How many institutions own MIAX stock?

A company's 13F filings with the Securities and Exchange Commission (SEC) provides investors with comprehensive information about institutional ownership in a listed company, a sign of strength in terms of how many institutions have confidence in that company. The number of institutional investors who currently own MIAX shares is 5, representing 19.01% of the company's common stock.

Who are the major shareholders selling MIAMI INTERNATIONAL HOLDINGS, INC. stock?

N/A, in the last quarter, reduced its stake in MIAX by N/A restricting it's holding to - shares of worth nearly -. N/A also lessened N/A of the MIAX shares from its portfolio, reducing its holding to - shares of worth -. N/A also shunned MIAX shares holding by N/A last quarter which brought its holding to - shares worth -.

Investors who are buying MIAX stock?

As per its latest 13F filing, MORGAN STANLEY increased its stake in MIAX by 100% in the last quarter. The institutional holder raised its holding to 520.98 thousand shares having worth more than $20.97M. PRICE T ROWE ASSOCIATES INC /MD/ also added 100% more shares of MIAX to its portfolio, raising its holding to 398.78 thousand shares of worth $16.06M. BLAIR WILLIAM & CO/IL also increased its MIAX shares holding by 100% which brought its holding to 363.77 thousand shares worth $14.65M.

MIAX's major insiders: who are they?

The insider with the most stakes in MIAX is N/A , N/A at the company. Additionally, MIAX stock is highly held by N/A N/A and N/A N/A among others.

Did an insider recently sell MIAX stock?

Company executives, directors, and other insiders own 11.21% percent of MIAMI INTERNATIONAL HOLDINGS, INC.'s stock. Within the last six months, there have been 0 transaction(s) in which MIAX insiders have sold stock, totaling 0 shares. Insiders that have sold shares include .

Which insider recently purchased MIAX stock?

There have been 0 transaction(s) during the past 6-months in which MIAMI INTERNATIONAL HOLDINGS, INC. insiders have bought stock, totalling 0 shares

How much of MIAX does insiders own?

Around 0 MIAMI INTERNATIONAL HOLDINGS, INC. shares are held by insiders, which represents about 11.21% of MIAX stock.

Who is the insider with the largest stake?

MIAX N/A, N/A holds the largest portfolio of the company's shares. MIAX shares owned by N/A total nearly -.

Which institution holds the most shares in MIAX?

MORGAN STANLEY is the largest institutional owner in MIAX which holds 520.98 thousand shares worth $20.97M or 0.74% of the total MIAX shares outstanding followed by PRICE T ROWE ASSOCIATES INC /MD/ with ownership of 398.78 thousand shares representing 0.57% of the MIAX ownership. BLAIR WILLIAM & CO/IL is the third largest stakeholder with 363.77 thousand shares or 0.52% of the ownership worth more than $14.65M.

Is MIAMI INTERNATIONAL HOLDINGS, INC. stock optionable?

Stock options give the owner the ability but not the obligation to buy or sell a security at a predetermined price and date. Stock options can be classified into two types: puts and calls. A put is a bet on falling stock, and a call is a bet on rising stock. As far as the MIAX is concerned, it is a stock which is optionable.

Is there a short position on MIAX's shares?

Number of MIAX shares short is null. Shares short is a market sentiment in which investors have sold their shares short in a given stock but have not yet covered them or closed them out.

About how many outstanding MIAX shares are there?

As of today, null shares of MIAX are outstanding.

Is there many float in MIAX stock?

Float represents the number of tradeable shares in a specific stock. By subtracting restricted and closely-held shares from a firm's total outstanding shares, we can calculate its floating stock. The term "closely-held shares" refers to shares held by employees, major shareholders, and company insiders. At present, MIAX has null shares in float.

MIAX short ratio: what is it?

Short ratio is calculated by dividing the number of short shares, short interest or bets that shareholders will sell short from the average daily volume. A higher ratio indicates longer times needed to repurchase borrowed shares (sold). The short ratio for MIAX is null.

MIAMI INTERNATIONAL HOLDINGS INC (MIAX) insider trading activity: Get Latest News Today

Stock Outstanding Shares

Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.

ShortableYes

OptionableYes

Short Percent Of Outstanding SharesN/A

Short Percent Of FloatN/A

Shares OutstandingN/A

Shares FloatN/A

Shares ShortN/A

Short RatioN/A

N/A

Short % of Float

N/A

Short % of Shares Outstanding

Market Insider

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

11.21% Percentage of Shares held by All Insiders

19.01% Percentage of Shares held by All Institutions

21.41% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

About 19.01% of MIAX shares are held by financial institutions. MORGAN STANLEY is the top corporate investor, holding 520.98K shares valued at $20.97M. A 0.74% stake in MIAMI INTERNATIONAL HOLDINGS, INC. is owned by the company. PRICE T ROWE ASSOCIATES INC /MD/ owns 398.78K shares valued at $16.06M, which translates its holding of 0.57% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Sep 30, 2025	MORGAN STANLEY	0.74%	520.98K	20.97M	520.98K	+100.00%
Sep 30, 2025	PRICE T ROWE ASSOCIATES INC /MD/	0.57%	398.78K	16.06M	398.78K	+100.00%
Sep 30, 2025	BLAIR WILLIAM & CO/IL	0.52%	363.77K	14.65M	363.77K	+100.00%
Sep 30, 2025	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0.42%	297.71K	11.99M	297.71K	+100.00%
Sep 30, 2025	SCHONFELD STRATEGIC ADVISORS LLC	0.31%	217.71K	8.77M	217.71K	+100.00%
Sep 30, 2025	GILLSON CAPITAL LP	0.3%	206.9K	8.33M	206.9K	+100.00%
Sep 30, 2025	ROYAL BANK OF CANADA	0.29%	200K	8.05M	200K	+100.00%
Sep 30, 2025	AMERIPRISE FINANCIAL INC	0.29%	206.28K	8.3M	206.28K	+100.00%
Sep 30, 2025	T. ROWE PRICE INVESTMENT MANAGEMENT, INC.	3.47%	2.43M	97.86M	2.43M	+100.00%
Sep 30, 2025	VANGUARD GROUP INC	1.97%	1.38M	55.66M	1.38M	+100.00%
Sep 30, 2025	ALYESKA INVESTMENT GROUP, L.P.	1.8%	1.27M	50.96M	1.27M	+100.00%
Sep 30, 2025	CITADEL ADVISORS LLC	1.39%	975.05K	39.26M	975.05K	+100.00%
Sep 30, 2025	JPMORGAN CHASE & CO	1.16%	811.71K	32.68M	811.71K	+100.00%
Sep 30, 2025	NORTH REEF CAPITAL MANAGEMENT LP	1.04%	725.8K	29.22M	725.8K	+100.00%
Sep 30, 2025	CALDWELL INVESTMENT MANAGEMENT LTD.	0.95%	663.81K	27.06M	663.81K	+100.00%
Sep 30, 2025	ADAGE CAPITAL PARTNERS GP, L.L.C.	0.9%	631.65K	25.43M	631.65K	+100.00%
Sep 30, 2025	BLACKROCK, INC.	1.01%	707.77K	28.49M	707.77K	+100.00%
Sep 30, 2025	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	0.65%	453.67K	17.68M	453.67K	+100.00%
Sep 30, 2025	VICTORY CAPITAL MANAGEMENT INC	0.43%	302.25K	12.17M	302.25K	+100.00%
Sep 30, 2025	MONASHEE INVESTMENT MANAGEMENT LLC	0.21%	150K	6.04M	150K	+100.00%
Sep 30, 2025	MAD RIVER INVESTORS	0.11%	74.6K	3M	74.6K	+100.00%
Sep 30, 2025	INTRINSIC EDGE CAPITAL MANAGEMENT LLC	0.5%	348.39K	14.03M	348.39K	+100.00%
Sep 30, 2025	SEVEN GRAND MANAGERS, LLC	0.43%	300K	12.08M	300K	+100.00%
Sep 30, 2025	AMERICAN CENTURY COMPANIES INC	0.36%	255.28K	10.28M	255.28K	+100.00%
Sep 30, 2025	FEDERATED HERMES, INC.	0.36%	250K	10.07M	250K	+100.00%
Sep 30, 2025	GOLDMAN SACHS GROUP INC	0.28%	193.19K	7.78M	193.19K	+100.00%
Sep 30, 2025	BANK OF AMERICA CORP /DE/	0.27%	192.64K	7.76M	192.64K	+100.00%
Sep 30, 2025	DRIEHAUS CAPITAL MANAGEMENT LLC	0.27%	191.61K	7.71M	191.61K	+100.00%
Sep 30, 2025	MALTESE CAPITAL MANAGEMENT LLC	0.23%	160K	6.44M	160K	+100.00%
Sep 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.23%	159.39K	6.42M	159.39K	+100.00%
Sep 30, 2025	MILLENNIUM MANAGEMENT LLC	0.23%	158.48K	6.38M	158.48K	+100.00%
Sep 30, 2025	JAIN GLOBAL LLC	0.22%	153.82K	6.19M	153.82K	+100.00%
Sep 30, 2025	BURKEHILL GLOBAL MANAGEMENT, LP	0.21%	150K	6.04M	150K	+100.00%
Sep 30, 2025	FREESTONE GROVE PARTNERS LP	0.18%	125K	5.03M	125K	+100.00%
Sep 30, 2025	LMR PARTNERS LLP	0.16%	109.8K	4.42M	109.8K	+100.00%
Sep 30, 2025	SOROS FUND MANAGEMENT LLC	0.15%	104.26K	4.2M	104.26K	+100.00%
Sep 30, 2025	UNISPHERE ESTABLISHMENT	0.14%	100K	4.03M	100K	+100.00%
Sep 30, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.13%	88.43K	3.56M	88.43K	+100.00%
Sep 30, 2025	COASTAL BRIDGE ADVISORS, LLC	0.11%	76.57K	3.08M	76.57K	+100.00%
Sep 30, 2025	EXODUSPOINT CAPITAL MANAGEMENT, LP	0.08%	54.6K	2.2M	54.6K	+100.00%
Sep 30, 2025	HORIZON KINETICS ASSET MANAGEMENT LLC	1.97%	1.38M	55.66M	1.38M	+100.00%
Sep 30, 2025	GHISALLO CAPITAL MANAGEMENT LLC	0.39%	275K	11.07M	275K	+100.00%
Sep 30, 2025	WOODLINE PARTNERS LP	0.37%	261.11K	10.51M	261.11K	+100.00%
Sep 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.1%	67.9K	2.73M	67.9K	+100.00%
Sep 30, 2025	TD ASSET MANAGEMENT INC	0.09%	63.46K	2.55M	63.46K	+100.00%
Sep 30, 2025	STATE STREET CORP	0.08%	56.45K	2.27M	56.45K	+100.00%
Sep 30, 2025	DELTA GLOBAL MANAGEMENT LP	0.07%	50.5K	2.03M	50.5K	+100.00%
Sep 30, 2025	JANE STREET GROUP, LLC	0.08%	55.4K	2.23B	55.4K	+100.00%
Sep 30, 2025	TWO SIGMA INVESTMENTS, LP	0.07%	50.01K	2.01M	50.01K	+100.00%
Sep 30, 2025	BLACKSTONE INC.	0.07%	50K	2.01M	50K	+100.00%
Sep 30, 2025	HARVEY PARTNERS, LLC	0.07%	50K	2.01M	50K	+100.00%
Sep 30, 2025	TUDOR INVESTMENT CORP ET AL	0.06%	45.53K	1.83M	45.53K	+100.00%
Sep 30, 2025	INTERVAL PARTNERS, LP	0.06%	44.36K	1.79M	44.36K	+100.00%
Sep 30, 2025	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0.06%	42.99K	1.73M	42.99K	+100.00%
Sep 30, 2025	ADVISOR GROUP HOLDINGS, INC.	0.05%	32.75K	1.32M	32.75K	+100.00%
Sep 30, 2025	GRANDEUR PEAK GLOBAL ADVISORS, LLC	0.05%	31.54K	1.27M	31.54K	+100.00%
Sep 30, 2025	NORTHERN TRUST CORP	0.04%	30.07K	1.21M	30.07K	+100.00%
Sep 30, 2025	CAISSE DE DEPOT ET PLACEMENT DU QUEBEC	0.04%	30K	1.21M	30K	+100.00%
Sep 30, 2025	WELLINGTON MANAGEMENT GROUP LLP	0.83%	583.12K	23.48M	583.12K	+100.00%

MIAX Stock Ownership Breakdown