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BILLIONTOONE INC (BLLN)

Name: BILLIONTOONE INC (BLLN) — Institutional ownership, SEC filings and insider activity
Creator: Sightfile
License: https://www.sec.gov/privacy#dissemination

Institutional ownership, SEC filings and insider activity

Sector: Healthcare & Pharma · SEC CIK 0002070849 · EDGAR filings · Updated 2026-07-20

BILLIONTOONE INC (BLLN) has reported institutional ownership of 101.4%, with 89 institutional managers holding positions valued at $875.1M per the latest 13F reporting period.

Institutional ownership

101.4%

Institutional managers

Reported 13F value

$875.1M

Insider activity

117 trans.

$3.18M net buying

Latest updates

2026-07-20 — Insider transaction reported (Form 4)
2026-07-16 — Notice of proposed sale filed (Form 144)
2026-07-15 — Insider transaction reported (Form 4)
2026-07-15 — Insider transaction reported (Form 4)
2026-07-13 — Insider transaction reported (Form 4)
2026-07-13 — Insider transaction reported (Form 4)

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, BILLIONTOONE INC has 89 institutional holders and institutional ownership of 101.4%.

Insider activity

Insiders reported 117 transactions (11 buys, 0 sells) across 15 reporting insiders, with a net reported value of $3.18M.

Related companies

CAREDX INC (CDNA) · ARDENT HEALTH INC (ARDT) · CYTOMX THERAPEUTICS INC. (CTMX) · ANNEXON (ANNX) · INHIBRX BIOSCIENCES INC (INBX) · SONIDA SENIOR LIVING INC (SNDA)

See full history, cross-references and alerts on Sightfile

Sightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-07-20.