Companies

Hennessy Advisors, Inc.: data breach filings, state by state

Hennessy Advisors, Inc. has 3 data breach filings on record in 3 government portals. The latest was reported to Texas AG on Feb 25, 2026, with 729 Texas residents. Data exposed, as filed: Social Security number, Financial / bank account, Driver's license / state ID.

1,075residents counted in 2 states (TX, MA). Latest filing per state, last twelve months
12,643people in total, as reported to Texas AG on Feb 25, 2026
3filings in 3 government portals
Feb 25, 2026latest filing, Texas AG

By portal

PortalFilingsLatest reportPeople in the latest filing
Texas AG1Feb 25, 2026729 Texas residents
Massachusetts OCABR1Feb 24, 2026346 Massachusetts residents
California AG1Feb 24, 2026Not published

Counts are the organization's own, as filed with each agency. Most state portals count their own residents only, so no single state shows the whole incident. An organization can file more than once for the same incident, and for different ones.

The next state to file on Hennessy Advisors, Inc. reaches subscribers within the hour. With the count, the data exposed and the letter. The Team plan follows the companies and vendors you name in every state. Start a 14-day free trial.
Not today? Take the free Monday digest: the week's filings by state and the largest by people affected. Once a week.

Every filing

OrganizationSourceStateReportedResidents affectedData exposed
Hennessy Advisors, Inc. Texas AG TX Feb 25, 2026 729 Social Security numberFinancial / bank accountName
Hennessy Advisors, Inc. Massachusetts OCABR MA Feb 24, 2026 346 Social Security numberFinancial / bank accountDriver's license / state ID
Hennessy Advisors, Inc. California AG CA Feb 24, 2026 Not published Name

Data reproduced from public government filings. Each row opens the record with the agency link. Spot an error? Email support@breachtally.com with the page link. Corrections are applied and noted.