JF
MIAX

Jump Financial’s Miami International Holdings MIAX Stock Holding History

Jump 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 		$738K Sell
18,966
-266,300
-93% -$11M 0.01% 1066
2025
Q4 		$12.7M Buy
285,266
+266,300
+1,404% +$11.9M 0.16% 154
2025
Q3 		$764K Buy
+18,966
New +$694K 0.01% 1127

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

Jump Financial's MIAX Position: Q1 2026 in Review

Jump Financial reduced its Miami International Holdings (MIAX) stake by 93% in Q1 2026, selling an estimated $11M and leaving 18,966 shares worth $738K. The position accounts for 0.01% of the portfolio, ranked #1066.

Jump Financial first reported a position in MIAX in Q3 2025 and has held it in 3 quarters since. The position peaked at $12.7M in Q4 2025. 201 funds tracked by Wall St. Rank hold MIAX as of Q1 2026.

  • Jump Financial held 18,966 shares of Miami International Holdings worth $738K as of Q1 2026.
  • Jump Financial sold 266,300 Miami International Holdings shares in Q1 2026, an estimated $11M.
  • Miami International Holdings made up 0.01% of Jump Financial's portfolio in Q1 2026, its #1066 holding.
  • Jump Financial first reported a position in Miami International Holdings in Q3 2025 and has held it in 3 quarters since.
  • Jump Financial's Miami International Holdings position peaked at $12.7M in Q4 2025.
  • 201 funds tracked by Wall St. Rank held Miami International Holdings as of Q1 2026.

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