- Defs
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- Obs
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- Firms
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- Policy
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- Reports
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Public source dossierAgency reportFederal Trade Commission and Department of Justice
Request for Information on Serial Acquisitions and Roll-Up Strategies
FTC and DOJ request for information on serial acquisitions and roll-up strategies including housing markets.
This dossier follows one source through the observatory without widening its stated scope.
Evidence topology
Where this source enters the observatory
1/7 direct domains · 0 normalized indicators · 1 market · 2026Encoded row volume · log scaleExact counts shown
Public sourceRequest for Information on Serial Acquisitions and Roll-Up StrategiesFederal Trade Commission and Department of Justice / 1 active routes / 2026
- Record identityftc-doj-rollups-2024Federal Trade Commission and Department of Justice, 2024
- Source classAgency reportAccessed Jun 21, 2026
- Encoded scope1 active route1 direct / 0 indicator rows
- Permitted inferenceTrace + reproduceNo automatic endorsement or comparability
Evidence topology
Where this record enters the observatory
Definitions0Not encodedObservations0Not encodedParticipants0Not encodedPolicy records0Not encodedReports1public reportsIndustries0Not encodedGeographies0Not encodedIndicators0Not encoded
A zero means this source has no encoded row in that evidence domain. It is a boundary in the current observatory release, not a claim that the underlying institution publishes no relevant evidence. Indicator observations are shown as a separate normalized route and are not added to direct-domain totals.
Market context
Markets reached by this source
Measurement releases
Definitions, observations, and participant rows
No market measurement rows encoded
This source currently contributes through policy chronology, report citation, or industry evidence rather than market definitions, observations, or participant shares.
Official record chronology
Policy records backed by this source
No official policy record encoded
This source is not currently attached to an enforcement, inquiry, remedy, settlement, or agency-report event in the public chronology.
Research reuse
Public reports citing this record
Published report
Jun 21, 2026
Housing Competition Needs Local Ownership Data
Read reportAn open brief explaining why housing affordability and supply stress require local competition data before HHI can be responsibly reported.
Harvard JCHS renter cost-burden data, Freddie Mac supply-shortage estimate, GAO selected single-family rental investor ownership data, and FTC/DOJ roll-up inquiry materials.
Industry observatory
NAICS concentration evidence
No NAICS industry rows encoded
This source does not back the Census national industry-concentration tables in the current release. Its other evidence-domain counts remain independently inspectable.
Citation custody
The record behind the rows
Federal Trade Commission and Department of Justice, Request for Information on Corporate Consolidation Through Serial Acquisitions and Roll-Up Strategies, May 2024.
FTC and DOJ request for information on serial acquisitions and roll-up strategies including housing markets.
Canonical source citation
Federal Trade Commission and Department of Justice, Request for Information on Corporate Consolidation Through Serial Acquisitions and Roll-Up Strategies, May 2024. Available at https://www.ftc.gov/system/files/ftc_gov/pdf/Serial%20Acquisition%20RFI_5.22.24.pdf. Accessed Jun 21, 2026. Antitrust Radar source record ftc-doj-rollups-2024: https://antitrustradar.org/sources/ftc-doj-rollups-2024
- Publisher
- Federal Trade Commission and Department of Justice
- Access date
- Jun 21, 2026
- License note
- Public federal government request for information
- Archive
- No archive URL recorded
Source-scoped data packet
Reusable public endpoints
1
Source record
Citation, publisher, access, and license
0
Definitions
Product, geography, denominator, and limits
0
Observations
HHI, market size, status, and methodology
0
Participants
Firm shares, rank, aggregate flags, and custody
0
Official records
Dated enforcement and policy chronology
0
Named edges
Exact organization roles in official records
0
Event windows
Bounded pre, event-year, and post HHI context
1
Reports
Published observatory work citing this source
Interpretation boundary
Use the source at its encoded scope
A source dossier documents how this observatory uses one public record. It does not endorse every claim in that record, make unlike measures comparable, or extend the source beyond its stated product, geography, population, and vintage.