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WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Position in GKOS — GLAUKOS Corp

CIK 1644956 CHICAGO, IL

Position in GKOS

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$92,475,698
-$23,131,655 QoQ
Shares Held
661,675
-38.4% QoQ
Ownership
1.12%
of shares outstanding
% of Portfolio
0.28%
of 13F equity value
Holder Rank
#18
of 364 holders
Holding Since
Dec 2024
7 quarters on record
Voting authority Sole 93% Shared 0% None 7%

Common Shares in GKOS Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Jun 30, 2026

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $352,681,379 across 9 Medical Devices names. GKOS ranks #2 (26.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 GKOS
GLAUKOS Corp
This page
661,675 $92,475,698

All Filings in GKOS

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7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $92,475,698 661,675
2026-03-31 $115,607,353 1,073,819
2025-12-31 $124,982,111 1,106,918
2025-09-30 $89,194,823 1,093,744
2025-06-30 $117,347,252 1,136,095
2025-03-31 $73,351,441 745,290
2024-12-31 $121,389,774 809,589