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553 hedge funds and large institutions have $8.82B invested in Rambus in 2026 Q1 according to their latest regulatory filings, with 84 funds opening new positions, 185 increasing their positions, 208 reducing their positions, and 74 closing their positions.

New
Increased
Maintained
Reduced
Closed

85% more call options, than puts

Call options by funds: $49.5M | Put options by funds: $26.8M

14% more first-time investments, than exits

New positions opened: 84 | Existing positions closed: 74

2.3% more ownership

Funds ownership: 92.72%95.02% (+2.3%)

0% more funds holding

Funds holding: 552553 (+1)

4% less capital invested

Capital invested by funds: $9.18B → $8.82B (-$353M)

11% less repeat investments, than reductions

Existing positions increased: 185 | Existing positions reduced: 208

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

Holders
553
Holders Change
+1
Holders Change %
+0.18%
% of All Funds
6.81%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.02%
New
84
Increased
185
Reduced
208
Closed
74
Calls
$49.5M
Puts
$26.8M
Net Calls
+$22.7M
Net Calls Change
+$4.03M
Name Holding Trade Value Shares
Change
Change in
Stake
Manulife (Manufacturers Life Insurance)
101
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$8.81M -$1.16M -11,585 -10%
Creative Planning
102
Creative Planning
Kansas
$8.8M +$1.1M +11,007 +12%
DDC
103
DF Dent & Co
Maryland
$8.76M +$10.2M +101,865 New
Lazard Asset Management
104
Lazard Asset Management
New York
$8.75M -$19.6M -196,169 -66%
Schroder Investment Management Group
105
Schroder Investment Management Group
United Kingdom
$8.66M +$952K +9,539 +10%
ACM
106
Alight Capital Management
New York
$8.6M +$9.98M +100,000 New
VAM
107
Vanguard Asset Management
$8.36M +$9.7M +97,189 New
Rockefeller Capital Management
108
Rockefeller Capital Management
New York
$8.21M +$9.26M +92,768 +3,456%
State of Wisconsin Investment Board
109
State of Wisconsin Investment Board
Wisconsin
$8.2M -$594K -5,952 -6%
Envestnet Asset Management
110
Envestnet Asset Management
Illinois
$7.8M +$2.12M +21,287 +31%
Prudential Financial
111
Prudential Financial
New Jersey
$7.69M -$12.4M -124,245 -58%
Allianz Asset Management
112
Allianz Asset Management
Germany
$7.67M +$8.89M +89,106 New
LPL Financial
113
LPL Financial
California
$7.57M +$342K +3,429 +4%
Susquehanna International Group
114
Susquehanna International Group
Pennsylvania
$7.38M +$7.18M +71,990 +520%
OCM
115
Osterweis Capital Management
California
$7.31M -$413K -4,135 -5%
SC
116
SummitTX Capital
Texas
$6.94M -$1.67M -16,698 -17%
Two Sigma Investments
117
Two Sigma Investments
New York
$6.66M -$6.68M -66,993 -46%
AFWM
118
AMJ Financial Wealth Management
Virginia
$6.57M -$1.86M -18,616 -20%
New York State Teachers Retirement System (NYSTRS)
119
New York State Teachers Retirement System (NYSTRS)
New York
$6.31M -$360K -3,604 -5%
AG
120
Algert Global
California
$6.23M -$12.9M -129,775 -64%
Allspring Global Investments
121
Allspring Global Investments
North Carolina
$5.98M -$45.5M -455,695 -87%
FAM
122
Fred Alger Management
New York
$5.75M -$34K -341 -0.5%
Universal-Beteiligungs- und Servicegesellschaft
123
Universal-Beteiligungs- und Servicegesellschaft
Germany
$5.68M -$7.15M -71,648 -52%
MP
124
Munro Partners
Australia
$5.54M +$6.43M +64,395 New
WAM
125
Weiss Asset Management
Massachusetts
$5.43M +$2.67M +26,800 +74%