HP
MIAX

Hound Partners’s Miami International Holdings MIAX Stock Holding History

Hound Partners’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
Q1 		– Sell
-25,000
Closed -$1.11M – 47
2025
Q4 		$1.11M Hold
25,000
– – 0.15% 34
2025
Q3 		$1.01M Buy
+25,000
New +$915K 0.13% 29

Other funds holding MIAX

T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
HKAM
Horizon Kinetics Asset Management New York $8.82B AUM 23.05% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

Hound Partners's MIAX Position: Q1 2026 in Review

Hound Partners sold out of Miami International Holdings (MIAX) in Q1 2026, closing a stake of 25,000 shares — an estimated $1.11M sold.

Hound Partners first reported a position in MIAX in Q3 2025 and held it in 2 quarters. The position peaked at $1.11M in Q4 2025. 202 funds tracked by Wall St. Rank hold MIAX as of Q1 2026.

  • Hound Partners reported no remaining Miami International Holdings position as of Q1 2026 after selling out during the quarter.
  • Hound Partners sold 25,000 Miami International Holdings shares in Q1 2026, an estimated $1.11M.
  • Hound Partners first reported a position in Miami International Holdings in Q3 2025 and held it in 2 quarters.
  • Hound Partners's Miami International Holdings position peaked at $1.11M in Q4 2025.
  • 202 funds tracked by Wall St. Rank held Miami International Holdings as of Q1 2026.

Based on Hound Partners's 13F filing for Q1 2026, filed 15 May 2026.