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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
Walleye Trading
76
Walleye Trading
New York
$10.2M +$2.71M +49,291 +45%
AllianceBernstein
77
AllianceBernstein
Tennessee
$9.63M +$169K +3,069 +2%
CM
78
Castleark Management
Illinois
$9.61M +$4.59M +83,430 +126%
CM
79
Crestline Management
Texas
$9.41M -$5.42M -98,525 -40%
Wells Fargo
80
Wells Fargo
California
$9.09M +$1.68M +30,438 +27%
Prudential Financial
81
Prudential Financial
New Jersey
$8.67M +$1.62M +29,456 +28%
UBS Group
82
UBS Group
Switzerland
$8.5M +$1.21M +21,960 +20%
California State Teachers Retirement System (CalSTRS)
83
California State Teachers Retirement System (CalSTRS)
California
$8.47M -$117K -2,130 -2%
AQR Capital Management
84
AQR Capital Management
Connecticut
$8.41M +$5.21M +94,552 +260%
Artisan Partners
85
Artisan Partners
Wisconsin
$8.11M +$6.96M +126,405 New
Canada Life
86
Canada Life
Manitoba, Canada
$8.02M +$1.24M +22,575 +22%
AI
87
Axiom Investors
Connecticut
$7.96M +$6.83M +124,070 New
COPPSERS
88
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$7.9M +$508K +9,230 +8%
First Trust Advisors
89
First Trust Advisors
Illinois
$7.7M +$152K +2,763 +2%
Citigroup
90
Citigroup
New York
$7.59M +$2.48M +44,966 +61%
SPPAM
91
Summit Partners Public Asset Management
Massachusetts
$7.21M -$8.23M -149,453 -57%
UBS AM
92
UBS AM
Illinois
$6.89M
Los Angeles Capital Management
93
Los Angeles Capital Management
California
$6.83M -$130K -2,365 -2%
Thrivent Financial for Lutherans
94
Thrivent Financial for Lutherans
Minnesota
$6.68M -$6.94M -126,094 -55%
LPL Financial
95
LPL Financial
California
$6.57M +$640K +11,628 +13%
Barclays
96
Barclays
United Kingdom
$6.47M +$532K +9,671 +11%
Russell Investments Group
97
Russell Investments Group
United Kingdom
$6.36M -$9.6M -174,370 -64%
TPSF
98
Texas Permanent School Fund
Texas
$6.15M -$30.5K -554 -0.6%
BCM
99
Bridgeway Capital Management
Texas
$5.92M
State of Wisconsin Investment Board
100
State of Wisconsin Investment Board
Wisconsin
$5.9M -$921K -16,734 -15%

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.