Fiddler Labs
Series CFiddler Labs is a privately held company based in United States, founded in 2018. The latest disclosed round is Series C ($30m), dated Jan 27, 2026. Institutional investors on record include Khosla Ventures, Lightspeed Venture Partners.
United States · EST 2018
What is Fiddler Labs?
Fiddler Labs is a privately held company based in United States, founded in 2018. The latest disclosed round is Series C ($30m), dated Jan 27, 2026. Institutional investors on record include Khosla Ventures, Lightspeed Venture Partners. Developer of AI observability platform for monitoring, explainability, and responsible AI. CrackTheDeck lists dated rounds and linked fund profiles so founders can see who is already on the cap table before a pitch. Round sizes are shown only when disclosed. Empty fields mean the figure was not in those records. Open a fund name to read that firm's thesis, reported AUM, and recent dated deals. This page is compiled from financings linked to catalog funds. It is not a complete cap table. Founders use this card to check the latest disclosed round, amount, and syndicate before a meeting.
Which funds backed Fiddler Labs?
Who invested in Fiddler Labs?
Funds on the dated round table. Open a name to read the fund card.
| Investor | Round | Amount | Date |
|---|---|---|---|
| Khosla Ventures | Series C | $30m | Jan 27, 2026 |
| Lightspeed Venture Partners | Series C | $30m | Jan 27, 2026 |
What do founders ask about Fiddler Labs?
What is Fiddler Labs?
Fiddler Labs is a privately held company based in United States, founded in 2018. The latest disclosed round is Series C ($30m), dated Jan 27, 2026. Institutional investors on record include Khosla Ventures, Lightspeed Venture Partners. Developer of AI observability platform for monitoring, explainability, and responsible AI. CrackTheDeck lists dated rounds and linked fund profiles so founders can see who is already on the cap table before a pitch. Round sizes are shown only when disclosed. Empty fields mean the figure was not in those records. Open a fund name to read that firm's thesis, reported AUM, and recent dated deals. This page is compiled from financings linked to catalog funds. It is not a complete cap table. Founders use this card to check the latest disclosed round, amount, and syndicate before a meeting.
What was Fiddler Labs's last funding round?
Fiddler Labs's latest disclosed round is Series C at $30m (Jan 27, 2026).
Who invested in Fiddler Labs?
Fiddler Labs has 2 institutional investors on this page, including Khosla Ventures, Lightspeed Venture Partners.
How does CrackTheDeck cover Fiddler Labs?
This startup card lists dated rounds and linked fund profiles so founders can see who is already in the cap table before a pitch.
How is this page compiled?
Round, amount, and investor names on the Fiddler Labs card come from dated financings linked to fund profiles in CrackTheDeck. Empty fields mean the figure was not in those records. Updated Aug 2026.