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 Q2	$16.4K	Sell	117 -748	-86%	-$94.6K	﹤0.01%	3072
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 New York $6.73T AUM 46.02% 1-Year Est. Return

Jupiter Topco New York $245B AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Holocene Advisors New York $44.4B AUM 57.89% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

Harbour Investments's GKOS Position: Q2 2026 in Review

Harbour Investments reduced its Glaukos (GKOS) stake by 86% in Q2 2026, selling an estimated $94.6K and leaving 117 shares worth $16.4K. The position accounts for ﹤0.01% of the portfolio, ranked #3072.

Harbour Investments first reported a position in GKOS in Q1 2021 and has held it in 6 quarters since. The position peaked at $93.1K in Q1 2026. 367 funds tracked by Wall St. Rank hold GKOS as of Q2 2026.

Harbour Investments held 117 shares of Glaukos worth $16.4K as of Q2 2026.
Harbour Investments sold 748 Glaukos shares in Q2 2026, an estimated $94.6K.
Glaukos made up ﹤0.01% of Harbour Investments's portfolio in Q2 2026, its #3072 holding.
Harbour Investments first reported a position in Glaukos in Q1 2021 and has held it in 6 quarters since.
Harbour Investments's Glaukos position peaked at $93.1K in Q1 2026.
367 funds tracked by Wall St. Rank held Glaukos as of Q2 2026.

Based on Harbour Investments's 13F filing for Q2 2026, filed 12 Aug 2026.