{
 "as_of": "2026-11-08",
 "cmr": "us-cm-kg/NASDAQ/BLLN",
 "fence": "The page is the record's research on the issuer — no analyst, no rating, no view.",
 "markdown": "The page is the record's research on the issuer — no analyst, no rating, no view.\n\n# BillionToOne, Inc. (NASDAQ: BLLN) — research page\n\nAs of 2026-11-08 · us-cm-kg · record version 1\n\n## Identity and listing\n\nThe issuer is BillionToOne, Inc., listed on NASDAQ under ticker BLLN, with ISIN US0901681058. The LEI is not on the record, as no GLEIF record with the exact legal name in jurisdiction US-DE was found. The security type is Corporate, the sector is 8071 Services-Medical Laboratories, and the jurisdiction is United States, Delaware. The segment is not on the record. The listing status is listed, not halted.\n\n## The disclosure read\n\nThe record holds 152 filings in the twelve months to 2026-11-08, across 66 filing days. The median gap between filing days is 2 days. The latest filing is dated 2026-11-04 and is of type directors_dealings, 4 days before the record date. The NASDAQ median cadence gap is 6.0 days across 4359 issuers, and the NASDAQ median latency is 5.0 days. The sector median cadence gap is 5.5 days across 29 issuers, and the sector median latency is 3 days. The issuer's 152 filings sit above the NASDAQ median of 52 and above the sector median of 79.\n\n## Auditor\n\nThe auditor of record is PricewaterhouseCoopers LLP, located in Florham Park, New Jersey. The record holds no auditor changes.\n\n## Events and halts\n\nThe lifecycle lines on the record are listings dated 2025-11-03 and 2025-11-05. No delisting, name change or domicile change is on the record, and the segment move is not on the record. The halt flag reads listed, not halted.\n\n## Orderability\n\nThe outcome is not determinable under rule version acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1. The chapter's orderability section carries no client categories, so the outcome cannot name its client category. The chapter is as of 2026-11-04.\n\n## Coverage\n\nNo research houses were found on the issuer's investor-relations pages read. The count is 0.\n\n## Open research\n\nNo openly published research notes were found on the record. The count is 0.\n\n## Licensed\n\nLicensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded.\n\n## As-of depth\n\nThe issuer's sealed years are 2025 and 2026. The market's earliest sealed date is 2021-01-04. The live record began on 2026-09-12.\n\n## Sources\n\n8 source pages are named on this page; every value above carries its own source page and read date in the numbers.\n\n- https://www.sec.gov/files/company_tickers_exchange.json (identity.exchange)\n- https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data (identity.isin)\n- https://data.sec.gov/submissions/CIK0002070849.json (identity.jurisdiction)\n- https://mcp.us-cm-kg.ai/events/NASDAQ/BLLN (the disclosure lines)\n- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)\n- https://www.sec.gov/Archives/edgar/data/2070849/000207084926000017/blln-20251231.htm (the auditor)\n- https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter)\n- https://mcp.us-cm-kg.ai/record/NASDAQ/BLLN (the record)\n",
 "market": "US",
 "node": "us-cm-kg",
 "numbers": {
  "as_of_depth": {
   "issuer_years_sealed": [
    "2025",
    "2026"
   ],
   "live_record_began": "2026-09-12",
   "node_history_from": "2021-01-04",
   "node_years_sealed": [
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    "2022",
    "2023",
    "2024",
    "2025",
    "2026"
   ],
   "record_version": 1,
   "sealed": true
  },
  "auditor": {
   "auditor": {
    "read_by": "EDGAR 10-K cover page iXBRL tag (dei:AuditorName, dei:AuditorLocation, dei:AuditorFirmId, dei:DocumentPeriodEndDate)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://www.sec.gov/Archives/edgar/data/2070849/000207084926000017/blln-20251231.htm",
    "state": "sourced",
    "value": "PricewaterhouseCoopers LLP"
   },
   "auditor_firm_id": {
    "read_by": "EDGAR 10-K cover page iXBRL tag (dei:AuditorName, dei:AuditorLocation, dei:AuditorFirmId, dei:DocumentPeriodEndDate)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://www.sec.gov/Archives/edgar/data/2070849/000207084926000017/blln-20251231.htm",
    "state": "sourced",
    "value": "238"
   },
   "auditor_location": {
    "read_by": "EDGAR 10-K cover page iXBRL tag (dei:AuditorName, dei:AuditorLocation, dei:AuditorFirmId, dei:DocumentPeriodEndDate)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://www.sec.gov/Archives/edgar/data/2070849/000207084926000017/blln-20251231.htm",
    "state": "sourced",
    "value": "Florham Park, New Jersey"
   },
   "changes": []
  },
  "cmr": "us-cm-kg/NASDAQ/BLLN",
  "coverage": {
   "count": 0,
   "houses": [],
   "pages_checked": [],
   "read_by": "Perplexity sonar (search) · page read by this rail",
   "read_date": "2026-11-11",
   "since": null,
   "state": "none_found"
  },
  "disclosure": {
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     "median_cadence_gap_days": 6,
     "median_filings": 52,
     "median_latency_days": 5,
     "name": "NASDAQ"
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    "sector": {
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     "median_cadence_gap_days": 5.5,
     "median_filings": 79,
     "median_latency_days": 3,
     "name": "8071 Services-Medical Laboratories"
    }
   },
   "by_type": {
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    "corporate_news": 3,
    "directors_dealings": 72,
    "regulatory_filing": 64,
    "results": 11
   },
   "cadence_median_gap_days": 2,
   "filing_days": 66,
   "filings": 152,
   "latency_days": 4,
   "latest": [
    {
     "category": "4",
     "date": "2026-11-04",
     "source": "https://www.sec.gov/Archives/edgar/data/2070849/000208854926000019/xslF345X06/wk-form4_1793842951.xml",
     "title": "4 — FORM 4",
     "type": "directors_dealings"
    },
    {
     "category": "4",
     "date": "2026-11-04",
     "source": "https://www.sec.gov/Archives/edgar/data/2070849/000208712726000017/xslF345X06/wk-form4_1793842925.xml",
     "title": "4 — FORM 4",
     "type": "directors_dealings"
    },
    {
     "category": "4",
     "date": "2026-11-04",
     "source": "https://www.sec.gov/Archives/edgar/data/2070849/000208712626000020/xslF345X06/wk-form4_1793842971.xml",
     "title": "4 — FORM 4",
     "type": "directors_dealings"
    },
    {
     "category": "10-Q",
     "date": "2026-11-04",
     "source": "https://www.sec.gov/Archives/edgar/data/2070849/000207084926000082/blln-20260930.htm",
     "title": "10-Q — 10-Q",
     "type": "results"
    },
    {
     "category": "8-K",
     "date": "2026-11-04",
     "source": "https://www.sec.gov/Archives/edgar/data/2070849/000207084926000078/blln-20261104.htm",
     "title": "8-K — 8-K (items 2.02,9.01)",
     "type": "results"
    }
   ],
   "latest_filing_date": "2026-11-04",
   "read": "the node's event lines (list_events_since), as get_filings serves them",
   "source": "https://mcp.us-cm-kg.ai/events/NASDAQ/BLLN",
   "window": {
    "from": "2025-11-08",
    "to": "2026-11-08"
   }
  },
  "identity": {
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    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://www.sec.gov/files/company_tickers_exchange.json",
    "state": "sourced",
    "value": "NASDAQ"
   },
   "isin": {
    "read_by": "SEC Fails-to-Deliver data (CUSIP for the symbol) · ISIN = US + CUSIP + ISO 6166 check digit",
    "read_date": "2026-10-01",
    "read_date_basis": "last_seen",
    "source": "https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data",
    "state": "sourced",
    "value": "US0901681058"
   },
   "jurisdiction": {
    "read_by": "EDGAR submissions API (issuer header as filed) (stateOfIncorporation)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://data.sec.gov/submissions/CIK0002070849.json",
    "state": "sourced",
    "value": "United States — Delaware"
   },
   "lei": {
    "market": "US",
    "reason": "no GLEIF record with the exact legal name in jurisdiction US-DE",
    "state": "not_on_record"
   },
   "name": {
    "read_by": "EDGAR submissions API (issuer header as filed)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://data.sec.gov/submissions/CIK0002070849.json",
    "state": "sourced",
    "value": "BillionToOne, Inc."
   },
   "sector": {
    "read_by": "EDGAR submissions API (issuer header as filed) (SIC code as assigned by the SEC)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://data.sec.gov/submissions/CIK0002070849.json",
    "state": "sourced",
    "value": "8071 Services-Medical Laboratories"
   },
   "security_type": {
    "read_by": "EDGAR submissions API (issuer header as filed)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://data.sec.gov/submissions/CIK0002070849.json",
    "state": "sourced",
    "value": "Corporate"
   },
   "segment": {
    "market": "US",
    "state": "not_on_record"
   },
   "ticker": {
    "read_by": "EDGAR company_tickers_exchange.json (SEC list of exchange-listed filers)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://www.sec.gov/files/company_tickers_exchange.json",
    "state": "sourced",
    "value": "BLLN"
   },
   "website": {
    "market": "US",
    "state": "not_on_record"
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  "licensed": {
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    "entitlement",
    "title",
    "date",
    "source"
   ],
   "rows": [],
   "rule": "A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded."
  },
  "lifecycle": {
   "delisting": [],
   "domicile_change": {
    "market": "US",
    "reason": "EDGAR states no dated change of state of incorporation on a filing line",
    "state": "not_on_record"
   },
   "listing": [
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     "date": "2025-11-03",
     "source": "https://www.sec.gov/Archives/edgar/data/2070849/000119312525262540/d807931d8a12b.htm",
     "title": "8-A12B — 8-A12B"
    },
    {
     "date": "2025-11-05",
     "source": "https://www.sec.gov/Archives/edgar/data/2070849/000135445725001097/BLLN_8A_Cert_2070849.pdf",
     "title": "CERT"
    }
   ],
   "name_change": [],
   "segment_move": {
    "market": "US",
    "reason": "the exchanges' tier transfers are not EDGAR filings",
    "state": "not_on_record"
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  "market": "US",
  "node": "us-cm-kg",
  "numbers_hash": "sha256:60d35bb56b096a322c7acd2fe247a4f5bd00f08e9dc29be8826d66f99c1f1209",
  "open_research": {
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   "rows": [],
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  "orderability": {
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   "client_categories": [],
   "determinable": false,
   "read": {
    "chapter": "https://mcp.us-cm-kg.ai/book/aio.json",
    "door": "https://mcp.us-cm-kg.ai/mcp",
    "tool": "get_orderability"
   },
   "reason": "the chapter's orderability section carries no client_categories: the outcome cannot name its client category",
   "rule_version": "acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1",
   "section": "us.aio.v8"
  },
  "record": {
   "as_of": "2026-11-08",
   "url": "https://mcp.us-cm-kg.ai/record/NASDAQ/BLLN",
   "version": 1
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  "schema": "research-numbers v0.1 (USR-01, 2026-11-11)",
  "status": {
   "read_date": "2026-11-08",
   "source": "https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts",
   "value": "listed, not halted"
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 },
 "numbers_hash": "sha256:60d35bb56b096a322c7acd2fe247a4f5bd00f08e9dc29be8826d66f99c1f1209",
 "path": "/us/NASDAQ/BLLN",
 "schema": "research-page v0.1 (USR-02, 2026-11-11)",
 "sections": [
  {
   "id": "identity",
   "text": "The issuer is BillionToOne, Inc., listed on NASDAQ under ticker BLLN, with ISIN US0901681058. The LEI is not on the record, as no GLEIF record with the exact legal name in jurisdiction US-DE was found. The security type is Corporate, the sector is 8071 Services-Medical Laboratories, and the jurisdiction is United States, Delaware. The segment is not on the record. The listing status is listed, not halted.",
   "title": "Identity and listing"
  },
  {
   "id": "disclosure",
   "text": "The record holds 152 filings in the twelve months to 2026-11-08, across 66 filing days. The median gap between filing days is 2 days. The latest filing is dated 2026-11-04 and is of type directors_dealings, 4 days before the record date. The NASDAQ median cadence gap is 6.0 days across 4359 issuers, and the NASDAQ median latency is 5.0 days. The sector median cadence gap is 5.5 days across 29 issuers, and the sector median latency is 3 days. The issuer's 152 filings sit above the NASDAQ median of 52 and above the sector median of 79.",
   "title": "The disclosure read"
  },
  {
   "id": "auditor",
   "text": "The auditor of record is PricewaterhouseCoopers LLP, located in Florham Park, New Jersey. The record holds no auditor changes.",
   "title": "Auditor"
  },
  {
   "id": "events",
   "text": "The lifecycle lines on the record are listings dated 2025-11-03 and 2025-11-05. No delisting, name change or domicile change is on the record, and the segment move is not on the record. The halt flag reads listed, not halted.",
   "title": "Events and halts"
  },
  {
   "id": "orderability",
   "text": "The outcome is not determinable under rule version acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1. The chapter's orderability section carries no client categories, so the outcome cannot name its client category. The chapter is as of 2026-11-04.",
   "title": "Orderability"
  },
  {
   "id": "coverage",
   "text": "No research houses were found on the issuer's investor-relations pages read. The count is 0.",
   "title": "Coverage"
  },
  {
   "id": "open_research",
   "text": "No openly published research notes were found on the record. The count is 0.",
   "title": "Open research"
  },
  {
   "id": "licensed",
   "text": "Licensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded.",
   "title": "Licensed"
  },
  {
   "id": "depth",
   "text": "The issuer's sealed years are 2025 and 2026. The market's earliest sealed date is 2021-01-04. The live record began on 2026-09-12.",
   "title": "As-of depth"
  },
  {
   "id": "sources",
   "text": "8 source pages are named on this page; every value above carries its own source page and read date in the numbers.",
   "title": "Sources"
  }
 ],
 "sources": [
  {
   "for": "identity.exchange",
   "source": "https://www.sec.gov/files/company_tickers_exchange.json"
  },
  {
   "for": "identity.isin",
   "source": "https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data"
  },
  {
   "for": "identity.jurisdiction",
   "source": "https://data.sec.gov/submissions/CIK0002070849.json"
  },
  {
   "for": "the disclosure lines",
   "source": "https://mcp.us-cm-kg.ai/events/NASDAQ/BLLN"
  },
  {
   "for": "the halt flag",
   "source": "https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts"
  },
  {
   "for": "the auditor",
   "source": "https://www.sec.gov/Archives/edgar/data/2070849/000207084926000017/blln-20251231.htm"
  },
  {
   "for": "the orderability chapter",
   "source": "https://mcp.us-cm-kg.ai/book/aio.json"
  },
  {
   "for": "the record",
   "source": "https://mcp.us-cm-kg.ai/record/NASDAQ/BLLN"
  }
 ],
 "title": "BillionToOne, Inc. (BLLN) — research page",
 "writer": {
  "by": "Claude through the platform account, Haiku class; one pass; checked against the numbers",
  "engine": "claude-haiku-5-5"
 }
}