Russell Investments Group
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Russell Investments Group’s Miami International Holdings MIAX Stock Holding History

Russell Investments 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
2026
Q2 		$664K Sell
17,865
-16,908
-49% -$756K ﹤0.01% 2658
2026
Q1 		$1.35M Sell
34,773
-41,578
-54% -$1.71M ﹤0.01% 2069
2025
Q4 		$3.39M Buy
+76,351
New +$3.41M ﹤0.01% 1561

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

Russell Investments Group's MIAX Position: Q2 2026 in Review

Russell Investments Group reduced its Miami International Holdings (MIAX) stake by 49% in Q2 2026, selling an estimated $756K and leaving 17,865 shares worth $664K. The position accounts for ﹤0.01% of the portfolio, ranked #2658.

Russell Investments Group first reported a position in MIAX in Q4 2025 and has held it in 3 quarters since. The position peaked at $3.39M in Q4 2025. 206 funds tracked by Wall St. Rank hold MIAX as of Q2 2026.

  • Russell Investments Group held 17,865 shares of Miami International Holdings worth $664K as of Q2 2026.
  • Russell Investments Group sold 16,908 Miami International Holdings shares in Q2 2026, an estimated $756K.
  • Miami International Holdings made up ﹤0.01% of Russell Investments Group's portfolio in Q2 2026, its #2658 holding.
  • Russell Investments Group first reported a position in Miami International Holdings in Q4 2025 and has held it in 3 quarters since.
  • Russell Investments Group's Miami International Holdings position peaked at $3.39M in Q4 2025.
  • 206 funds tracked by Wall St. Rank held Miami International Holdings as of Q2 2026.

Based on Russell Investments Group's 13F filing for Q2 2026, filed 6 Aug 2026.