Mariner
GKOS icon

Mariner’s Glaukos GKOS Stock Holding History

Mariner’s Portfolio GKOS Stock Details GKOS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-5,960
Closed -$673K – 3662
2025
Q4 		$673K Buy
5,960
+1,369
+30% +$131K ﹤0.01% 2244
2025
Q3 		$374K Sell
4,591
-1,381
-23% -$127K ﹤0.01% 2634
2025
Q2 		$617K Buy
5,972
+403
+7% +$37.8K ﹤0.01% 2175
2025
Q1 		$548K Sell
5,569
-680
-11% -$90.7K ﹤0.01% 2138
2024
Q4 		$937K Sell
6,249
-783
-11% -$108K ﹤0.01% 1710
2024
Q3 		$916K Buy
7,032
+259
+4% +$32.2K ﹤0.01% 1681
2024
Q2 		$802K Buy
6,773
+340
+5% +$36.1K ﹤0.01% 1665
2024
Q1 		$607K Buy
6,433
+102
+2% +$9.11K ﹤0.01% 1877
2023
Q4 		$503K Buy
6,331
+113
+2% +$7.71K ﹤0.01% 1928
2023
Q3 		$468K Buy
6,218
+411
+7% +$30.7K ﹤0.01% 1823
2023
Q2 		$414K Buy
5,807
+183
+3% +$10.5K ﹤0.01% 1882
2023
Q1 		$282K Sell
5,624
-22
-0.4% -$1.07K ﹤0.01% 2123
2022
Q4 		$247K Sell
5,646
-372
-6% -$18.3K ﹤0.01% 2189
2022
Q3 		$320K Buy
+6,018
New +$311K ﹤0.01% 1728

Other funds holding GKOS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return
Holocene Advisors
Holocene Advisors New York $44.4B AUM 57.89% 1-Year Est. Return

Mariner's GKOS Position: Q1 2026 in Review

Mariner sold out of Glaukos (GKOS) in Q1 2026, closing a stake of 5,960 shares — an estimated $673K sold.

Mariner first reported a position in GKOS in Q3 2022 and held it in 14 quarters. The position peaked at $937K in Q4 2024. 336 funds tracked by Wall St. Rank hold GKOS as of Q1 2026.

  • Mariner reported no remaining Glaukos position as of Q1 2026 after selling out during the quarter.
  • Mariner sold 5,960 Glaukos shares in Q1 2026, an estimated $673K.
  • Mariner first reported a position in Glaukos in Q3 2022 and held it in 14 quarters.
  • Mariner's Glaukos position peaked at $937K in Q4 2024.
  • 336 funds tracked by Wall St. Rank held Glaukos as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.