We are live on ! Find out more

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
EAM
576
Eventide Asset Management
Massachusetts
-$949K -10,330 Closed
VAS
577
Vestmark Advisory Solutions
Massachusetts
-$918K -9,992 Closed
FCM
578
FirstWave Capital Management
Florida
-$913K -9,933 Closed
GS
579
GTS Securities
New York
-$905K -9,846 Closed
SPC
580
Sigma Planning Corp
Michigan
-$871K -9,460 Closed
DC
581
Diametric Capital
Massachusetts
-$642K -6,991 Closed
AC
582
AXQ Capital
New Jersey
-$620K -6,742 Closed
IAN
583
Integrated Advisors Network
Texas
-$595K -6,475 Closed
Calamos Advisors
584
Calamos Advisors
Illinois
-$580K -6,316 Closed
RP
585
Regal Partners
Australia
-$551K -6,000 Closed
Qube Research & Technologies (QRT)
586
Qube Research & Technologies (QRT)
United Kingdom
-$519K -5,648 Closed
Squarepoint
587
Squarepoint
New York
-$505K -5,496 Closed
CA
588
CoreCap Advisors
Michigan
-$401K -4,367 Closed
Verition Fund Management
589
Verition Fund Management
Connecticut
-$376K -4,091 Closed
FFM
590
Forum Financial Management
Illinois
-$358K -3,891 Closed
Simplex Trading
591
Simplex Trading
Illinois
-$388K -3,884 Closed
ORI
592
Oak Ridge Investments
Illinois
-$352K -3,828 Closed
FGP
593
Freestone Grove Partners
California
-$328K -3,574 Closed
SSA
594
Schonfeld Strategic Advisors
New York
-$322K -3,505 Closed
OQS
595
Occudo Quantitative Strategies
Florida
-$321K -3,494 Closed
CCAL
596
City Center Advisors LLC
Michigan
-$307K -3,338 Closed
JRPIM
597
Journey Retirement Planning & Investment Management
Idaho
-$304K -3,312 Closed
AWM
598
Adams Wealth Management
Utah
-$281K -3,018 Closed
CI
599
CacheTech Inc
Utah
-$281K -3,018 Closed
Focus Partners Wealth
600
Focus Partners Wealth
Massachusetts
-$269K -2,928 Closed