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187 hedge funds and large institutions have $665M invested in Rambus in 2018 Q4 according to their latest regulatory filings, with 38 funds opening new positions, 66 increasing their positions, 50 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed

102% more call options, than puts

Call options by funds: $3.74M | Put options by funds: $1.85M

36% more first-time investments, than exits

New positions opened: 38 | Existing positions closed: 28

32% more repeat investments, than reductions

Existing positions increased: 66 | Existing positions reduced: 50

6% more funds holding

Funds holding: 177187 (+10)

0.08% less ownership

Funds ownership: 79.97%79.89% (-0.08%)

29% less capital invested

Capital invested by funds: $936M → $665M (-$271M)

Holders
187
Holders Change
+10
Holders Change %
+5.65%
% of All Funds
4.17%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
38
Increased
66
Reduced
50
Closed
28
Calls
$3.74M
Puts
$1.85M
Net Calls
+$1.88M
Net Calls Change
-$4.93M
Name Holding Trade Value Shares
Change
Change in
Stake
MSA
101
Mason Street Advisors
Wisconsin
$258K +$16.4K +1,888 +6%
OAM
102
Oxford Asset Management
United Kingdom
$251K -$1.19M -136,979 -81%
Squarepoint
103
Squarepoint
New York
$250K +$52.4K +6,034 +23%
LCM
104
Laurion Capital Management
New York
$247K +$152K +17,454 +119%
MERSOM
105
Municipal Employees' Retirement System of Michigan
Michigan
$238K +$270K +31,050 New
Creative Planning
106
Creative Planning
Kansas
$237K
BCM
107
BBT Capital Management
Texas
$232K -$606K -69,731 -70%
XK
108
Xact Kapitalforvaltning
Sweden
$229K +$53.9K +6,200 +26%
TRSOTSOK
109
Teachers Retirement System of the State of Kentucky
Kentucky
$224K
Walleye Trading
110
Walleye Trading
New York
$223K -$228K -26,267 -47%
GHCM
111
Glen Harbor Capital Management
California
$220K
TSS
112
Two Sigma Securities
New York
$207K +$58.4K +6,714 +33%
DTL
113
Dynamic Technology Lab
Singapore
$205K -$315K -36,251 -57%
JG
114
Jefferies Group
New York
$200K +$70K +8,050 +45%
Luther King Capital Management (LKCM)
115
Luther King Capital Management (LKCM)
Texas
$199K +$226K +26,000 New
AG
116
Aperio Group
California
$198K -$1.24K -143 -0.6%
PIA
117
Piedmont Investment Advisors
North Carolina
$198K +$9.33K +1,073 +4%
TI
118
Trexquant Investment
Connecticut
$187K +$212K +24,421 New
Public Employees Retirement Association of Colorado
119
Public Employees Retirement Association of Colorado
Colorado
$183K
MCIM
120
Meadow Creek Investment Management
Georgia
$181K
Capital Fund Management (CFM)
121
Capital Fund Management (CFM)
France
$161K +$183K +21,000 New
SSA
122
Schonfeld Strategic Advisors
New York
$160K +$34.7K +3,997 +24%
EP
123
Elkfork Partners
Oregon
$142K
Arrowstreet Capital
124
Arrowstreet Capital
Massachusetts
$141K +$160K +18,400 New
QIM
125
Quantitative Investment Management
Virginia
$137K +$156K +17,900 New