{"license":"https://creativecommons.org/licenses/by/4.0/","dataset":"research-coverage","mode":"sectors","updatedThrough":"2026-08-15","count":17,"summary":{"sectorCount":17,"profiledSectorCount":5,"unprofiledSectorCount":12,"detailedIndustryCount":899,"publishedHhiCount":679,"withheldHhiCount":220,"strictHistoryMatchCount":789,"historyHhiPairedCount":543,"marketCount":12,"mappedNaicsCount":10,"policyEventCount":14,"reportCount":8,"researchSourceCount":28,"unmappedPublishedHhiCount":672,"topHhiDecileThreshold":1081.4},"guardrail":"Coverage records catalog what the observatory currently publishes. They do not score research quality, economic importance, enforcement merit, or legal-market relevance, and missing coverage is not evidence that competition concerns are absent.","queueGuardrail":"The screening queue orders published six-digit Census HHI records that lack an exact curated market mapping. It is a reproducible discovery aid, not a research priority list, legal market definition, or finding of anticompetitive conduct.","filters":{"view":"matrix","viewMatched":true,"status":"all","statusMatched":true,"sort":"research","sortMatched":true,"sector":null,"sectorMatched":true},"rows":[{"sectorCode":"51","sectorNaicsCode":"51","sectorName":"Information","coverageStatus":"profiled","detailedIndustryCount":29,"publishedHhiCount":17,"withheldHhiCount":12,"publishedHhiSharePercent":58.6,"medianHhi":638.2,"topHhiDecileCount":4,"historyPairedCount":11,"historyHhiPairedCount":6,"historyCoveragePercent":37.9,"medianHhiChange":56.4,"marketCount":7,"mappedNaicsCount":5,"policyEventCount":6,"reportCount":4,"sourceCount":11,"marketSlugs":["us-ai-assistant-usage","us-browser-usage","us-fixed-broadband-access","us-mobile-operating-system-usage","us-mobile-wireless-service","us-search-engine-usage","us-social-media-referral-traffic"],"eventIds":["evt-ai-partnerships-report-2025","evt-google-search-complaint-2020","evt-google-search-liability-2024","evt-google-search-remedies-2025","evt-wireless-marketplace-report-2024","evt-wireless-merger-settlement-2019"],"reportSlugs":["digital-gateways-brief","fixed-broadband-geographic-concentration-2020-2024","hhi-primer","us-competition-landscape-2026"],"sourceIds":["doj-google-search-case-2020","doj-google-search-remedies-2025","doj-tmobile-sprint-settlement-2019","fcc-2024-cmr","fcc-internet-access-dec-2024","ftc-ai-partnerships-report-2025","statcounter-ai-chatbot-us-2026","statcounter-browser-us-2026","statcounter-mobile-os-us-2026","statcounter-search-us-2026","statcounter-social-referral-us-2026"],"profileHref":"/industries/51#sector-antitrust-dossier","historyHref":"/trends/industries?sector=51#industry-sector-change-atlas","guardrail":"Coverage records catalog what the observatory currently publishes. They do not score research quality, economic importance, enforcement merit, or legal-market relevance, and missing coverage is not evidence that competition concerns are absent."},{"sectorCode":"52","sectorNaicsCode":"52","sectorName":"Finance and insurance","coverageStatus":"profiled","detailedIndustryCount":29,"publishedHhiCount":27,"withheldHhiCount":2,"publishedHhiSharePercent":93.1,"medianHhi":405.8,"topHhiDecileCount":8,"historyPairedCount":23,"historyHhiPairedCount":21,"historyCoveragePercent":79.3,"medianHhiChange":-4.1,"marketCount":2,"mappedNaicsCount":2,"policyEventCount":4,"reportCount":3,"sourceCount":5,"marketSlugs":["us-aca-individual-health-insurance","us-pharmacy-benefit-management"],"eventIds":["evt-pbm-caremark-settlement-2026","evt-pbm-express-scripts-settlement-2026","evt-pbm-insulin-complaint-2024","evt-pbm-interim-report-2024"],"reportSlugs":["public-data-gaps","state-individual-insurance-concentration-2024","us-competition-landscape-2026"],"sourceIds":["ftc-caremark-settlement-2026","ftc-express-scripts-settlement-2026","ftc-pbm-insulin-complaint-2024","ftc-pbm-interim-2024","kff-individual-insurance-market-2024"],"profileHref":"/industries/52#sector-antitrust-dossier","historyHref":"/trends/industries?sector=52#industry-sector-change-atlas","guardrail":"Coverage records catalog what the observatory currently publishes. They do not score research quality, economic importance, enforcement merit, or legal-market relevance, and missing coverage is not evidence that competition concerns are absent."},{"sectorCode":"53","sectorNaicsCode":"53","sectorName":"Real estate and rental and leasing","coverageStatus":"profiled","detailedIndustryCount":24,"publishedHhiCount":17,"withheldHhiCount":7,"publishedHhiSharePercent":70.8,"medianHhi":116.9,"topHhiDecileCount":2,"historyPairedCount":24,"historyHhiPairedCount":16,"historyCoveragePercent":100,"medianHhiChange":2.3,"marketCount":1,"mappedNaicsCount":1,"policyEventCount":2,"reportCount":2,"sourceCount":6,"marketSlugs":["us-rental-housing-access"],"eventIds":["evt-realpage-complaint-2024","evt-realpage-proposed-settlement-2025"],"reportSlugs":["housing-competition-data-gap","us-competition-landscape-2026"],"sourceIds":["doj-realpage-case-2024","doj-realpage-settlement-2025","freddie-mac-housing-supply-2024","ftc-doj-rollups-2024","gao-institutional-sfr-2026","jchs-rental-housing-2026"],"profileHref":"/industries/53#sector-antitrust-dossier","historyHref":"/trends/industries?sector=53#industry-sector-change-atlas","guardrail":"Coverage records catalog what the observatory currently publishes. They do not score research quality, economic importance, enforcement merit, or legal-market relevance, and missing coverage is not evidence that competition concerns are absent."},{"sectorCode":"48","sectorNaicsCode":"48-49","sectorName":"Transportation and warehousing","coverageStatus":"profiled","detailedIndustryCount":54,"publishedHhiCount":38,"withheldHhiCount":16,"publishedHhiSharePercent":70.4,"medianHhi":277.4,"topHhiDecileCount":4,"historyPairedCount":53,"historyHhiPairedCount":35,"historyCoveragePercent":98.1,"medianHhiChange":-0.8,"marketCount":1,"mappedNaicsCount":1,"policyEventCount":2,"reportCount":2,"sourceCount":3,"marketSlugs":["us-airline-domestic-passengers"],"eventIds":["evt-airlines-competition-inquiry-2024","evt-airlines-jetblue-spirit-decision-2024"],"reportSlugs":["public-data-gaps","us-competition-landscape-2026"],"sourceIds":["bts-transtats-2026","doj-air-travel-inquiry-2024","doj-jetblue-spirit-ruling-2024"],"profileHref":"/industries/48-49#sector-antitrust-dossier","historyHref":"/trends/industries?sector=48#industry-sector-change-atlas","guardrail":"Coverage records catalog what the observatory currently publishes. They do not score research quality, economic importance, enforcement merit, or legal-market relevance, and missing coverage is not evidence that competition concerns are absent."},{"sectorCode":"31","sectorNaicsCode":"31-33","sectorName":"Manufacturing","coverageStatus":"profiled","detailedIndustryCount":346,"publishedHhiCount":271,"withheldHhiCount":75,"publishedHhiSharePercent":78.3,"medianHhi":439.3,"topHhiDecileCount":37,"historyPairedCount":327,"historyHhiPairedCount":238,"historyCoveragePercent":94.5,"medianHhiChange":12.4,"marketCount":1,"mappedNaicsCount":1,"policyEventCount":0,"reportCount":2,"sourceCount":3,"marketSlugs":["us-steer-heifer-meatpacking-purchases"],"eventIds":[],"reportSlugs":["meatpacking-buyer-power","us-competition-landscape-2026"],"sourceIds":["census-ecnsize-concentration-2017","census-ecnsize-concentration-2022","usda-ers-meatpacking-2024"],"profileHref":"/industries/31-33#sector-antitrust-dossier","historyHref":"/trends/industries?sector=31#industry-sector-change-atlas","guardrail":"Coverage records catalog what the observatory currently publishes. They do not score research quality, economic importance, enforcement merit, or legal-market relevance, and missing coverage is not evidence that competition concerns are absent."},{"sectorCode":"21","sectorNaicsCode":"21","sectorName":"Mining, quarrying, and oil and gas extraction","coverageStatus":"gap","detailedIndustryCount":21,"publishedHhiCount":17,"withheldHhiCount":4,"publishedHhiSharePercent":81,"medianHhi":559.2,"topHhiDecileCount":2,"historyPairedCount":15,"historyHhiPairedCount":11,"historyCoveragePercent":71.4,"medianHhiChange":10,"marketCount":0,"mappedNaicsCount":0,"policyEventCount":0,"reportCount":0,"sourceCount":0,"marketSlugs":[],"eventIds":[],"reportSlugs":[],"sourceIds":[],"profileHref":"/industries/21#sector-antitrust-dossier","historyHref":"/trends/industries?sector=21#industry-sector-change-atlas","guardrail":"Coverage records catalog what the observatory currently publishes. They do not score research quality, economic importance, enforcement merit, or legal-market relevance, and missing coverage is not evidence that competition concerns are absent."},{"sectorCode":"22","sectorNaicsCode":"22","sectorName":"Utilities","coverageStatus":"gap","detailedIndustryCount":14,"publishedHhiCount":9,"withheldHhiCount":5,"publishedHhiSharePercent":64.3,"medianHhi":615.9,"topHhiDecileCount":1,"historyPairedCount":14,"historyHhiPairedCount":7,"historyCoveragePercent":100,"medianHhiChange":-23.9,"marketCount":0,"mappedNaicsCount":0,"policyEventCount":0,"reportCount":0,"sourceCount":0,"marketSlugs":[],"eventIds":[],"reportSlugs":[],"sourceIds":[],"profileHref":"/industries/22#sector-antitrust-dossier","historyHref":"/trends/industries?sector=22#industry-sector-change-atlas","guardrail":"Coverage records catalog what the observatory currently publishes. They do not score research quality, economic importance, enforcement merit, or legal-market relevance, and missing coverage is not evidence that competition concerns are absent."},{"sectorCode":"23","sectorNaicsCode":"23","sectorName":"Construction","coverageStatus":"gap","detailedIndustryCount":31,"publishedHhiCount":26,"withheldHhiCount":5,"publishedHhiSharePercent":83.9,"medianHhi":19.4,"topHhiDecileCount":0,"historyPairedCount":31,"historyHhiPairedCount":24,"historyCoveragePercent":100,"medianHhiChange":1.6,"marketCount":0,"mappedNaicsCount":0,"policyEventCount":0,"reportCount":0,"sourceCount":0,"marketSlugs":[],"eventIds":[],"reportSlugs":[],"sourceIds":[],"profileHref":"/industries/23#sector-antitrust-dossier","historyHref":"/trends/industries?sector=23#industry-sector-change-atlas","guardrail":"Coverage records catalog what the observatory currently publishes. They do not score research quality, economic importance, enforcement merit, or legal-market relevance, and missing coverage is not evidence that competition concerns are absent."},{"sectorCode":"42","sectorNaicsCode":"42","sectorName":"Wholesale trade","coverageStatus":"gap","detailedIndustryCount":69,"publishedHhiCount":55,"withheldHhiCount":14,"publishedHhiSharePercent":79.7,"medianHhi":360.8,"topHhiDecileCount":1,"historyPairedCount":67,"historyHhiPairedCount":44,"historyCoveragePercent":97.1,"medianHhiChange":17.5,"marketCount":0,"mappedNaicsCount":0,"policyEventCount":0,"reportCount":0,"sourceCount":0,"marketSlugs":[],"eventIds":[],"reportSlugs":[],"sourceIds":[],"profileHref":"/industries/42#sector-antitrust-dossier","historyHref":"/trends/industries?sector=42#industry-sector-change-atlas","guardrail":"Coverage records catalog what the observatory currently publishes. They do not score research quality, economic importance, enforcement merit, or legal-market relevance, and missing coverage is not evidence that competition concerns are absent."},{"sectorCode":"44","sectorNaicsCode":"44-45","sectorName":"Retail trade","coverageStatus":"gap","detailedIndustryCount":57,"publishedHhiCount":31,"withheldHhiCount":26,"publishedHhiSharePercent":54.4,"medianHhi":133.9,"topHhiDecileCount":3,"historyPairedCount":5,"historyHhiPairedCount":1,"historyCoveragePercent":8.8,"medianHhiChange":11.4,"marketCount":0,"mappedNaicsCount":0,"policyEventCount":0,"reportCount":0,"sourceCount":0,"marketSlugs":[],"eventIds":[],"reportSlugs":[],"sourceIds":[],"profileHref":"/industries/44-45#sector-antitrust-dossier","historyHref":"/trends/industries?sector=44#industry-sector-change-atlas","guardrail":"Coverage records catalog what the observatory currently publishes. They do not score research quality, economic importance, enforcement merit, or legal-market relevance, and missing coverage is not evidence that competition concerns are absent."},{"sectorCode":"54","sectorNaicsCode":"54","sectorName":"Professional, scientific, and technical services","coverageStatus":"gap","detailedIndustryCount":48,"publishedHhiCount":39,"withheldHhiCount":9,"publishedHhiSharePercent":81.3,"medianHhi":94.9,"topHhiDecileCount":0,"historyPairedCount":46,"historyHhiPairedCount":32,"historyCoveragePercent":95.8,"medianHhiChange":0,"marketCount":0,"mappedNaicsCount":0,"policyEventCount":0,"reportCount":0,"sourceCount":0,"marketSlugs":[],"eventIds":[],"reportSlugs":[],"sourceIds":[],"profileHref":"/industries/54#sector-antitrust-dossier","historyHref":"/trends/industries?sector=54#industry-sector-change-atlas","guardrail":"Coverage records catalog what the observatory currently publishes. They do not score research quality, economic importance, enforcement merit, or legal-market relevance, and missing coverage is not evidence that competition concerns are absent."},{"sectorCode":"56","sectorNaicsCode":"56","sectorName":"Administrative and support and waste management and remediation services","coverageStatus":"gap","detailedIndustryCount":44,"publishedHhiCount":30,"withheldHhiCount":14,"publishedHhiSharePercent":68.2,"medianHhi":182,"topHhiDecileCount":2,"historyPairedCount":43,"historyHhiPairedCount":26,"historyCoveragePercent":97.7,"medianHhiChange":10.7,"marketCount":0,"mappedNaicsCount":0,"policyEventCount":0,"reportCount":0,"sourceCount":0,"marketSlugs":[],"eventIds":[],"reportSlugs":[],"sourceIds":[],"profileHref":"/industries/56#sector-antitrust-dossier","historyHref":"/trends/industries?sector=56#industry-sector-change-atlas","guardrail":"Coverage records catalog what the observatory currently publishes. They do not score research quality, economic importance, enforcement merit, or legal-market relevance, and missing coverage is not evidence that competition concerns are absent."},{"sectorCode":"61","sectorNaicsCode":"61","sectorName":"Educational services","coverageStatus":"gap","detailedIndustryCount":14,"publishedHhiCount":12,"withheldHhiCount":2,"publishedHhiSharePercent":85.7,"medianHhi":75.6,"topHhiDecileCount":0,"historyPairedCount":14,"historyHhiPairedCount":10,"historyCoveragePercent":100,"medianHhiChange":-1.8,"marketCount":0,"mappedNaicsCount":0,"policyEventCount":0,"reportCount":0,"sourceCount":0,"marketSlugs":[],"eventIds":[],"reportSlugs":[],"sourceIds":[],"profileHref":"/industries/61#sector-antitrust-dossier","historyHref":"/trends/industries?sector=61#industry-sector-change-atlas","guardrail":"Coverage records catalog what the observatory currently publishes. They do not score research quality, economic importance, enforcement merit, or legal-market relevance, and missing coverage is not evidence that competition concerns are absent."},{"sectorCode":"62","sectorNaicsCode":"62","sectorName":"Health care and social assistance","coverageStatus":"gap","detailedIndustryCount":39,"publishedHhiCount":30,"withheldHhiCount":9,"publishedHhiSharePercent":76.9,"medianHhi":35.8,"topHhiDecileCount":1,"historyPairedCount":38,"historyHhiPairedCount":26,"historyCoveragePercent":97.4,"medianHhiChange":1.4,"marketCount":0,"mappedNaicsCount":0,"policyEventCount":0,"reportCount":0,"sourceCount":0,"marketSlugs":[],"eventIds":[],"reportSlugs":[],"sourceIds":[],"profileHref":"/industries/62#sector-antitrust-dossier","historyHref":"/trends/industries?sector=62#industry-sector-change-atlas","guardrail":"Coverage records catalog what the observatory currently publishes. They do not score research quality, economic importance, enforcement merit, or legal-market relevance, and missing coverage is not evidence that competition concerns are absent."},{"sectorCode":"71","sectorNaicsCode":"71","sectorName":"Arts, entertainment, and recreation","coverageStatus":"gap","detailedIndustryCount":25,"publishedHhiCount":19,"withheldHhiCount":6,"publishedHhiSharePercent":76,"medianHhi":192.2,"topHhiDecileCount":2,"historyPairedCount":25,"historyHhiPairedCount":14,"historyCoveragePercent":100,"medianHhiChange":-3.2,"marketCount":0,"mappedNaicsCount":0,"policyEventCount":0,"reportCount":0,"sourceCount":0,"marketSlugs":[],"eventIds":[],"reportSlugs":[],"sourceIds":[],"profileHref":"/industries/71#sector-antitrust-dossier","historyHref":"/trends/industries?sector=71#industry-sector-change-atlas","guardrail":"Coverage records catalog what the observatory currently publishes. They do not score research quality, economic importance, enforcement merit, or legal-market relevance, and missing coverage is not evidence that competition concerns are absent."},{"sectorCode":"72","sectorNaicsCode":"72","sectorName":"Accommodation and food services","coverageStatus":"gap","detailedIndustryCount":15,"publishedHhiCount":11,"withheldHhiCount":4,"publishedHhiSharePercent":73.3,"medianHhi":15,"topHhiDecileCount":1,"historyPairedCount":15,"historyHhiPairedCount":10,"historyCoveragePercent":100,"medianHhiChange":-1.2,"marketCount":0,"mappedNaicsCount":0,"policyEventCount":0,"reportCount":0,"sourceCount":0,"marketSlugs":[],"eventIds":[],"reportSlugs":[],"sourceIds":[],"profileHref":"/industries/72#sector-antitrust-dossier","historyHref":"/trends/industries?sector=72#industry-sector-change-atlas","guardrail":"Coverage records catalog what the observatory currently publishes. They do not score research quality, economic importance, enforcement merit, or legal-market relevance, and missing coverage is not evidence that competition concerns are absent."},{"sectorCode":"81","sectorNaicsCode":"81","sectorName":"Other services (except public administration)","coverageStatus":"gap","detailedIndustryCount":40,"publishedHhiCount":30,"withheldHhiCount":10,"publishedHhiSharePercent":75,"medianHhi":54.3,"topHhiDecileCount":0,"historyPairedCount":38,"historyHhiPairedCount":22,"historyCoveragePercent":95,"medianHhiChange":3.6,"marketCount":0,"mappedNaicsCount":0,"policyEventCount":0,"reportCount":0,"sourceCount":0,"marketSlugs":[],"eventIds":[],"reportSlugs":[],"sourceIds":[],"profileHref":"/industries/81#sector-antitrust-dossier","historyHref":"/trends/industries?sector=81#industry-sector-change-atlas","guardrail":"Coverage records catalog what the observatory currently publishes. They do not score research quality, economic importance, enforcement merit, or legal-market relevance, and missing coverage is not evidence that competition concerns are absent."}]}