Power Law company profile

Spark Therapeutics

Biotech & Life Sciences · Philadelphia, United States · Founded 2013 · IPO 2015 Unicorn

A fully integrated gene therapy company focused on inherited retinal diseases (IRDs), neurodegenerative diseases, as well as diseases that can be addressed by targeting the liver, such as hemophilia

Valuation

$4.30B

Market cap · 2026

Featured in Unicorn$1B+ valuation tier · Power Law dataset 2026

Investors

2 investors on Spark Therapeutics's cap table

Sourced from Dealroom's funding history. Investor profile links are shown where available.

Series A 1 investor entered at this stage

The Children's Hospital of Philadelphia

Series B+ 1 investor entered at this stage

Sofinnova Investments

Global footprint

Where Spark Therapeutics has talent and traffic

AI talent share

0.7% of workforce is AI talent
(2 of 304 staff)

Core AI20.66%

Other AI00%

Non-AI workforce30299.34%

Workforce by country

10 countries with
team presence

🇺🇸 United States97.2%

🇨🇭 Switzerland0.6%

🇬🇧 United Kingdom0.3%

🇩🇴 Dominican Republic0.3%

🇳🇱 Netherlands0.3%

Top 5 of 10 shown

Web traffic by country

2.6K monthly visits
across markets

🇺🇸 United States100%

Top 1 markets shown

Patent intelligence

$50M patent portfolio · 47 active families

Estimated portfolio value

$50M

1.2% of market cap · 40.3× smaller than top peer Ablynx ($2B)

47 active patent families

Where Spark Therapeutics innovates Molecular biologyVirusViral vectorBioinformaticsAdeno-associated virus

Where Spark Therapeutics concentrates vs peers

Each axis is a top-10 topic across Spark Therapeutics and its closest peers. #1 = 100, #10 = 10, absent = 0.

Compare against

Source: Dealroom Patent Intelligence · Patsnap. Request a demo for the full per-sub-category breakdown, individual records, and quality-score history.

Market sentiment

What the market is saying about Spark Therapeutics

An AI-synthesized read of the highest-engagement posts about Spark Therapeutics on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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