COMPANY DOSSIER
Kaiser Foundation Hospitals Layoffs
Yes. Kaiser Foundation Hospitals filed 46 WARN notices to cut 338 jobs in Pleasanton, California, with the layoffs effective Oct 10, 2025. The most recent was filed Oct 13, 2025 under the federal WARN Act.
338 roles affected across 46 filings.
Canary status: SingingEVIDENCE-BASED · NOT A PREDICTION
No WARN filing or SEC event in the recent window — quiet on the wire right now.
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 Kaiser Foundation Hospitals's solvency or creditworthiness. Not a credit rating and not financial advice. See our sources and method.
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Filing history
Kaiser Foundation Hospitals has filed 46 WARN notices in 2025, cutting 338 jobs in total. Up 1007% year-on-year: 310 jobs cut in the last 12 months vs 28 the year before.
338
2025
Every filing
Pleasanton, California
Filed Oct 13, 2025 (9mo ago) · Effective Oct 10, 2025 · official filing →
3
LayoffREMOTE · SLIVER
San Francisco, California
Filed Oct 13, 2025 (9mo ago) · Effective Oct 10, 2025 · official filing →
2
LayoffREMOTE · SLIVER
Petaluma, California
Filed Oct 13, 2025 (9mo ago) · Effective Oct 10, 2025 · official filing →
1
LayoffREMOTE · SLIVER
Redwood City, California
Filed Oct 6, 2025 (9mo ago) · Effective Sep 17, 2025 · official filing →
20
LayoffDowney, California
Filed Oct 6, 2025 (9mo ago) · Effective Sep 17, 2025 · official filing →
2
LayoffREMOTE · SLIVER
Corona, California
Filed Oct 6, 2025 (9mo ago) · Effective Sep 17, 2025 · official filing →
2
LayoffREMOTE · SLIVER
Corona, California
Filed Oct 6, 2025 (9mo ago) · Effective Sep 17, 2025 · official filing →
1
LayoffREMOTE · SLIVER
San Leandro, California
Filed Oct 6, 2025 (9mo ago) · Effective Sep 17, 2025 · official filing →
40
LayoffOakland, California
Filed Oct 6, 2025 (9mo ago) · Effective Sep 17, 2025 · official filing →
74
LayoffPasadena, California
Filed Oct 6, 2025 (9mo ago) · Effective Sep 17, 2025 · official filing →
1
LayoffREMOTE · SLIVER
Pleasanton, California
Filed Oct 6, 2025 (9mo ago) · Effective Sep 17, 2025 · official filing →
43
LayoffLos Angeles, California
Filed Oct 6, 2025 (9mo ago) · Effective Sep 17, 2025 · official filing →
1
LayoffREMOTE · SLIVER
Walnut Creek, California
Filed Oct 6, 2025 (9mo ago) · Effective Sep 17, 2025 · official filing →
1
LayoffREMOTE · SLIVER
Pasadena, California
Filed Oct 6, 2025 (9mo ago) · Effective Sep 17, 2025 · official filing →
15
LayoffPasadena, California
Filed Oct 6, 2025 (9mo ago) · Effective Sep 17, 2025 · official filing →
1
LayoffREMOTE · SLIVER
San Diego, California
Filed Oct 6, 2025 (9mo ago) · Effective Sep 17, 2025 · official filing →
1
LayoffREMOTE · SLIVER
Downey, California
Filed Oct 6, 2025 (9mo ago) · Effective Sep 17, 2025 · official filing →
1
LayoffREMOTE · SLIVER
Pasadena, California
Filed Oct 6, 2025 (9mo ago) · Effective Sep 17, 2025 · official filing →
7
LayoffOakland, California
Filed Oct 6, 2025 (9mo ago) · Effective Sep 17, 2025 · official filing →
6
LayoffPleasanton, California
Filed Sep 15, 2025 (10mo ago) · Effective Sep 15, 2025 · official filing →
5
LayoffREMOTE · SLIVER
Pasadena, California
Filed Sep 8, 2025 (10mo ago) · Effective Sep 8, 2025 · official filing →
2
LayoffREMOTE · SLIVER
Pasadena, California
Filed Sep 8, 2025 (10mo ago) · Effective Sep 8, 2025 · official filing →
1
LayoffREMOTE · SLIVER
Pleasanton, California
Filed Sep 8, 2025 (10mo ago) · Effective Sep 8, 2025 · official filing →
14
LayoffWalnut Creek, California
Filed Sep 8, 2025 (10mo ago) · Effective Sep 8, 2025 · official filing →
1
LayoffREMOTE · SLIVER
Pleasanton, California
Filed Aug 25, 2025 (11mo ago) · Effective Aug 25, 2025 · official filing →
3
LayoffREMOTE · SLIVER
Pasadena, California
Filed Aug 25, 2025 (11mo ago) · Effective Aug 25, 2025 · official filing →
2
LayoffREMOTE · SLIVER
Corona, California
Filed Aug 25, 2025 (11mo ago) · Effective Aug 25, 2025 · official filing →
1
LayoffREMOTE · SLIVER
Corona, California
Filed Aug 25, 2025 (11mo ago) · Effective Aug 25, 2025 · official filing →
2
LayoffREMOTE · SLIVER
Oakland, California
Filed Aug 18, 2025 (11mo ago) · Effective Aug 4, 2025 · official filing →
2
LayoffREMOTE · SLIVER
Pleasanton, California
Filed Aug 18, 2025 (11mo ago) · Effective Aug 4, 2025 · official filing →
8
LayoffPasadena, California
Filed Aug 18, 2025 (11mo ago) · Effective Aug 4, 2025 · official filing →
1
LayoffREMOTE · SLIVER
San Rafael, California
Filed Aug 18, 2025 (11mo ago) · Effective Aug 4, 2025 · official filing →
42
LayoffCorona, California
Filed Aug 18, 2025 (11mo ago) · Effective Aug 4, 2025 · official filing →
2
LayoffREMOTE · SLIVER
Corona, California
Filed Aug 18, 2025 (11mo ago) · Effective Aug 4, 2025 · official filing →
2
LayoffREMOTE · SLIVER
Oakland, California
Filed Jul 28, 2025 (1y ago) · Effective Jul 28, 2025 · official filing →
6
LayoffPleasanton, California
Filed Jul 28, 2025 (1y ago) · Effective Jul 28, 2025 · official filing →
4
LayoffREMOTE · SLIVER
San Diego, California
Filed Jul 28, 2025 (1y ago) · Effective Jul 28, 2025 · official filing →
1
LayoffREMOTE · SLIVER
Pasadena, California
Filed Jul 28, 2025 (1y ago) · Effective Jul 28, 2025 · official filing →
1
LayoffREMOTE · SLIVER
Pasadena, California
Filed Jul 28, 2025 (1y ago) · Effective Jul 28, 2025 · official filing →
1
LayoffREMOTE · SLIVER
Pasadena, California
Filed Jul 28, 2025 (1y ago) · Effective Jul 28, 2025 · official filing →
3
LayoffREMOTE · SLIVER
Pleasanton, California
Filed Jul 21, 2025 (1y ago) · Effective Jul 21, 2025 · official filing →
3
LayoffREMOTE · SLIVER
San Rafael, California
Filed Jul 21, 2025 (1y ago) · Effective Jul 21, 2025 · official filing →
1
LayoffREMOTE · SLIVER
Pasadena, California
Filed Jul 14, 2025 (1y ago) · Effective Jul 14, 2025 · official filing →
3
LayoffREMOTE · SLIVER
Pleasanton, California
Filed Jul 14, 2025 (1y ago) · Effective Jul 14, 2025 · official filing →
2
LayoffREMOTE · SLIVER
Pleasanton, California
Filed Jul 7, 2025 (1y ago) · Effective Jul 7, 2025 · official filing →
2
LayoffREMOTE · SLIVER
Vallejo, California
Filed Jul 7, 2025 (1y ago) · Effective Jul 7, 2025 · official filing →
1
LayoffREMOTE · SLIVER
Questions
Is Kaiser Foundation Hospitals laying off employees?
Yes. Kaiser Foundation Hospitals filed 46 WARN notices to cut 338 jobs in Pleasanton, California, with the layoffs effective Oct 10, 2025. The most recent was filed Oct 13, 2025 under the federal WARN Act.
How many jobs is Kaiser Foundation Hospitals cutting?
338 jobs, across 46 official WARN filings.
When do the Kaiser Foundation Hospitals layoffs take effect?
The most recent filing lists an effective date of Oct 10, 2025. The WARN Act requires roughly 60 days' advance notice, so the filing date precedes the job losses.
Watching Kaiser Foundation Hospitals?
We'll email you if there are further filings, expansions, or new locations affected.