Most-filed EDGAR form types over the trailing year

Name: Most-filed EDGAR form types over the trailing year
Creator: Strasmore
Published: 2026-08-22
License: https://www.strasmore.com/terms/

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 What Is Form N-PORT? Fund Holdings Filing.

as of 2026-08-22 ranking 12×3read in context →

Most-filed EDGAR form types over the trailing year — 12 rows by 3 columns, computed 2026-08-22 from US exchange, SIP and OPRA data.
form_type	filings	filers
4	347404	57424
424B2	186001	918
144	72684	15536
8-K	63670	6536
NPORT-P	51807	2015
3	43727	24711
D	38724	36478
13F-HR	34240	9344
SCHEDULE 13G/A	33916	6863
6-K	27254	1330
FWP	26225	1128
D/A	21990	18982

Rows × columns: 12 × 3
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

Column definitions for Most-filed EDGAR form types over the trailing year, derived from the stored result.
Column	Type	Range
`form_type`	text	12 distinct values (13F-HR, 144, 3…)
`filings`	number	21,990 to 347,404
`filers`	number	918 to 57,424

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.

the exact SQL behind every number

SELECT
    form_type,
    count()            AS filings,
    countDistinct(cik) AS filers
FROM global_markets.stocks_sec_edgar_index
WHERE filing_date >= today() - 365
  AND filing_date <= today()
GROUP BY form_type
ORDER BY filings DESC
LIMIT 12

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