Congress Asset Management’s Glaukos GKOS Stock Holding History

Congress Asset 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 Q2	–	Sell	-11,644	Closed	-$1.25M	–	393
2026 Q1	$1.25M	Buy	+11,644	New	+$1.31M	0.01%	329
2025 Q1	–	Sell	-1,463	Closed	-$219K	–	384
2024 Q4	$219K	Buy	+1,463	New	+$202K	﹤0.01%	380

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 $3.37T AUM 44.26% 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 40.91% 1-Year Est. Return

Congress Asset Management's GKOS Position: Q2 2026 in Review

Congress Asset Management sold out of Glaukos (GKOS) in Q2 2026, closing a stake of 11,644 shares — an estimated $1.25M sold.

Congress Asset Management first reported a position in GKOS in Q4 2024 and held it in 2 quarters. The position peaked at $1.25M in Q1 2026. 365 funds tracked by Wall St. Rank hold GKOS as of Q2 2026.

Congress Asset Management reported no remaining Glaukos position as of Q2 2026 after selling out during the quarter.
Congress Asset Management sold 11,644 Glaukos shares in Q2 2026, an estimated $1.25M.
Congress Asset Management first reported a position in Glaukos in Q4 2024 and held it in 2 quarters.
Congress Asset Management's Glaukos position peaked at $1.25M in Q1 2026.
365 funds tracked by Wall St. Rank held Glaukos as of Q2 2026.

Based on Congress Asset Management's 13F filing for Q2 2026, filed 7 Jul 2026.