Deal Flow
Letter · prints on one page
Transaction tear sheetData as of Nov 7, 2026
M&A · Healthcare · Biological Products, (No Diagnostic Substances)

Pfizer Inc to acquire Seagen Inc.

Announced Mar 13, 2023 · Closed Dec 14, 2023

Deal value$43.00BEV $42.45B
Premium42.0%To unaffected price
EV / Adj. EBITDA—21.6x EV / Revenue
ConsiderationAll cash$229.00 per share

Transaction

Acquirer
Pfizer Inc (PFE)
Target
Seagen Inc.
Buyer type
Strategic
Offer price per share
$229.00
Enterprise value
$42.45B
Status
Closed Dec 14, 2023

Deal protections

Break fee (target pays)
$1.65B · 3.8%
Reverse fee (buyer pays)
$2.22B · 5.2%
Go-shop
No-shop
Financing
No financing condition

Advisors

To the acquirer
Guggenheim
To the target
Centerview
Centerview fee
$88.0M

Sector context · Healthcare

Comparable deals
76 in the prior 24 months
Premium
42.0% vs. 47.3% sector median
EV / Adj. EBITDA
Sector median 21.1x
Break fee
3.8% vs. 3.4% sector median

Timeline

  1. AnnouncedMar 13, 2023
  2. Proxy filedApr 14, 2023
  3. Definitive proxyApr 24, 2023
  4. Shareholder voteMay 30, 2023
  5. ClosedDec 14, 2023

Valuation · fairness opinions

Trading comparables$109.15$131.70
Precedent transactions$111.15$203.65
Discounted cash flow$179.40$231.80
Analyst price targets$141.00$215.00
Precedent transactions$225.90$258.20
Offer $229.00

Implied value per Seagen Inc. share by analysis, from Centerview · DCF discount rate 8.5%–9.5%.

Sources
  • 8-K (EX-99) · Mar 13, 2023
  • 8-K · Mar 13, 2023
  • DEFA14A · Mar 13, 2023
  • DEFA14A · Mar 13, 2023
  • 8-K (EX-99.1) · May 31, 2023

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.