Changelog
Public record of coverage changes, fixes and methodology updates. A quarter's 13F data completes up to 45 days after quarter end — see the data dictionary.
📊 Data Freshness (live)
Latest quarter 2026-Q2. Of 98 tracked institutions, 95 are aligned (97%); the 3 below lag behind. The SEC allows up to 45 days after quarter end; a few large managers (Vanguard, Janus) consistently file later than the rest.
| Manager | Latest Filing | Lag |
|---|---|---|
| Vanguard Group | 2025-Q4 | 2 qtr lag |
| Janus Henderson Group | 2026-Q1 | 1 qtr lag |
| Pershing Square Capital Management | 2026-Q1 | 1 qtr lag |
2026-10-08 — Data snapshot
- 98 institutions covered · 38 13F quarters (2000-Q4 → 2026-Q2) · 3,099,885 position rows · 20,663 securities in the entity mapping.
2026-10-08 — Public Data API v1 and Open Data pages
- Launched the free read-only JSON API: /api/v1/meta, /api/v1/funds, /api/v1/funds/{slug}, /api/v1/funds/{slug}/holdings, /api/v1/stocks/{symbol}.
- Published the entity mapping page with a full CSV download (symbol → company, GICS sector) and the data dictionary.
- Attribution, compare-funds and compare-stocks pages switched to path-style URLs; old query-string URLs redirect with 301.
- Chinese interface now renders localized fund names (e.g. 伯克希尔·哈撒韦 for Berkshire Hathaway).