Deal Flow
Letter · prints on one page
Transaction tear sheetData as of Nov 7, 2026
M&A · Tech · Services-Prepackaged Software

Siemens Industry Software Inc. to acquire Altair Engineering Inc.

Announced Oct 30, 2024 · Closed Mar 26, 2025

Deal value$10.60BEV $10.32B
Premium19.0%To unaffected price
EV / Adj. EBITDA—16.5x EV / Revenue
ConsiderationAll cash$113.00 per share

Transaction

Acquirer
Siemens Industry Software Inc.
Target
Altair Engineering Inc. (ALTR)
Buyer type
Strategic
Offer price per share
$113.00
Enterprise value
$10.32B
Status
Closed Mar 26, 2025

Deal protections

Break fee (target pays)
$372M · 3.5%
Reverse fee (buyer pays)
$638M · 6.0%
Go-shop
No-shop
Financing
No financing condition

Advisors

To the acquirer
Not disclosed
To the target
Citigroup, JPMorgan
Citigroup fee
$63.8M
JPMorgan fee
$63.8M

Sector context · Tech

Comparable deals
57 in the prior 24 months
Premium
19.0% vs. 42.6% sector median
EV / Adj. EBITDA
Sector median 14.7x
Break fee
3.5% vs. 3.0% sector median

Timeline

  1. AnnouncedOct 30, 2024
  2. Proxy filedDec 4, 2024
  3. Definitive proxyDec 18, 2024
  4. Shareholder voteJan 22, 2025
  5. ClosedMar 26, 2025

Valuation · fairness opinions

Trading comparablesCitigroup$55.75$88.45
Trading comparablesCitigroup$57.50$91.15
Precedent transactionsCitigroup$84.25$99.30
Precedent transactionsCitigroup$86.25$101.75
Discounted cash flowCitigroup$48.65$76.15
Trading comparablesJPMorgan$78.00$101.00
Trading comparablesJPMorgan$79.00$102.50
Other analysisJPMorgan$76.00$128.50
Other analysisJPMorgan$77.00$130.00
Discounted cash flowJPMorgan$63.00$109.50
Offer $113.00

Implied value per Altair Engineering Inc. share by analysis, from Citigroup and JPMorgan.

Sources
  • 8-K (EX-99) · Oct 30, 2024
  • 8-K · Oct 30, 2024
  • DEFA14A · Oct 30, 2024
  • DEFA14A · Nov 4, 2024
  • DEFA14A · Nov 7, 2024
  • DEFA14A · Nov 19, 2024

Adj. EBITDA is operating income + D&A + impairment, restructuring, deal costs and stock compensation, less any large gain on a sale, last twelve months, from the target's filings. Calculated by Castle, so it can differ from a bank's adjusted figure.

Prepared with Castle from public SEC EDGAR filings. Figures are extracted automatically; verify against the source documents. Not investment advice.