Live Pre-IPO Watchlist · 2026

Top Pre-IPO Companies Right Now (2026)

A real-time view of the most important private companies expected to go public — ranked by valuation trends, funding activity, and IPO readiness signals.

Last updated: 19 May 2026 Updated weekly

We track private market signals weekly to identify IPO candidates before they hit mainstream calendars.

5 of 10

top IPO candidates raised funding in the last 6 months — signaling renewed IPO momentum.

$1.8T+

in estimated private valuation represented across the top tracked pre-IPO candidates.

Quick Answer

The top pre-IPO companies right now include OpenAI, Stripe, Databricks, Revolut, and Klarna. These firms are closely tracked due to valuation momentum, private-market activity, and increasing IPO readiness signals.

Premarket Watch IPO Readiness Index · 2026

A proprietary ranking of the top private companies most likely to go public, based on valuation trends, funding activity, and market signals. Updated weekly.

Ranking reflects estimated IPO readiness based on recent market reports, private-market activity and expected listing timelines. Not investment advice.

This Week in Pre-IPO Markets

OpenAI +9reports of confidential IPO filing activity at ~$300B+ valuation
Databricks +4strong AI demand and new funding round
Stripe +3secondary market pricing strengthening
Anthropic +5cited as preparing public debut

Top Pre-IPO Companies by Score (2026)

1OpenAI
94
2Stripe
88
3Databricks
84
4Anthropic
83
5Revolut
79
6Klarna
72

Source: Premarket Watch IPO Readiness Index, 2026 dataset.

Average IPO readiness score: 68

Companies above 75 are typically within 12–24 months of listing.

Live rankings · Updated weekly · Data refresh: May 2026

Featured Insight · 2026

~65–75% of the most anticipated IPOs are concentrated in fintech and AI/data sectors, with many companies delaying public listings after the 2022–2024 market slowdown.

Key takeaway: The IPO pipeline is rebuilding — but timing remains highly dependent on market conditions.

Based on tracked companies in the Premarket Watch dataset.

Top Pre-IPO Companies

OpenAI

Artificial Intelligence

Confidential Filing ReportedMost likely to IPO next

IPO Timeline

Potential 12–36 months (reported)

Latest Valuation

~$300B+ (reported)

Readiness Score

94/100

+9 this week

Why it matters: Corporate restructuring is complete and multiple reports point to confidential IPO filing activity. With ~$300B+ in reported private market value and dominant AI demand, OpenAI is the most-watched pre-IPO candidate globally. Timeline and exchange not officially confirmed.

Signal Breakdown

Valuation trend96
Funding activity98
Market sentiment99
IPO signals90
Timing window88

Score Trend (last 5 months)

Jan

Feb

Mar

Apr

May

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Stripe

Fintech · Payments

IPO CandidateHeating up

IPO Timeline

Likely 2026–2027

Latest Valuation

$70B – $95B

Readiness Score

88/100

+3 this week

Why it matters: Valuation stabilising after the 2023 reset, secondary-market activity rising, and renewed late-stage interest signal IPO readiness.

Signal Breakdown

Valuation trend90
Funding activity86
Market sentiment90
IPO signals84
Timing window84

Score Trend (last 5 months)

Jan

Feb

Mar

Apr

May

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Databricks

AI / Data

IPO CandidateStrong demand

IPO Timeline

Likely 2026

Latest Valuation

$55B – $65B

Readiness Score

84/100

+4 this week

Why it matters: AI-driven enterprise demand, accelerating revenue, and major late-stage funding rounds make Databricks one of the most-watched IPO candidates.

Signal Breakdown

Valuation trend86
Funding activity90
Market sentiment88
IPO signals78
Timing window80

Score Trend (last 5 months)

Jan

Feb

Mar

Apr

May

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Klarna

Fintech · BNPL

IPO CandidateRecovery phase

IPO Timeline

2026 (filed)

Latest Valuation

$14B – $20B

Readiness Score

72/100

+2 this week

Why it matters: Recovering from a steep 2022 down-round, returning to profitability, and now actively progressing through US listing preparations.

Signal Breakdown

Valuation trend64
Funding activity68
Market sentiment70
IPO signals82
Timing window80

Score Trend (last 5 months)

Jan

Feb

Mar

Apr

May

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Revolut

Fintech · Neobank

IPO CandidateExpanding

IPO Timeline

2026–2027

Latest Valuation

$45B+

Readiness Score

79/100

+1 this week

Why it matters: Banking licences in major markets, strong customer growth, and a recent secondary tender position Revolut for a major public listing.

Signal Breakdown

Valuation trend82
Funding activity78
Market sentiment78
IPO signals68
Timing window74

Score Trend (last 5 months)

Jan

Feb

Mar

Apr

May

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Where Smart Money Is Moving (Last 30 Days)

The largest IPO Readiness Score shifts across tracked pre-IPO companies in the past 30 days.

OpenAI

reported confidential filing activity

Databricks

AI demand surge

Stripe

pricing recovery

Event-Driven Updates

Score changes triggered by recent funding rounds, valuation shifts, filings, and other private market events.

+9
OpenAI
18 May 2026
Reports of confidential IPO filing activity push OpenAI to the top of the readiness index. No official listing date or exchange confirmed.
+1
Klarna
6 May 2026
Modest score uptick as IPO discussions continue ahead of a potential listing window.
+4
Databricks
4 May 2026
Score rose on accelerating AI revenue and new late-stage round.
+3
Stripe
1 May 2026
Score climbed as secondary-market pricing strengthened.
+1
Revolut
28 Apr 2026
Minor uptick following expanded banking licence approval.
0
Anthropic
25 Apr 2026
Score steady as Anthropic continues to be cited as preparing for a public debut.

How IPO Readiness Scores Work

Our IPO Readiness Score combines five leading indicators historically observed before public listings. Scores are updated weekly:

Valuation trends — Secondary market pricing and recent funding round valuations.
Funding activity — Frequency and size of late-stage rounds (Series D+).
Market sentiment — Investor interest, analyst coverage, and media attention.
IPO signals — S-1 filings, executive changes, and listing rumours.
Timing window — How close the company appears to public markets.

Premarket Watch IPO Readiness Leaderboard

A directional ranking based on valuation trends, funding activity, and market signals.

IPO Readiness Score

OpenAI94/100
Stripe88/100
Databricks84/100
Anthropic83/100
Revolut79/100
Klarna72/100

Scores are directional, based on valuation trends, funding activity, and market signals.

Sector Breakdown

AI / Data45%
Fintech45%
Other10%

Insight: Fintech and AI dominate the current IPO pipeline due to large funding rounds and strong investor demand.

IPO Pipeline Timeline

Private

Late-stage

Revolut

IPO prep

Stripe
Databricks

Expected IPO

OpenAI
Klarna

Source: Premarket Watch analysis of private market activity, funding trends, and investor signals.

What's Driving These IPOs?

Delayed IPOs from the 2022–2024 backlog finally moving forward
Stabilising valuations after the down-round cycle
Renewed late-stage funding activity (Series E+)
Strong narratives around AI adoption and fintech recovery

How We Select These Companies

We identify top IPO candidates using a combination of:

Secondary market valuation trends
Late-stage funding rounds (Series D+)
IPO filing signals (S-1, prospectus activity)
Investor sentiment and media coverage

This allows us to surface companies months before they appear on traditional IPO calendars.

Upcoming IPOs 2026 →

The full tracked list of expected IPO candidates with signals and commentary.

Guide

How to Invest in Pre-IPO Companies →

A practical 2026 guide to access routes, eligibility, and risks for UK and US investors.

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