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Rambus

393 hedge funds and large institutions have $6.14B invested in Rambus in 2023 Q2 according to their latest regulatory filings, with 96 funds opening new positions, 138 increasing their positions, 128 reducing their positions, and 37 closing their positions.

New
Increased
Maintained
Reduced
Closed

240% more call options, than puts

Call options by funds: $199M | Put options by funds: $58.6M

159% more first-time investments, than exits

New positions opened: 96 | Existing positions closed: 37

28% more capital invested

Capital invested by funds: $4.81B → $6.14B (+$1.32B)

17% more funds holding

Funds holding: 336393 (+57)

1.09% more ownership

Funds ownership: 86.86%87.95% (+1.1%)

8% more repeat investments, than reductions

Existing positions increased: 138 | Existing positions reduced: 128

33% less funds holding in top 10

Funds holding in top 10: 64 (-2)

Holders
393
Holders Change
+57
Holders Change %
+16.96%
% of All Funds
6.17%
Holding in Top 10
4
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-33.33%
% of All Funds
0.06%
New
96
Increased
138
Reduced
128
Closed
37
Calls
$199M
Puts
$58.6M
Net Calls
+$141M
Net Calls Change
+$71.2M
Name Holding Trade Value Shares
Change
Change in
Stake
T. Rowe Price Associates
26
T. Rowe Price Associates
Maryland
$45.1M +$35.6M +646,402 +1,159%
JMPWA
27
JP Morgan Private Wealth Advisors
California
$43.8M -$3M -54,404 -7%
Swedbank
28
Swedbank
Sweden
$41.7M +$19.3M +350,000 +117%
D.E. Shaw & Co
29
D.E. Shaw & Co
New York
$39.8M -$24.8M -450,807 -42%
DCM
30
Driehaus Capital Management
Illinois
$39M +$1.99M +36,179 +6%
Fidelity Investments
31
Fidelity Investments
Massachusetts
$35.4M -$8.94M -162,450 -23%
MC
32
Maplelane Capital
New York
$34.8M +$29.9M +542,261 New
Millennium Management
33
Millennium Management
New York
$31M -$16.8M -305,890 -39%
SSA
34
Schonfeld Strategic Advisors
New York
$29.2M +$25.1M +455,382 New
Legal & General Group
35
Legal & General Group
United Kingdom
$26.5M +$5.44M +98,879 +31%
PAM
36
Panagora Asset Management
Massachusetts
$26.3M -$1.01M -18,421 -4%
Arrowstreet Capital
37
Arrowstreet Capital
Massachusetts
$23.6M -$6.89M -125,184 -25%
Man Group
38
Man Group
United Kingdom
$23.2M +$19.9M +361,064 New
Twin Tree Management
39
Twin Tree Management
Texas
$23M +$16.3M +296,755 +478%
FAM
40
Fred Alger Management
New York
$22.7M +$19.5M +353,441 New
Macquarie Group
41
Macquarie Group
Australia
$22.1M +$19M +344,902 New
PWAM
42
Park West Asset Management
California
$21.5M -$9.09M -165,000 -33%
RhumbLine Advisers
43
RhumbLine Advisers
Massachusetts
$20M -$227K -4,124 -1%
Renaissance Technologies
44
Renaissance Technologies
New York
$20M +$2.96M +53,700 +21%
Goldman Sachs
45
Goldman Sachs
New York
$19.3M -$4.15M -75,293 -20%
EA
46
Emerald Advisers
Pennsylvania
$18.6M +$13.1M +237,783 +462%
Mirae Asset Global Investments
47
Mirae Asset Global Investments
South Korea
$17.9M +$755K +13,719 +5%
JAM
48
Jupiter Asset Management
United Kingdom
$17.9M +$15.3M +278,535 New
GLA
49
Great Lakes Advisors
Illinois
$17.8M +$14.8M +269,173 +3,091%
New York State Common Retirement Fund
50
New York State Common Retirement Fund
New York
$17.3M -$714K -12,975 -5%

RMBS Hedge Fund Activity: Q2 2023 in Review

393 of the 6,369 institutional investors tracked by Wall St. Rank reported a position in Rambus (RMBS) for Q2 2023, worth a combined $6.14B — up 28% from $4.81B a quarter earlier.

Buyers outnumbered sellers: 96 funds opened new RMBS positions and 37 closed out — a net gain of 59 holders — while 138 added to existing stakes and 128 trimmed.

The largest buyer was Polar Capital Holdings, opening a new position worth an estimated $72.1M. The largest seller was Ameriprise, cutting an estimated $89.1M.

  • 393 institutional investors held Rambus (RMBS) as of Q2 2023, up from 336 in Q1 2023.
  • Funds reported $6.14B of Rambus stock for Q2 2023, up 28% quarter-over-quarter.
  • 96 funds opened new Rambus positions in Q2 2023 and 37 closed out, a net change of +59 holders.
  • The largest Rambus buyer in Q2 2023 was Polar Capital Holdings, an estimated $72.1M added.
  • The largest Rambus seller in Q2 2023 was Ameriprise, an estimated $89.1M sold.

Based on aggregated 13F filings for Q2 2023.