BillionToOne, Inc. (BLLN) Institutional Ownership & Insider Trading
156 institutions reported holding BillionToOne, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 182 insider trades on Form 4 since 2025-10-01.
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
BLLNBillionToOne, Inc.Follow BLLN — free
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- Market cap
- 5.1B
- P/E TTM
- 193.9
- Dividend yield
- —
- 52-week
- —
- Next earnings
- 4 Nov, in 11 days
Institutions · all 13F filers
quarter to 30 Jun 2026 · filers in both quarters156 institutions held 32.4% of the shares. Across filers that reported both quarters, shares held changed +34.6%.
Largest moves, shares (millions)
Institutional flow by quarter
net shares added or trimmed, millions · filers in both quarters| Quarter | Holders | Shares held, M | Change | Increased | New | Decreased | Closed |
|---|---|---|---|---|---|---|---|
| Jun 26 | 156 | 15 | +34.6% | 48 | 75 | 12 | 11 |
| Mar 26 | 89 | 11 | +18.6% | 30 | 25 | 12 | 26 |
| Dec 25 | 87 | 9 | — | — | — | — | — |
BillionToOne, Inc. — questions
- Who owns BillionToOne, Inc. stock?
- 156 institutions reported BillionToOne, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: ADAMS STREET PARTNERS LLC (3.6%), PRICE T ROWE ASSOCIATES INC /MD/ (2.1%), BAILLIE GIFFORD & CO (1.9%).
- Are BillionToOne, Inc. insiders buying or selling?
- 182 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.
Every figure on this page comes from BillionToOne, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.
How these figures are read: methodology · EquiReason.