United States · 
Who invested in Diagnostic Photonics?
Diagnostic Photonics's investors include Serra Ventures.
201220132014
$175KSeries A$1.3MSeed$75KRound
United States · Funded startup
Who invested in Diagnostic Photonics
3 rounds we have observed, with the one investor named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
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Funding summaryUpdated 15 Nov 2026
$1.6Mraised across 3 rounds since 2011, from 3 sources
$175KSeries A$1.3MSeed$75KRound
- Latest round
- Round, $75KMay 2014
- Biggest round
- $1.3MSeed · Sept 2011
- Investors
- 1
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $175K Aug 2011
- Biggest round
- $1.3M Seed · Sept 2011
- Usual gap between rounds
- 2.7 years the median of 2
The rounds
- May 2014Round$75K1 returning
From a historical funding recordSEC filing: $300K sold, first sale May 2014
- Sept 2011Seed$1.3M
No investor was named in the report.
Reported by sec.govSEC filing: $1.3M sold, first sale Jun 2010
- Aug 2011Series A$175K1 new
From a historical funding recordSEC filing: $1.3M sold, first sale Jun 2010
Funding filed with regulators
Diagnostic Photonics filed 4 raises, $5.1M in all. Filings say how much was sold and to how many investors; they never name the investors.
- Dec 2015$3.1MSEC Form D
- May 2014$300KSEC Form D
- Jul 2012$406KSEC Form D
- Jun 2010$1.3MSEC Form D
Founders and team
From the SEC filings it signed: 2 on the team.
- Andrew J. CittadineExecutive Officer, Directori
- Kathryn B. HyerExecutive Officeri
On the board, as filediAndrew C. SingerKathy J. HeNancy J. SullivanTimothy C. Hoerr
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Diagnostic Photonics
How much has Diagnostic Photonics raised?
Diagnostic Photonics has raised $1.6M across 3 rounds since 2011.
When did Diagnostic Photonics last raise?
Diagnostic Photonics's most recent round was an Undisclosed round of $75K in May 2014.
What was Diagnostic Photonics's biggest round?
Diagnostic Photonics's largest round on record is $1.3M (Seed), in Sept 2011.
Who backed Diagnostic Photonics first?
Diagnostic Photonics's first round on record, in Aug 2011, was backed by Serra Ventures.
What stage is Diagnostic Photonics at?
Diagnostic Photonics's latest named round is an Undisclosed round, in May 2014.
Where is Diagnostic Photonics based?
Diagnostic Photonics is based in the United States.
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