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Rambus
RMBS

122 hedge funds and large institutions have $632M invested in Rambus in 2013 Q4 according to their latest regulatory filings, with 23 funds opening new positions, 43 increasing their positions, 36 reducing their positions, and 23 closing their positions.

New
Increased
Maintained
Reduced
Closed

40% more call options, than puts

Call options by funds: $14.4M | Put options by funds: $10.3M

19% more repeat investments, than reductions

Existing positions increased: 43 | Existing positions reduced: 36

3% more capital invested

Capital invested by funds: $612M → $632M (+$20.8M)

0% more funds holding

Funds holding: 122 → 122 (0)

0% more first-time investments, than exits

New positions opened: 23 | Existing positions closed: 23

Holders
122
Holders Change
–
Holders Change %
0%
% of All Funds
3.53%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
23
Increased
43
Reduced
36
Closed
23
Calls
$14.4M
Puts
$10.3M
Net Calls
+$4.1M
Net Calls Change
+$694K

Top Buyers

Rank Fund Capital Flow
1
WRF
Waddell & Reed Financial
Kansas
+$30M
2
Millennium Management
Millennium Management
New York
+$7.11M
3
BIM
Bogle Investment Management
Massachusetts
+$6.45M
4
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management
California
+$4.48M
5
Neuberger Berman Group
Neuberger Berman Group
New York
+$4.39M

Top Sellers

Rank Fund Capital Flow
1
Fidelity Investments
Fidelity Investments
Massachusetts
-$30.2M
2
CM
Castleark Management
Illinois
-$8.67M
3
RCMC
RK Capital Management (Colorado)
Colorado
-$5.13M
4
SCM
SG Capital Management
Illinois
-$2.97M
5
Renaissance Technologies
Renaissance Technologies
New York
-$1.78M

RMBS Hedge Fund Activity: Q4 2013 in Review

122 of the 3,459 institutional investors tracked by Wall St. Rank reported a position in Rambus (RMBS) for Q4 2013, worth a combined $632M — up 3.4% from $612M a quarter earlier.

Fund positioning in RMBS was balanced in Q4 2013: 23 funds opened new positions, 23 closed out, 43 added to existing stakes and 36 trimmed.

The largest buyer was Waddell & Reed Financial, adding an estimated $30M. The largest seller was Fidelity Investments, cutting an estimated $30.2M.

  • 122 institutional investors held Rambus (RMBS) as of Q4 2013, unchanged from Q3 2013.
  • Funds reported $632M of Rambus stock for Q4 2013, up 3.4% quarter-over-quarter.
  • 23 funds opened new Rambus positions in Q4 2013 and 23 closed out, a net change of 0 holders.
  • The largest Rambus buyer in Q4 2013 was Waddell & Reed Financial, an estimated $30M added.
  • The largest Rambus seller in Q4 2013 was Fidelity Investments, an estimated $30.2M sold.

Based on aggregated 13F filings for Q4 2013.