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Rambus

377 hedge funds and large institutions have $6B invested in Rambus in 2024 Q1 according to their latest regulatory filings, with 53 funds opening new positions, 154 increasing their positions, 135 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed

95% more call options, than puts

Call options by funds: $99.2M | Put options by funds: $51M

14% more repeat investments, than reductions

Existing positions increased: 154 | Existing positions reduced: 135

0% more funds holding in top 10

Funds holding in top 10: 44 (0)

1.46% less ownership

Funds ownership: 91.09%89.63% (-1.5%)

5% less funds holding

Funds holding: 398377 (-21)

10% less capital invested

Capital invested by funds: $6.68B → $6B (-$686M)

24% less first-time investments, than exits

New positions opened: 53 | Existing positions closed: 70

Holders
377
Holders Change
-21
Holders Change %
-5.28%
% of All Funds
5.43%
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.06%
New
53
Increased
154
Reduced
135
Closed
70
Calls
$99.2M
Puts
$51M
Net Calls
+$48.2M
Net Calls Change
+$5.12M
Name Holding Trade Value Shares
Change
Change in
Stake
EAM
26
Eagle Asset Management
Florida
$50.6M +$10.4M +163,956 +25%
Morgan Stanley
27
Morgan Stanley
New York
$50.4M -$71.2M -1,124,635 -58%
VOYA Investment Management
28
VOYA Investment Management
Georgia
$50.2M +$2.44M +38,520 +5%
Lord, Abbett & Co
29
Lord, Abbett & Co
New Jersey
$47.1M -$110M -1,738,165 -70%
FAM
30
Fred Alger Management
New York
$44.5M -$202K -3,186 -0.4%
Barclays
31
Barclays
United Kingdom
$41.2M -$516K -8,155 -1%
American Century Companies
32
American Century Companies
Missouri
$39.7M +$38M +600,940 +1,427%
Macquarie Group
33
Macquarie Group
Australia
$38.1M -$8.08M -127,645 -17%
Principal Financial Group
34
Principal Financial Group
Iowa
$33.6M -$21.1M -332,863 -38%
Citigroup
35
Citigroup
New York
$32.9M +$20.8M +328,341 +160%
SAM
36
Silvercrest Asset Management
New York
$31.6M -$5.21M -82,344 -14%
Artisan Partners
37
Artisan Partners
Wisconsin
$29.2M +$12.8M +202,350 +75%
Franklin Resources
38
Franklin Resources
California
$28.7M +$26.5M +417,986 +912%
PWAM
39
Park West Asset Management
California
$27.8M +$15.2M +240,000 +114%
WHG
40
Westwood Holdings Group
Texas
$27.2M +$13.9M +219,414 +100%
UBS Group
41
UBS Group
Switzerland
$26.5M -$4.92M -77,665 -15%
SPPAM
42
Summit Partners Public Asset Management
Massachusetts
$25.8M -$11.3M -177,949 -30%
PAM
43
Panagora Asset Management
Massachusetts
$24M -$742K -11,729 -3%
EA
44
Emerald Advisers
Pennsylvania
$22.5M +$378K +5,971 +2%
BNP Paribas Financial Markets
45
BNP Paribas Financial Markets
France
$22.5M +$170K +2,685 +0.7%
WCM Investment Management
46
WCM Investment Management
California
$22.2M +$8.29M +131,037 +58%
RhumbLine Advisers
47
RhumbLine Advisers
Massachusetts
$20.7M +$205K +3,236 +1%
Westfield Capital Management
48
Westfield Capital Management
Massachusetts
$20.3M +$20.8M +328,053 New
AI
49
Axiom Investors
Connecticut
$19.6M +$3.68M +58,216 +22%
Mirae Asset Global Investments
50
Mirae Asset Global Investments
South Korea
$18.1M +$2.69M +42,432 +13%

RMBS Hedge Fund Activity: Q1 2024 in Review

377 of the 6,942 institutional investors tracked by Wall St. Rank reported a position in Rambus (RMBS) for Q1 2024, worth a combined $6B — down 10% from $6.68B a quarter earlier.

Sellers outnumbered buyers: 70 funds closed out of RMBS and 53 opened new positions — a net loss of 17 holders — while 135 trimmed existing stakes and 154 added.

The largest buyer was JP Morgan Chase, adding an estimated $76.4M. The largest seller was Millennium Management, cutting an estimated $117M.

  • 377 institutional investors held Rambus (RMBS) as of Q1 2024, down from 398 in Q4 2023.
  • Funds reported $6B of Rambus stock for Q1 2024, down 10% quarter-over-quarter.
  • 53 funds opened new Rambus positions in Q1 2024 and 70 closed out, a net change of -17 holders.
  • The largest Rambus buyer in Q1 2024 was JP Morgan Chase, an estimated $76.4M added.
  • The largest Rambus seller in Q1 2024 was Millennium Management, an estimated $117M sold.

Based on aggregated 13F filings for Q1 2024.