What does CUSIP 750917106 represent in this 13F holders report?

CUSIP 750917106 is the security identifier for RMBS - RAMBUS INC - Common Stock used to aggregate holder disclosures.

How many institutions held RMBS - RAMBUS INC - Common Stock in Q1 2017?

152 institutional investors reported RMBS - RAMBUS INC - Common Stock for Q1 2017. Use the holders table for investor-level position and value details.

RAMBUS INC - Common Stock (RMBS)

CUSIP: 750917106

Q1 2017 13F Holders as of 31 Mar 2017

Security type / class: Equity / Common Stock
Total 13F shares: 89,153,485
Total 13F value: $1,171,427,473
Share change: +13,409,461
Put/Call ratio: 35%
SEC-reported price per share: $13.14
Number of holders: 152
Value change: +$175,878,231
Number of buys: 81
Number of sells: 66
Shares outstanding: 108,228,975

Security key

750917106

Report period

Q1 2017

Institutions

152

Top holders

RMBS full security history Ownership snapshot Full 13F holder table RAMBUS INC SEC filings RAMBUS INC company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

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.

Comparable stake leader

WADDELL & REED FINANCIAL INC

Disclosed value leader

WADDELL & REED FINANCIAL INC

Comparable rows

15/15

Latest evidence

31 Dec 2016

13F Lead comparable stake: 11% Showing 1-6 of 15 holder rows.

Quick read

WADDELL & REED FINANCIAL INC leads the comparable SEC ownership view at 11%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens WADDELL & REED FINANCIAL INC's linked filing trail.

Comparable ownership Top 5

WADDELL & REED FINANCIAL INC 11%

VANGUARD GROUP INC 8.6%

PRIMECAP MANAGEMENT CO/CA/ 8%

BlackRock Fund Advisors 7.9%

PRICE T ROWE ASSOCIATES INC /MD/ 4.4%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
WADDELL & REED FINANCIAL INC	13F Company 13F	11%	$164,215,000 11,925,606 shares	—	31 Dec 2016
VANGUARD GROUP INC	13F Company 13F	8.6%	$128,533,000 9,334,245 shares	—	31 Dec 2016
PRIMECAP MANAGEMENT CO/CA/	13F Company 13F	8%	$119,913,000 8,708,272 shares	—	31 Dec 2016
BlackRock Fund Advisors	13F Company 13F	7.9%	$117,204,000 8,511,580 shares	—	31 Dec 2016
PRICE T ROWE ASSOCIATES INC /MD/	13F Company 13F	4.4%	$65,613,000 4,764,950 shares	—	31 Dec 2016
FMR LLC	13F Company 13F	3.9%	$58,850,000 4,273,800 shares	—	31 Dec 2016

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 Q1 2017

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

Institutions

152

89,153,485

Rows available

152

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-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 did not pass the local price check.

Compare Q1 2017 vs Q1 2017 Across Filers

Q1 2017 holders

152

Q1 2017 holders

152

Holder diff

Investor	Q1 2017 Shares	Q1 2017 Shares	Share Diff	Share Chg %	Q1 2017 value	Q1 2017 value	Value change	Value Chg %