- Defs
- 0
- Obs
- 0
- Firms
- 2
- Policy
- 0
- Reports
- 1
Public source dossierAgency reportGovernment Accountability Office
Institutional Investor Ownership of Single-Family Rental Homes
GAO report on institutional investor ownership shares in selected single-family rental housing markets.
This dossier follows one source through the observatory without widening its stated scope.
Evidence topology
Where this source enters the observatory
2/7 direct domains · 0 normalized indicators · 1 market · 2026Encoded row volume · log scaleExact counts shown
Public sourceInstitutional Investor Ownership of Single-Family Rental HomesGovernment Accountability Office / 2 active routes / 2026
- Record identitygao-institutional-sfr-2026Government Accountability Office, 2026
- Source classAgency reportAccessed Jun 21, 2026
- Encoded scope2 active routes3 direct / 0 indicator rows
- Permitted inferenceTrace + reproduceNo automatic endorsement or comparability
Evidence topology
Where this record enters the observatory
Definitions0Not encodedObservations0Not encodedParticipants2participant rowsPolicy 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-definition row is encoded for this source.
Observation
No observation row in this release.
Confidence labels describe the observatory's use of linked measurement and definition rows. They are not grades for the publisher or the source as a whole.
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
Government Accountability Office, Rental Housing: Institutional Investor Ownership of Single-Family Rental Homes, GAO-26-108675, March 2026.
GAO report on institutional investor ownership shares in selected single-family rental housing markets.
Canonical source citation
Government Accountability Office, Rental Housing: Institutional Investor Ownership of Single-Family Rental Homes, GAO-26-108675, March 2026. Available at https://www.gao.gov/products/gao-26-108675. Accessed Jun 21, 2026. Antitrust Radar source record gao-institutional-sfr-2026: https://antitrustradar.org/sources/gao-institutional-sfr-2026
- Publisher
- Government Accountability Office
- Access date
- Jun 21, 2026
- License note
- Public federal government report
- 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
2
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.