ALISO VIEJO, CA
GLAUKOS CORPGKOS— Latest position per institution from SEC 13F filings
15
Institutional holders
54.06M
Total shares held
5.98B
Estimated value
2.70M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
9.09M
Value
978.63M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
8.04M
Value
951.27M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
6.02M
Value
679.77M
Filed
Dec 31, 2025
JANUS HENDERSON GROUP PLC
CIK 1274173
Shares
5.35M
Value
575.84M
Filed
Mar 31, 2026
PRIMECAP MANAGEMENT CO/CA/
CIK 763212
Shares
3.37M
Value
362.88M
Filed
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
3.21M
Value
345.41M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.51M
Value
270.09M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
2.18M
Value
234.98M
Filed
Mar 31, 2026
AMERIPRISE FINANCIAL INC
CIK 820027
Shares
1.61M
Value
173.42M
Filed
Mar 31, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
1.47M
Value
158.31M
Filed
Mar 31, 2026
ALLIANCEBERNSTEIN L.P.
CIK 1109448
Shares
1.40M
Value
157.80M
Filed
Mar 31, 2026
HOLOCENE ADVISORS, LP
CIK 1700574
Shares
1.38M
Value
148.97M
Filed
Mar 31, 2026
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
1.37M
Value
148.03M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.36M
Value
146.06M
Filed
Mar 31, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
1.23M
Value
132.82M
Filed
Mar 31, 2026
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
CIK 1644956
Shares
1.07M
Value
115.61M
Filed
Mar 31, 2026
CAPITAL WORLD INVESTORS
CIK 1422849
Shares
989.06K
Value
106.48M
Filed
Mar 31, 2026
INVESCO LTD.
CIK 914208
Shares
914.19K
Value
98.42M
Filed
Mar 31, 2026
BRAIDWELL LP
CIK 1920938
Shares
763.50K
Value
82.20M
Filed
Mar 31, 2026
1832 ASSET MANAGEMENT L.P.
CIK 944388
Shares
723.30K
Value
108.45M
Filed
Dec 31, 2024
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 9.09M | 978.63M | Mar 31, 2026 |
| 2 | BLACKROCK FINANCE, INC. | 1364742 | 8.04M | 951.27M | Jun 30, 2024 |
| 3 | VANGUARD GROUP INC | 102909 | 6.02M | 679.77M | Dec 31, 2025 |
| 4 | JANUS HENDERSON GROUP PLC | 1274173 | 5.35M | 575.84M | Mar 31, 2026 |
| 5 | PRIMECAP MANAGEMENT CO/CA/ | 763212 | 3.37M | 362.88M | Mar 31, 2026 |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 3.21M | 345.41M | Mar 31, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.51M | 270.09M | Mar 31, 2026 |
| 8 | STATE STREET CORP | 93751 | 2.18M | 234.98M | Mar 31, 2026 |
| 9 | AMERIPRISE FINANCIAL INC | 820027 | 1.61M | 173.42M | Mar 31, 2026 |
| 10 | CITADEL ADVISORS LLC | 1423053 | 1.47M | 158.31M | Mar 31, 2026 |
| 11 | ALLIANCEBERNSTEIN L.P. | 1109448 | 1.40M | 157.80M | Mar 31, 2026 |
| 12 | HOLOCENE ADVISORS, LP | 1700574 | 1.38M | 148.97M | Mar 31, 2026 |
| 13 | GOLDMAN SACHS GROUP INC | 886982 | 1.37M | 148.03M | Mar 31, 2026 |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.36M | 146.06M | Mar 31, 2026 |
| 15 | MILLENNIUM MANAGEMENT LLC | 1273087 | 1.23M | 132.82M | Mar 31, 2026 |
| 16 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1644956 | 1.07M | 115.61M | Mar 31, 2026 |
| 17 | CAPITAL WORLD INVESTORS | 1422849 | 989.06K | 106.48M | Mar 31, 2026 |
| 18 | INVESCO LTD. | 914208 | 914.19K | 98.42M | Mar 31, 2026 |
| 19 | BRAIDWELL LP | 1920938 | 763.50K | 82.20M | Mar 31, 2026 |
| 20 | 1832 ASSET MANAGEMENT L.P. | 944388 | 723.30K | 108.45M | Dec 31, 2024 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.