GLAUKOS Corp
Total Trades
102
Buys
0
Sells
57
Largest Trade
N/A
Insiders
8
Institutional Funds
271
Inst. Value
$1M+
Activist Filings
21
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Burns Thomas William | CHAIRMAN & CEO | SELL | $100K–$500K | 8K | $60.02 | May 18, 2023 |
| Kliman Gilbert H | Director | SELL | $100K–$500K | 3K | $53.01 | Aug 8, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 271 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| VANGUARD GROUP INC | 5.5M | $1M+ | SH |
| PRIMECAP MANAGEMENT CO/CA/ | 3.4M | $1M+ | SH |
| STATE STREET CORP | 2.1M | $1M+ | SH |
| ALLIANCEBERNSTEIN L.P. | 1.6M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.1M | $1M+ | SH |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1.1M | $1M+ | SH |
| BRAIDWELL LP | 922K | $1M+ | SH |
| Capital World Investors | 851K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 714K | $1M+ | SH |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 673K | $1M+ | SH |
| NORGES BANK | 536K | $1M+ | SH |
| RIVERBRIDGE PARTNERS LLC | 535K | $1M+ | SH |
| Capital International Investors | 512K | $1M+ | SH |
| AustralianSuper Pty Ltd | 450K | $1M+ | SH |
| Champlain Investment Partners, LLC | 333K | $1M+ | SH |
| LOOMIS SAYLES & CO L P | 329K | $1M+ | SH |
| BROWN CAPITAL MANAGEMENT LLC | 327K | $1M+ | SH |
| EVENTIDE ASSET MANAGEMENT, LLC | 289K | $1M+ | SH |
| Sofinnova Investments, Inc. | 288K | $1M+ | SH |
| Rhenman & Partners Asset Management AB | 210K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G · Feb 17, 2026
5.3%
3.0M shares
SC 13G · Feb 11, 2026
5.9%
3.4M shares
Wellington Management Group LLP
SC 13G/A · Feb 10, 2026
0.8%
487K shares
Wellington Management Group LLP
SC 13G · Aug 12, 2025
5.7%
3.2M shares
SC 13G/A · Aug 7, 2025
4.5%
2.6M shares
SC 13G/A · Apr 29, 2025
14.4%
8.2M shares
SC 13G/A · Feb 12, 2025
4.4%
2.6M shares
SC 13G/A · Feb 12, 2025
11.0%
6.1M shares
SC 13G/A · Nov 14, 2024
3.0%
1.6M shares
SC 13G/A · Feb 14, 2024
5.5%
2.7M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
10.7%
5.2M shares
SC 13G/A · Jan 22, 2024
16.2%
7.9M shares
Wellington Management Group LLP
SC 13G/A · Jan 10, 2024
2.8%
1.3M shares
SC 13G · Dec 11, 2023
10.2%
5.0M shares
SC 13G/A · Feb 14, 2023
5.7%
2.8M shares
SC 13G/A · Feb 14, 2023
5.7%
2.7M shares
SC 13G · Jan 31, 2023
16.3%
7.8M shares
SC 13G/A · Feb 14, 2022
5.7%
2.7M shares
SC 13G/A · Feb 14, 2022
6.4%
3.0M shares
SC 13G/A · Jan 28, 2022
15.8%
7.4M shares
Wellington Management Group LLP
SC 13G · Jan 10, 2022
10.5%
4.9M shares