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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 %
DAS
201
Diversify Advisory Services
Utah
$1.09M 14,284 +1,607 +13%
Envestnet Portfolio Solutions
202
Envestnet Portfolio Solutions
Illinois
$1.08M 16,947 +11,342 +202%
GC
203
Guggenheim Capital
Illinois
$1.07M 16,778 -907 -5%
Kovitz Investment Group Partners
204
Kovitz Investment Group Partners
Illinois
$1.07M 16,719 +146 +0.9%
QCM
205
Quantinno Capital Management
New York
$1.06M 16,527 +1,503 +10%
Carson Wealth (CWM LLC)
206
Carson Wealth (CWM LLC)
Nebraska
$1.04M 16,267 +3,026 +23%
FRM
207
Fox Run Management
Connecticut
$1.03M 16,033 +16,033 New
TRCT
208
Tower Research Capital (TRC)
New York
$999K 15,601 +8,902 +133%
X
209
Xponance
Pennsylvania
$990K 15,468 -35 -0.2%
PNC Financial Services Group
210
PNC Financial Services Group
Pennsylvania
$968K 15,126 -43 -0.3%
EP
211
Edgestream Partners
New Jersey
$952K 14,876 +5,872 +65%
QCG
212
Quadrant Capital Group
Ohio
$946K 14,780 -51 -0.3%
CCIA
213
Campbell & Co Investment Adviser
Maryland
$915K 14,285 +14,285 New
Bank of Montreal
214
Bank of Montreal
Ontario, Canada
$896K 13,998 -1,695 -11%
GWM
215
Gibbs Wealth Management
Georgia
$891K 13,925 +13,925 New
YIH
216
Y-Intercept (HK)
Hong Kong
$879K 13,734 +3,676 +37%
FCBT
217
First Citizens Bank & Trust
North Carolina
$870K 13,591 +9,718 +251%
US Bancorp
218
US Bancorp
Minnesota
$863K 13,482 +4,821 +56%
Caisse de Depot et Placement du Quebec (CDPQ)
219
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$857K 13,379 +13,379 New
CWM
220
CIBC World Markets
New York
$852K 13,304 -10,406 -44%
Cambridge Investment Research Advisors
221
Cambridge Investment Research Advisors
Iowa
$839K 13,102 +6,105 +87%
VRS
222
Virginia Retirement Systems
Virginia
$830K 12,960 -2,500 -16%
BWM
223
BNC Wealth Management
Oregon
$805K 12,568 – –
AWAU
224
Alliance Wealth Advisors (Utah)
Utah
$780K 12,181 +211 +2%
SOADOR
225
State of Alaska Department of Revenue
Alaska
$773K 12,075 -415 -3%
7 8
9
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