How much of a company an IPO actually sells

Answered against 22 years of US equities and 12 years of US options data and published with the query that produced it. This result is stored as of 2026-08-22, from Early Lockup Release: Triggers and Waivers.

Rows × columns

6 × 2

Computed

2026-08-22

Completeness

No missing values

Source

US exchange, SIP and OPRA market data

Licence

Strasmore terms · free, no signup

Formats

JSON · CSV · the SQL below

What each column holds

Computed from Strasmore's warehouse of US exchange, SIP and OPRA market data. Equity prices are delayed; options greeks and implied volatility are end-of-day. This result is stored, not recomputed on load — it is exactly the numbers that were returned on 2026-08-22, and the query below is what returned them.

SELECT
    multiIf(pct <  5, 'under 5%',
            pct < 10, '5% to 10%',
            pct < 15, '10% to 15%',
            pct < 20, '15% to 20%',
            pct < 30, '20% to 30%',
                      '30% or more') AS share_sold,
    count()                          AS ipos
FROM
(
    SELECT
        ticker,
        round(100 * max(toFloat64(max_shares_offered)) / max(toFloat64(shares_outstanding)), 2) AS pct
    FROM global_markets.stocks_ipos
    WHERE listing_date >= '2022-01-01'
      AND listing_date <= today()
      AND ticker NOT IN ('SPCX')
      AND shares_outstanding > 0
      AND max_shares_offered > 0
    GROUP BY ticker
    HAVING pct > 0 AND pct <= 100
)
GROUP BY share_sold
ORDER BY min(pct)