Security key
750917106
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 95,752,564
- Total 13F value
- $1,861,230,562
- Share change
- -6,999
- Put/Call ratio
- 116%
- SEC-reported price per share
- $19.44
- Number of holders
- 207
- Value change
- +$2,038,981
- Number of buys
- 83
- Number of sells
- 116
- Shares outstanding
- 108,623,027
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2021
Institutions
207
Top holders
10
RMBS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2021
Previous quarter: Q4 2020
RAMBUS INC SEC filings
RAMBUS INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 750917106
Recent filing periods:
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
BlackRock Finance, Inc.
Disclosed value leader
BlackRock Finance, Inc.
Comparable rows
15/15
Latest evidence
31 Dec 2020
13F
Lead comparable stake: 16%
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, Inc. leads the comparable SEC ownership view at 16%.
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 BlackRock Finance, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock Finance, Inc.
16%
VANGUARD GROUP INC
11%
Lynrock Lake LP
5.1%
AMERIPRISE FINANCIAL INC
4.2%
DIMENSIONAL FUND ADVISORS LP
4.1%
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 |
|---|---|---|---|---|---|
| BlackRock Finance, Inc. |
13F
Company
|
16%
|
$311,910,000
17,864,282 shares
|
— | 31 Dec 2020 |
| VANGUARD GROUP INC |
13F
Company
|
11%
|
$204,356,000
11,704,272 shares
|
— | 31 Dec 2020 |
| Lynrock Lake LP |
13F
Company
|
5.1%
|
$95,939,000
5,494,775 shares
|
— | 31 Dec 2020 |
| AMERIPRISE FINANCIAL INC |
13F
Company
|
4.2%
|
$80,079,000
4,586,494 shares
|
— | 31 Dec 2020 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
4.1%
|
$78,392,000
4,489,789 shares
|
— | 31 Dec 2020 |
| STATE STREET CORP |
13F
Company
|
3.9%
|
$74,464,000
4,264,806 shares
|
— | 31 Dec 2020 |
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 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
207
Shares
95,752,564
Rows available
207
| 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 2021 vs Q4 2020 Across Filers
Q4 2020 holders
212
Q1 2021 holders
207
Holder diff
-5
| Investor | Q4 2020 Shares | Q1 2021 Shares | Share Diff | Share Chg % | Q4 2020 value | Q1 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend