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GKOS icon

Essex Investment Management’s Glaukos GKOS Stock Holding History

Essex Investment 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 		$65.8K Hold
611
– – 0.01% 247
2025
Q4 		$69K Hold
611
– – 0.01% 242
2025
Q3 		$49.8K Hold
611
– – 0.01% 249
2025
Q2 		$63.1K Hold
611
– – 0.01% 234
2025
Q1 		$60.1K Hold
611
– – 0.01% 239
2024
Q4 		$91.6K Sell
611
-855
-58% -$118K 0.02% 225
2024
Q3 		$191K Hold
1,466
– – 0.03% 192
2024
Q2 		$174K Sell
1,466
-205
-12% -$21.8K 0.03% 193
2024
Q1 		$158K Sell
1,671
-672
-29% -$60K 0.03% 212
2023
Q4 		$186K Sell
2,343
-515
-18% -$35.1K 0.04% 215
2023
Q3 		$215K Sell
2,858
-26
-0.9% -$1.94K 0.04% 261
2023
Q2 		$205K Sell
2,884
-10,829
-79% -$622K 0.03% 278
2023
Q1 		$687K Sell
13,713
-34
-0.2% -$1.65K 0.1% 239
2022
Q4 		$600K Sell
13,747
-38,028
-73% -$1.88M 0.09% 238
2022
Q3 		$2.76M Hold
51,775
– – 0.44% 72
2022
Q2 		$2.35M Sell
51,775
-3,912
-7% -$186K 0.38% 78
2022
Q1 		$3.22M Buy
55,687
+51,175
+1,134% +$2.71M 0.4% 70
2021
Q4 		$201K Buy
4,512
+1,100
+32% +$50.8K 0.02% 308
2021
Q3 		$164K Hold
3,412
– – 0.02% 326
2021
Q2 		$289K Buy
+3,412
New +$280K 0.03% 309
2016
Q3 		– Sell
-21,040
Closed -$614K – 340
2016
Q2 		$614K Buy
+21,040
New +$487K 0.1% 212

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

Essex Investment Management's GKOS Position: Q1 2026 in Review

Essex Investment Management held its Glaukos (GKOS) position steady in Q1 2026 at 611 shares worth $65.8K. The position accounts for 0.01% of the portfolio, ranked #247.

Essex Investment Management first reported a position in GKOS in Q2 2016 and has held it in 21 quarters since. The position peaked at $3.22M in Q1 2022. 336 funds tracked by Wall St. Rank hold GKOS as of Q1 2026.

  • Essex Investment Management held 611 shares of Glaukos worth $65.8K as of Q1 2026.
  • Essex Investment Management left its Glaukos share count unchanged in Q1 2026.
  • Glaukos made up 0.01% of Essex Investment Management's portfolio in Q1 2026, its #247 holding.
  • Essex Investment Management first reported a position in Glaukos in Q2 2016 and has held it in 21 quarters since.
  • Essex Investment Management's Glaukos position peaked at $3.22M in Q1 2022.
  • 336 funds tracked by Wall St. Rank held Glaukos as of Q1 2026.

Based on Essex Investment Management's 13F filing for Q1 2026, filed 11 May 2026.