Deal Flow
Letter · prints on one page
Transaction tear sheetData as of Nov 7, 2026
M&A · Healthcare · Pharmaceutical Preparations

Pfizer Inc to acquire Biohaven Pharmaceutical Holding Co Ltd.

Announced May 10, 2022 · Closed Oct 3, 2022

Deal value$11.60BEV $11.01B
Premium78.6%To unaffected price
EV / Adj. EBITDA—14.9x EV / Revenue
ConsiderationAll cash$148.50 per share

Transaction

Acquirer
Pfizer Inc (PFE)
Target
Biohaven Pharmaceutical Holding Co Ltd. (BHVN)
Buyer type
Strategic
Offer price per share
$148.50
Enterprise value
$11.01B
Status
Closed Oct 3, 2022

Deal protections

Break fee (target pays)
$450M · 3.9%
Reverse fee (buyer pays)
—
Go-shop
No-shop
Financing
—

Advisors

To the acquirer
JPMorgan
To the target
Centerview
Centerview fee
$93.0M

Sector context · Healthcare

Comparable deals
42 in the prior 24 months
Premium
78.6% vs. 44.0% sector median
EV / Adj. EBITDA
Sector median 19.3x
Break fee
3.9% vs. 3.4% sector median

Timeline

  1. AnnouncedMay 10, 2022
  2. Proxy filedJul 1, 2022
  3. Definitive proxyAug 30, 2022
  4. Shareholder voteSep 29, 2022
  5. ClosedOct 3, 2022

Valuation · fairness opinions

Trading comparables$83.00$126.00
Precedent transactions$132.00$176.00
Discounted cash flow$139.00$177.00
Analyst price targets$135.00$182.00
Precedent transactions$121.00$137.00
Offer $148.50

Implied value per Biohaven Pharmaceutical Holding Co Ltd. share by analysis, from Centerview · DCF discount rate 9%–12%.

Sources
  • 8-K (EX-99.1) · May 10, 2022
  • 8-K · May 11, 2022

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.