Vanguard Group
MIAX

Vanguard Group’s Miami International Holdings MIAX Stock Holding History

Vanguard Group’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
2025
Q4 		$85.6M Buy
1,928,286
+545,770
+39% +$24.3M ﹤0.01% 1934
2025
Q3 		$55.7M Buy
+1,382,516
New +$50.6M ﹤0.01% 2108

Other funds holding MIAX

Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
T. Rowe Price Investment Management
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
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
NRCM
North Reef Capital Management Laguna Beach, California $2.91B AUM 11.03% 1-Year Est. Return
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $59.7B AUM 29.08% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return

Vanguard Group's MIAX Position: Q4 2025 in Review

Vanguard Group increased its Miami International Holdings (MIAX) stake by 39% in Q4 2025, buying an estimated $24.3M and bringing the position to 1,928,286 shares worth $85.6M. The position accounts for ﹤0.01% of the portfolio, ranked #1934.

Vanguard Group first reported a position in MIAX in Q3 2025 and has held it in 2 quarters since. 161 funds tracked by Wall St. Rank hold MIAX as of Q4 2025.

  • Vanguard Group held 1,928,286 shares of Miami International Holdings worth $85.6M as of Q4 2025.
  • Vanguard Group bought 545,770 Miami International Holdings shares in Q4 2025, an estimated $24.3M.
  • Miami International Holdings made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #1934 holding.
  • Vanguard Group first reported a position in Miami International Holdings in Q3 2025 and has held it in 2 quarters since.
  • 161 funds tracked by Wall St. Rank held Miami International Holdings as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.