Polychain Capital

Venture capital · San Francisco, California

Polychain Capital is a venture capital firm based in San Francisco, California. 80 portfolio companies and 3 recorded rounds are on record.

AUM
$6K
Portfolio companies
80
Recorded deals
3
Last investment
Sep 2026

Polychain Capital key facts

  • Polychain Capital is a venture capital firm based in San Francisco, California with 80 tracked portfolio companies.
  • Notable positions include Crusoe, Polymarket, Anchorage Digital.
  • PrivateMarketView records 3 deal participations by Polychain Capital.
  • The team roster lists 1 person.
  • Polychain Capital reports $679.3M in regulatory assets under management across 14 private funds, per its SEC Form ADV (2026-03).

Investment focus

Its SEC Form ADV lists $679 million in regulatory assets under management across 14 private funds (Mar 2026).

Investment activity

Polychain Capital joined 1 recorded round in the last two years. By year: 1 in 2026, 1 in 2021 and 1 in 2020. Polychain Capital is recorded as lead on 1 of them. 1 round landed in the last 90 days. Most recently: Crusoe (Series F, Sep 2026) and Polymarket (Series A, Jan 2021).

Polychain Capital portfolio at a glance

80 portfolio companies are on record for Polychain Capital, including Crusoe, Polymarket and Anchorage Digital.

31 of the 80 carry a recorded valuation and 2 have recorded secondary-market trades, the names a secondary buyer or seller can price.

Polychain Capital team

1 person is on record at Polychain Capital. Senior names include Joshua Rosenthal (General Partner). 1 of them have a verified direct contact on file.

Polychain Capital at the SEC

Form ADV · 2026-03 · CRD 285022
Regulatory AUM
$679.3M
Private fund assets
$2.8B
Private funds
14 · 12 private equity, 2 hedge
Staff
36
Registered office
SAN FRANCISCO, CA
SEC status
Approved

Source: SEC Investment Adviser Public Disclosure, Form ADV (registered as POLYCHAIN CAPITAL LP).

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Portfolio

80 companies · priced for members
CompanyValuationRole
Crusoe▮▮
Polymarket▮▮
Anchorage Digital▮▮
+ 77 more companies · all 80, priced and dated
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Polychain Capital recent deals

3 recorded
Sep 2026CrusoeSeries F▮
Jan 2021PolymarketSeries A▮
Oct 2020PolymarketSeed▮
amounts and lead flags are a member featureUnlock all 3 deals

Membership and data by Private Market View

Team
1 people on record — 1 with verified contacts

Partners, principals, and the people who answer a pitch. Pro members reveal contacts with credits.

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Frequently asked about Polychain Capital

What companies does Polychain Capital invest in?
Polychain Capital has 80 recorded portfolio companies, including Crusoe, Polymarket, Anchorage Digital.
What is Polychain Capital's AUM?
Polychain Capital manages approximately $6K in assets.