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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 %
NCM
301
Northwest Capital Management
Oregon
$104K 2,000 – –
Skandinaviska Enskilda Banken (SEB)
302
Skandinaviska Enskilda Banken (SEB)
Sweden
$96.2K 1,857 +1,148 +162%
PA
303
Parallel Advisors
California
$84.3K 1,629 +414 +34%
HI
304
Harbour Investments
Wisconsin
$78.8K 1,522 +1,502 +7,510%
VCM
305
Versant Capital Management
Arizona
$78K 1,507 +799 +113%
Fifth Third Bancorp
306
Fifth Third Bancorp
Ohio
$73.4K 1,418 +282 +25%
Jones Financial Companies
307
Jones Financial Companies
Missouri
$67.2K 1,252 +177 +16%
BTI
308
Blue Trust Inc
Georgia
$67.1K 1,296 -156 -11%
MCM
309
MAI Capital Management
Ohio
$64.3K 1,241 -84 -6%
UB
310
UMB Bank
Missouri
$63.8K 1,233 +696 +130%
FFA
311
Farther Finance Advisors
California
$63K 1,204 +78 +7%
S
312
SignatureFD
Georgia
$58.1K 1,122 +185 +20%
Optiver Holding
313
Optiver Holding
Netherlands
$56.7K 1,096 +320 +41%
SOW
314
State of Wyoming
Wyoming
$55.5K 1,071 +1,071 New
BIG
315
Brooklyn Investment Group
New York
$50.4K 973 +968 +19,360%
Walleye Capital
316
Walleye Capital
New York
$49.3K 953 +319 +50%
LFG
317
Larson Financial Group
Missouri
$44.4K 857 +794 +1,260%
ME
318
McIlrath & Eck
Washington
$41.6K 804 +804 New
OCM
319
Orion Capital Management
California
$36.4K 703 – –
A
320
AlphaQuest
New York
$33.6K 648 -7,574 -92%
VSQM
321
V-Square Quantitative Management
Illinois
$26.3K 508 – –
TFGT
322
TS Financial Group (TSFG)
Illinois
$26K 496 +496 New
BCWM
323
Bartlett & Co Wealth Management
Ohio
$25.9K 500 – –
MCA
324
Maryland Capital Advisors
Maryland
$25K 483 – –
BCV
325
Banque Cantonale Vaudoise
Switzerland
$25K 491 +491 New
11 12
13
14 15