Barclays’s Glaukos GKOS Stock Holding History

Barclays’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
2022 Q1	–	Sell	-656,600	Closed	-$29.2M	–	5199
2021 Q4	$29.2M	Buy	656,600 +612,600	+1,392%	+$28.3M	0.01%	782
2021 Q3	$2.12M	Buy	+44,000	New	+$2.44M	﹤0.01%	2305
2019 Q3	–	Sell	-55,500	Closed	-$4.18M	–	6847
2019 Q2	$4.18M	Buy	55,500 +43,000	+344%	+$3.09M	﹤0.01%	2037
2019 Q1	$980K	Buy	+12,500	New	+$835K	﹤0.01%	3417
2018 Q4	–	Sell	-65,000	Closed	-$4.22M	–	7071
2018 Q3	$4.22M	Buy	65,000 +38,800	+148%	+$1.9M	﹤0.01%	1992
2018 Q2	$1.06M	Buy	+26,200	New	+$932K	﹤0.01%	3210
2017 Q3	–	Sell	-50,000	Closed	-$2.07M	–	6913
2017 Q2	$2.07M	Hold	50,000	–	–	﹤0.01%	2208
2017 Q1	$2.56M	Buy	+50,000	New	+$2.18M	﹤0.01%	1846

Other funds holding GKOS

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Holocene Advisors New York $41.5B AUM 42.97% 1-Year Est. Return

Barclays's GKOS Position: Q1 2026 in Review

Barclays reduced its Glaukos (GKOS) stake by 85% in Q1 2026, selling an estimated $8.72M and leaving 13,613 shares worth $1.47M. The position accounts for ﹤0.01% of the portfolio, ranked #2531.

Barclays first reported a position in GKOS in Q4 2015 and has held it in 40 quarters since. The position peaked at $37.9M in Q1 2022. 336 funds tracked by Wall St. Rank hold GKOS as of Q1 2026.

Barclays held 13,613 shares of Glaukos worth $1.47M as of Q1 2026.
Barclays sold 77,514 Glaukos shares in Q1 2026, an estimated $8.72M.
Glaukos made up ﹤0.01% of Barclays's portfolio in Q1 2026, its #2531 holding.
Barclays first reported a position in Glaukos in Q4 2015 and has held it in 40 quarters since.
Barclays's Glaukos position peaked at $37.9M in Q1 2022.
336 funds tracked by Wall St. Rank held Glaukos as of Q1 2026.

Based on Barclays's 13F filing for Q1 2026, filed 15 May 2026.