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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
PCM
126
Prelude Capital Management
New York
$133K +$151K +17,400 New
Group One Trading
127
Group One Trading
Illinois
$129K -$58.5K -6,726 -29%
PI
128
PEAK6 Investments
Illinois
$128K +$145K +16,667 New
O
129
OppenheimerFunds
New York
$127K -$10.1K -1,163 -7%
Parallax Volatility Advisers
130
Parallax Volatility Advisers
California
$127K +$143K +16,500 New
USAA
131
United Services Automobile Association
Texas
$126K
ARTA
132
A.R.T. Advisors
New York
$122K +$139K +15,946 New
AB
133
Amalgamated Bank
New York
$118K -$17 -2 -0%
FCBT
134
First Citizens Bank & Trust
North Carolina
$114K +$129K +14,875 New
CGH
135
Crossmark Global Holdings
Texas
$111K -$66K -7,590 -34%
ProShare Advisors
136
ProShare Advisors
Maryland
$110K -$12.8K -1,474 -9%
Tudor Investment Corp
137
Tudor Investment Corp
Connecticut
$110K +$124K +14,318 New
CIBC Asset Management
138
CIBC Asset Management
Ontario, Canada
$109K +$124K +14,260 New
CA
139
Commerzbank Aktiengesellschaft
Germany
$103K -$287K -33,016 -71%
TAM
140
Tyers Asset Management
Texas
$103K
ECM
141
Everence Capital Management
Indiana
$103K +$117K +13,445 New
HIMCH
142
Hartford Investment Management Co (HIMCO)
Connecticut
$97K
Wolverine Trading
143
Wolverine Trading
Illinois
$95K +$107K +12,277 New
BNP Paribas Financial Markets
144
BNP Paribas Financial Markets
France
$92.5K +$14K +1,610 +15%
ACM
145
AlphaCrest Capital Management
New York
$92K +$104K +12,000 New
PP
146
Paloma Partners
Connecticut
$86K +$97.4K +11,209 New
SCM
147
Shelton Capital Management
Colorado
$85K
TRCT
148
Tower Research Capital (TRC)
New York
$83K +$40.4K +4,651 +76%
SEI Investments
149
SEI Investments
Pennsylvania
$81K +$16.4K +1,882 +24%
VF
150
Virtu Financial
New York
$78K -$58.7K -6,750 -40%