Security key
609839105
MONOLITHIC POWER SYSTEMS INC - Common Stock (MPWR)
CUSIP: 609839105
Q3 2020 13F Holders as of 30 Sep 2020
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 42,417,552
- Total 13F value
- $11,858,147,686
- Share change
- -490,085
- Put/Call ratio
- 92%
- SEC-reported price per share
- $279.61
- Number of holders
- 431
- Value change
- -$118,457,404
- Number of buys
- 218
- Number of sells
- 206
- Shares outstanding
- 48,288,077
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
Q3 2020
Institutions
431
Top holders
10
MPWR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2020
Previous quarter: Q2 2020
MONOLITHIC POWER SYSTEMS INC SEC filings
MONOLITHIC POWER SYSTEMS INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 609839105
Recent filing periods:
Ownership snapshot
Top reported holders of MPWR - MONOLITHIC POWER SYSTEMS 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
30 Jun 2020
13F
Lead comparable stake: 11%
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, 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 BlackRock Finance, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock Finance, Inc.
11%
VANGUARD GROUP INC
8.3%
WELLINGTON MANAGEMENT GROUP LLP
4.2%
FRANKLIN RESOURCES INC
3.8%
WASATCH ADVISORS LP
2.6%
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
|
11%
|
$1,250,073,000
5,274,570 shares
|
— | 30 Jun 2020 |
| VANGUARD GROUP INC |
13F
Company
|
8.3%
|
$950,475,000
4,010,441 shares
|
— | 30 Jun 2020 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
4.2%
|
$475,155,000
2,004,875 shares
|
— | 30 Jun 2020 |
| FRANKLIN RESOURCES INC |
13F
Company
|
3.8%
|
$456,483,000
1,831,350 shares
|
— | 30 Jun 2020 |
| WASATCH ADVISORS LP |
13F
Company
|
2.6%
|
$294,399,000
1,242,189 shares
|
— | 30 Jun 2020 |
| Invesco Ltd. |
13F
Company
|
2.5%
|
$291,123,000
1,228,367 shares
|
— | 30 Jun 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 Q3 2020
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
431
Shares
42,417,552
Rows available
431
| 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 Q3 2020 vs Q2 2020 Across Filers
Q2 2020 holders
397
Q3 2020 holders
431
Holder diff
34
| Investor | Q2 2020 Shares | Q3 2020 Shares | Share Diff | Share Chg % | Q2 2020 value | Q3 2020 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend