BillionToOne Inc
84 13F filers hold $BLLN.
Smart Money · top-200 alpha cohort
4 holders · Q1 2026$BLLN is held by 4 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 0.02%, with an average of 0.01% of portfolio. Largest holder: Bellevue Group AG at 0.02%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.
Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.
Institutional holders
Top 10 of 84 · Source: 13F-HRInsider activity · last 90 days
No Form 4 filings on record for $BLLN in the recent window.
Congress trades · last 90 days
No STOCK Act filings reference $BLLN in the recent window.
Source data: SEC EDGAR · 13F-HR · Form 4 · U.S. House Clerk PTR (disclosures-clerk.house.gov) · Senate eFD (senate.gov) · Last refreshed 10:14 UTC.