GLAUKOS Corp
GKOS- Exchange
- NYSE
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001192448
In the last 90 days, GLAUKOS Corp insiders filed 0 open-market purchases and 11 sales; 367 institutions reported holding it in 13F filings for Q2 2026, worth $8.44B in total; no superinvestor holds it.
Q1 2023 vs. Q4 2022
How the institutions holding GLAUKOS Corp changed between Q4 2022 and Q1 2023.
All holders in Q1 2023All holders in Q4 2022
| Measure | Q4 2022 | Of which not filed for Q1 2023 | Q1 2023 | Change |
|---|---|---|---|---|
| Holders | 215 | 2 | 203 | −10 |
| Shares | 46.5M | 28.3K | 47.3M | +855.7K (+1.8%) |
| Value | $2.03B | $1.39M | $2.37B | +$341.4M (+16.8%) |
2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so the changes leave them out.
New holders (21)
Institutions that held GLAUKOS Corp at the end of Q1 2023 but not at the end of Q4 2022.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Boothbay Fund Management, LLC | 178,384 | $8.94M | 0.26% |
| UBS Oconnor LLC | 52,738 | $2.64M | 0.06% |
| Twinbeech Capital LP | 37,378 | $1.87M | 0.04% |
| Schroder Investment Management Group | 15,327 | $767.9K | 0.00% |
| Two Sigma Investments, LP | 13,172 | $659.9K | 0.00% |
| HRT Financial LP | 8,495 | $425.0K | 0.01% |
| ETF Managers Group, LLC | 7,637 | $382.6K | 0.01% |
| Marshall Wace, LLP | 6,637 | $332.5K | 0.00% |
| Amundi | 6,733 | $324.3K | 0.00% |
| Bayesian Capital Management, LP | 5,847 | $292.9K | 0.04% |
| Simplex Trading, LLC | 5,638 | $282.0K | 0.01% |
| Afg Fiduciary Services Limited Partnership | 3,747 | $236.0K | 0.22% |
| Centiva Capital, LP | 4,282 | $214.5K | 0.01% |
| Wrapmanager Inc | 4,271 | $214.0K | 0.07% |
| Crossmark Global Holdings, Inc. | 4,197 | $210.0K | 0.00% |
| Group One Trading, L.P. | 3,840 | $192.4K | 0.01% |
| Cutler Group LP | 300 | $15.0K | 0.00% |
| Cape Investment Advisory, Inc. | 200 | $10.0K | 0.01% |
| GPS Wealth Strategies Group, LLC | 181 | $9.07K | 0.00% |
| Massmutual Trust Co FSB | 20 | $1.00K | 0.00% |
| Ronald Blue Trust, Inc. | 22 | $1.00K | 0.00% |
Sold out (31)
Institutions that held GLAUKOS Corp at the end of Q4 2022 and filed for Q1 2023 without it.
Not filed for Q1 2023 yet (2)
Institutions that held GLAUKOS Corp at the end of Q4 2022 and haven't filed a 13F for Q1 2023. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q4 2022 | Value, Q4 2022 |
|---|---|---|
| Comerica Bank | 28,229 | $1.39M |
| Sargent Bickham Lagudis LLC | 100 | $4.37K |