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395 hedge funds and large institutions have $5.03B invested in Rambus in 2024 Q4 according to their latest regulatory filings, with 78 funds opening new positions, 121 increasing their positions, 153 reducing their positions, and 51 closing their positions.

New
Increased
Maintained
Reduced
Closed

53% more first-time investments, than exits

New positions opened: 78 | Existing positions closed: 51

28% more capital invested

Capital invested by funds: $3.94B → $5.03B (+$1.09B)

5% more funds holding

Funds holding: 375395 (+20)

2.8% more ownership

Funds ownership: 86.39%89.19% (+2.8%)

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

6% less call options, than puts

Call options by funds: $37.8M | Put options by funds: $40.4M

21% less repeat investments, than reductions

Existing positions increased: 121 | Existing positions reduced: 153

Holders
395
Holders Change
+20
Holders Change %
+5.33%
% of All Funds
5.2%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.01%
New
78
Increased
121
Reduced
153
Closed
51
Calls
$37.8M
Puts
$40.4M
Net Calls
-$2.52M
Net Calls Change
+$407K
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$747M +$22.7M +445,878 +3%
Vanguard Group
2
Vanguard Group
Pennsylvania
$666M +$1.61M +31,645 +0.3%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$288M +$227M +4,445,146 +443%
Invesco
4
Invesco
Georgia
$264M +$107M +2,093,953 +72%
State Street
5
State Street
Massachusetts
$250M -$4.17M -81,710 -2%
JP Morgan Chase
6
JP Morgan Chase
New York
$221M +$3.52M +68,975 +2%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$136M -$2.25M -44,157 -2%
Bank of New York Mellon
8
Bank of New York Mellon
New York
$111M -$3.43M -67,225 -3%
Norges Bank
9
Norges Bank
Norway
$94.4M +$25.4M +498,710 +39%
Dimensional Fund Advisors
10
Dimensional Fund Advisors
Texas
$91.7M -$1.38M -27,060 -2%
Swedbank
11
Swedbank
Sweden
$89.9M -$2.19M -43,000 -2%
Neuberger Berman Group
12
Neuberger Berman Group
New York
$87.7M -$4.53M -88,899 -5%
Northern Trust
13
Northern Trust
Illinois
$77.4M +$8.71M +170,884 +13%
Westfield Capital Management
14
Westfield Capital Management
Massachusetts
$73.5M +$24.8M +487,302 +54%
Charles Schwab
15
Charles Schwab
California
$66.1M +$294K +5,761 +0.5%
Wellington Management Group
16
Wellington Management Group
Massachusetts
$66M -$10.7M -210,286 -14%
American Century Companies
17
American Century Companies
Missouri
$62.2M +$3.8M +74,478 +7%
WHG
18
Westwood Holdings Group
Texas
$59.6M -$15.4M -302,042 -21%
VOYA Investment Management
19
VOYA Investment Management
Georgia
$59.4M -$3.54M -69,421 -6%
N
20
Nuveen
North Carolina
$56.3M +$5.92M +116,079 +12%
Goldman Sachs
21
Goldman Sachs
New York
$55.4M +$11.6M +227,985 +28%
Raymond James Financial
22
Raymond James Financial
Florida
$51.5M +$49.7M +974,284 New
Morgan Stanley
23
Morgan Stanley
New York
$48.4M -$34.5M -676,027 -42%
CAM
24
Congress Asset Management
Massachusetts
$45.8M +$44.1M +866,026 New
ACM
25
Analog Century Management
New York
$43.6M +$42.1M +825,288 New

RMBS Hedge Fund Activity: Q4 2024 in Review

395 of the 7,592 institutional investors tracked by Wall St. Rank reported a position in Rambus (RMBS) for Q4 2024, worth a combined $5.03B — up 28% from $3.94B a quarter earlier.

Buyers outnumbered sellers: 78 funds opened new RMBS positions and 51 closed out — a net gain of 27 holders — while 121 added to existing stakes and 153 trimmed.

The largest buyer was T. Rowe Price Associates, adding an estimated $227M. The largest seller was Cubist Systematic Strategies, cutting an estimated $39.9M.

  • 395 institutional investors held Rambus (RMBS) as of Q4 2024, up from 375 in Q3 2024.
  • Funds reported $5.03B of Rambus stock for Q4 2024, up 28% quarter-over-quarter.
  • 78 funds opened new Rambus positions in Q4 2024 and 51 closed out, a net change of +27 holders.
  • The largest Rambus buyer in Q4 2024 was T. Rowe Price Associates, an estimated $227M added.
  • The largest Rambus seller in Q4 2024 was Cubist Systematic Strategies, an estimated $39.9M sold.

Based on aggregated 13F filings for Q4 2024.