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MIAXMIAX
4 quarters

Position history for BLAIR WILLIAM & CO/ILBLAIR WILLIAM & CO/IL's holdings in MIAMI INTERNATIONAL HOLDINGS

BLAIR WILLIAM & CO/IL holds 1.8M shares of MIAX (MIAMI INTERNATIONAL HOLDINGS), worth $65.8M as of 2026-Q2. The position was increased (+165.8% shares). MIAX represents 0.2% of BLAIR WILLIAM & CO/IL's portfolio.

Current Value

$65.8M

Current Shares

1.8M

Total Value Change

+$51.1M

Total Shares Change

+1.4M

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Increased
1.8M
+165.8%
$65.8M0.2%$37.16
57
2026-Q1
Increased
665,781
+1.7%
$25.9M0.1%$42.04
29
2025-Q4
Increased
654,845
+80.0%
$29.1M0.1%$45.68
44
2025-Q3
New
363,765
-
$14.6M0.0%$40.77
39

Other major holders of MIAX: HORIZON KINETICS ASSET MANAGEMENT LLC, BlackRock, Inc., SUSQUEHANNA INTERNATIONAL GROUP, LLP, VANGUARD PORTFOLIO MANAGEMENT LLC

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