Spie

International society for optics and photonics

placeBellingham, Washington, United States calendar_todayFounded 1955 groups689 employees language spie.org

Web presence

Audience by country — top 5 markets by share of visits.

CountryShare
United States41%
China15.1%
Japan3.8%
Germany3.6%
India3.5%

Social engagement

Social engagement: 56.4K social following, 10 posts in the last 12 months — below the industry typical range.

Investor mix

3 investors on record; 1 has since exited.

Investor typeCountShare
Private equity133%
Other / undisclosed267%

Share of voice

Share of voice in United States: 39.7% of web traffic across its competitive set; worldwide: 13.1%.

Recent activity

1 Jul 2026
Recognition
28 Jun 2026
Event
WomenInOptics Meetup
27 Jun 2026
Event
SPIEastro
Coming soon