{"slug":"how-often-mutual-funds-change-holdings","qid":"filing_lag_trend","label":"filing_lag_trend","post_title":"how-often-mutual-funds-change-holdings","post_url":"/blog/how-often-mutual-funds-change-holdings#q-filing_lag_trend","columns":["month","filings","median_days_to_file","p90_days_to_file"],"rows":[{"month":"2024-06","filings":64,"median_days_to_file":129,"p90_days_to_file":171},{"month":"2024-09","filings":7442,"median_days_to_file":38,"p90_days_to_file":45},{"month":"2024-12","filings":8121,"median_days_to_file":41,"p90_days_to_file":45},{"month":"2025-03","filings":8101,"median_days_to_file":38,"p90_days_to_file":45},{"month":"2025-06","filings":8144,"median_days_to_file":38,"p90_days_to_file":45},{"month":"2025-09","filings":8151,"median_days_to_file":38,"p90_days_to_file":45},{"month":"2025-12","filings":8864,"median_days_to_file":40,"p90_days_to_file":48},{"month":"2026-03","filings":8890,"median_days_to_file":37,"p90_days_to_file":45},{"month":"2026-06","filings":8898,"median_days_to_file":37,"p90_days_to_file":45}],"shape":"series","sql":"SELECT\n    formatDateTime(period_end, '%Y-%m')                         AS month,\n    count()                                                     AS filings,\n    round(quantileDeterministic(0.5)(days_to_file, hash_id), 0) AS median_days_to_file,\n    round(quantileDeterministic(0.9)(days_to_file, hash_id), 0) AS p90_days_to_file\nFROM\n(\n    SELECT\n        cityHash64(accession_number)                                          AS hash_id,\n        toDateOrNull(toString(any(period)))                                   AS period_end,\n        dateDiff('day', toDateOrNull(toString(any(period))), any(filing_date)) AS days_to_file\n    FROM global_markets.stocks_13f_filings\n    WHERE form_type LIKE '13F-HR%'\n      AND form_type NOT LIKE '%/A'\n      AND filing_date >= today() - 730\n    GROUP BY accession_number\n)\nWHERE period_end IS NOT NULL\n  AND days_to_file BETWEEN 0 AND 200\nGROUP BY month\nHAVING count() >= 50\nORDER BY month","computed_at":"2026-09-28T15:55:36.721425+00:00","elapsed":47.719471944}