Rossby Financial’s Glaukos GKOS Stock Holding History

Rossby Financial’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	$3.91K	Sell	28 -1	-3%	-$127	﹤0.01%	1526
2026 Q1	$3.27K	Buy	29 +22	+314%	+$2.48K	﹤0.01%	1646
2025 Q4	$790	Buy	7 +3	+75%	+$287	﹤0.01%	1562
2025 Q3	$333	Buy	+4	New	+$367	﹤0.01%	1411

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

Rossby Financial's GKOS Position: Q2 2026 in Review

Rossby Financial reduced its Glaukos (GKOS) stake by 3.4% in Q2 2026, selling an estimated $127 and leaving 28 shares worth $3.91K. The position accounts for ﹤0.01% of the portfolio, ranked #1526.

Rossby Financial first reported a position in GKOS in Q3 2025 and has held it in 4 quarters since. 365 funds tracked by Wall St. Rank hold GKOS as of Q2 2026.

Rossby Financial held 28 shares of Glaukos worth $3.91K as of Q2 2026.
Rossby Financial sold 1 Glaukos share in Q2 2026, an estimated $127.
Glaukos made up ﹤0.01% of Rossby Financial's portfolio in Q2 2026, its #1526 holding.
Rossby Financial first reported a position in Glaukos in Q3 2025 and has held it in 4 quarters since.
365 funds tracked by Wall St. Rank held Glaukos as of Q2 2026.

Based on Rossby Financial's 13F filing for Q2 2026, filed 4 Aug 2026.