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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
CW
551
Curio Wealth
Maryland
$258 +$299 +3 New
PAMS
552
Pinpoint Asset Management (Singapore)
$86
AF
553
Advisornet Financial
Minnesota
$86 +$100 +1 New
Norges Bank
554
Norges Bank
Norway
-$156M -1,701,551 Closed
William Blair Investment Management
555
William Blair Investment Management
Illinois
-$29.1M -316,397 Closed
Public Sector Pension Investment Board (PSP Investments)
556
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
-$28M -305,209 Closed
Tudor Investment Corp
557
Tudor Investment Corp
Connecticut
-$9.34M -101,605 Closed
CM
558
Castleark Management
Illinois
-$8.78M -95,578 Closed
HIM
559
Hillsdale Investment Management
Ontario, Canada
-$8.18M -88,990 Closed
TI
560
Trexquant Investment
Connecticut
-$6.89M -74,943 Closed
EI
561
EAM Investors
California
-$5.6M -60,957 Closed
EAM
562
Erste Asset Management
Austria
-$5.23M -55,600 Closed
MM
563
M37 Management
California
-$4.59M -50,000 Closed
Two Sigma Advisers
564
Two Sigma Advisers
New York
-$4.29M -46,700 Closed
Point72 Asset Management
565
Point72 Asset Management
Connecticut
-$2.76M -30,021 Closed
FMI
566
F/M Investments
District of Columbia
-$2.45M -26,710 Closed
Skandinaviska Enskilda Banken (SEB)
567
Skandinaviska Enskilda Banken (SEB)
Sweden
-$2.22M -24,177 Closed
PEAK6
568
PEAK6
Illinois
-$1.62M -17,648 Closed
EIP
569
Epoch Investment Partners
New York
-$1.62M -17,603 Closed
GFM
570
GF Fund Management
China
-$1.47M -15,975 Closed
Credit Agricole
571
Credit Agricole
France
-$1.39M -15,114 Closed
CCIA
572
Campbell & Co Investment Adviser
Maryland
-$1.29M -14,091 Closed
ET
573
Entropy Technologies
New York
-$1.18M -12,810 Closed
EP
574
Edgestream Partners
New Jersey
-$1.08M -11,739 Closed
EMAM
575
Encompass More Asset Management
California
-$951K -10,349 Closed