When was Horizon Therapeutics founded?

Horizon Therapeutics was founded in 2008 and raised its 1st funding round within a year of its incorporation.

Where is Horizon Therapeutics located?

Horizon Therapeutics is headquartered in Dublin, Ireland. It is registered at Lake Forest, Illinois.

How many employees does Horizon Therapeutics have?

As of May 31, 2026, the latest employee count at Horizon Therapeutics is 2716.

Is Horizon Therapeutics a funded company?

Horizon Therapeutics is a funded company, having raised a total of $61.8M across 7 funding rounds to date. The company's 1st funding round was a $***** Series B round, raised on Oct 28, 2008.

When was the latest funding round of Horizon Therapeutics?

Horizon Therapeutics' latest funding was a $***** Post IPO round on Oct 2014, with participation from 0 investor.

What is the annual revenue of Horizon Therapeutics?

Annual revenue of Horizon Therapeutics is between $500M and $1B as on Dec 31, 2022

Where does Horizon Therapeutics rank among its competitors?

Horizon Therapeutics ranks 55th amongst 683 active competitors, of which 216 are funded. It stands 10th in terms of total funding among its competitors. The most recent competitor to raise funding was Sana Biotechnology, which secured $25M in Aug, 2026.

Who are the top competitors of Horizon Therapeutics?

Horizon Therapeutics' top competitors include BridgeBio, Alnylam and PTC Therapeutics. Among them, Sana Biotechnology secured the most recent funding round in August, 2026.

Horizon Therapeutics - 2026 Company Profile, Funding, Competitors & Financials

Horizon Therapeutics is an acquired company based in Dublin (Ireland), founded in 2008. It operates as a Developer of drugs for treating rare and autoimmune diseases. Horizon Therapeutics has raised $61.8M in funding. The company has 683 active competitors, including 216 funded and 188 that have exited. Its top competitors include companies like BridgeBio, Alnylam and PTC Therapeutics.

Company Details

Developer of drugs for treating rare and autoimmune diseases. The lead candidates of the company are UPLIZNA fucosylated IgG 1 kappa (IgG1κ) monoclonal antibodies for myasthenia gravis, HZN-825 for idiopathic pulmonary fibrosis, and HZN-4920 for focal segmental glomerulosclerosis as well as kidney transplant rejection, rheumatoid arthritis, and Sjogren’s syndrome.

Website: horizontherapeutics.com
Social
Email ID: *****@horizontherapeutics.com
Phone Number: +353 **********
Registered Address: Lake Forest, Illinois

Key Metrics

Founded Year

2008

Location

Dublin, Ireland

Stage

Acquired

Total Funding

$61.8M in 7 rounds

Latest Funding Round

Post IPO, Oct 2014, $*****

Investors

Atlas Venture & 5 more

Ranked

55^th among 683 active competitors

Annual Revenue

$500M - $1B as on Dec 31, 2022

Employee Count

2,716 as on May 31, 2026

Investment & Acquisitions

Viela Bio & 4 more

Similar Companies

BridgeBio & 768 more

Exit Details

Acquired by Amgen (Dec 12, 2022)

View Horizon Therapeutics' full profile

Horizon Therapeutics is associated with 4 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
HORIZON PHARMA USA, INC. CIN: 562523161 , United States, Active	Dec 31, 1999	-	1877 (As on Dec 31, 2023)	-
HORIZON THERAPEUTICS NORWAY AS CIN: 929107209 , Norway, Active	Mar 29, 2022	-	-
HORIZON PHARMA, INC. CIN: 272179987 , United States, Active	Dec 31, 1999	-	934 (As on Dec 31, 2017)	-
HORIZON PHARMA PLC CIN: 1492426 , United States, Active	Mar 22, 2010	$500M - $1B (As on Dec 31, 2022)	-	-

Horizon Therapeutics got acquired by Amgen on Dec 12, 2022.

Click here to take a look at Horizon Therapeutics's acquisition in detail

Horizon Therapeutics has raised a total funding of $61.8M over 7 rounds. Its first funding round was on Oct 28, 2008. Horizon Therapeutics has 6 institutional investors.

Here is the list of recent funding rounds of Horizon Therapeutics:

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Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Oct 2014	4843712	Post IPO	9361870	4642705	3332086	2629354
Nov 19, 2013	5222579	Post IPO	1537192	5218099	1881423	4400915
Mar 16, 2012	8068469	Post IPO	7238744	1137219	7717886	3074341

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View details of Horizon Therapeutics's funding rounds and investors

Horizon Therapeutics' employee count trend

Horizon Therapeutics has 2,716 employees as of May 26. Here is Horizon Therapeutics's employee count trend over the years:

Employee count trend for Horizon Therapeutics

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Top competitors of Horizon Therapeutics include BridgeBio, Alnylam and PTC Therapeutics. Here is the list of Top 10 competitors of Horizon Therapeutics, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	BridgeBio 2015, Palo Alto (United States), Public	Developer of therapeutics for the treatment of genetic diseases	$434M	Viking Global Investors, KKR & 20 others	81/100
2nd	Alnylam 2002, Cambridge (United States), Public	Developer of RNA interference-based therapeutics for multiple disorders	$17M	Colt Ventures, Atlas Venture & 13 others	79/100
3rd	PTC Therapeutics 1998, South Plainfield (United States), Public	Developer of small molecule drugs for the treatment of rare diseases	$248M	HBM Healthcare Investments, Credit Suisse First Boston ... & 28 others	77/100
4th	argenx 2008, Ghent (Belgium), Public	Developer of antibody-based drugs to treat autoimmune diseases and cancer	$61.9M	Life Sciences Partners, Seventure Partners ... & 21 others	75/100
5th	Alexion 1992, Zurich (Switzerland), Acquired	Developer of therapies for patients with devastating and rare diseases	$133M	Allen & Company, Invesco & 9 others	74/100
6th	Sana Biotechnology 2018, Seattle (United States), Public	Developer of engineered cell therapies for treating various human diseases	$821M	Baillie Gifford, PSP Investments & 18 others	74/100
7th	Spark Therapeutics 2013, Philadelphia (United States), Acquired	Developer of gene therapy for rare diseases	$82.8M	Sofinnova Investments, Brookside Capital & 6 others	73/100
8th	Blueprint Medicines 2008, Cambridge (United States), Acquired	Developer of selective kinase inhibitors for patients with genomically defined cancers	$115M	Nextech Invest, Third Rock Ventures & 20 others	71/100
9th	Bluebird Bio 1992, Cambridge (United States), Acquired	Developer of gene therapies for severe genetic and rare diseases	$136M	TVM Capital, Forbion & 10 others	71/100
10th	Agios Pharmaceuticals 2008, Cambridge (United States), Public	Developer of therapeutics in the field of cancer metabolism and rare genetic disorders of metabolism	$120M	Arch Venture Partners, Flagship Pioneering ... & 6 others	70/100
55th	Horizon Therapeutics 2008, Dublin (Ireland), Acquired	Developer of drugs for treating rare and autoimmune diseases	$61.8M	Atlas Venture, Avoro Capital & 4 others	61/100

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Horizon Therapeutics has not made any investments yet. Horizon Therapeutics has made 5 acquisitions.

Here is the list of latest three $acquisitions:

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Date of Investment/Acquisition	Type	Company Name	Founded Year	Location
Dec 31, 2020	Acquisition	Viela Bio	2017	Gaithersburg (United States)
Sep 12, 2016	Acquisition	Raptor Pharma	2005	Novato (United States)
Dec 11, 2015	Acquisition	Crealta Pharmaceuticals	2013	Lake Forest (United States)