Jane Street
MIAX

Jane Street’s Miami International Holdings MIAX Stock Holding History

Jane Street’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 		$1.12M Buy
+28,700
New +$1.18M ﹤0.01% 6260
2025
Q4 		– Sell
-55,400
Closed -$2.23M – 12914
2025
Q3 		$2.23M Buy
+55,400
New +$2.03M ﹤0.01% 4739

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

Jane Street's MIAX Position: Q1 2026 in Review

Jane Street sold out of Miami International Holdings (MIAX) in Q1 2026, closing a stake of 638,050 shares — an estimated $26.3M sold.

Jane Street first reported a position in MIAX in Q3 2025 and held it in 2 quarters. The position peaked at $28.3M in Q4 2025. 201 funds tracked by Wall St. Rank hold MIAX as of Q1 2026.

  • Jane Street reported no remaining Miami International Holdings position as of Q1 2026 after selling out during the quarter.
  • Jane Street sold 638,050 Miami International Holdings shares in Q1 2026, an estimated $26.3M.
  • Jane Street first reported a position in Miami International Holdings in Q3 2025 and held it in 2 quarters.
  • Jane Street's Miami International Holdings position peaked at $28.3M in Q4 2025.
  • 201 funds tracked by Wall St. Rank held Miami International Holdings as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.