UBS AM
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UBS AM’s Miami International Holdings MIAX Stock Holding History

UBS AM’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 		$662K Buy
17,824
+4,714
+36% +$211K ﹤0.01% 2466
2026
Q1 		$510K Buy
13,110
+110
+0.8% +$4.53K ﹤0.01% 2547
2025
Q4 		$577K Buy
+13,000
New +$580K ﹤0.01% 2298

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

UBS AM's MIAX Position: Q2 2026 in Review

UBS AM increased its Miami International Holdings (MIAX) stake by 36% in Q2 2026, buying an estimated $211K and bringing the position to 17,824 shares worth $662K. The position accounts for ﹤0.01% of the portfolio, ranked #2466.

UBS AM 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.

  • UBS AM held 17,824 shares of Miami International Holdings worth $662K as of Q2 2026.
  • UBS AM bought 4,714 Miami International Holdings shares in Q2 2026, an estimated $211K.
  • Miami International Holdings made up ﹤0.01% of UBS AM's portfolio in Q2 2026, its #2466 holding.
  • UBS AM 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 UBS AM's 13F filing for Q2 2026, filed 13 Aug 2026.