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Rambus

213 hedge funds and large institutions have $1.86B invested in Rambus in 2021 Q1 according to their latest regulatory filings, with 30 funds opening new positions, 57 increasing their positions, 86 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed

11% more capital invested

Capital invested by funds: $1.68B → $1.86B (+$184M)

1.42% more ownership

Funds ownership: 84.29%85.7% (+1.4%)

7% more call options, than puts

Call options by funds: $18.9M | Put options by funds: $17.6M

0% more funds holding in top 10

Funds holding in top 10: 22 (0)

5% less funds holding

Funds holding: 224213 (-11)

21% less first-time investments, than exits

New positions opened: 30 | Existing positions closed: 38

34% less repeat investments, than reductions

Existing positions increased: 57 | Existing positions reduced: 86

Holders
213
Holders Change
-11
Holders Change %
-4.91%
% of All Funds
3.74%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.04%
New
30
Increased
57
Reduced
86
Closed
38
Calls
$18.9M
Puts
$17.6M
Net Calls
+$1.26M
Net Calls Change
+$10.1M
Name Holding Trade Value Shares
Change
Change in
Stake
HCL
26
Heard Capital LLC
Illinois
$12.5M +$3.01M +149,995 +30%
Goldman Sachs
27
Goldman Sachs
New York
$12.1M +$5.09M +253,287 +69%
MFIMFI
28
Mesirow Financial Investment Management - Fixed Income
Illinois
$10.6M +$3.17M +157,794 +41%
BCG
29
Barington Capital Group
New York
$10.3M +$1.93M +95,900 +22%
Assenagon Asset Management
30
Assenagon Asset Management
Luxembourg
$10.1M -$98.8K -4,920 -0.9%
CS
31
Credit Suisse
Switzerland
$9.63M -$163K -8,115 -2%
New York State Common Retirement Fund
32
New York State Common Retirement Fund
New York
$8.16M -$1.62M -80,580 -16%
Axa
33
Axa
France
$7.61M -$58.2K -2,900 -0.7%
Barclays
34
Barclays
United Kingdom
$7.42M +$525K +26,157 +7%
RhumbLine Advisers
35
RhumbLine Advisers
Massachusetts
$7.26M -$143K -7,113 -2%
PCM
36
Penn Capital Management
Pennsylvania
$7.18M -$1.71M -84,941 -19%
Legal & General Group
37
Legal & General Group
United Kingdom
$7.16M -$41.5K -2,067 -0.6%
Morgan Stanley
38
Morgan Stanley
New York
$7M -$3.32M -165,325 -31%
Bank of America
39
Bank of America
North Carolina
$7M -$959K -47,755 -12%
Primecap Management
40
Primecap Management
California
$6.18M -$11.5M -574,397 -64%
CM
41
Castleark Management
Illinois
$6.18M +$6.39M +318,055 New
PPA
42
Parametric Portfolio Associates
Washington
$6.04M -$708K -35,227 -10%
Bank of Montreal
43
Bank of Montreal
Ontario, Canada
$5.79M +$34.7K +1,730 +0.6%
Two Sigma Investments
44
Two Sigma Investments
New York
$5.4M -$924K -46,010 -14%
Mirae Asset Global Investments
45
Mirae Asset Global Investments
South Korea
$5.39M +$879K +43,755 +19%
BAWC
46
Black-and-white Capital
California
$5.18M +$5.35M +266,500 New
Royal Bank of Canada
47
Royal Bank of Canada
Ontario, Canada
$5.1M -$904K -45,025 -15%
Swiss National Bank
48
Swiss National Bank
Switzerland
$5.06M +$72.3K +3,600 +1%
Public Sector Pension Investment Board (PSP Investments)
49
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$4.54M -$468K -23,315 -9%
California Public Employees Retirement System
50
California Public Employees Retirement System
California
$4.36M -$774K -38,532 -15%

RMBS Hedge Fund Activity: Q1 2021 in Review

213 of the 5,695 institutional investors tracked by Wall St. Rank reported a position in Rambus (RMBS) for Q1 2021, worth a combined $1.86B — up 11% from $1.68B a quarter earlier.

Sellers outnumbered buyers: 38 funds closed out of RMBS and 30 opened new positions — a net loss of 8 holders — while 86 trimmed existing stakes and 57 added.

The largest buyer was Lynrock Lake LP, adding an estimated $21.6M. The largest seller was Renaissance Technologies, cutting an estimated $21M.

  • 213 institutional investors held Rambus (RMBS) as of Q1 2021, down from 224 in Q4 2020.
  • Funds reported $1.86B of Rambus stock for Q1 2021, up 11% quarter-over-quarter.
  • 30 funds opened new Rambus positions in Q1 2021 and 38 closed out, a net change of -8 holders.
  • The largest Rambus buyer in Q1 2021 was Lynrock Lake LP, an estimated $21.6M added.
  • The largest Rambus seller in Q1 2021 was Renaissance Technologies, an estimated $21M sold.

Based on aggregated 13F filings for Q1 2021.