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Harbour Investments’s Glaukos GKOS Stock Holding History

Harbour Investments’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 		$93.1K Buy
865
+102
+13% +$11.5K ﹤0.01% 1988
2025
Q4 		$86.2K Buy
+763
New +$72.9K ﹤0.01% 1713
2021
Q4 		– Sell
-537
Closed -$26K – 3045
2021
Q3 		$26K Sell
537
-6
-1% -$333 ﹤0.01% 2151
2021
Q2 		$46K Sell
543
-101
-16% -$8.29K ﹤0.01% 1866
2021
Q1 		$54K Buy
+644
New +$56.6K ﹤0.01% 1654

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

Harbour Investments's GKOS Position: Q1 2026 in Review

Harbour Investments increased its Glaukos (GKOS) stake by 13% in Q1 2026, buying an estimated $11.5K and bringing the position to 865 shares worth $93.1K. The position accounts for ﹤0.01% of the portfolio, ranked #1988.

Harbour Investments first reported a position in GKOS in Q1 2021 and has held it in 5 quarters since. 336 funds tracked by Wall St. Rank hold GKOS as of Q1 2026.

  • Harbour Investments held 865 shares of Glaukos worth $93.1K as of Q1 2026.
  • Harbour Investments bought 102 Glaukos shares in Q1 2026, an estimated $11.5K.
  • Glaukos made up ﹤0.01% of Harbour Investments's portfolio in Q1 2026, its #1988 holding.
  • Harbour Investments first reported a position in Glaukos in Q1 2021 and has held it in 5 quarters since.
  • 336 funds tracked by Wall St. Rank held Glaukos as of Q1 2026.

Based on Harbour Investments's 13F filing for Q1 2026, filed 15 May 2026.