148 hedge funds and large institutions have $1.03B invested in Rambus in 2015 Q4 according to their latest regulatory filings, with 33 funds opening new positions, 50 increasing their positions, 38 reducing their positions, and 29 closing their positions.

Holders
148
Holders Change
+4
Holders Change %
+2.78%
% of All Funds
3.89%
Holding in Top 10
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
New
33
Increased
50
Reduced
38
Closed
29
Calls
$36.2M
Puts
$25.4M
Net Calls
+$10.8M
Net Calls Change
+$8.63M
Name Market Value Shares Shares
Change
Shares
Change %
Two Sigma Investments
101
Two Sigma Investments
New York
$137K 11,858 -119,210 -91%
PP
102
Paloma Partners
Connecticut
$136K 11,773 -43,497 -79%
BCM
103
Brookstone Capital Management
Illinois
$134K 11,532 +11,162 +3,017%
FA
104
FDx Advisors
Illinois
$134K 11,601 +11,601 New
AB
105
Amalgamated Bank
New York
$128K 11,060 -1,079 -9%
Teacher Retirement System of Texas
106
Teacher Retirement System of Texas
Texas
$123K 10,627 -3,531 -25%
SEI Investments
107
SEI Investments
Pennsylvania
$122K 10,550 -41,310 -80%
Parallax Volatility Advisers
108
Parallax Volatility Advisers
California
$115K 9,930 +6,601 +198%
Canada Life
109
Canada Life
Manitoba, Canada
$98K 8,478
UBS Group
110
UBS Group
Switzerland
$97K 8,301 -3,249 -28%
CF
111
CenterStar Fund
Illinois
Envestnet Asset Management
112
Envestnet Asset Management
Illinois
$72K 6,229 -1,134 -15%
Victory Capital Management
113
Victory Capital Management
Texas
$65K 5,606 -176 -3%
BlackRock
114
BlackRock
New York
$60K 5,232 -1,688 -24%
HSBC Holdings
115
HSBC Holdings
United Kingdom
$57K 4,860 -5,008 -51%
LTFS
116
Ladenburg Thalmann Financial Services
Florida
$55K 4,762
LIA
117
LS Investment Advisors
Michigan
$45K 3,850 +3,850 New
Simplex Trading
118
Simplex Trading
Illinois
$34K 2,937 -3,051 -51%
Zurich Cantonal Bank
119
Zurich Cantonal Bank
Switzerland
$32K 2,752 +1,555 +130%
DADC
120
D.A. Davidson & Co
Montana
$31K 2,700
MPWT
121
MassMutual Private Wealth & Trust
Connecticut
$22.4K 1,936 -376 -16%
PCM
122
Prelude Capital Management
New York
$17K 1,500 -6,655 -82%
VIA
123
Vantage Investment Advisors
Pennsylvania
$17K 1,500
HFM
124
Hartford Financial Management
Connecticut
$16K 1,405
MSFP
125
Mark Sheptoff Financial Planning
Connecticut
$12K 1,000