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552 hedge funds and large institutions have $9.18B invested in Rambus in 2025 Q4 according to their latest regulatory filings, with 102 funds opening new positions, 190 increasing their positions, 194 reducing their positions, and 53 closing their positions.

New
Increased
Maintained
Reduced
Closed

92% more first-time investments, than exits

New positions opened: 102 | Existing positions closed: 53

40% more call options, than puts

Call options by funds: $65.1M | Put options by funds: $46.4M

8% more funds holding

Funds holding: 512552 (+40)

0.94% more ownership

Funds ownership: 91.78%92.72% (+0.94%)

2% less repeat investments, than reductions

Existing positions increased: 190 | Existing positions reduced: 194

11% less capital invested

Capital invested by funds: $10.3B → $9.18B (-$1.11B)

50% less funds holding in top 10

Funds holding in top 10: 63 (-3)

Holders
552
Holders Change
+40
Holders Change %
+7.81%
% of All Funds
6.72%
Holding in Top 10
3
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-50%
% of All Funds
0.04%
New
102
Increased
190
Reduced
194
Closed
53
Calls
$65.1M
Puts
$46.4M
Net Calls
+$18.7M
Net Calls Change
-$41.3M
Name Holding Trade Value Shares
Change
Change in
Stake
Pacer Advisors
201
Pacer Advisors
Pennsylvania
$1.88M +$157K +1,595 +8%
Mariner
202
Mariner
Kansas
$1.78M -$50.5K -513 -3%
AIC
203
Aurora Investment Counsel
Georgia
$1.76M -$433K -4,400 -19%
TAM
204
Tealwood Asset Management
Minnesota
$1.75M -$50.2K -510 -3%
PAS
205
Park Avenue Securities
New York
$1.73M -$51.9K -527 -3%
BMSSC
206
B. Metzler seel. Sohn & Co
Germany
$1.71M -$1.29M -13,074 -41%
CI
207
Cambiar Investors
Colorado
$1.7M -$517K -5,253 -22%
D.E. Shaw & Co
208
D.E. Shaw & Co
New York
$1.7M -$6.65M -67,612 -79%
DWM
209
Diversify Wealth Management
Utah
$1.7M +$101K +1,030 +6%
SOADOR
210
State of Alaska Department of Revenue
Alaska
$1.7M +$679K +6,901 +60%
GC
211
Gould Capital
Washington
$1.69M +$44.1K +448 +2%
GLA
212
Great Lakes Advisors
Illinois
$1.67M -$19.2K -195 -1%
GAM
213
Gotham Asset Management
New York
$1.63M +$1.42M +14,480 +438%
PEAK6
214
PEAK6
Illinois
$1.62M +$1.74M +17,648 New
EIP
215
Epoch Investment Partners
New York
$1.62M -$252K -2,561 -13%
Envestnet Portfolio Solutions
216
Envestnet Portfolio Solutions
Illinois
$1.57M +$27.6K +280 +2%
HI
217
Horizon Investments
North Carolina
$1.56M -$143K -1,453 -8%
Cambridge Investment Research Advisors
218
Cambridge Investment Research Advisors
Iowa
$1.56M -$173K -1,753 -9%
PCM
219
Penn Capital Management
Pennsylvania
$1.56M -$13.3M -135,120 -89%
Marshall Wace
220
Marshall Wace
United Kingdom
$1.5M +$1.6M +16,300 New
Carson Wealth (CWM LLC)
221
Carson Wealth (CWM LLC)
Nebraska
$1.49M +$132K +1,341 +9%
GFM
222
GF Fund Management
China
$1.47M -$6.82M -69,318 -81%
FC
223
FORA Capital
Florida
$1.46M +$944K +9,590 +153%
Credit Agricole
224
Credit Agricole
France
$1.39M
QCG
225
Quadrant Capital Group
Ohio
$1.37M +$8.56K +87 +0.6%