Harbor Capital Advisors’s Glaukos GKOS Stock Holding History

Harbor Capital Advisors’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	$2.17M	Sell	15,506 -10,878	-41%	-$1.38M	0.15%	195
2026 Q1	$2.84M	Buy	+26,384	New	+$2.97M	0.23%	113
2025 Q4	–	Sell	-11,621	Closed	-$948K	–	1345
2025 Q3	$948K	Sell	11,621 -27,684	-70%	-$2.54M	0.07%	333
2025 Q2	$4.06M	Buy	39,305 +173	+0.4%	+$16.2K	0.17%	195
2025 Q1	$3.85M	Buy	39,132 +14,593	+59%	+$1.95M	0.18%	185
2024 Q4	$3.68M	Buy	+24,539	New	+$3.38M	0.16%	182
2024 Q1	–	Sell	-27,306	Closed	-$2.17M	–	786
2023 Q4	$2.17M	Buy	27,306 +6,922	+34%	+$472K	0.42%	56
2023 Q3	$1.53M	Buy	20,384 +4,581	+29%	+$342K	0.33%	74
2023 Q2	$1.13M	Buy	+15,803	New	+$907K	0.23%	112

Other funds holding GKOS

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return

VNIM

Vaughan Nelson Investment Management Houston, Texas $11.3B AUM 53% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

Riverbridge Partners Minneapolis, Minnesota $3.58B AUM 4.02% 1-Year Est. Return

CWG

C WorldWide Group Copenhagen, Denmark $4.15B AUM 13.14% 1-Year Est. Return

BCM

Brown Capital Management Baltimore, Maryland $500M AUM 25.3% 1-Year Est. Return

Harbor Capital Advisors's GKOS Position: Q2 2026 in Review

Harbor Capital Advisors reduced its Glaukos (GKOS) stake by 41% in Q2 2026, selling an estimated $1.38M and leaving 15,506 shares worth $2.17M. The position accounts for 0.15% of the portfolio, ranked #195.

Harbor Capital Advisors first reported a position in GKOS in Q2 2023 and has held it in 9 quarters since. The position peaked at $4.06M in Q2 2025. 165 funds tracked by Wall St. Rank hold GKOS as of Q2 2026.

Harbor Capital Advisors held 15,506 shares of Glaukos worth $2.17M as of Q2 2026.
Harbor Capital Advisors sold 10,878 Glaukos shares in Q2 2026, an estimated $1.38M.
Glaukos made up 0.15% of Harbor Capital Advisors's portfolio in Q2 2026, its #195 holding.
Harbor Capital Advisors first reported a position in Glaukos in Q2 2023 and has held it in 9 quarters since.
Harbor Capital Advisors's Glaukos position peaked at $4.06M in Q2 2025.
165 funds tracked by Wall St. Rank held Glaukos as of Q2 2026.

Based on Harbor Capital Advisors's 13F filing for Q2 2026, filed 7 Aug 2026.