# Top 10 Internet Startups in San Diego by Funding (2026)

> The 10 best-funded internet startups in San Diego, ranked by total funding raised: $126M combined. With founding year, headquarters and each company's rounds.

Source: https://millionrounds.com/top-lists/internet-startups-san-diego (Millionrounds; every figure on the page links to its filing or article)

- 1 [**Affinium Pharmaceuticals** Affinium Pharmaceuticals is a specialty pharmaceutical company, focused on the development of novel anti-infective medicines.](https://millionrounds.com/company/affinium-pharmaceuticals) Affinium Pharmaceuticals is a specialty pharmaceutical company, focused on the development of novel anti-infective medicines. *Founded* 2000 San Diego, United States **$82M** last round Sept 2013
- 2 [**PetDesk** PetPartner is now PetDesk.](https://millionrounds.com/company/petdesk) PetPartner is now PetDesk. *Founded* 2013 San Diego, United States **$14M** last round Jan 2019
- 3 [**GovX** GOVX, also known as GovX, Inc., is an exclusive e-commerce marketplace founded in 2011, dedicated to serving U.S.](https://millionrounds.com/company/govx) GOVX, also known as GovX, Inc., is an exclusive e-commerce marketplace founded in 2011, dedicated to serving U.S. *Founded* 2011 San Diego, United States **$12M** last round Aug 2015
- 4 [**Portfolium** Portfolium showcases digital work samples of millions of students, proving plus matching their skills to the requirements of top employers.](https://millionrounds.com/company/portfolium) Portfolium showcases digital work samples of millions of students, proving plus matching their skills to the requirements of top employers. *Founded* 2014 San Diego, United States **$8.3M** last round Sept 2016
- 5 [**HomeBay** Home Bay was a California-based real estate brokerage founded in 2014, known for its digital-first approach to buying and selling homes.](https://millionrounds.com/company/homebay) Home Bay was a California-based real estate brokerage founded in 2014, known for its digital-first approach to buying and selling homes. *Founded* 2014 San Diego, United States **$6.0M** last round Jun 2017
- 6 [**Yapert** Yapert provides mobile photo and video discovery applications.](https://millionrounds.com/company/yapert) Yapert provides mobile photo and video discovery applications. *Founded* 2012 San Diego, United States **$2.3M** last round May 2014
- 7 [**Social IQ (Social Influence Quotient)** Social IQ is a social media network that allows users to measure their social IQ and sell it as an advertising capability to brands.](https://millionrounds.com/company/social-iq-social-influence-quotient) Social IQ is a social media network that allows users to measure their social IQ and sell it as an advertising capability to brands. *Founded* 2009 San Diego, United States **$1.1M** last round Aug 2010
- 8 [**Roya.com** Roya.com is a San Diego-based Software as a Service (SaaS) provider established in 2015.](https://millionrounds.com/company/roya-com) Roya.com is a San Diego-based Software as a Service (SaaS) provider established in 2015. *Founded* 2015 San Diego, United States **$1.0M** last round Jun 2018
- 9 [**Cortivo AI** The Intelligence Behind Your Productivity](https://millionrounds.com/company/cortivo-ai) The Intelligence Behind Your Productivity *Founded* - San Diego, United States **$126K** last round Jan 2026
- 10 [**LivelyFeed** LivelyFeed is group messaging turned social.](https://millionrounds.com/company/livelyfeed) LivelyFeed is group messaging turned social. *Founded* 2012 San Diego, United States **$50K** last round Oct 2012

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies whose funding rounds we classed in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

Open any company for its rounds and investors, or search the investors who back internet startups in San Diego in the app, with filters, lists and exports.

[Find their investors](https://millionrounds.com/login?join=1&next=/app/investors)[All top lists](https://millionrounds.com/top-lists)

## More internet lists

[See all](https://millionrounds.com/top-lists?t=Internet)

[*U* *C* *D* **Internet startups in the United States** 1,524 companies · $64B](https://millionrounds.com/top-lists/internet-startups-united-states)[*B* *DC* *P* **Internet startups in China** 266 companies · $90B](https://millionrounds.com/top-lists/internet-startups-china)[*D* *N* *CF* **Internet startups in the United Kingdom** 201 companies · $8.9B](https://millionrounds.com/top-lists/internet-startups-united-kingdom)[*D* *L* *I* **Internet startups in San Francisco** 192 companies · $20B](https://millionrounds.com/top-lists/internet-startups-san-francisco)[*F* *P* *TF* **Internet startups in New York** 185 companies · $11B](https://millionrounds.com/top-lists/internet-startups-new-york)[*F* *O* *S* **Internet startups in India** 154 companies · $22B](https://millionrounds.com/top-lists/internet-startups-india)[*BM* *M* *B* **Internet startups in France** 99 companies · $3.4B](https://millionrounds.com/top-lists/internet-startups-france)[*B* *A* *YS* **Internet startups that raised in 2026** 96 companies · $39B in 2026](https://millionrounds.com/top-lists/internet-startups-raised-2026)

## More lists for San Diego

[See all](https://millionrounds.com/top-lists?r=San%20Diego)

[*SA* *CT* *AB* **Startups in San Diego** 485 companies · $20B](https://millionrounds.com/top-lists/startups-san-diego)[*CT* *AB* *E* **Biotech startups in San Diego** 154 companies · $9.3B](https://millionrounds.com/top-lists/biotech-startups-san-diego)[*AB* *E* *VT* **Healthcare startups in San Diego** 81 companies · $6.5B](https://millionrounds.com/top-lists/healthcare-startups-san-diego)[*A* *T* *IA* **IT Services startups in San Diego** 39 companies · $396M](https://millionrounds.com/top-lists/it-services-startups-san-diego)[*SA* *N* *BC* **AI startups in San Diego** 31 companies · $7.6B](https://millionrounds.com/top-lists/ai-startups-san-diego)[*PT* *ST* *PB* **Pharma startups in San Diego** 22 companies · $904M](https://millionrounds.com/top-lists/pharma-startups-san-diego)[*M* *C* *C* **Big Data & Analytics startups in San Diego** 19 companies · $381M](https://millionrounds.com/top-lists/big-data-startups-san-diego)[*L* *T* *W* **Software startups in San Diego** 14 companies · $811M](https://millionrounds.com/top-lists/software-startups-san-diego)