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Israel Englander’s Glaukos GKOS Stock Holding History

Israel Englander’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
Q2 		$2.8M Buy
+20,000
New +$2.53M ﹤0.01% 3542
2025
Q2 		– Sell
-25,000
Closed -$2.46M – 6028
2025
Q1 		$2.46M Buy
+25,000
New +$3.33M ﹤0.01% 3584
2024
Q4 		– Sell
-51,000
Closed -$6.64M – 6135
2024
Q3 		$6.64M Buy
51,000
+800
+2% +$99.6K ﹤0.01% 2582
2024
Q2 		$5.94M Sell
50,200
-60,600
-55% -$6.43M ﹤0.01% 2560
2024
Q1 		$10.4M Sell
110,800
-265,400
-71% -$23.7M ﹤0.01% 2146
2023
Q4 		$29.9M Buy
376,200
+286,000
+317% +$19.5M 0.01% 1211
2023
Q3 		$6.79M Buy
90,200
+10,200
+13% +$762K ﹤0.01% 2423
2023
Q2 		$5.7M Buy
80,000
+40,000
+100% +$2.3M ﹤0.01% 2562
2023
Q1 		$2M Buy
+40,000
New +$1.94M ﹤0.01% 3442
2017
Q4 		– Sell
-29,400
Closed -$970K – 3890
2017
Q3 		$970K Buy
+29,400
New +$1.12M ﹤0.01% 2529

Other funds holding GKOS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
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
Holocene Advisors
Holocene Advisors New York $44.4B AUM 57.89% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

Israel Englander's GKOS Position: Q2 2026 in Review

Israel Englander increased its Glaukos (GKOS) stake by 35% in Q2 2026, buying an estimated $51.5M and bringing the position to 1,581,016 shares worth $221M. The position accounts for 0.08% of the portfolio, ranked #213.

Israel Englander first reported a position in GKOS in Q2 2015 and has held it in 40 quarters since. 364 funds tracked by Wall St. Rank hold GKOS as of Q2 2026.

  • Israel Englander held 1,581,016 shares of Glaukos worth $221M as of Q2 2026.
  • Israel Englander bought 407,320 Glaukos shares in Q2 2026, an estimated $51.5M.
  • Glaukos made up 0.08% of Israel Englander's portfolio in Q2 2026, its #213 holding.
  • Israel Englander first reported a position in Glaukos in Q2 2015 and has held it in 40 quarters since.
  • 364 funds tracked by Wall St. Rank held Glaukos as of Q2 2026.

Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.