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186 hedge funds and large institutions have $1.21B invested in Rambus in 2018 Q1 according to their latest regulatory filings, with 34 funds opening new positions, 63 increasing their positions, 55 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed

173% more call options, than puts

Call options by funds: $12.5M | Put options by funds: $4.56M

89% more first-time investments, than exits

New positions opened: 34 | Existing positions closed: 18

15% more repeat investments, than reductions

Existing positions increased: 63 | Existing positions reduced: 55

8% more funds holding

Funds holding: 172186 (+14)

0.63% less ownership

Funds ownership: 81.86%81.23% (-0.63%)

6% less capital invested

Capital invested by funds: $1.28B → $1.21B (-$72.1M)

Holders
186
Holders Change
+14
Holders Change %
+8.14%
% of All Funds
4.26%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
34
Increased
63
Reduced
55
Closed
18
Calls
$12.5M
Puts
$4.56M
Net Calls
+$7.91M
Net Calls Change
-$2.56M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$189M +$5M +373,408 +3%
WRF
2
Waddell & Reed Financial
Kansas
$147M
Vanguard Group
3
Vanguard Group
Pennsylvania
$140M +$2.74M +204,772 +2%
Primecap Management
4
Primecap Management
California
$68.1M -$8.21M -613,633 -11%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$61.9M +$640K +47,804 +1%
Renaissance Technologies
6
Renaissance Technologies
New York
$59.1M +$2.28M +170,500 +4%
Neuberger Berman Group
7
Neuberger Berman Group
New York
$45.6M -$476K -35,535 -1%
State Street
8
State Street
Massachusetts
$44.9M +$2.69M +200,591 +6%
Wellington Management Group
9
Wellington Management Group
Massachusetts
$26.7M -$64.6K -4,826 -0.2%
Invesco
10
Invesco
Georgia
$25.7M +$9.92M +741,329 +63%
Norges Bank
11
Norges Bank
Norway
$23.3M
Deutsche Bank
12
Deutsche Bank
Germany
$20.3M +$3.35M +250,590 +20%
Bank of New York Mellon
13
Bank of New York Mellon
New York
$19.8M +$367K +27,393 +2%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$19.5M +$4.85M +362,588 +33%
Northern Trust
15
Northern Trust
Illinois
$18.2M +$145K +10,829 +0.8%
DGHMC
16
Dalton, Greiner, Hartman, Maher & Co
New York
$17.7M +$1.11M +82,935 +7%
TA
17
Teachers Advisors
New York
$15.8M +$2.26M +168,998 +17%
Ameriprise
18
Ameriprise
Minnesota
$15.6M +$2.4M +178,924 +18%
Morgan Stanley
19
Morgan Stanley
New York
$13.8M -$5.27M -393,485 -28%
Two Sigma Advisers
20
Two Sigma Advisers
New York
$12.5M +$2.14M +159,800 +21%
Principal Financial Group
21
Principal Financial Group
Iowa
$11.6M +$430K +32,096 +4%
Millennium Management
22
Millennium Management
New York
$11.6M -$12.3M -921,861 -52%
D.E. Shaw & Co
23
D.E. Shaw & Co
New York
$10.8M +$3.1M +231,704 +40%
Charles Schwab
24
Charles Schwab
California
$9.31M +$1.07M +79,963 +13%
Goldman Sachs
25
Goldman Sachs
New York
$8.92M +$2.5M +186,396 +39%