COMPANY DOSSIER

Is Pacific Biosciences of California laying off workers?

Not according to official filings. There is no WARN layoff notice from Pacific Biosciences of California in the last 12 months. The most recent was filed Apr 9, 2025 for 70 jobs in Menlo Park, California. WARN covers larger layoffs only, so smaller cuts may not appear.

249 roles affected across 3 filings.

Canary status: CallingEVIDENCE-BASED · NOT A PREDICTION
1 SEC restructuring disclosure (8-K Item 2.05) · heavy executive turnover (6 SEC leadership-change filings) · M&A activity (SEC 8-K Item 2.01)
CanaryWhistle's own assessment, computed from the public filings listed on this page. It is a read of hiring and workforce activity, not a statement about Pacific Biosciences of California's solvency or creditworthiness. Not a credit rating and not financial advice. See our sources and method.
ClinicalCustomer Support

Filing history

Pacific Biosciences of California has filed 3 WARN notices between 2024 and 2025, cutting 249 jobs in total. No new filings in the last 12 months. The most recent was Apr 9, 2025.

179
70
2024
2025
Corporate signalsSEC · PBGC · PRIMARY SOURCES

Material corporate events on record for Pacific Biosciences of California, beyond the WARN notice, that fill in the wider story of a company under pressure. Each links to its official source. No other layoff tracker connects these.

Aug 5, 2026RestructuringSEC Form 8-K, Item 2.05, filed 2026-08-05 by PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB).SEC filing →
Aug 5, 2026Executive ChangeSEC Form 8-K, Item 5.02, filed 2026-08-05 by PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB).SEC filing →
Jul 9, 2026Executive ChangeSEC Form 8-K, Item 5.02, filed 2026-07-09 by PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB).SEC filing →
Jun 4, 2026Executive ChangeSEC Form 8-K, Item 5.02, filed 2026-06-04 by PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB).SEC filing →
Mar 6, 2026Executive ChangeSEC Form 8-K, Item 5.02, filed 2026-03-06 by PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB).SEC filing →
Mar 5, 2026Executive ChangeSEC Form 8-K, Item 5.02, filed 2026-03-05 by PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB).SEC filing →
Feb 3, 2026Executive ChangeSEC Form 8-K, Item 5.02, filed 2026-02-03 by PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB).SEC filing →
Feb 2, 2026AcquisitionSEC Form 8-K, Item 2.01, filed 2026-02-02 by PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB).SEC filing →
Jun 6, 2025Executive ChangeSEC Form 8-K, Item 5.02, filed 2025-06-06 by PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB).SEC filing →
Apr 9, 2025RestructuringSEC Form 8-K, Item 2.05, filed 2025-04-09 by PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB).SEC filing →
Mar 27, 2025Executive ChangeSEC Form 8-K, Item 5.02, filed 2025-03-27 by PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB).SEC filing →
Jan 30, 2025Executive ChangeSEC Form 8-K, Item 5.02, filed 2025-01-30 by PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB).SEC filing →

Every filing

Menlo Park, California
Filed Apr 9, 2025 (1y ago) · Effective Jun 8, 2025 · official filing →
70
Layoff
Menlo Park, California
Filed Apr 29, 2024 (2y ago) · Effective Jun 28, 2024 · official filing →
71
Layoff
San Diego, California
Filed Apr 29, 2024 (2y ago) · Effective Jun 28, 2024 · official filing →
108
Closure

Questions

Is Pacific Biosciences of California laying off employees?

Not according to official filings. There is no WARN layoff notice from Pacific Biosciences of California in the last 12 months. The most recent was filed Apr 9, 2025 for 70 jobs in Menlo Park, California. WARN covers larger layoffs only, so smaller cuts may not appear.

How many jobs is Pacific Biosciences of California cutting?

249 jobs across all 3 official WARN filings on record since 2024.

When do the Pacific Biosciences of California layoffs take effect?

The most recent filing lists an effective date of Jun 8, 2025. The WARN Act requires roughly 60 days' advance notice, so the filing date precedes the job losses.

Is Pacific Biosciences of California on a list you care about?

Paste your suppliers, customers or holdings at /monitor and see which of them have filed a layoff that has not happened yet. A WARN notice is filed about 60 days before the jobs go, so those are still ahead of you. Free to check, no account, and we do not store your list.

Watching Pacific Biosciences of California?

We'll email you if there are further filings, expansions, or new locations affected.

Explore related layoff data

All Healthcare layoffsCalifornia layoffs

Other healthcare employers cutting jobs