Miami International Holdings, Inc. (MIAX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

70,128,197Shares Outstanding
38,212,119Shares held by institutions
$1,433,336,584Value of institutional holdings
54.49%Institutional ownership %
50.73%Shares Changed QoQ
161No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Miami International Holdings, Inc. (NYSE:MIAX) is held by 161 institutional investors per 13F filings through December 2025.

199 Institutional Holders

38,212,119 Total Shares Held
Download Data
Owner Name Date Shares Held Change (QoQ) Change (%) Value (USD)
T. Rowe Price Investment Management, Inc. 31 Mar, 2026 4,145,618 609,879 17.25% $161,348.00
HORIZON KINETICS ASSET MANAGEMENT LLC 31 Mar, 2026 3,451,549 1,631,751 89.67% $134,334,287.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP 31 Mar, 2026 3,296,346 11,394 0.35% $128,293,786.00
BlackRock, Inc. 31 Mar, 2026 2,232,680 479,173 27.33% $86,895,907.00
CITADEL ADVISORS LLC 31 Mar, 2026 1,607,780 988,200 159.50% $62,574,797.00
Invesco Ltd. 31 Mar, 2026 1,585,003 306,037 23.93% $61,688,317.00
Alyeska Investment Group, L.P. 31 Mar, 2026 1,447,454 161,368 12.55% $56,334,910.00
VANGUARD CAPITAL MANAGEMENT LLC 31 Mar, 2026 1,414,979 1,414,979 0.00% $55,070,983.00
VANGUARD PORTFOLIO MANAGEMENT LLC 31 Mar, 2026 1,374,946 1,374,946 0.00% $53,512,898.00
ADAGE CAPITAL PARTNERS GP, L.L.C. 31 Mar, 2026 1,246,999 365,670 41.49% $48,533,201.00
Jpmorgan Chase & Co 31 Mar, 2026 1,238,006 423,666 52.03% $46,425,226.00
AMERICAN CENTURY COMPANIES INC 31 Mar, 2026 1,221,485 -226,808 -15.66% $47,540,254.00
Morgan Stanley 31 Mar, 2026 1,146,956 926,077 419.27% $44,639,528.00
Allspring Global Investments Holdings, LLC 31 Mar, 2026 1,112,261 180,208 19.33% $43,789,716.00
North Reef Capital Management LP 31 Mar, 2026 1,014,274 -250,726 -19.82% $39,475,544.00
Ghisallo Capital Management LLC 31 Mar, 2026 1,000,000 442,500 79.37% $38,920,000.00
Bank Of America Corp /De/ 31 Mar, 2026 900,882 597,021 196.48% $35,062,327.00
TWO SIGMA INVESTMENTS, LP 31 Mar, 2026 893,718 753,387 536.86% $34,783,505.00
LORD, ABBETT & CO. LLC 31 Mar, 2026 860,687 201,018 30.47% $33,498.00
GEODE CAPITAL MANAGEMENT, LLC 31 Mar, 2026 779,782 266,985 52.06% $30,355,168.00