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Royce & Associates’s Miami International Holdings MIAX Stock Holding History

Royce & Associates’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
Q2 		$16.8M Buy
452,813
+143,537
+46% +$6.42M 0.14% 251
2026
Q1 		$12M Buy
309,276
+127,810
+70% +$5.27M 0.12% 273
2025
Q4 		$8.05M Buy
+181,466
New +$8.09M 0.08% 374

Other funds holding MIAX

HKAM
Horizon Kinetics Asset Management New York $8.82B AUM 23.05% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
JD6
J Digital 6 Chicago, Illinois $169M AUM 111.5% 1-Year Est. Return
William Blair & Company
William Blair & Company Chicago, Illinois $38.4B AUM 25.71% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return

Royce & Associates's MIAX Position: Q2 2026 in Review

Royce & Associates increased its Miami International Holdings (MIAX) stake by 46% in Q2 2026, buying an estimated $6.42M and bringing the position to 452,813 shares worth $16.8M. The position accounts for 0.14% of the portfolio, ranked #251.

Royce & Associates first reported a position in MIAX in Q4 2025 and has held it in 3 quarters since. 206 funds tracked by Wall St. Rank hold MIAX as of Q2 2026.

  • Royce & Associates held 452,813 shares of Miami International Holdings worth $16.8M as of Q2 2026.
  • Royce & Associates bought 143,537 Miami International Holdings shares in Q2 2026, an estimated $6.42M.
  • Miami International Holdings made up 0.14% of Royce & Associates's portfolio in Q2 2026, its #251 holding.
  • Royce & Associates first reported a position in Miami International Holdings in Q4 2025 and has held it in 3 quarters since.
  • 206 funds tracked by Wall St. Rank held Miami International Holdings as of Q2 2026.

Based on Royce & Associates's 13F filing for Q2 2026, filed 14 Aug 2026.