Miami International (MIAX) Institutional Ownership

$35.89 0.00 (-0.01%)

As of 09:41 AM Eastern

Number of Institutional Buyers (last 12 months): 149
Total Institutional Inflows (last 12 months): $1.45B

Number of Institutional Sellers (last 12 months): 19
Total Institutional Outflows (last 12 months): $165.06M

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MIAX Institutional Buying and Selling by Quarter

Miami International Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
9/9/2026	BlueCrest Capital Management Ltd	200,000	$7.43M	0.2%	N/A	0.202%
9/9/2026	Engineers Gate Manager LP	32,087	$1.19M	0.0%	-38.0%	0.032%
9/9/2026	NewEdge Advisors LLC	681,610	$25.33M	0.1%	+1,646.6%	0.687%
9/9/2026	One Charles Private Wealth Services LLC	118,419	$4.40M	1.0%	N/A	0.119%
9/2/2026	Allianz Asset Management GmbH	359,261	$13.35M	0.0%	N/A	0.362%
8/26/2026	HighTower Advisors LLC	112,298	$4.17M	0.0%	+290.6%	0.113%
8/22/2026	J Digital 6 LLC	1,807,234	$67.16M	39.7%	N/A	1.821%
8/20/2026	Grandeur Peak Global Advisors LLC	19,018	$707K	0.2%	+20.6%	0.019%
8/20/2026	Alyeska Investment Group L.P.	848,750	$31.54M	0.1%	-41.4%	0.855%
8/20/2026	Northwestern Mutual Wealth Management Co.	151,179	$5.62M	0.0%	N/A	0.152%
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8/19/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	17,824	$662K	0.0%	+36.0%	0.018%
8/19/2026	Goodwin Investment Advisory	28,025	$1.04M	2.1%	N/A	0.028%
8/19/2026	Wellington Management Group LLP	262,170	$9.74M	0.0%	-41.1%	0.264%
8/18/2026	Grandeur Peak Global Advisors LLC	19,018	$707K	0.1%	N/A	0.019%
8/18/2026	Coastal Bridge Advisors LLC	183,761	$6.83M	0.4%	N/A	0.185%
8/18/2026	Jefferies Financial Group Inc.	10,968	$408K	0.0%	N/A	0.011%
8/17/2026	Philadelphia Financial Management of San Francisco LLC	223,715	$8.31M	1.7%	N/A	0.225%
8/17/2026	Bank of America Corp DE	856,980	$31.85M	0.0%	N/A	0.864%
8/15/2026	Jupiter Topco LLC	8,600	$320K	0.0%	N/A	0.009%
8/14/2026	Canada Pension Plan Investment Board	44,500	$1.65M	0.0%	N/A	0.045%
8/14/2026	Legal & General Group Plc	19,530	$726K	0.0%	N/A	0.020%
8/14/2026	The Manufacturers Life Insurance Company	177,273	$6.59M	0.0%	N/A	0.179%
8/14/2026	Sone Capital Management LLC	138,903	$5.16M	0.4%	N/A	0.140%
8/14/2026	Algert Global LLC	13,150	$489K	0.0%	N/A	0.013%
8/12/2026	Northwestern Mutual Wealth Management Co.	151,179	$5.62M	0.0%	N/A	0.152%
8/11/2026	Caldwell Investment Management Ltd.	600,000	$22.28M	14.6%	N/A	0.632%
8/10/2026	Tocqueville Asset Management L.P.	338,225	$12.57M	0.2%	N/A	0.356%
8/10/2026	one8zero8 LLC	27,965	$1.04M	0.2%	N/A	0.029%
8/7/2026	BlackRock Inc.	5,071,754	$188.47M	0.0%	N/A	5.344%
8/7/2026	Deutsche Bank AG	75,052	$2.79M	0.0%	N/A	0.079%
8/6/2026	Bank of New York Mellon Corp	220,387	$8.19M	0.0%	N/A	0.232%
8/6/2026	Focus Partners Advisor Solutions LLC	136,736	$5.08M	0.0%	N/A	0.144%
8/6/2026	State of Wyoming	9,313	$346K	0.0%	N/A	0.010%
7/10/2026	Handelsbanken Fonder AB	20,000	$743K	0.0%	N/A	0.021%
7/9/2026	Sapient Capital LLC	26,612	$989K	0.0%	N/A	0.027%
7/9/2026	Atlas Brown Inc.	44,906	$1.67M	0.4%	-11.9%	0.047%
7/8/2026	Assenagon Asset Management S.A.	297,832	$11.07M	0.0%	N/A	0.314%
6/3/2026	NewEdge Advisors LLC	39,025	$1.52M	0.0%	N/A	0.041%
5/19/2026	Bank of America Corp DE	900,882	$35.06M	0.0%	+196.5%	0.949%
5/18/2026	Royal Bank of Canada	10,301	$401K	0.0%	+553.2%	0.011%
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5/16/2026	The Manufacturers Life Insurance Company	163,981	$6.38M	0.0%	+11.6%	0.173%
5/16/2026	Quantinno Capital Management LP	55,487	$2.16M	0.0%	N/A	0.058%
5/15/2026	Delta Global Management LP	287,659	$11.20M	0.9%	+3.1%	0.303%
5/15/2026	North Reef Capital Management LP	1,014,274	$39.48M	1.4%	-19.8%	1.069%
5/15/2026	Entropy Technologies LP	40,076	$1.56M	0.1%	N/A	0.042%
5/14/2026	Healthcare of Ontario Pension Plan Trust Fund	240,000	$9.34M	0.0%	+2.5%	0.253%
5/14/2026	Renaissance Technologies LLC	271,500	$10.57M	0.0%	+39.2%	0.286%
5/14/2026	Arrowstreet Capital Limited Partnership	149,904	$5.83M	0.0%	N/A	0.158%
5/14/2026	Sei Investments Co.	526,363	$20.49M	0.0%	+54.7%	0.555%
5/14/2026	Walleye Capital LLC	38,522	$1.50M	0.0%	+307.1%	0.041%
5/14/2026	State of Wyoming	4,542	$177K	0.0%	+664.6%	0.005%
5/7/2026	Swiss National Bank	33,800	$1.32M	0.0%	+6.3%	0.036%
5/6/2026	Allspring Global Investments Holdings LLC	1,112,261	$43.79M	0.1%	+19.3%	1.173%
5/5/2026	Bank of New York Mellon Corp	77,990	$3.04M	0.0%	+29.1%	0.082%
5/1/2026	Fifth Third Bancorp	1,576	$61K	0.0%	N/A	0.002%
4/30/2026	Atlas Wealth Partners LLC	37,707	$1.47M	1.5%	+54.1%	0.041%
4/27/2026	New York State Teachers Retirement System	2,170	$84K	0.0%	N/A	0.002%
4/23/2026	Mad River Investors	81,250	$3.16M	1.1%	+8.3%	0.089%
4/17/2026	Atlas Brown Inc.	50,974	$1.98M	0.6%	N/A	0.056%
4/16/2026	SG Americas Securities LLC	3,537	$138K	0.0%	+48.9%	0.004%
3/3/2026	Caitong International Asset Management Co. Ltd	1,481	$66K	0.0%	N/A	0.002%
2/19/2026	T. Rowe Price Investment Management Inc.	3,025,712	$134.28M	0.1%	+24.5%	3.716%
2/19/2026	Invesco Ltd.	1,278,966	$56.76M	0.0%	+178.8%	1.571%
2/18/2026	Delta Global Management LP	279,029	$12.38M	0.6%	+452.6%	0.343%
2/18/2026	Coastal Bridge Advisors LLC	77,415	$3.44M	0.3%	+1.1%	0.095%
2/18/2026	XTX Topco Ltd	38,390	$1.70M	0.0%	N/A	0.047%
2/18/2026	one8zero8 LLC	58,415	$2.59M	0.6%	N/A	0.072%
2/18/2026	VARCOV Co.	22,389	$994K	0.4%	N/A	0.027%
2/18/2026	Wellington Management Group LLP	616,118	$27.34M	0.0%	+5.7%	0.757%
2/18/2026	Symmetry Investments LP	22,000	$976K	0.1%	N/A	0.027%
2/18/2026	Tudor Investment Corp ET AL	56,006	$2.49M	0.0%	+23.0%	0.069%
2/18/2026	Prana Capital Management LP	17,188	$763K	0.0%	N/A	0.021%
2/18/2026	Quadrature Capital Ltd	31,915	$1.42M	0.0%	N/A	0.039%
2/18/2026	Millennium Management LLC	284,664	$12.63M	0.0%	+79.6%	0.350%
2/18/2026	Janus Henderson Group PLC	8,600	$382K	0.0%	N/A	0.011%
2/18/2026	Element Capital Management LLC	27,855	$1.24M	0.6%	N/A	0.034%
2/18/2026	Armistice Capital LLC	5,947	$264K	0.0%	N/A	0.007%
2/17/2026	Schonfeld Strategic Advisors LLC	100,000	$4.44M	0.0%	-54.1%	0.123%
2/17/2026	Burkehill Global Management LP	290,000	$12.87M	0.8%	+93.3%	0.356%
2/17/2026	Sandia Investment Management LP	13,000	$577K	1.4%	+97.0%	0.016%
2/17/2026	Unisphere Establishment	135,000	$5.99M	0.0%	+35.0%	0.166%
2/17/2026	North Reef Capital Management LP	1,265,000	$56.14M	2.3%	+74.3%	1.553%
2/17/2026	Jump Financial LLC	285,266	$12.66M	0.2%	+1,404.1%	0.350%
2/17/2026	Price T Rowe Associates Inc. MD	130,486	$5.79M	0.0%	-67.3%	0.160%
2/17/2026	T. Rowe Price Investment Management Inc.	510,027	$22.64M	0.0%	-79.0%	0.626%
2/17/2026	Osaic Holdings Inc.	40,222	$1.79M	0.0%	+22.8%	0.049%
2/17/2026	Advisory Services Network LLC	18,050	$801K	0.0%	N/A	0.022%
2/17/2026	Ghisallo Capital Management LLC	557,500	$24.74M	1.1%	+102.7%	0.685%
2/17/2026	Adage Capital Partners GP L.L.C.	881,329	$39.11M	0.1%	+39.5%	1.082%
2/17/2026	California State Teachers Retirement System	16,030	$711K	0.0%	N/A	0.020%
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2/17/2026	Russell Investments Group Ltd.	76,351	$3.39M	0.0%	N/A	0.094%
2/17/2026	State of Wisconsin Investment Board	42,556	$1.89M	0.0%	N/A	0.052%
2/17/2026	Fred Alger Management LLC	15,083	$669K	0.0%	-38.4%	0.019%
2/17/2026	ExodusPoint Capital Management LP	10,970	$487K	0.0%	-62.9%	0.013%
2/17/2026	Royal Bank of Canada	1,577	$69K	0.0%	-99.2%	0.002%
2/17/2026	Blair William & Co. IL	654,845	$29.06M	0.1%	+80.0%	0.804%
2/17/2026	Polar Capital Holdings Plc	123,992	$5.50M	0.0%	N/A	0.152%
2/17/2026	Delta Global Management LP	279,029	$12.38M	0.6%	+452.6%	0.343%
2/17/2026	Maltese Capital Management LLC	38,675	$1.72M	0.3%	-75.8%	0.047%
2/16/2026	Maven Securities LTD	69,920	$3.10M	0.1%	N/A	0.086%

MIAX Institutional Ownership - Frequently Asked Questions

During the previous two years, 153 institutional investors and hedge funds held shares of Miami International. The most heavily invested institutionals were BlackRock Inc. ($188.47M), T. Rowe Price Investment Management Inc. ($134.28M), Vanguard Group Inc. ($85.58M), Horizon Kinetics Asset Management LLC ($80.76M), J Digital 6 LLC ($67.16M), Invesco Ltd. ($56.76M), and Allspring Global Investments Holdings LLC ($43.79M).Learn more on Miami International's institutional investors.

Of the 149 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: BlackRock Inc. ($5.07M), Vanguard Group Inc. ($1.93M), J Digital 6 LLC ($1.81M), Bank of America Corp DE ($1.65M), JPMorgan Chase & Co. ($1.63M), Caldwell Investment Management Ltd. ($1.34M), and Alyeska Investment Group L.P. ($1.29M).

Institutional investors have bought a total of 35,810,137 shares in the last 24 months. This purchase volume represents approximately $1.45B in transactions.

Of the 19 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), Alyeska Investment Group L.P. ($598.70K), Price T Rowe Associates Inc. MD ($268.30K), North Reef Capital Management LP ($250.73K), Royal Bank of Canada ($198.42K), Wellington Management Group LLP ($182.68K), and Maltese Capital Management LLC ($121.33K).

Institutional investors have sold a total of 3,884,880 shares in the last 24 months. This volume of shares sold represents approximately $165.06M in transactions.

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Institutional ownership data for NYSE:MIAX is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.

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Miami International (MIAX) Institutional Ownership

MIAX Institutional Buying and Selling by Quarter

Miami International Major Shareholders & Ownership History

MIAX Institutional Ownership - Frequently Asked Questions

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Miami International (MIAX) Institutional Ownership

Institutional Ownership Changes (13F Filings) for Miami International (NYSE:MIAX)

MIAX Institutional Buying and Selling by Quarter

Miami International Major Shareholders & Ownership History

MIAX Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of MIAX shares?

Which institutional investors have been buying Miami International's stock?

How much institutional buying is happening at Miami International?

Which of Miami International's major shareholders have been selling company stock?

How much institutional selling is happening at Miami International?

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