Pandion Therapeutics Acquisition, Valuation, Funding & Investors

Pandion Therapeutics was acquired by Merck for $1.9B in February 2021.

Pandion Therapeutics acquisition price

$1.9B

Acquired by Merck · Feb 2021

Pandion Therapeutics revenue at acquisition

$9M

Last twelve months · Feb 2021

Cumulative funding Pandion Therapeutics raised

$138M

across 2 funding rounds

Key investors in Pandion Therapeutics

  • Polaris Partners
  • Versant Ventures
  • SR One
  • Roche Venture Fund
  • BioInnovation
  • OrbiMed

Pandion Therapeutics Overview

About Pandion Therapeutics

Pandion Therapeutics is a Cambridge-based biotechnology company engineering bispecific antibodies for localized immunomodulation in autoimmune diseases like rheumatoid arthritis and inflammatory bowel disease. Lead candidates target T-cell regulation at inflammation sites. Acquired by Merck in 2021 for $1.85 billion upfront plus milestones, Pandion's POD platform advances therapies for organ transplants. Founded in 2019.


Founded

2017

HQ

United StatesUnited States

Status

Acquired

Customer focus

B2B

Revenue model

Product sales

Revenue

$9M (Feb 2021)

Valuation

$1.9B (acquired Feb 2021)

Pandion Therapeutics Acquisition

Pandion Therapeutics was acquired by Merck for $1.9B on 25 February 2021.

Before the acquisition Pandion Therapeutics had raised $138M across 2 funding rounds.

Pandion Therapeutics acquisition details
AcquirerDateTypePriceEV/Revenue
25 Feb 2021Strategic M&A$1.9B210.2x

Pandion Therapeutics Funding History

Pandion Therapeutics has raised a total of $138M across 2 funding rounds.

Pandion Therapeutics' first fundraising round was a $58M Series A in January 2018. The most recent completed round was a $80M Series B in April 2020.

Pandion Therapeutics funding rounds

Pandion Therapeutics funding rounds
DateStageInvestorsRaisedDeal Summary
Apr 2020Series BAccess Biotechnology (lead); Boxer Capital (lead); BioInnovation; JDRF T1D Fund; Roche Venture Fund; Polaris Partners; Versant Ventures; SR One; RA Capital Management; OrbiMed; Mission BioCapital$80MPandion Therapeutics, a Cambridge, Massachusetts-based clinical-stage biotechnology company, closed an $80 million Series B financing round in April 2020 led by Access Biotechnology and Boxer Capital. New investors RA Capital and OrbiMed joined the round, while existing investors including Polaris Partners, Versant Ventures, Roche Venture Fund, SR One, JDRF T1D Fund, and BioInnovation Capital also participated. The financing proceeds were directed toward continued development of Pandion's pipeline of modular proteins and bifunctional antibodies for autoimmune diseases, with particular focus on advancing the lead clinical-stage program PT101, a novel interleukin-2 mutein Fc fusion protein in Phase 1 development, bringing a second program into the clinic, and expanding the company's modular drug design platform. Pandion's lead program, PT101, was designed to activate and expand regulatory T cells in patients with autoimmune diseases. The company had generated human proof-of-mechanism data for PT101 that was instrumental in attracting investor interest. Early clinical results showed PT101 was well-tolerated and triggered its intended targets without activating pro-inflammatory T cells. The company planned Phase 1/2 studies for ulcerative colitis and Phase 2 trials for systemic lupus erythematosus. The company recorded revenue of $2 million for the three months ended March 31, 2020. Pandion had been formed in 2016 and had raised $58 million in a Series A financing in 2018. Following the Series B close, the company went public in July 2020 with an IPO that raised an additional $135 million. The company's trajectory culminated in its acquisition by Merck & Co. for $1.85 billion in February 2021, demonstrating rapid value creation from early-stage clinical success and strong investor backing. In the years leading to the Series B, Pandion had executed strategic partnerships to advance its platform. In October 2019, the company inked a license and collaboration agreement with Astellas Pharma to combine Pandion's modular biologics and functional immunology expertise with Astellas' advanced therapeutics development and commercialization capabilities. In April 2019, Pandion entered a partnership with Twist Bioscience to apply Twist's antibody optimization platform to the targeting arm of a bispecific antibody, further strengthening its modular protein therapeutic capabilities.
Jan 2018Series APolaris Partners (lead); Roche Venture Fund (lead); Versant Ventures (lead); BioInnovation; SR One$58MPandion Therapeutics emerged from stealth in January 2018 with a $58 million Series A financing co-led by Polaris Partners (founding investor), Roche Venture Fund, and Versant Ventures, with participation from SR One and BioInnovation Capital. The Cambridge, Massachusetts-based biotech develops bispecific antibody therapeutics using its proprietary TALON platform to achieve localized immunomodulation for autoimmune and inflammatory diseases, targeting tissues like the gut, liver, kidney, and skin, with initial focus on inflammatory bowel disease, autoimmune liver disease, and plans for type 1 diabetes and skin conditions. The funding supports advancing drug programs to the clinic, building the pipeline, and company expansion, including leadership appointments of CEO Anthony Coyle (ex-Pfizer/MedImmune) and CSO Jo Viney (ex-Biogen). The company's technology draws from immuno-oncology insights to create bispecific antibodies that bind to specific inflammation sites, promoting immune homeostasis rather than broad immunosuppression. Prior to the Series A, Pandion (originally Immunotolerance, formed 2016) received seed funding from Polaris and in December 2017 collaborated with Distributed Bio for antibody discovery using the SuperHuman library, licensing leads and potentially the platform. Post-Series A, Pandion contracted Just Biotherapeutics for development and manufacturing of lead candidate PT101, an IL-2 mutein bispecific antibody entering early clinical trials for ulcerative colitis and systemic lupus erythematosus. Pandion went public in July 2020 (Nasdaq: PAND) and was acquired by Merck in 2021 for $1.85 billion ($60 per share), ending its independent operations after demonstrating clinical proof-of-mechanism with PT101.

Who has invested in Pandion Therapeutics?

11 investors have backed Pandion Therapeutics across its funding rounds, including Polaris Partners, Versant Ventures, SR One, Roche Venture Fund, BioInnovation and OrbiMed.

Lead investors include Access Biotechnology, Boxer Capital, Polaris Partners, Roche Venture Fund and Versant Ventures.


Pandion Therapeutics Investors

Investors in Pandion Therapeutics by funding rounds participated
InvestorHQRoundsRoleFirst check
BioInnovationUnited StatesUnited States2ParticipantJan 2018
Roche Venture FundSwitzerlandSwitzerland2LeadJan 2018
Polaris PartnersUnited StatesBoston, MA2LeadJan 2018
Versant VenturesUnited StatesSan Francisco, CA2LeadJan 2018
SR OneUnited StatesUnited States2ParticipantJan 2018
Boxer CapitalUnited StatesOrlando, FL1LeadApr 2020
JDRF T1D FundUnited StatesBoston, MA1ParticipantApr 2020
RA Capital ManagementUnited StatesBoston, MA1ParticipantApr 2020
OrbiMedUnited StatesNew York City, NY1ParticipantApr 2020

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Pandion Therapeutics Competitors

Pandion Therapeutics competitors include listed companies like Jafron Biomedical, Immunocore Holdings and Bausch Health, and private ones like ArsenalBio, BioRay Pharmaceuticals and Rakuten Medical.

Public and private companies comparable to Pandion Therapeutics
CompanyHQStatusRevenueEBITDAValuationRevenue Multiple
ArsenalBioUnited StatesUnited StatesPrivate--$1.9B-
BioRay PharmaceuticalsChinaShanghaiPrivate$131M-$1.9B14.5x
Jafron BiomedicalChinaChinaPublicly listed$300M$123M$1.8B5.2x
Rakuten MedicalUnited StatesSan Diego, CAPrivate--$1.7B-
Immunocore HoldingsUnited StatesUnited StatesPublicly listed$400M($20M)$1.7B2.8x
Bausch HealthCanadaCanadaPublicly listed$10B$3.1B$2.1B2.1x

Pandion Therapeutics Public Comps

Pandion Therapeutics is no longer listed, but its public comps include Vir Biotechnology, Neuren Pharma, Septerna, Insight Lifetech, Tsumura, Stoke Therapeutics, Mehow Innovative, Xencor, Hugel and Hepalink.

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
Vir Biotechnology$67M($466M)21.2x7.2x(3.0x)(3.9x)
Neuren Pharma$46M$19M35.9x22.0x86.5x50.8x
Septerna$46M($67M)32.5x18.3x(22.3x)(20.9x)
Insight Lifetech$81M$18M20.9x21.4x94.2x-
Tsumura$1.2B$351M2.1x2.0x7.6x8.1x
Stoke Therapeutics$184M($19M)8.5x20.9x(83.6x)(9.0x)
Mehow Innovative$242M$57M6.6x5.8x28.1x22.6x
Xencor$126M($75M)12.3x11.2x(20.6x)(7.4x)

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Common questions about Pandion Therapeutics

When was Pandion Therapeutics founded?Pandion Therapeutics was founded in 2017.
Where is Pandion Therapeutics headquartered?Pandion Therapeutics is headquartered in United States.
Is Pandion Therapeutics publicly listed?No, Pandion Therapeutics was acquired by Merck in February 2021.
Who acquired Pandion Therapeutics?Pandion Therapeutics was acquired by Merck in February 2021.
How much was Pandion Therapeutics acquired for?Pandion Therapeutics was acquired for $1.9B in February 2021.
How much funding has Pandion Therapeutics raised?Pandion Therapeutics has raised $138M across 2 funding rounds.
What was Pandion Therapeutics' last funding round?Pandion Therapeutics' last funding round was a $80M Series B in April 2020, led by Access Biotechnology and Boxer Capital.
Who are Pandion Therapeutics' investors?Pandion Therapeutics' investors include BioInnovation, Roche Venture Fund, Polaris Partners, Versant Ventures, SR One, Boxer Capital, JDRF T1D Fund, RA Capital Management, OrbiMed, Mission BioCapital and 1 other.
Which companies are comparable to Pandion Therapeutics?Companies comparable to Pandion Therapeutics include ArsenalBio, BioRay Pharmaceuticals, Jafron Biomedical, Rakuten Medical, Immunocore Holdings and Bausch Health.

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