Charles Schwab
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Charles Schwab’s Miami International Holdings MIAX Stock Holding History

Charles Schwab’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 		$13.9M Buy
373,541
+136,232
+57% +$6.09M ﹤0.01% 2005
2026
Q1 		$9.24M Buy
237,309
+50,245
+27% +$2.07M ﹤0.01% 2142
2025
Q4 		$8.3M Buy
187,064
+98,630
+112% +$4.4M ﹤0.01% 2224
2025
Q3 		$3.56M Buy
+88,434
New +$3.23M ﹤0.01% 2576

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

Charles Schwab's MIAX Position: Q2 2026 in Review

Charles Schwab increased its Miami International Holdings (MIAX) stake by 57% in Q2 2026, buying an estimated $6.09M and bringing the position to 373,541 shares worth $13.9M. The position accounts for ﹤0.01% of the portfolio, ranked #2005.

Charles Schwab first reported a position in MIAX in Q3 2025 and has held it in 4 quarters since. 206 funds tracked by Wall St. Rank hold MIAX as of Q2 2026.

  • Charles Schwab held 373,541 shares of Miami International Holdings worth $13.9M as of Q2 2026.
  • Charles Schwab bought 136,232 Miami International Holdings shares in Q2 2026, an estimated $6.09M.
  • Miami International Holdings made up ﹤0.01% of Charles Schwab's portfolio in Q2 2026, its #2005 holding.
  • Charles Schwab first reported a position in Miami International Holdings in Q3 2025 and has held it in 4 quarters since.
  • 206 funds tracked by Wall St. Rank held Miami International Holdings as of Q2 2026.

Based on Charles Schwab's 13F filing for Q2 2026, filed 14 Aug 2026.