Curated dataset · n=51 verified deals · Not live market data · Scores are descriptive, not forecasts.

Network graph, deal flow, valuation matrix, and acquirer landscape.

GRAIL→Illumina

Acquisition · Cash + Stock · ILMN · announced Sep 21, 2020

View in network
  1. Announced

    Sep 21, 2020

  2. Closed

    Aug 18, 2021

Economics

Cash + Stock()

Pre-deal · pre-deal mark: 2020, year precision · rounding grid ±$100M · Illumina 8-K filing, SEC EDGAR — GRAIL acquisition announcement

$8B cash + stock; GRAIL stockholders also receive tiered revenue-based payments

Target

GRAIL

Precision Medicine · Diagnostic / genomic

HQ Menlo Park, CA · Founded 2016

Multi-cancer early detection via blood-based screening (Galleri test) — uses cfDNA and machine learning to detect 50+ cancer types including breast and ovarian; spun out of Illumina

  • Illumina press release (Sep 21, 2020)
  • SEC EDGAR — Illumina merger filing
  • GRAIL press release (Aug 18, 2021 — completion)

Acquirer

Illumina (ILMN)

Precision Medicine

HQ San Diego, CA

Why this buyer

Curated copy from the verified dataset — not an 8-K LLM summary

Galleri multi-cancer early detection test uses cfDNA to screen for 50+ cancer types including breast and ovarian — TAM estimated at $75B by 2035

Keyed registry citations

Public NCT or CPT URLs attached to this target — not a live name search

  • NCT04241796PATHFINDER — Galleri MCED implementation study
  • NCT05155605PATHFINDER 2 — Galleri MCED confirmatory cohort

Evidence ladder

Dual-source corroborationValue disclosed
  1. Secondary (press / IR)

    Illumina press release (Sep 21, 2020)

  2. Tertiary (trade / analyst)

    SEC merger filing

  3. Tertiary (trade / analyst)

    GRAIL completion announcement (Aug 18, 2021)

  4. Primary (regulatory / filing)

    SEC EDGAR 8-K https://www.sec.gov/Archives/edgar/data/1110803/000095015720001121/ex10-1.htm

    Open source

Limitations

  • $8B cash + stock; GRAIL stockholders also receive tiered revenue-based payments
  • Pre-deal valuation sourced from: Illumina 8-K filing, SEC EDGAR — GRAIL acquisition announcement. Pre-deal market-cap and funding citations do not corroborate the acquisition.

Valuation peers · Precision Medicine

Same sector, same deal type, announced within ±3 years, disclosed value within 0.25×–4× of this transaction. Ranked by evidence class, then same acquirer.

TargetAcquirerAnnouncedValueWhy included
Genomic HealthExact SciencesJul 29, 2019same evidence class
Foundation MedicineRocheJun 19, 2018same evidence class
Varian Medical SystemsSiemens HealthineersAug 2, 2020value band

Same-sector adjacency — not valuation peers

These deals share the sector tag and window but sit outside the 0.25×–4× value band. The dataset keeps them for clinical adjacency, not as price comps.

TargetAcquirerAnnouncedValueVs this deal
SeagenPfizerMar 13, 2023
Flatiron HealthRocheJan 8, 2018

Patient empowerment context

Empowerment context — GRAIL

Curated survey mapping

HLTH/Outcomes4Me 2022 surveyed breast cancer patients (n=1,828). Breast cancer care continuum (HLTH 2022). Rows below are analyst-curated mappings to cited survey items — not live patient outcomes for this target.

  • Presented with clinical trial as treatment option (Company / product site)1 in 5cited HLTH 2022Mapping source →
  • No survivorship care plan after active treatment (Company / product site)54%cited HLTH 2022Mapping source →

Other curated mappings on these gaps: Biotheranostics, Genomic Health, Foundation Medicine, Flatiron Health

Full cited gap matrix →

Related verified workspaces

Lacuna is a curated public-source sample, not a census of women's-health M&A. Coverage varies by sector, geography, disclosure availability, and women's-health scope. Undisclosed transaction values are excluded from disclosed-value totals.

Curated verified dataset v9 · updated 2026-09-20 · 4 citations on this deal · Data compiled from public sources for educational visualization. Verify independently before any commercial use.