Madison Air Solutions' IPO

Q: When does the lock-up end?

Madison Air Solutions' IPO lock-up ends Oct 12, 2026. Its final prospectus says: “.”

Listed Apr 16, 2026 at $27 on NYSE as MAIR.

Offer price

$27

Market cap

$13.2B

82,692,308

Today 15% below its $27 offer price; its first day closed +17.6%.

Breakaway does the work for you: insider and Congress trades, the chart, and the financials, in one score.

See MAIR ranked, live

See it live, free until Wednesday morning. No account. No card. Then keep going with a free account.

From its final prospectus (424B4) on SEC EDGAR, filed Apr 17, 2026.

What does Madison Air Solutions do?

“Madison Air is a leader in the mission-critical indoor air solutions market, powered by differentiated advanced technologies that deliver superior air quality and tangible results: higher productivity, lower energy costs and improved operational performance in the most demanding environments.”

From its final prospectus (424B4), filed Apr 17, 2026

Madison Air Solutions' facts, each with its source
Fact	Madison Air Solutions
Headquarters	Chicago, IllinoisFrom its final prospectus (424B4) of Apr 17, 2026
Website	madisonair.comFrom its final prospectus (424B4) of Apr 17, 2026

What is the offering?

Each figure names the filing it is from and that filing's date. The market cap is Breakaway's arithmetic from the prospectus's share count.

Madison Air Solutions' facts, each with its source
Fact	Madison Air Solutions
Shares offered	82,692,308From the final prospectus (424B4) filed Apr 17, 2026
Offer price	$27 a shareFrom the final prospectus (424B4) filed Apr 17, 2026
Raised at that price	$2.23 billionFrom the final prospectus (424B4) filed Apr 17, 2026
Underwriters' discount	$72.6 millionFrom the final prospectus (424B4) filed Apr 17, 2026
Underwriters' option	12,403,846 more sharesFrom the final prospectus (424B4) filed Apr 17, 2026
Underwriters	Goldman Sachs, Barclays, Jefferies, Wells Fargo, BofA Securities, and Citigroup, and 11 moreFrom the final prospectus (424B4) filed Apr 17, 2026, as its cover names them
Exchange	New York Stock Exchange, as MAIRFrom the final prospectus (424B4) filed Apr 17, 2026
Shares outstanding after	488,864,126From the final prospectus (424B4) filed Apr 17, 2026
Market cap at the offer price	$13.2 billionBreakaway's arithmetic from the prospectus's share count

What the filing says about its money

Madison Air Solutions' facts, each with its source
Fact	Madison Air Solutions
Revenue	$3.30 billion, year to December 31, 2025From its final prospectus (424B4) of Apr 17, 2026, its summary financial data

What risks does Madison Air Solutions name first?

“Our growth may be adversely affected if our target markets decline, underperform or are in a cycle.”
“Our estimate of total addressable market is subject to numerous uncertainties, and if we have overestimated the size of our total addressable market now or in the future, our future growth rate may be limited.”
“Our business depends on key megatrends and exposure to North American home improvement and construction markets.”

The first three of the risks its prospectus summary lists, in the company's words. The rest, and each in full, are in the filing. Read the filing.

Every date of Madison Air Solutions' IPO

Madison Air Solutions' IPO dates, each with its source
What	Day	Source
Registration filedForm S-1, SEC EDGAR	Mar 9, 2026	Form S-1, SEC EDGAR
Declared effective by the SECSEC notice of effectiveness, SEC EDGAR	Apr 15, 2026	SEC notice of effectiveness, SEC EDGAR
Pricedfinal prospectus (424B4), filed Apr 17, SEC EDGAR	Apr 15, 2026	final prospectus (424B4), filed Apr 17, SEC EDGAR
Exchange registration filedexchange registration (Form 8-A), SEC EDGAR	Apr 16, 2026	exchange registration (Form 8-A), SEC EDGAR
First tradeMassive's IPO calendar	Apr 16, 2026	Massive's IPO calendar
Lock-up endsfinal prospectus, SEC EDGAR: “”	Oct 12, 2026	final prospectus, SEC EDGAR: “”

How did its first days trade?

From its daily bars, each close against its $27 offer price.

Madison Air Solutions' first sessions
Day	Open	Close	From the offer
Apr 16	$32	$31.75	+17.6%
Apr 17	$31.28	$32.45	+20.2%
Apr 20	$32	$33.66	+24.7%
Apr 21	$34	$33.80	+25.2%
Apr 22	$34.07	$34.64	+28.3%

What is Madison Air Solutions' Quality Score?

Below Average

134 trading days so far; 2 of the 14 checks wait for more history.

MAIR's page, with every reason behind its score

Tested. Our top-⁠scored stocks returned 2.2x the average stock over the next month. How we tested it

The other IPOs expected

The other IPOs expected or in registration
Company	Price	Market cap	Expected
OPAYNYSE: OPAY · No day yet	$19 to $21	Not yet	No day yetexchange registration Oct 26
Georgia BankingNasdaq: GBC · No day yet	Direct	Not yet	No day yetexchange registration Oct 21
Aspen NeuroscienceNasdaq: ASPE · No day yet	$15 to $17About $465M	$465Mat the midpoint	No day yetterms set Oct 26
Bambusa TherapeuticsNasdaq: BBTX · No day yet	$15 to $17About $796M	$796Mat the midpoint	No day yetterms set Oct 26
BitariNasdaq: BIAI · No day yet	$7About $302M	$302Mat the midpoint	No day yetterms set Oct 26
LIS TechnologiesNasdaq · No day yet	$5 to $7	Not yet	No day yetterms set Oct 26

Madison Air Solutions IPO questions

When is Madison Air Solutions' IPO?

Listed Apr 16, 2026 at $27 on NYSE as MAIR.

What is Madison Air Solutions' IPO price?

Madison Air Solutions' IPO priced at $27 a share, per its final prospectus of Apr 17, 2026.

How many shares is Madison Air Solutions selling?

82,692,308 shares, and the underwriters may buy 12,403,846 more, per its final prospectus (424B4).

Who are the underwriters?

Goldman Sachs, Barclays, Jefferies, Wells Fargo, BofA Securities, Citigroup, Baird, RBC Capital Markets, Guggenheim Securities, Santander, Wolfe | Nomura Alliance, CIBC, Comerica Securities, William Blair, Stifel, Capital One Securities, and PNC Capital Markets, as the prospectus's cover names them.

When does the lock-up end?

Madison Air Solutions' IPO lock-⁠up ends Oct 12, 2026. Its final prospectus says: “.”

Does Breakaway rate Madison Air Solutions?

Madison Air Solutions has a Quality Score of 3 today. The score counts the 14 chart checks and the company's filings; a check that needs more history than a new stock has waits for it.

Can Breakaway say where Madison Air Solutions' price will go?

No. Breakaway does not say where a price will go. Every figure here is from the company's SEC filings, linked on each line.

Where every figure comes from.

Each company's SEC filings on EDGAR, read twice a day: its registration (Form S-1 or F-1), the amendment that sets its price range, and its final prospectus (424B4). The shares, the price, the underwriters, the lock-up, and the company's words are the filing's, linked on each line.
The expected day is Massive's IPO calendar's, the first trade the market data's, and the moves each stock's daily closes against its offer price.
The market cap is Breakaway's arithmetic: the shares the prospectus says will be outstanding after the offering, times the midpoint of the range or the offer price.
The Quality Score is Breakaway's, from a stock's second trading day; for its first 21 sessions it is marked New listing, and each check that needs more history waits for it.
Blank-check companies (SPACs) and unit offerings are left out and counted; a direct listing and a US listing of a company listed abroad are in and marked.

We do the work for you. Every stock is scored and ranked, every 15 seconds while the market is open. Here it's 15 minutes behind. Pro members see it live.

Every new listing, ranked live, free. No account.

See all 16 new listings ranked

See it live, free until Wednesday morning. No account. No card. Then keep going with a free account.

Every IPO expected and listed, and April 2026's listings.