RAMBUS INC - COMMON STOCK (RMBS)

CUSIP: 750917106

Q4 2014 13F Holders as of 31 Dec 2014

Security identity
Shares outstanding
108,905,290
Holder snapshot
Share change
-26,796
Put/Call ratio
85%
Reported price per share
$11.09
Number of holders
140
Value change
-$2,418,028
Number of buys
61
Number of sells
63

Security key

750917106

Report period

Q4 2014

Institutions

140

Top holders

10

Ownership snapshot

Top reported holders of RMBS - RAMBUS INC - COMMON STOCK (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder
FMR LLC
13D/G signal
Evidence rows
15
Latest as of
30 Sep 2014
13F Lead comparable stake: 10% Showing 1-6 of 15 holder rows.

Rank 1 holder

FMR LLC

13F
Ownership
10%
Position
$137.01M
13F
Holder Evidence Ownership % Position 12M Net Δ As of
FMR LLC
13F
Company
13F
10%
$137,008,000
10,978,200 shares
30 Sep 2014
WADDELL & REED FINANCIAL INC
13F
Company
13F
9.9%
$135,206,000
10,833,806 shares
30 Sep 2014
PRIMECAP MANAGEMENT CO/CA/
13F
Company
13F
7.7%
$104,913,000
8,406,522 shares
30 Sep 2014
VANGUARD GROUP INC
13F
Company
13F
6.4%
$87,317,000
6,996,527 shares
30 Sep 2014
LORD, ABBETT & CO. LLC
13F
Company
13F
3.3%
$44,408,000
3,558,353 shares
30 Sep 2014
KING LUTHER CAPITAL MANAGEMENT CORP
13F
Company
13F
3.2%
$43,907,000
3,518,195 shares
30 Sep 2014
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2014

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
140
Shares
78,255,616
Rows available
140
Investor Option Weight % Change % Reported value * Price Shares Share Change Activity Report Period

* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.

Compare Q4 2014 vs Q3 2014 Across Filers

Q3 2014 holders
134
Q4 2014 holders
140
Holder diff
6
Investor Q3 2014 Shares Q4 2014 Shares Share Diff Share Chg % Q3 2014 value Q4 2014 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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