M&A Acquirer Playbook

BIO-RAD LABORATORIES, INC. acquisition history.

Every deal, price, and strategic rationale.

Company BIO-RAD LABORATORIES, INC.
SEC CIK 0000012208
Tracked filings EDGAR · 8-K
Total deals tracked
11
Disclosed 8-K acquisitions, 2007 — present.
Aggregate disclosed value
$1.0B
Over $1.0 billion deployed across 11 disclosed transactions — led by DiaMed (~CHF 477M) and Stilla (~$258M).
Active acquisition years
2007 · 2011 · 2012 · 2013 · 2014 · 2017 · 2020 · 2021 · 2022 · 2025
a focused, build-the-platform cadence rather than high-volume tuck-ins.
Primary sectors
Droplet digital PCR and molecular tools plus clinical diagnostics (DiaMed, AbD Serotec)
QuantaLife, RainDance, Dropworks, Stilla, Celsee, GnuBIO, Curiosity.
Verified 11 deals on this page · sourced from SEC filings
All cross-references covered.

11 deals, $1.0B deployed.

Plotted by close date where disclosed, otherwise announcement. Click any marker to jump to the deal entry.

The rationale that repeats.

Three patterns show up across BIO-RAD LABORATORIES's deal book — what the team buys, how it pays, and how it integrates. The patterns are the throughline; the individual deals below are the evidence.

01
Acquisition criteria

Buying the droplet-digital-PCR platform, piece by piece.

Bio-Rad's ddPCR franchise was assembled through acquisition: QuantaLife (2011) supplied the foundational technology, RainDance (2017) added foundational droplet IP for ultra-sensitive genetic detection, and Dropworks (2021) and Stilla (2025) extended the roadmap into next-generation digital PCR. The repeated rationale is to strengthen Bio-Rad's leadership in droplet digital PCR and open adjacent molecular-testing markets.

Stilla TechnologiesCuriosity Diagnostics sp. z o.o.DropworksCelseeRainDance Technologies
02
Capital deployment

Splitting bets between Life Science research tools and Clinical Diagnostics.

Deals alternate between the two reportable segments — Life Science gains (QuantaLife, Celsee, RainDance, Dropworks, Stilla, AbD Serotec) build research instrumentation and reagents, while Clinical Diagnostics gains (DiaMed, GnuBIO, Curiosity) push into blood typing, sequencing-based diagnostics, and molecular disease testing. The DiaMed acquisition (~CHF 477M) remains the largest and anchored the diagnostics franchise.

Stilla TechnologiesCuriosity Diagnostics sp. z o.o.DropworksCelseeRainDance Technologies
03
Integration approach

Early-stage technology buys carry contingent consideration — and real impairment...

Early-stage technology buys carry contingent consideration — and real impairment risk. Several deals (QuantaLife, GnuBIO, Celsee, Curiosity, Stilla) were structured with milestone-based earnouts because the targets were pre-commercial. That risk has materialized more than once: Bio-Rad fully impaired GnuBIO goodwill and IPR&D in 2016, and in December 2025 impaired the Dropworks IPR&D ($81.7M) and discontinued the Curiosity program ($127.7M charge).

Stilla TechnologiesCuriosity Diagnostics sp. z o.o.DropworksCelseeRainDance Technologies

The full deal book.

11 acquisitions. Click any row to see the deal value, financing structure, target revenue, executive commentary, and the original SEC filing — the evidence behind the patterns above.

End of deal book
11 acquisitions · $1.0B deployed ·2007 — present
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