BillionToOne Inc

Each fund name links to that filer's expert page. Share counts and per-fund weights are pending the 13F ingest fix (portfolios_expertholding.units is currently mis-populated — see the same caveat on the fund detail page's holdings table). Quarter-over-quarter delta ships with the metrics pipeline.

See all 84 13F holders · Pro →

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.

Bellevue Group AG

0.02% held

α +12.2pts

RiverPark Advisors, LLC

0.02% held

α +21.5pts

UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC

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.

Insider activity · last 90 days

No insider activity

No Form 4 filings on record for $BLLN in the recent window.

Congress trades · last 90 days

No Congress trades

No STOCK Act filings reference $BLLN in the recent window.

Convergence · Pattern Engine ships in v1.1

30-day window

In development

Convergence detection for $BLLN lands with the Pattern Engine.

Once the Pattern Engine ships, this section will surface every active convergence event involving $BLLN — the institutional managers and Congress members on the same name, the 30-day window, and the combined position size.

Source data: SEC EDGAR · 13F-HR · Form 4 · CapitolTrades · Last refreshed 13:26 UTC.