Security key
574795100
MASIMO CORP - Common Stock, par value $0.001 per share (MASI)
CUSIP: 574795100
Q1 2019 13F Holders as of 31 Mar 2019
- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Total 13F shares
- 44,448,873
- Total 13F value
- $6,143,880,819
- Share change
- +600,463
- Put/Call ratio
- 184%
- SEC-reported price per share
- $138.28
- Number of holders
- 397
- Value change
- +$95,355,328
- Number of buys
- 204
- Number of sells
- 166
- Shares outstanding
- 52,065,574
Holder snapshot
7 signals
Show 1 more signal
Security identity
1 source field
Report period
Q1 2019
Institutions
397
Top holders
10
MASI full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2019
Previous quarter: Q4 2018
MASIMO CORP SEC filings
MASIMO CORP company facts
Broader feeds
Reporting periods
Holder history for CUSIP 574795100
Recent filing periods:
Ownership snapshot
Top reported holders of MASI - MASIMO CORP - Common Stock, par value $0.001 per share (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 2018
13F
Lead comparable stake: 14%
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, Inc. leads the comparable SEC ownership view at 14%.
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.
Comparable ownership
Top 5
BlackRock Finance, Inc.
14%
VANGUARD GROUP INC
8.4%
FMR LLC
7.5%
STATE STREET CORP
2.3%
AMERIPRISE FINANCIAL INC
1.7%
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
|
14%
|
$769,548,000
7,167,269 shares
|
— | 31 Dec 2018 |
| VANGUARD GROUP INC |
13F
Company
|
8.4%
|
$467,702,000
4,355,990 shares
|
— | 31 Dec 2018 |
| FMR LLC |
13F
Company
|
7.5%
|
$417,622,000
3,889,562 shares
|
— | 31 Dec 2018 |
| STATE STREET CORP |
13F
Company
|
2.3%
|
$128,697,000
1,198,628 shares
|
— | 31 Dec 2018 |
| AMERIPRISE FINANCIAL INC |
13F
Company
|
1.7%
|
$96,565,000
899,361 shares
|
— | 31 Dec 2018 |
| Champlain Investment Partners, LLC |
13F
Company
|
1.5%
|
$85,751,000
798,650 shares
|
— | 31 Dec 2018 |
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 2019
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
397
Shares
44,448,873
Rows available
397
| 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 2019 vs Q4 2018 Across Filers
Q4 2018 holders
362
Q1 2019 holders
397
Holder diff
35
| Investor | Q4 2018 Shares | Q1 2019 Shares | Share Diff | Share Chg % | Q4 2018 value | Q1 2019 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend