Miami International Holdings, INC. (MIAX) — SEC Filings
Latest SEC filings for Miami International Holdings, INC.. Recent 8-K filing on Dec 15, 2025. AI-decoded analysis of earnings, risk factors, and insider tr
View Miami International Holdings, INC. on SEC EDGAR
Overview
Miami International Holdings, INC. (MIAX) is a publicly traded company tracked on ReadTheFiling. The most recent enriched filing is a S-1 filed on Dec 9, 2025: Miami International Holdings, Inc. (MIAX) filed an S-1 on December 9, 2025, for the sale of 6,750,000 shares of common stock by existing selling stockholders, with MIAX not receiving any proceeds. The company reported revenues less cost of revenues of $306.0 million for the nine months ended Septemb
Sentiment Summary
Across 10 filings, the sentiment breakdown is: 1 bearish, 8 neutral, 1 mixed. The dominant filing sentiment for Miami International Holdings, INC. is neutral.
Filing Type Overview
Miami International Holdings, INC. (MIAX) has filed 6 8-K, 2 S-1, 1 10-Q, 1 S-1/A with the SEC between Jul 2025 to Dec 2025.
Recent Filings (10)
- 8-K Filing — 8-K · Dec 15, 2025
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MIAX S-1 Reveals $100M Loss Amidst Strategic Shifts, Bloomberg Partnership
— S-1 · Dec 9, 2025 Risk: high
Miami International Holdings, Inc. (MIAX) filed an S-1 on December 9, 2025, for the sale of 6,750,000 shares of common stock by existing selling stockholders, w - 8-K Filing — 8-K · Nov 26, 2025
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MIAX Swings to $100M Loss on Debt Extinguishment, IPO Boosts Equity
— 10-Q · Nov 7, 2025 Risk: medium
MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) reported a significant net loss of $99.973 million for the nine months ended September 30, 2025, a stark contrast to t - 8-K Filing — 8-K · Nov 5, 2025
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Miami International Holdings Reports Director & Officer Changes
— 8-K · Oct 8, 2025 Risk: medium
Miami International Holdings, Inc. filed an 8-K on October 8, 2025, reporting changes related to its board of directors and executive compensation. The filing i -
Miami International Holdings Terminates Material Agreement
— 8-K · Aug 19, 2025 Risk: medium
Miami International Holdings, Inc. filed an 8-K on August 19, 2025, to report the termination of a material definitive agreement. The filing does not specify th -
Miami International Holdings Files 8-K
— 8-K · Aug 15, 2025 Risk: low
Miami International Holdings, Inc. filed an 8-K on August 15, 2025, reporting on unregistered sales of equity securities and other events. The filing details th - S-1/A Filing — S-1/A · Aug 4, 2025
- S-1 Filing — S-1 · Jul 18, 2025
Risk Profile
Risk Assessment: Of MIAX's 5 recent filings, 1 were flagged as high-risk, 3 as medium-risk, and 1 as low-risk. The overall risk profile suggests moderate risk with a balanced mix of positive and cautionary disclosures.
Financial Highlights
Key financial metrics from Miami International Holdings, INC.'s most recent 10-Q filing (Nov 7, 2025):
- Revenue: $994.639M
- Net Income: -$99.973M
- Cash Position: $401.482M
- Total Assets: $1.225B
- Total Debt: $1.511M
Key Executives
- Thomas P. Gallagher
Industry Context
The U.S. options market is highly competitive, characterized by established exchanges and increasing technological innovation. Growth in trading volumes, driven by factors like market volatility and new product development, is a key trend. MIAX operates within this dynamic environment, seeking to differentiate itself through strategic partnerships and proprietary offerings.
Top Tags
Financial Performance (2) · Exchange Operator (2) · S-1 Filing (1) · Secondary Offering (1) · Derivatives Market (1) · Regulatory Risk (1) · Strategic Partnerships (1) · Debt Extinguishment (1) · Initial Public Offering (1) · Revenue Growth (1)
Key Numbers
- Revenues less cost of revenues: $306.0M — For the nine months ended September 30, 2025, up from $275.6 million in 2024.
- Net income (loss): $(100.0)M — For the nine months ended September 30, 2025, a significant decline from $102.0 million in 2024.
- Shares of common stock: 6,750,000 — Offered by selling stockholders, with no proceeds to MIAX.
- Closing price of common stock: $45.56 — On December 8, 2025, on the NYSE.
- Average daily volume in U.S. options: 9.0M — For the nine months ended September 30, 2025, a 38.9% increase from 6.4 million in the same period of 2024.
- Maximum ownership limit: 40% — For any person in any class of MIAX capital stock.
- Maximum voting power limit: 20% — For any person, alone or with related persons.
- Years: 10 — Exclusive license term for Bloomberg Products under the Service Schedule.
- Year: 2026 — Planned launch of futures and cash-settled index options on the B500 Index and B100 Index.
- Net Loss: $99.973M — For nine months ended Sept 30, 2025, a significant swing from $99.095M net income in 2024.
- Loss on Debt Extinguishment: $107.656M — Primary driver of the net loss for the nine months ended Sept 30, 2025.
- Total Revenues: $994.639M — Increased 21.87% for nine months ended Sept 30, 2025, from $816.176M in 2024.
- Transaction and Clearing Fees: $868.257M — Major component of revenue, up from $712.209M for nine months ended Sept 30, 2024.
- Total Cost of Revenues: $688.610M — Increased from $622.237M for nine months ended Sept 30, 2024.
- Liquidity Payments: $606.983M — Largest cost of revenue, up from $525.399M for nine months ended Sept 30, 2024.
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Frequently Asked Questions
What are the latest SEC filings for Miami International Holdings, INC. (MIAX)?
Miami International Holdings, INC. has 10 recent SEC filings from Jul 2025 to Dec 2025, including 6 8-K, 2 S-1, 1 10-Q. Each filing includes an AI-generated plain-English summary.
What is the overall sentiment of MIAX filings?
Across 10 filings, the sentiment breakdown is: 1 bearish, 8 neutral, 1 mixed. The dominant sentiment is neutral.
Where can I find Miami International Holdings, INC. SEC filings explained simply?
ReadTheFiling provides AI-powered plain-English summaries of all Miami International Holdings, INC. (MIAX) SEC filings, including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and insider trades.
What are the key financial highlights for Miami International Holdings, INC.?
Key financial highlights from Miami International Holdings, INC.'s most recent 10-Q include metrics such as revenue, net income, EPS, and debt ratios. Visit the filing detail page for the full breakdown.
What is the investment thesis for MIAX?
The investment thesis for MIAX includes bull, base, and bear case scenarios derived from AI analysis of recent SEC filings.
Who are the key executives at Miami International Holdings, INC.?
Key executives identified across Miami International Holdings, INC.'s filings include Thomas P. Gallagher.
What are the main risk factors for Miami International Holdings, INC. stock?
Of MIAX's 5 assessed filings, 1 were flagged high-risk, 3 medium-risk, and 1 low-risk.
What are recent predictions and forward guidance from Miami International Holdings, INC.?
Forward guidance and predictions for Miami International Holdings, INC. are extracted from SEC filings as they are enriched.