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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
Goldman Sachs
26
Goldman Sachs
New York
$79.3M -$27.2M -272,286 -23%
N
27
Nuveen
North Carolina
$76.8M -$20.9M -209,753 -19%
Wellington Management Group
28
Wellington Management Group
Massachusetts
$73.7M -$7.72M -77,336 -8%
Bank of New York Mellon
29
Bank of New York Mellon
New York
$67.1M -$31.4M -314,278 -29%
VOYA Investment Management
30
VOYA Investment Management
Georgia
$65.9M +$4.15M +41,577 +6%
Raymond James Financial
31
Raymond James Financial
Florida
$65.5M -$14.1M -141,302 -15%
VFT
32
Vanguard Fiduciary Trust
Pennsylvania
$64.5M +$74.8M +749,880 New
Rafferty Asset Management
33
Rafferty Asset Management
New York
$64.1M -$19M -190,265 -20%
Fisher Asset Management
34
Fisher Asset Management
Washington
$63.5M +$22.1M +221,078 +43%
HRCM
35
Hood River Capital Management
Florida
$62.6M +$1.86M +18,648 +3%
PC
36
PointState Capital
New York
$60.3M +$70M +701,307 New
Loomis, Sayles & Company
37
Loomis, Sayles & Company
Massachusetts
$56.8M -$4.04M -40,498 -6%
ClearBridge Investments
38
ClearBridge Investments
New York
$50.2M +$58.2M +583,270 New
OAM
39
Oberweis Asset Management
Illinois
$45.3M +$6.41M +64,216 +14%
EA
40
Emerald Advisers
Pennsylvania
$42.4M -$13.3M -133,749 -21%
Caisse de Depot et Placement du Quebec (CDPQ)
41
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$38.6M +$128K +1,286 +0.3%
PAM
42
Panagora Asset Management
Massachusetts
$37.5M +$172K +1,728 +0.4%
SIC
43
Schwartz Investment Counsel
Michigan
$36.2M +$23.9M +240,000 +133%
SIMG
44
Stephens Investment Management Group
Texas
$35.1M +$21.4M +214,081 +111%
Lord, Abbett & Co
45
Lord, Abbett & Co
New Jersey
$33.3M -$15.2M -151,909 -28%
Principal Financial Group
46
Principal Financial Group
Iowa
$32.1M -$3.81M -38,183 -9%
WHG
47
Westwood Holdings Group
Texas
$31.8M +$8.39M +84,077 +29%
Janus Henderson Group
48
Janus Henderson Group
United Kingdom
$30.9M -$2.06M -20,623 -5%
CIP
49
Champlain Investment Partners
Vermont
$30.7M +$35.6M +357,223 New
SEI Investments
50
SEI Investments
Pennsylvania
$29.2M -$4.67M -46,814 -12%