Optimist Ventures

Optimist Ventures is an investor. 8 portfolio companies and 2 recorded rounds are on record.

AUM
—
Portfolio companies
8
Recorded deals
2
1 in last 12M
Last investment
Feb 2026

Optimist Ventures key facts

  • Optimist Ventures is an investor with 8 tracked portfolio companies.
  • Notable positions include OpenAI, Stripe, Tenstorrent.
  • PrivateMarketView records 2 deal participations by Optimist Ventures.
  • Optimist Ventures’s most recent recorded investment was in Feb 2026, one of 1 in the last 12 months.

Investment activity

Optimist Ventures joined 2 recorded rounds in the last two years (1 in the last 12 months). By year: 1 in 2026 and 1 in 2025. Most recently: Stripe (later-stage round, Feb 2026) and OpenAI (Series F, Mar 2025).

Optimist Ventures portfolio at a glance

8 portfolio companies are on record for Optimist Ventures, including OpenAI, Stripe and Tenstorrent. The book leans Application Specific Semiconductors (1), Other Financial Services (1) and Software Development Applications (1).

4 of the 8 carry a recorded valuation and 2 have recorded secondary-market trades, the names a secondary buyer or seller can price.

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Portfolio

8 companies · priced for members
CompanyValuationRole
OpenAI▮▮
Stripe▮▮
Tenstorrent▮▮
+ 5 more companies · all 8, priced and dated
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Optimist Ventures recent deals

2 recorded
Feb 2026StripeLater Stage VC▮
Mar 2025OpenAISeries F▮
amounts and lead flags are a member featureUnlock all 2 deals

Membership and data by Private Market View

Frequently asked about Optimist Ventures

What companies does Optimist Ventures invest in?
Optimist Ventures has 8 recorded portfolio companies, including OpenAI, Stripe, Tenstorrent.
Is Optimist Ventures actively investing?
Optimist Ventures's most recent recorded investment was in Feb 2026, with 1 investments in the last 12 months.