GKOS
GLAUKOS CorpCompany with tickers: GKOS
CIK
1192448
CUSIP
377322102
Shares Outstanding
58,733,911
Price History
Institutional Holders
Short Volume
Short Interest
Fails to Deliver
Financials
SEC Filings
Earnings Calls
Insider Trades
Congressional Trades
Holders: 2
Total Value: $13,452,439
Total Shares: 124,953
Institutional Ownership Trend
Holder Concentration
Across 2 13F filers · Δ vs Dec 31, 2025Top Holder
100.0%
+82.2 pts
Top 5
100.0%
+61.6 pts
Top 10
100.0%
+47.6 pts
HHI
10,000
Highly concentrated
+9,492
Quarterly Activity
vs Dec 31, 2025
New
1
Increased
0
Decreased
0
Sold Out
326
Unchanged
1
Holder count:
-325
Institutional value:
-99.8%
Shares held:
-99.8%
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) |
|---|---|---|
| Mid SEGALL BRYANT & HAMILL, LLC | 124,951 | $13,452,224 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) |
|---|---|---|
| Mega BlackRock, Inc. | 9,164,538 | $1,034,767,977 |
| Mega PRIMECAP MANAGEMENT CO/CA/ | 3,376,928 | $381,288,940 |
| Mega JANUS HENDERSON GROUP PLC | 3,018,787 | $340,851,239 |
| Mega STATE STREET CORP | 2,122,402 | $239,640,409 |
| Mega AMERIPRISE FINANCIAL INC | 2,104,294 | $237,595,833 |
| Holder | Value (USD) | % of 13F | Shares | Activity | Type | Discretion | Filed | Action |
|---|---|---|---|---|---|---|---|---|
| Mid SEGALL BRYANT & HAMILL, LLC | $13,452,224 | 100.00% | 124,951 | First | Shares | Sole | 2026-05-22 | View |
| Small Essential Partners LLC | $215 | 0.00% | 2 | Held | Shares | Sole | 2026-05-21 | View |
| No holders match your search. | ||||||||