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WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Position in GKOS — GLAUKOS Corp

CIK 1644956 CHICAGO, IL

Position in GKOS

as of Mar 31, 2026 · filed May 8, 2026
Position Value
$115,607,353
-$9,374,758 QoQ
Shares Held
1,073,819
-3.0% QoQ
Ownership
1.83%
of shares outstanding
% of Portfolio
0.38%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2024
6 quarters on record
Voting authority Sole 92.28436077215993.ToString("F0")% Shared 0.ToString("F0")% None 7.715639227840073.ToString("F0")%

Common Shares in GKOS Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Mar 31, 2026

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $478,918,515 across 11 Medical Devices names. GKOS ranks #2 (24.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 GKOS
GLAUKOS Corp
This page
1,073,819 $115,607,353

All Filings in GKOS

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6 filing rows on record
Report Date Value (USD) Shares
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