Optiver Holding’s Glaukos GKOS Stock Holding History

Optiver Holding’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	$54.5K	Buy	+390	New	+$49.3K	﹤0.01%	1139
2025 Q4	–	Sell	-46	Closed	-$3.75K	–	2666
2025 Q3	$3.75K	Buy	+46	New	+$4.22K	﹤0.01%	2008

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 40.89% 1-Year Est. Return

Optiver Holding's GKOS Position: Q2 2026 in Review

Optiver Holding opened a new position in Glaukos (GKOS) in Q2 2026: 390 shares worth $54.5K. The stake represents ﹤0.01% of the portfolio and ranks #1139 among its holdings. This is a return to the name: Optiver Holding previously reported a position in GKOS as recently as Q3 2025.

Optiver Holding first reported a position in GKOS in Q3 2025 and has held it in 2 quarters since. 367 funds tracked by Wall St. Rank hold GKOS as of Q2 2026.

Optiver Holding held 390 shares of Glaukos worth $54.5K as of Q2 2026.
Glaukos was a new Optiver Holding position in Q2 2026.
Glaukos made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #1139 holding.
Optiver Holding first reported a position in Glaukos in Q3 2025 and has held it in 2 quarters since.
367 funds tracked by Wall St. Rank held Glaukos as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.