Factbox-Amgen-Horizon deal joins mega mergers facing regulatory heat

May 16, 2023

(Reuters) – A U.S. antitrust regulator said on Tuesday it will sue to stop Amgen’s $27.8 billion deal for Horizon Therapeutics Plc, as it would give Amgen “monopoly positions” in treatments for thyroid eye disease and chronic refractory gout.

Here is a list of some mergers that recently faced strong antitrust scrutiny around the world:



Amgen-Horizon $27.8 The U.S. FTC sued to block Amgen

Therapeutics billion Inc’s $27.8 billion deal to buy

Horizon Therapeutics over

competition concerns in the

thyroid eye disease and gout

treatment markets.

Microsoft – $69 billion The European antitrust body

Activision cleared Microsoft’s purchase of

Blizzard Activision, in a significant

boost that could prompt Chinese

and South Korean regulators to

follow suit despite a British

veto of the deal.

Broadcom – $61 billion The European Commission has

VMware informed Broadcom of its

objection that the deal could

restrict global competition for

the supply of certain adapters by

limiting access for competitors’

hardware to VMware’s software.

Intercontinent $13.1 The U.S. FTC said it would seek

al Exchange – billion to stop the deal as it may lead

Black Knight to higher fees, less innovation

and fewer choices in the

financing process for home


Amazon.com – $1.7 Britain’s competition regulator

iRobot billion launched a “Phase 1” probe into

Amazon.com’s planned acquisition

of iRobot. The deal is also being

reviewed by the U.S. FTC.

Kroger – $25 billion Kroger has asked a U.S. judge to

Albertsons dismiss as “speculative” a

Companies consumer antitrust lawsuit

alleging the merger would lessen

grocer competition and drive up


JetBlue-Spirit $3.8 California and three other states

billion joined the U.S. Justice

Department lawsuit aimed at

preventing JetBlue Airways from

buying rival discount carrier

Spirit Airlines.

Illumina – $7.1 FTC ordered Illumina to divest

Grail billion cancer diagnostic test maker

Grail, finding that its ownership

would stifle competition in the

U.S. market for cancer tests.



Voyager Digital – $1.3 Binance.US called off its deal

Binance.US billion to buy assets of bankrupt

crypto lender Voyager Digital,

citing a “hostile and uncertain

regulatory climate.”

Nvidia Corp – Arm More than SoftBank Group Corp shelved its

$80 blockbuster sale of Arm Ltd to

billion the U.S. chipmaker. The FTC

argued that competition in the

nascent markets for chips in

self-driving cars and a new

category of networking chips

could be hurt.

Penguin Random $2.2 Penguin owner Bertelsmann

House – Simon & billion scrapped the merger in

Schuster November. The Biden

administration said the deal

should be stopped because it

would lead to less competition

for blockbuster books and lower

advances for authors who earn

$250,000 or more.



Rogers C$20 The final nod from Minister of

Communication – billion Innovation, Science and

Shaw Industry Francois-Philippe

Communication Champagne capped two years of

antitrust uncertainty.

Meta Platforms – Unknown The FTC, which lost a fight in

Within court to block the

acquisition, said in a filing

that it has decided to

formally end its effort.

UnitedHealth About $8 The deal’s completion follows

Group – Change billion a U.S. judge denying the

Healthcare Justice department’s bid to

stop it. The DoJ had said

access to the target’s claims

would give UnitedHealth a view

into rivals’ health plans.

(Reporting by Utkarsh Shetti, Roshia Sabu and Pratik Jain in Bengaluru; Editing by Devika Syamnath)


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