State of Wisconsin Investment Board’s Miami International Holdings MIAX Stock Holding History

State of Wisconsin Investment Board’s Portfolio MIAX Stock Details MIAX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$1.53M	Sell	39,345 -3,211	-8%	-$132K	﹤0.01%	1513
2025 Q4	$1.89M	Buy	+42,556	New	+$1.9M	﹤0.01%	1430

Other funds holding MIAX

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

HKAM

Horizon Kinetics Asset Management New York $9.23B AUM 27.52% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return

State of Wisconsin Investment Board's MIAX Position: Q1 2026 in Review

State of Wisconsin Investment Board reduced its Miami International Holdings (MIAX) stake by 7.5% in Q1 2026, selling an estimated $132K and leaving 39,345 shares worth $1.53M. The position accounts for ﹤0.01% of the portfolio, ranked #1513.

State of Wisconsin Investment Board first reported a position in MIAX in Q4 2025 and has held it in 2 quarters since. The position peaked at $1.89M in Q4 2025. 201 funds tracked by Wall St. Rank hold MIAX as of Q1 2026.

State of Wisconsin Investment Board held 39,345 shares of Miami International Holdings worth $1.53M as of Q1 2026.
State of Wisconsin Investment Board sold 3,211 Miami International Holdings shares in Q1 2026, an estimated $132K.
Miami International Holdings made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #1513 holding.
State of Wisconsin Investment Board first reported a position in Miami International Holdings in Q4 2025 and has held it in 2 quarters since.
State of Wisconsin Investment Board's Miami International Holdings position peaked at $1.89M in Q4 2025.
201 funds tracked by Wall St. Rank held Miami International Holdings as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.