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Miami International (MIAX) Institutional Ownership

Miami International logo
$42.78 +1.11 (+2.66%)
Closing price 07/24/2026 03:59 PM Eastern
Extended Trading
$42.82 +0.04 (+0.10%)
As of 07/24/2026 07:34 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Miami International (NYSE:MIAX)

Number of
Institutional Buyers
(last 12 months)
134
Total
Institutional Inflows
(last 12 months)
$1.01B
Number of
Institutional Sellers
(last 12 months)
16
Total
Institutional Outflows
(last 12 months)
$135.30M
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MIAX Institutional Buying and Selling by Quarter

Miami International Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
7/10/2026 Handelsbanken Fonder AB20,000$743K0.0%N/A0.021%
7/9/2026 Sapient Capital LLC26,612$989K0.0%N/A0.028%
7/9/2026 Atlas Brown Inc.44,906$1.67M0.4%-11.9%0.047%
7/8/2026 Assenagon Asset Management S.A.297,832$11.07M0.0%N/A0.314%
6/3/2026NewEdge Advisors LLC39,025$1.52M0.0%N/A0.041%
5/19/2026Bank of America Corp DE900,882$35.06M0.0%+196.5%0.949%
5/18/2026Royal Bank of Canada10,301$401K0.0%+553.2%0.011%
5/16/2026The Manufacturers Life Insurance Company 163,981$6.38M0.0%+11.6%0.173%
5/16/2026Quantinno Capital Management LP55,487$2.16M0.0%N/A0.058%
5/15/2026Delta Global Management LP287,659$11.20M0.9%+3.1%0.303%
5/15/2026North Reef Capital Management LP1,014,274$39.48M1.4%-19.8%1.069%
5/15/2026Entropy Technologies LP40,076$1.56M0.1%N/A0.042%
5/14/2026Healthcare of Ontario Pension Plan Trust Fund240,000$9.34M0.0%+2.5%0.253%
5/14/2026Renaissance Technologies LLC271,500$10.57M0.0%+39.2%0.286%
5/14/2026Arrowstreet Capital Limited Partnership149,904$5.83M0.0%N/A0.158%
5/14/2026Sei Investments Co.526,363$20.49M0.0%+54.7%0.555%
5/14/2026Walleye Capital LLC38,522$1.50M0.0%+307.1%0.041%
5/14/2026State of Wyoming4,542$177K0.0%+664.6%0.005%
5/7/2026Swiss National Bank33,800$1.32M0.0%+6.3%0.036%
5/6/2026Allspring Global Investments Holdings LLC1,112,261$43.79M0.1%+19.3%1.173%
5/5/2026Bank of New York Mellon Corp77,990$3.04M0.0%+29.1%0.082%
5/1/2026Fifth Third Bancorp1,576$61K0.0%N/A0.002%
4/30/2026Atlas Wealth Partners LLC37,707$1.47M1.5%+54.1%0.041%
4/27/2026 New York State Teachers Retirement System2,170$84K0.0%N/A0.002%
4/23/2026Mad River Investors81,250$3.16M1.1%+8.3%0.089%
4/17/2026 Atlas Brown Inc.50,974$1.98M0.6%N/A0.056%
4/16/2026SG Americas Securities LLC3,537$138K0.0%+48.9%0.004%
3/3/2026Caitong International Asset Management Co. Ltd1,481$66K0.0%N/A0.002%
2/19/2026T. Rowe Price Investment Management Inc.3,025,712$134.28M0.1%+24.5%3.716%
2/19/2026Invesco Ltd.1,278,966$56.76M0.0%+178.8%1.571%
2/18/2026Delta Global Management LP279,029$12.38M0.6%+452.6%0.343%
2/18/2026Coastal Bridge Advisors LLC77,415$3.44M0.3%+1.1%0.095%
2/18/2026XTX Topco Ltd38,390$1.70M0.0%N/A0.047%
2/18/2026one8zero8 LLC58,415$2.59M0.6%N/A0.072%
2/18/2026VARCOV Co.22,389$994K0.4%N/A0.027%
2/18/2026Wellington Management Group LLP616,118$27.34M0.0%+5.7%0.757%
2/18/2026Symmetry Investments LP22,000$976K0.1%N/A0.027%
2/18/2026Tudor Investment Corp ET AL56,006$2.49M0.0%+23.0%0.069%
2/18/2026Prana Capital Management LP17,188$763K0.0%N/A0.021%
2/18/2026Quadrature Capital Ltd31,915$1.42M0.0%N/A0.039%
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2/18/2026Millennium Management LLC284,664$12.63M0.0%+79.6%0.350%
2/18/2026Janus Henderson Group PLC8,600$382K0.0%N/A0.011%
2/18/2026Element Capital Management LLC27,855$1.24M0.6%N/A0.034%
2/18/2026Armistice Capital LLC5,947$264K0.0%N/A0.007%
2/17/2026Schonfeld Strategic Advisors LLC100,000$4.44M0.0%-54.1%0.123%
2/17/2026Burkehill Global Management LP290,000$12.87M0.8%+93.3%0.356%
2/17/2026Sandia Investment Management LP13,000$577K1.4%+97.0%0.016%
2/17/2026Unisphere Establishment135,000$5.99M0.0%+35.0%0.166%
2/17/2026North Reef Capital Management LP1,265,000$56.14M2.3%+74.3%1.553%
2/17/2026Jump Financial LLC285,266$12.66M0.2%+1,404.1%0.350%
2/17/2026Price T Rowe Associates Inc. MD130,486$5.79M0.0%-67.3%0.160%
2/17/2026T. Rowe Price Investment Management Inc.510,027$22.64M0.0%-79.0%0.626%
2/17/2026Osaic Holdings Inc.40,222$1.79M0.0%+22.8%0.049%
2/17/2026Advisory Services Network LLC18,050$801K0.0%N/A0.022%
2/17/2026Ghisallo Capital Management LLC557,500$24.74M1.1%+102.7%0.685%
2/17/2026Adage Capital Partners GP L.L.C.881,329$39.11M0.1%+39.5%1.082%
2/17/2026California State Teachers Retirement System16,030$711K0.0%N/A0.020%
2/17/2026Russell Investments Group Ltd.76,351$3.39M0.0%N/A0.094%
2/17/2026State of Wisconsin Investment Board42,556$1.89M0.0%N/A0.052%
2/17/2026Fred Alger Management LLC15,083$669K0.0%-38.4%0.019%
2/17/2026ExodusPoint Capital Management LP10,970$487K0.0%-62.9%0.013%
2/17/2026Royal Bank of Canada1,577$69K0.0%-99.2%0.002%
2/17/2026Blair William & Co. IL654,845$29.06M0.1%+80.0%0.804%
2/17/2026Polar Capital Holdings Plc123,992$5.50M0.0%N/A0.152%
2/17/2026Delta Global Management LP279,029$12.38M0.6%+452.6%0.343%
2/17/2026Maltese Capital Management LLC38,675$1.72M0.3%-75.8%0.047%
2/16/2026Maven Securities LTD69,920$3.10M0.1%N/A0.086%
2/16/2026Healthcare of Ontario Pension Plan Trust Fund234,244$10.40M0.0%+17.1%0.288%
2/16/2026Barclays PLC57,104$2.53M0.0%+259.1%0.070%
2/16/2026Bullseye Asset Management LLC26,711$1.19M0.6%N/A0.033%
2/13/2026The Manufacturers Life Insurance Company 146,944$6.52M0.0%+241.8%0.180%
2/13/2026Quinn Opportunity Partners LLC88,512$3.93M0.2%-45.6%0.109%
2/13/2026Soros Fund Management LLC154,560$6.86M0.1%+48.2%0.190%
2/13/2026Walleye Capital LLC9,463$420K0.0%-44.8%0.012%
2/13/2026Stifel Financial Corp4,750$211K0.0%N/A0.006%
2/13/2026Hudson Bay Capital Management LP101,552$4.51M0.0%+146.8%0.125%
2/13/2026First Trust Advisors LP21,671$962K0.0%+3.5%0.027%
2/13/2026Alyeska Investment Group L.P.1,286,086$57.08M0.2%+1.6%1.579%
2/13/2026Charles Schwab Investment Management Inc.187,064$8.30M0.0%+111.5%0.230%
2/13/2026 Police & Firemen s Retirement System of New Jersey5,948$264K0.0%N/A0.007%
2/13/2026State Street Corp576,385$25.58M0.0%+921.1%0.708%
2/13/2026Caitong International Asset Management Co. Ltd1,737$77K0.2%N/A0.002%
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC13,000$577K0.0%N/A0.016%
2/13/2026Wells Fargo & Company MN35,590$1.58M0.0%+912.8%0.044%
2/13/2026Lord Abbett & CO. LLC659,669$29.28M0.1%+120.5%0.810%
2/12/2026MetLife Investment Management LLC13,183$585K0.0%N/A0.016%
2/12/2026Tocqueville Asset Management L.P.220,775$9.80M0.1%-4.3%0.271%
2/12/2026Renaissance Technologies LLC195,099$8.66M0.0%N/A0.240%
2/12/2026Federated Hermes Inc.200,000$8.88M0.0%-20.0%0.246%
2/12/2026New York State Common Retirement Fund162,191$7.20M0.0%N/A0.199%
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2/12/2026Swiss National Bank31,800$1.41M0.0%N/A0.039%
2/12/2026Monashee Investment Management LLC175,000$7.77M4.4%+16.7%0.215%
2/12/2026Nuveen LLC39,115$1.74M0.0%N/A0.048%
2/11/2026Deutsche Bank AG16,243$721K0.0%N/A0.020%
2/11/2026Caldwell Investment Management Ltd.738,810$33.73M20.6%+11.3%0.907%
2/11/2026Axiom Investors LLC DE243,174$10.79M0.1%N/A0.299%
2/11/2026Horizon Kinetics Asset Management LLC1,819,798$80.76M1.1%+31.6%2.235%
2/11/2026Franklin Resources Inc.427,154$18.96M0.0%-1.2%0.525%
2/11/2026JPMorgan Chase & Co.814,340$36.14M0.0%+0.3%1.000%
2/11/2026State of Wyoming594$26K0.0%N/A0.001%


MIAX Institutional Ownership - Frequently Asked Questions

During the previous two years, 137 institutional investors and hedge funds held shares of Miami International. The most heavily invested institutionals were T. Rowe Price Investment Management Inc. ($134.28M), Vanguard Group Inc. ($85.58M), Horizon Kinetics Asset Management LLC ($80.76M), Alyeska Investment Group L.P. ($57.08M), Invesco Ltd. ($56.76M), Allspring Global Investments Holdings LLC ($43.79M), and North Reef Capital Management LP ($39.48M).Learn more on Miami International's institutional investors.

Of the 134 institutional investors that purchased Miami International's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Vanguard Group Inc. ($1.93M), JPMorgan Chase & Co. ($1.63M), Alyeska Investment Group L.P. ($1.29M), Invesco Ltd. ($1.28M), North Reef Capital Management LP ($1.27M), Allspring Global Investments Holdings LLC ($1.11M), and Bank of America Corp DE ($789.66K).

Institutional investors have bought a total of 24,084,917 shares in the last 24 months. This purchase volume represents approximately $1.01B in transactions.

Of the 16 institutional investors that sold Miami International's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: T. Rowe Price Investment Management Inc. ($1.92M), Price T Rowe Associates Inc. MD ($268.30K), North Reef Capital Management LP ($250.73K), Royal Bank of Canada ($198.42K), Maltese Capital Management LLC ($121.33K), Schonfeld Strategic Advisors LLC ($117.71K), and Quinn Opportunity Partners LLC ($74.14K).

Institutional investors have sold a total of 3,083,846 shares in the last 24 months. This volume of shares sold represents approximately $135.30M in transactions.


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This page (NYSE:MIAX) was last updated on 7/25/2026 by MarketBeat.com Staff.
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