ALNY earnings date, and what happened the last 4 times

Next report

Thu Oct 29

Quality Score today 3

Before the open, in 3 days. Confirmed by the company.

ALNY closed higher after 1 of its last 4 reports. On average it closed -9.1% the session after a report.

The moment ALNY reports

Its figures, in plain words
How it moves after, beside its last four
Its Quality Score going in, and after

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What happened after ALNY's last 4 reports

ALNY's last 4 earnings reports
Reported	Score going in	Gap	Reaction	5 sessions
Jul 30, 20262026 · Before open	2estimated	-21.5%	-28.3%	-20.2%
Apr 30, 20262026 · Before open	6estimated	+2.1%	+2.8%	+0.6%
Feb 12, 20262026 · Before open	7estimated	-2.4%	-4.3%	+5.3%
Oct 30, 20252025 · Before open	11estimated	-6.6%	-6.7%	-9.8%

Jul 30, 2026, before the open: that session ALNY opened -21.5% and closed -28.3%, and five sessions on it stood -20.2%. Its Quality Score going in was 2 (Below Average), estimated.
Apr 30, 2026, before the open: that session ALNY opened +2.1% and closed +2.8%, and five sessions on it stood +0.6%. Its Quality Score going in was 6 (Average), estimated.
Feb 12, 2026, before the open: that session ALNY opened -2.4% and closed -4.3%, and five sessions on it stood +5.3%. Its Quality Score going in was 7 (Average), estimated.
Oct 30, 2025, before the open: that session ALNY opened -6.6% and closed -6.7%, and five sessions on it stood -9.8%. Its Quality Score going in was 11 (Above Average), estimated.

Across these 4 reports ALNY opened higher after 1 of 4 and closed higher after 1 of 4; on average it opened -7.1%, closed -9.1%, and stood -6.0% five sessions on. Its Quality Score is 3 today, against 2 going into its Jul 30, 2026 report.

Gap: where the stock opened the session after the report. Reaction: where that session closed. Both against the close before the report. The largest of the 4: -28.3% after the Jul 30, 2026 report. A score marked estimated was worked out afterwards from that day's prices and filings; Breakaway has recorded every score live since Sep 9 2026.

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Questions about ALNY's earnings

As of Oct 26, 2026: Alnylam Pharmaceuticals (ALNY): reports Thu Oct 29, before the open. ALNY closed higher after 1 of its last 4 reports. Its Quality Score is 3 (Below Average). Scores as of 11:11 PM ET, 15 minutes behind.

When is ALNY's next earnings date?

Reports Thu Oct 29, before the open, a date the company confirmed. ALNY closed higher after 1 of its last 4 reports. Past behavior, not a forecast.

Does ALNY report before or after the market?

ALNY reports Thu Oct 29, before the open. Its last 4 reports came before the open.

How did ALNY stock react to its last earnings report?

Jul 30, 2026, before the open: that session ALNY opened -21.5% and closed -28.3%, and five sessions on it stood -20.2%.

Does ALNY stock usually go up after earnings?

ALNY closed higher after 1 of its last 4 reports. On average it closed -9.1% the session after a report, after opening -7.1%. Past behavior, not a forecast.

Alnylam Pharmaceuticals' page has its Quality Score, its chart, and its insiders' trades. Everyone reporting beside it: this week's earnings.