Twin Tree Management
GKOS icon

Twin Tree Management’s Glaukos GKOS Stock Holding History

Twin Tree Management’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
-1,070
Closed -$120K – 1446
2025
Q4 		$121K Buy
1,070
+1,027
+2,388% +$98.1K ﹤0.01% 1282
2025
Q3 		$3.51K Sell
43
-17,983
-100% -$1.65M ﹤0.01% 1402
2025
Q2 		$1.86M Buy
18,026
+13,827
+329% +$1.3M ﹤0.01% 1270
2025
Q1 		$413K Sell
4,199
-31,114
-88% -$4.15M ﹤0.01% 1349
2024
Q4 		$5.29M Buy
35,313
+32,432
+1,126% +$4.47M 0.01% 910
2024
Q3 		$375K Buy
+2,881
New +$359K ﹤0.01% 1323
2019
Q4 		– Sell
-98
Closed -$6K – 1315
2019
Q3 		$6K Buy
+98
New +$6.9K ﹤0.01% 1119
2019
Q2 		– Sell
-99
Closed -$8K – 1357
2019
Q1 		$8K Buy
+99
New +$6.61K ﹤0.01% 1184

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

Twin Tree Management's GKOS Position: Q1 2026 in Review

Twin Tree Management sold out of Glaukos (GKOS) in Q1 2026, closing a stake of 1,070 shares — an estimated $120K sold.

Twin Tree Management first reported a position in GKOS in Q1 2019 and held it in 8 quarters. The position peaked at $5.29M in Q4 2024. 336 funds tracked by Wall St. Rank hold GKOS as of Q1 2026.

  • Twin Tree Management reported no remaining Glaukos position as of Q1 2026 after selling out during the quarter.
  • Twin Tree Management sold 1,070 Glaukos shares in Q1 2026, an estimated $120K.
  • Twin Tree Management first reported a position in Glaukos in Q1 2019 and held it in 8 quarters.
  • Twin Tree Management's Glaukos position peaked at $5.29M in Q4 2024.
  • 336 funds tracked by Wall St. Rank held Glaukos as of Q1 2026.

Based on Twin Tree Management's 13F filing for Q1 2026, filed 14 May 2026.