Pharma BD Deal Intelligence

Sigma-Tau Group / Enzon Pharmaceuticals (Specialty Pharma business)

2009 · Acquisition/Merger · $327M · Complete

CALLED IT — OFF BY 10

A $300M rare-disease bolt-on that Sigma-Tau flipped one asset from (Oncaspar) for ~$900M five years later — one of the best-aged small pharma carve-outs on record, though the other three legacy products faded.

Full analysis, sources & comparables →

The coverage arc

Nov 09, 2009 BioSpace / Enzon Bullish

Enzon to sell specialty pharma business to Sigma-Tau for $300M cash plus up to $27M milestones plus 5-10% royalties on incremental sales through 2014.

Jan 29, 2010 Enzon Investor Relations Neutral

Enzon completed the sale to Sigma-Tau in January 2010, receiving $300M at closing with milestone and royalty upside through 2014.

Source summaries from our enrichment pipeline; follow links for originals.

All 4 sources with sentiment breakdown →

$300M cash + up to $27M milestones + 5-10% royalties on incremental sales. Oncaspar, Adagen, DepoCyt, Abelcet. Source: Enzon filings, Pharma Times, C&EN.

Did it work? Outcome assessment

A $300M rare-disease bolt-on that Sigma-Tau flipped one asset from (Oncaspar) for ~$900M five years later — one of the best-aged small pharma carve-outs on record, though the other three legacy products faded.

Strategic verdict
Achieved Stated Rationale

Key facts

Related deals — scored

DealYearValueOutcome
Sigma-Tau Group / Enzon Pharmaceuticals (Specialty Pharma business) (this deal)2009$327M85
Astellas Pharma Inc. / Seagen Inc.2009$4.5B95
Bristol-Myers Squibb Company / Medarex Inc.2009$2.4B92
Johnson & Johnson / Cougar Biotechnology, Inc.2009$970M91
Pfizer Inc. / Wyeth2009$68.0B86
QIAGEN N.V. / DxS Ltd.2009$130M85
Watson Pharmaceuticals (Actavis Inc.) / Arrow Group2009$1.8B85

Compare all 7 side-by-side →

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