Loomis, Sayles & Company
GKOS icon

Loomis, Sayles & Company’s Glaukos GKOS Stock Holding History

Loomis, Sayles & Company’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 		$45.4M Sell
421,240
-26,565
-6% -$2.99M 0.06% 109
2025
Q4 		$50.6M Buy
447,805
+376
+0.1% +$35.9K 0.06% 106
2025
Q3 		$36.5M Sell
447,429
-146,183
-25% -$13.4M 0.04% 148
2025
Q2 		$61.3M Sell
593,612
-46,538
-7% -$4.37M 0.08% 90
2025
Q1 		$63M Sell
640,150
-13,922
-2% -$1.86M 0.09% 85
2024
Q4 		$98.1M Sell
654,072
-19,679
-3% -$2.71M 0.12% 68
2024
Q3 		$87.8M Buy
673,751
+119,527
+22% +$14.9M 0.12% 76
2024
Q2 		$65.6M Buy
554,224
+129,500
+30% +$13.7M 0.09% 88
2024
Q1 		$40M Sell
424,724
-11,533
-3% -$1.03M 0.06% 159
2023
Q4 		$34.7M Buy
+436,257
New +$29.7M 0.05% 172

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

Loomis, Sayles & Company's GKOS Position: Q1 2026 in Review

Loomis, Sayles & Company reduced its Glaukos (GKOS) stake by 5.9% in Q1 2026, selling an estimated $2.99M and leaving 421,240 shares worth $45.4M. The position accounts for 0.06% of the portfolio, ranked #109.

Loomis, Sayles & Company first reported a position in GKOS in Q4 2023 and has held it in 10 quarters since. The position peaked at $98.1M in Q4 2024. 336 funds tracked by Wall St. Rank hold GKOS as of Q1 2026.

  • Loomis, Sayles & Company held 421,240 shares of Glaukos worth $45.4M as of Q1 2026.
  • Loomis, Sayles & Company sold 26,565 Glaukos shares in Q1 2026, an estimated $2.99M.
  • Glaukos made up 0.06% of Loomis, Sayles & Company's portfolio in Q1 2026, its #109 holding.
  • Loomis, Sayles & Company first reported a position in Glaukos in Q4 2023 and has held it in 10 quarters since.
  • Loomis, Sayles & Company's Glaukos position peaked at $98.1M in Q4 2024.
  • 336 funds tracked by Wall St. Rank held Glaukos as of Q1 2026.

Based on Loomis, Sayles & Company's 13F filing for Q1 2026, filed 14 May 2026.