Labelbox

Venture-backed company · Series D+labelbox.com

Frontier AI labs train on Labelbox environments and expert data. Engineering and research teams hand their recurring work to agents on Recursion.

Rounds on record
2
Latest round
Oct 14, 2026
Series E
Latest round size
$100M

In the newsDFX coverage that names this record

1 story
As of · the latest observation of this company; each round carries its own date

3 of the 12 investors

Every relationship, signal and contact on this record, with the source on each.

What matters now

  1. $100M
    announced

    Announced a Series D or later ($100M round) on Oct 14, 2026.

    A company that just raised has fresh capital, a new board and new vendors to choose.

    FactPress release wires (PR Newswire, GlobeNewswire)For Investors, lenders, service providersFinancing history →
  2. 12 investors
    named

    12 investors on record; Infinitum Partners led a round.

    The investors already on the cap table shape who leads the next round.

    Factfunding announcements, portfolio pages and Form DFor Investors, foundersInvestors →
Drawing the relationship network…

Facts

Year of incorporation
unknown
Revenue range (Form D)
unknown
Rounds on record
2
Disclosed raised
$104Msum of rounds with a disclosed amount only
Named investors
12includes 2 listed in its own portfolio

Timeline

2 events
  1. Oct 14, 2026
    Labelbox announced Series E of $100,000,000, led by Infinitum Partners
    Round announced Fact Press release
  2. Jul 31, 2018
    Labelbox announced Seed Funding of $3,900,000, led by Kleiner Perkins
    Round announced Fact Press release

Financing history

2 rounds
  1. Oct 14, 2026
    Series E · $100M (disclosed)
    Infinitum Partners (lead)Wipro Ventures (participant)Andreessen Horowitz (participant)B Capital (participant)TAU Ventures, LLC (participant)Snowpoint Ventures Management, LLC (participant)
    Fact Press release · “Labelbox raises $100 Million+ in Series E funding to advance reinforcement learning and enterprise AI agents”
  2. Jul 31, 2018
    Seed Funding · $3.9M (disclosed)
    Kleiner Perkins (lead)First Round Capital (participant)Gradient Ventures (participant)
    Fact Press release · “Labelbox Raises $3.9M in Seed Funding Led by Kleiner Perkins to Advance its Platform for Adapting and Training Artificial Intelligence in the Enterprise”

Capital evidence

where each capital claim on this record came from
Capital on filea primary record (a sworn filing, or the investor's or program's own page), or published records from two independent sources, show it raised outside capital.
  1. undated
    strategic venture investment (portfolio listed) · In-Q-Tel
    Tier A, primary record federal program portfolio · “IQT portfolio; category=AI;Enterprise; location=North America; status=Active”
  2. undated
    investor portfolio listing (listed) · Kleiner Perkins
    Tier A, primary record investor portfolio page… · “WordPress company item: Labelbox”
  3. undated
    investor portfolio listing (listed) · B Capital Group
    Tier A, primary record investor portfolio page bcapgroup.com · “company page in sitemap: https://b.capital/companies/labelbox/”
  4. undated
    investor portfolio listing (listed) · Kpcb China
    Tier A, primary record investor portfolio page kpcb.com · “WordPress company item: Labelbox”
  5. undated
    investor portfolio listing (listed) · Andreessen Horowitz
    Tier A, primary record investor portfolio page a16z.com · “embedded_json object: Labelbox”

Tier A is a primary record (a sworn filing, or the investor's or program's own page), B a published record, C a signal that is not confirmed capital. Amounts keep their kind: sold, offered, announced and debt principal are never added together.

Who would invest

12 investors on record, then the firms most like them

Already invested

12 investors on record

    2 more investors listed in its own portfolio, named with a plan.

    Strong comparable investors

    20 firms

    Firms that backed two or more of the companies this company's own investors also back.

    1. Khosla Ventures, LLC
      • Backed 4 companies this company's investors also back
      • Co-invested 28 times with 4 of this company's investors
      • Has entered companies at Series D+ (6 on record)
      • Has joined rounds of $50M to $150M (31 on record)
      • 18 new companies dated in the last 12 months, latest Sep 30, 2026
    2. Y Combinator
      • Backed 3 companies this company's investors also back
      • Co-invested 28 times with 5 of this company's investors
      • Has joined rounds of $50M to $150M (17 on record)
      • 29 new companies dated in the last 12 months, latest Oct 21, 2026
      • Led 5% of 122 rounds whose lead is known
    3. Sequoia Capital
      • Backed 4 companies this company's investors also back
      • Co-invested 13 times with 2 of this company's investors
      • Has entered companies at Series D+ (5 on record)
      • Has joined rounds of $50M to $150M (6 on record)
      • 13 new companies dated in the last 12 months, latest Oct 8, 2026

    +17 more comparable investors

    Broader fit

    20 firms

    Firms that co-invest repeatedly with this company's investors and dated a new company in the last 12 months.

    1. Bessemer Venture Partners
      • Backed 1 company this company's investors also back
      • Co-invested 18 times with 4 of this company's investors
      • Has entered companies at Series D+ (10 on record)
      • Has joined rounds of $50M to $150M (32 on record)
      • 20 new companies dated in the last 12 months, latest Oct 21, 2026
    2. Index Ventures
      • Backed 1 company this company's investors also back
      • Co-invested 16 times with 3 of this company's investors
      • Has entered companies at Series D+ (9 on record)
      • Has joined rounds of $50M to $150M (27 on record)
      • 7 new companies dated in the last 12 months, latest Oct 21, 2026
    3. CRV, LLC
      • Backed 1 company this company's investors also back
      • Co-invested 12 times with 3 of this company's investors
      • Has entered companies at Series D+ (2 on record)
      • Has joined rounds of $50M to $150M (13 on record)
      • 7 new companies dated in the last 12 months, latest Sep 29, 2026

    +17 more broader-fit firms

    People

    0 officers, 0 directors
    No officer or director on record.

    Ownership and outcomes

    none on record
    Outcome stated by investors

    Listed on 4 firm portfolio pages; none states an outcome (acquired, public, exited or active). DFX does not assume the company is active.

    Evidence: 4 listingseach firm's own card, as read

      4 more listings counted above; the firms are named with a plan.

      No later owner or exit on record: no private equity sponsor position and no acquisition, listing or IPO report names this company.

      Credit relationships

      none on record
      No lender position matched to this company.

      Evidence

      6 observations
      Every observation on this company
      • Description: Oct 15, 2026 Fact
      • Investors named on site: 4 Oct 15, 2026 Fact
      • Round announced: Series E $100,000,000 Oct 14, 2026 Fact Press release
      • Round announced: Seed Funding $3,900,000 Jul 31, 2018 Fact Press release
      • Website status: ok Oct 15, 2026 Fact
      • Site title: Oct 15, 2026 Fact
      Company-intelligence sources (6)

      Connected records

      Investors

      9 more on this record

      Relationships across DFX

      on 1 other DFX graph
      Across the graphs

      Labelbox is the same institution as 1 record in Private Equity.

      Private Equity1

      The joined record opens with the product, beside every other relationship on this page.

      Checking your plan…

      Record history

      2 dated events on the change ledger, latest event first
      • Round announced
        2026-10-14source on record
      • Round announced
        2018-07-31source on record

      The ledger records every merge, rename and reclassification this record went through and the dated filings observed on it, so the identity on this page can be traced to the records it was built from. The ledger's own sentences name other records, so they show with the names.