Jane Street
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Jane Street’s Glaukos GKOS Stock Holding History

Jane Street’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
-1,900
Closed -$215K – 12082
2025
Q4 		$215K Sell
1,900
-5,700
-75% -$545K ﹤0.01% 9579
2025
Q3 		$620K Sell
7,600
-3,100
-29% -$285K ﹤0.01% 7382
2025
Q2 		$1.11M Sell
10,700
-33,300
-76% -$3.12M ﹤0.01% 5429
2025
Q1 		$4.33M Sell
44,000
-16,100
-27% -$2.15M ﹤0.01% 3147
2024
Q4 		$9.01M Buy
60,100
+53,900
+869% +$7.43M ﹤0.01% 1985
2024
Q3 		$808K Buy
+6,200
New +$772K ﹤0.01% 6298
2024
Q1 		– Sell
-42,700
Closed -$3.39M – 9516
2023
Q4 		$3.39M Buy
42,700
+38,000
+809% +$2.59M ﹤0.01% 3433
2023
Q3 		$354K Buy
+4,700
New +$351K ﹤0.01% 6810
2023
Q2 		– Sell
-12,200
Closed -$611K – 8999
2023
Q1 		$611K Sell
12,200
-400
-3% -$19.4K ﹤0.01% 5980
2022
Q4 		$550K Sell
12,600
-19,900
-61% -$982K ﹤0.01% 5956
2022
Q3 		$1.73M Buy
32,500
+27,400
+537% +$1.41M ﹤0.01% 4443
2022
Q2 		$232K Sell
5,100
-89,500
-95% -$4.25M ﹤0.01% 7988
2022
Q1 		$5.47M Buy
94,600
+62,500
+195% +$3.31M ﹤0.01% 2888
2021
Q4 		$1.43M Sell
32,100
-20,700
-39% -$955K ﹤0.01% 5194
2021
Q3 		$2.54M Buy
52,800
+48,500
+1,128% +$2.69M ﹤0.01% 3988
2021
Q2 		$365K Sell
4,300
-2,800
-39% -$230K ﹤0.01% 7822
2021
Q1 		$596K Buy
7,100
+3,100
+78% +$273K ﹤0.01% 6484
2020
Q4 		$301K Buy
+4,000
New +$253K ﹤0.01% 6414

Other funds holding GKOS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Holocene Advisors
Holocene Advisors New York $41.5B AUM 42.97% 1-Year Est. Return

Jane Street's GKOS Position: Q4 2025 in Review

Jane Street sold out of Glaukos (GKOS) in Q4 2025, closing a stake of 307,183 shares — an estimated $29.3M sold.

Jane Street first reported a position in GKOS in Q3 2015 and held it in 27 quarters. The position peaked at $25.1M in Q3 2025. 332 funds tracked by Wall St. Rank hold GKOS as of Q4 2025.

  • Jane Street reported no remaining Glaukos position as of Q4 2025 after selling out during the quarter.
  • Jane Street sold 307,183 Glaukos shares in Q4 2025, an estimated $29.3M.
  • Jane Street first reported a position in Glaukos in Q3 2015 and held it in 27 quarters.
  • Jane Street's Glaukos position peaked at $25.1M in Q3 2025.
  • 332 funds tracked by Wall St. Rank held Glaukos as of Q4 2025.

Based on Jane Street's 13F filing for Q4 2025, filed 12 Feb 2026.