Holocene Advisors’s Glaukos GKOS Stock Holding History

Holocene 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	$212M	Buy	1,514,931 +131,216	+9%	+$16.6M	0.48%	54
2026 Q1	$149M	Buy	1,383,715 +84,421	+6%	+$9.5M	0.36%	75
2025 Q4	$147M	Buy	1,299,294 +752,242	+138%	+$71.9M	0.31%	92
2025 Q3	$44.6M	Sell	547,052 -498,834	-48%	-$45.8M	0.1%	195
2025 Q2	$108M	Buy	1,045,886 +299,118	+40%	+$28.1M	0.26%	102
2025 Q1	$73.5M	Buy	746,768 +437,299	+141%	+$58.3M	0.21%	133
2024 Q4	$46.4M	Buy	+309,469	New	+$42.6M	0.15%	169
2023 Q3	–	Sell	-3,627	Closed	-$258K	–	779
2023 Q2	$258K	Buy	+3,627	New	+$208K	﹤0.01%	690
2022 Q2	–	Sell	-27,762	Closed	-$1.6M	–	892
2022 Q1	$1.6M	Sell	27,762 -28,638	-51%	-$1.52M	0.01%	587
2021 Q4	$2.51M	Buy	56,400 +15,141	+37%	+$699K	0.01%	468
2021 Q3	$1.99M	Buy	+41,259	New	+$2.29M	0.01%	554
2020 Q4	–	Sell	-43,650	Closed	-$2.16M	–	785
2020 Q3	$2.16M	Buy	43,650 +16,032	+58%	+$704K	0.02%	353
2020 Q2	$1.06M	Buy	27,618 +18,600	+206%	+$693K	0.01%	422
2020 Q1	$278K	Buy	+9,018	New	+$463K	﹤0.01%	615
2018 Q4	–	Sell	-7,987	Closed	-$518K	–	712
2018 Q3	$518K	Buy	+7,987	New	+$392K	0.01%	532

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

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

Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

Holocene Advisors's GKOS Position: Q2 2026 in Review

Holocene Advisors increased its Glaukos (GKOS) stake by 9.5% in Q2 2026, buying an estimated $16.6M and bringing the position to 1,514,931 shares worth $212M. The position accounts for 0.48% of the portfolio, ranked #54.

Holocene Advisors first reported a position in GKOS in Q3 2018 and has held it in 15 quarters since. 366 funds tracked by Wall St. Rank hold GKOS as of Q2 2026.

Holocene Advisors held 1,514,931 shares of Glaukos worth $212M as of Q2 2026.
Holocene Advisors bought 131,216 Glaukos shares in Q2 2026, an estimated $16.6M.
Glaukos made up 0.48% of Holocene Advisors's portfolio in Q2 2026, its #54 holding.
Holocene Advisors first reported a position in Glaukos in Q3 2018 and has held it in 15 quarters since.
366 funds tracked by Wall St. Rank held Glaukos as of Q2 2026.

Based on Holocene Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.