HF
MIAX

HRT Financial’s Miami International Holdings MIAX Stock Holding History

HRT Financial’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 		$1.45M Buy
+37,167
New +$1.53M ﹤0.01% 1821
2025
Q4 		– Sell
-5,944
Closed -$239K – 4339
2025
Q3 		$239K Buy
+5,944
New +$217K ﹤0.01% 2322

Other funds holding MIAX

T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
HKAM
Horizon Kinetics Asset Management New York $9.23B AUM 27.52% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return

HRT Financial's MIAX Position: Q1 2026 in Review

HRT Financial opened a new position in Miami International Holdings (MIAX) in Q1 2026: 37,167 shares worth $1.45M. The stake represents ﹤0.01% of the portfolio and ranks #1821 among its holdings. This is a return to the name: HRT Financial previously reported a position in MIAX as recently as Q3 2025.

HRT Financial first reported a position in MIAX in Q3 2025 and has held it in 2 quarters since. 201 funds tracked by Wall St. Rank hold MIAX as of Q1 2026.

  • HRT Financial held 37,167 shares of Miami International Holdings worth $1.45M as of Q1 2026.
  • Miami International Holdings was a new HRT Financial position in Q1 2026.
  • Miami International Holdings made up ﹤0.01% of HRT Financial's portfolio in Q1 2026, its #1821 holding.
  • HRT Financial first reported a position in Miami International Holdings in Q3 2025 and has held it in 2 quarters since.
  • 201 funds tracked by Wall St. Rank held Miami International Holdings as of Q1 2026.

Based on HRT Financial's 13F filing for Q1 2026, filed 14 May 2026.