Security key
377322102
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 37,508,465
- Total 13F value
- $1,156,377,946
- Share change
- +2,620,779
- Put/Call ratio
- 65%
- SEC-reported price per share
- $30.83
- Number of holders
- 127
- Value change
- +$88,182,767
- Number of buys
- 66
- Number of sells
- 64
- 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
Q1 2018
Institutions
127
Top holders
10
GKOS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2018
Previous quarter: Q4 2017
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
JANUS HENDERSON GROUP PLC
Disclosed value leader
JANUS HENDERSON GROUP PLC
Comparable rows
15/15
Latest evidence
31 Dec 2017
13F
Lead comparable stake: 8.8%
Showing 1-6 of 15 holder rows.
Quick read
JANUS HENDERSON GROUP PLC leads the comparable SEC ownership view at 8.8%.
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 JANUS HENDERSON GROUP PLC's linked filing trail.
Comparable ownership
Top 5
JANUS HENDERSON GROUP PLC
8.8%
DEERFIELD MANAGEMENT COMPANY, L.P.
5.8%
Capital World Investors
4.7%
PRICE T ROWE ASSOCIATES INC /MD/
4.2%
VANGUARD GROUP INC
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 |
|---|---|---|---|---|---|
| JANUS HENDERSON GROUP PLC |
13F
Company
|
8.8%
|
$130,779,000
5,098,591 shares
|
— | 31 Dec 2017 |
| DEERFIELD MANAGEMENT COMPANY, L.P. |
13F
Company
|
5.8%
|
$85,749,000
3,343,045 shares
|
— | 31 Dec 2017 |
| Capital World Investors |
13F
Company
|
4.7%
|
$70,281,000
2,740,000 shares
|
— | 31 Dec 2017 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
4.2%
|
$63,339,000
2,469,338 shares
|
— | 31 Dec 2017 |
| VANGUARD GROUP INC |
13F
Company
|
4.1%
|
$61,255,000
2,388,105 shares
|
— | 31 Dec 2017 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC |
13F
Company
|
3.4%
|
$50,786,000
1,979,960 shares
|
— | 31 Dec 2017 |
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 2018
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
127
Shares
37,508,465
Rows available
127
| 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 2018 vs Q4 2017 Across Filers
Q4 2017 holders
133
Q1 2018 holders
127
Holder diff
-6
| Investor | Q4 2017 Shares | Q1 2018 Shares | Share Diff | Share Chg % | Q4 2017 value | Q1 2018 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend