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BLAIR WILLIAM & CO/IL

Position in MIAX — Miami International Holdings, Inc.

CIK 902367 CHICAGO, IL

Position in MIAX

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$65,752,093
+$39,839,897 QoQ
Shares Held
1,769,432
+165.8% QoQ
Ownership
1.78%
of shares outstanding
% of Portfolio
0.20%
of 13F equity value
Holder Rank
#9
of 204 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority Sole 35% Shared 0% None 65%

Common Shares in MIAX Over Time

Shares Held

Position Value (USD)

Position in Capital Markets

Financial Services · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $363,146,817 across 18 Capital Markets names. MIAX ranks #3 (18.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 MIAX
Miami International Holdings, Inc.
This page
1,769,432 $65,752,093

All Filings in MIAX

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4 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $65,752,093 1,769,432
2026-03-31 $25,912,196 665,781
2025-12-31 $29,062,021 654,845
2025-09-30 $14,645,178 363,765