HighTower Advisors
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HighTower Advisors’s Miami International Holdings MIAX Stock Holding History

HighTower Advisors’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 		$4.17M Buy
112,298
+83,547
+291% +$3.74M ﹤0.01% 1357
2026
Q1 		$1.12M Buy
28,751
+22,579
+366% +$930K ﹤0.01% 2107
2025
Q4 		$274K Buy
6,172
+997
+19% +$44.5K ﹤0.01% 3117
2025
Q3 		$208K Buy
+5,175
New +$189K ﹤0.01% 3343

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

HighTower Advisors's MIAX Position: Q2 2026 in Review

HighTower Advisors increased its Miami International Holdings (MIAX) stake by 291% in Q2 2026, buying an estimated $3.74M and bringing the position to 112,298 shares worth $4.17M. The position accounts for ﹤0.01% of the portfolio, ranked #1357.

HighTower Advisors 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.

  • HighTower Advisors held 112,298 shares of Miami International Holdings worth $4.17M as of Q2 2026.
  • HighTower Advisors bought 83,547 Miami International Holdings shares in Q2 2026, an estimated $3.74M.
  • Miami International Holdings made up ﹤0.01% of HighTower Advisors's portfolio in Q2 2026, its #1357 holding.
  • HighTower Advisors 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 HighTower Advisors's 13F filing for Q2 2026, filed 5 Aug 2026.