +1,926 New
PA
333
Parallel Advisors
California
$120K 1,880 +251 +15%
NCM
334
Northwest Capital Management
Oregon
$109K 1,700 -300 -15%
SFFS
335
Stonehage Fleming Financial Services
Jersey
$105K 1,634 +1,634 New
QT
336
Quantbot Technologies
New York
$102K 1,592 +1,592 New
HI
337
Harbour Investments
Wisconsin
$97.4K 1,522 – –
Walleye Capital
338
Walleye Capital
New York
$96.9K 1,513 +560 +59%
Fifth Third Bancorp
339
Fifth Third Bancorp
Ohio
$95.8K 1,497 +79 +6%
BC
340
Bayforest Capital
United Kingdom
$94.9K 1,483 +1,227 +479%
AF
341
Allworth Financial
California
$94.8K 1,480 +1,013 +217%
BTI
342
Blue Trust Inc
Georgia
$91.3K 1,426 +130 +10%
VCM
343
Versant Capital Management
Arizona
$83.5K 1,304 -203 -13%
S
344
SignatureFD
Georgia
$82.5K 1,288 +166 +15%
MCM
345
MAI Capital Management
Ohio
$81.8K 1,277 +36 +3%
Jones Financial Companies
346
Jones Financial Companies
Missouri
$81.1K 1,267 +15 +1%
UB
347
UMB Bank
Missouri
$75.9K 1,185 -48 -4%
NS
348
NBC Securities
Alabama
$75K 1,187 -8,039 -87%
BNP Paribas Asset Management
349
BNP Paribas Asset Management
France
$70K 1,089 +1,089 New
BIG
350
Brooklyn Investment Group
New York
$67.3K 1,051 +78 +8%
12 13
14
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