The four 13F deadlines for the 2026 quarters
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 2026-08-06, from When Are 13F Filings Due? 2026 Deadlines.
| quarter | snapshot_date | day_45 | day_45_weekday | filing_deadline | deadline_weekday | days_after_quarter_end |
|---|---|---|---|---|---|---|
| Q1 2026 | Mar 31, 2026 | May 15 | Fri | May 15, 2026 | Fri | 45 |
| Q2 2026 | Jun 30, 2026 | Aug 14 | Fri | Aug 14, 2026 | Fri | 45 |
| Q3 2026 | Sep 30, 2026 | Nov 14 | Sat | Nov 16, 2026 | Mon | 47 |
| Q4 2026 | Dec 31, 2026 | Feb 14 | Sun | Feb 16, 2027 | Tue | 47 |
- Rows × columns
- 4 × 7
- Computed
- Completeness
- No missing values
- Source
- US exchange, SIP and OPRA market data
- Licence
- Strasmore terms · free, no signup
What each column holds
| Column | Type | Range | Notes |
|---|---|---|---|
quarter |
text | 4 distinct values (Q1 2026, Q2 2026, Q3 2026…) | |
snapshot_date |
text | 4 distinct values (Dec 31, 2026, Jun 30, 2026, Mar 31, 2026…) | |
day_45 |
text | 4 distinct values (Aug 14, Feb 14, May 15…) | |
day_45_weekday |
text | 3 distinct values (Fri, Sat, Sun) | |
filing_deadline |
text | 4 distinct values (Aug 14, 2026, Feb 16, 2027, May 15, 2026…) | |
deadline_weekday |
text | 3 distinct values (Fri, Mon, Tue) | |
days_after_quarter_end |
number | 45 to 47 |
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 , and the query below is what returned them.
Run it yourself
This is the exact query behind the result above. Change a ticker, a date or a column and run it against the warehouse — no account, no key. The no-signup tier is smaller than the one this page was computed on; a query that reaches past it comes back saying which plan runs it.
SELECT
concat('Q', toString(toQuarter(quarter_end_date)), ' ', toString(toYear(quarter_end_date))) AS quarter,
formatDateTime(quarter_end_date, '%b %e, %Y') AS snapshot_date,
formatDateTime(quarter_end_date + 45, '%b %e') AS day_45,
formatDateTime(quarter_end_date + 45, '%a') AS day_45_weekday,
formatDateTime(deadline, '%b %e, %Y') AS filing_deadline,
formatDateTime(deadline, '%a') AS deadline_weekday,
toUInt16(dateDiff('day', quarter_end_date, deadline)) AS days_after_quarter_end
FROM
(
SELECT
quarter_end_date,
arrayFilter(
d -> (toDayOfWeek(d) <= 5)
AND NOT has([toDate('2026-05-25'), toDate('2026-06-19'), toDate('2026-07-03'),
toDate('2026-09-07'), toDate('2026-10-12'), toDate('2026-11-11'),
toDate('2026-11-26'), toDate('2026-12-25'), toDate('2027-01-01'),
toDate('2027-01-18'), toDate('2027-02-15')], d),
arrayMap(i -> (quarter_end_date + 45) + i, range(7))
)[1] AS deadline
FROM
(
SELECT arrayJoin([toDate('2026-03-31'), toDate('2026-06-30'),
toDate('2026-09-30'), toDate('2026-12-31')]) AS quarter_end_date
)
)
ORDER BY quarter_end_date