Security key
377322102
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 47,326,259
- Total 13F value
- $1,818,308,189
- Share change
- +2,331,401
- Put/Call ratio
- 233%
- SEC-reported price per share
- $38.42
- Number of holders
- 174
- Value change
- +$97,458,392
- Number of buys
- 113
- Number of sells
- 61
- Shares outstanding
- 58,134,728
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
Q2 2020
Institutions
174
Top holders
10
GKOS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2020
Previous quarter: Q1 2020
GLAUKOS Corp SEC filings
GLAUKOS Corp company facts
Broader feeds
Reporting periods
Holder history for CUSIP 377322102
Recent filing periods:
Ownership snapshot
Top reported holders of GKOS - GLAUKOS Corp - 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 Mar 2020
13F
Lead comparable stake: 10%
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, Inc. leads the comparable SEC ownership view at 10%.
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.
10%
BROWN CAPITAL MANAGEMENT LLC
7.9%
VANGUARD GROUP INC
7.5%
BAILLIE GIFFORD & CO
6.3%
FRED ALGER MANAGEMENT, LLC
4.9%
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
|
10%
|
$180,276,000
5,841,785 shares
|
— | 31 Mar 2020 |
| BROWN CAPITAL MANAGEMENT LLC |
13F
Company
|
7.9%
|
$142,109,000
4,604,951 shares
|
— | 31 Mar 2020 |
| VANGUARD GROUP INC |
13F
Company
|
7.5%
|
$133,844,000
4,337,118 shares
|
— | 31 Mar 2020 |
| BAILLIE GIFFORD & CO |
13F
Company
|
6.3%
|
$112,447,000
3,643,752 shares
|
— | 31 Mar 2020 |
| FRED ALGER MANAGEMENT, LLC |
13F
Company
|
4.9%
|
$88,265,000
2,860,172 shares
|
— | 31 Mar 2020 |
| JANUS HENDERSON GROUP PLC |
13F
Company
|
4.1%
|
$73,876,000
2,393,920 shares
|
— | 31 Mar 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 Q2 2020
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
174
Shares
47,326,259
Rows available
174
| 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 Q2 2020 vs Q1 2020 Across Filers
Q1 2020 holders
157
Q2 2020 holders
174
Holder diff
17
| Investor | Q1 2020 Shares | Q2 2020 Shares | Share Diff | Share Chg % | Q1 2020 value | Q2 2020 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend