# Hereditary

> Sundance reactions and a paid campaign preceded a $13.6 million domestic opening.

- Owner: A24
- Kind: Film
- Sector: Entertainment
- Seed date: 2018-01-21
- Peak proxy date: Week of Jun 8, 2018
- Date basis: Proxy date; not a directly measured attention peak. Dates use the stated precision; chart positions are date anchors.
- Spread Score: 56 (Notable), v1.2
- Mechanics: Press loop, Platform jump, Controversy, Maker origin

## Summary

Sundance reactions fed trailer coverage. A24 added mailed props, digital promotion and targeted TV ads. A record domestic opening was followed by a critic–audience split, explanation videos and A24's worldwide box-office record.

## Timeline

- 2017-12-19 — Sundance Institute (Press) — Sundance added Hereditary to its Midnight lineup as a world premiere.
- 2018-01-21 — Ari Aster (Box office) — Hereditary premiered in Sundance's Midnight section.
- 2018-01-22 — Sundance attendees (X) — Oscar and Sasha Lane posted reactions after the Sundance premiere.

The full timeline, metrics and sources are on the case page, or via the Pro API (https://howitspread.com/developers).

Canonical URL: https://howitspread.com/cases/hereditary-film

Cite as: How It Spread (2026). “Hereditary.” Case HIS-01265. Spread Score v1.2: 56/100. Updated 2026-10-22. https://howitspread.com/id/HIS-01265