Skip to main content

BillionToOne, Inc.

BLLN
Exchange
Nasdaq
Industry
Services-Medical Laboratories
SEC CIK
0002070849

In the last 90 days, BillionToOne, Inc. insiders filed 0 open-market purchases and 21 sales; 155 institutions reported holding it in 13F filings for Q2 2026, worth $1.82B in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in BillionToOne, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
155
+65 vs. Q1 2026
Shares held
15.3M
+3.94M (+34.7%) vs. Q1 2026
Total value
$1.82B
+$947.5M (+108.3%) vs. Q1 2026
New holders
76
50 more added
Sold out
11
13 more reduced

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting BLLN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 155 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 0 institutionsQ4 2025: 90 institutionsQ1 2026: 90 institutionsQ2 2026: 155 institutions
Value heldQ2 2026: $1.82B
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $0Q4 2025: $789.7MQ1 2026: $875.1MQ2 2026: $1.82B
Institutions holding BLLN and their total value by quarter
QuarterHoldersValue
Q2 2026155$1.82B
Q1 202690$875.1M
Q4 202590$789.7M
Q3 20250$0
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding BillionToOne, Inc.; share changes are against Q1 2026.

Institutions holding BLLN in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Two Sigma Investments, LP30,176$3.62M0.00%−52,600−63.5%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH32,532$3.90M0.01%+11,937+58.0%Added
State Street Corp35,718$4.29M0.00%+16,018+81.3%Added
Regents of the University of California40,863$4.90M0.11%+40,863New
Manufacturers Life Insurance Company, The41,697$5.00M0.00%+11,191+36.7%Added
Vanguard Fiduciary Trust Co42,874$5.14M0.00%+15,083+54.3%Added
Weiss Asset Management LP43,057$5.17M0.06%+43,057New
F/M Investments LLC43,600$5.23M0.27%+26,692+157.9%Added
Fox Hill Wealth Management43,724$5.25M2.10%+43,724New
Marshall Wace, LLP44,662$5.36M0.00%+44,662New
Jump Financial, LLC46,300$5.56M0.05%+46,300New
Ensign Peak Advisors, Inc51,427$6.17M0.01%−74−0.1%Reduced
Susquehanna International Group, LLP54,598$6.55M0.01%+42,112+337.3%Added
Verition Fund Management LLC57,000$6.84M0.05%+57,000New
Bank of America Corp59,040$7.08M0.00%+46,333+364.6%Added
TD Asset Management Inc63,482$7.62M0.01%+20,374+47.3%Added
Blue Water Life Science Advisors, LLC70,000$8.40M5.29%+50,000+250.0%Added
Greenwich Wealth Management LLC71,625$8.59M0.31%+71,625New
Massachusetts Financial Services Co78,977$9.48M0.00%−80,596−50.5%Reduced
HRT Financial LP80,709$9.68M0.02%+80,709New
Healthcare of Ontario Pension Plan Trust Fund83,300$9.99M0.01%+83,300New
Lord, Abbett & Co. LLC86,293$10.4M0.03%+42,004+94.8%Added
Perceptive Advisors LLC86,812$10.4M0.16%−5,000−5.4%Reduced
Geode Capital Management, LLC87,934$10.6M0.00%−1,180−1.3%Reduced
T. Rowe Price Investment Management, Inc.92,957$11.2M0.01%+92,957New
Renaissance Technologies LLC96,600$11.6M0.02%+45,346+88.5%Added
Fred Alger Management, LLC114,123$13.7M0.05%+114,123New
BlackRock, Inc.114,281$13.7M0.00%+19,121+20.1%Added
Voloridge Investment Management, LLC117,063$14.0M0.06%+117,063New
New York State Common Retirement Fund117,771$14.1M0.02%+29,089+32.8%Added
Goldman Sachs Group Inc120,325$14.4M0.00%+116,167+2,793.8%Added
BNP Paribas Arbitrage, SA122,527$14.7M0.01%+122,519+1,531,487.5%Added
Penn Capital Management Co Inc129,602$15.5M0.99%+3,267+2.6%Added
Alliancebernstein L.P.262,103$20.7M0.01%+38,852+17.4%Added
Emerald Mutual Fund Advisers Trust203,990$24.5M0.86%+71,784+54.3%Added
UBS Asset Management Americas Inc223,933$26.9M0.00%−16,654−6.9%Reduced
Napean Trading & Investment Co (Singapore) PTE Ltd233,333$28.0M9.62%00.0%Unchanged
Wells Fargo & Company271,554$32.6M0.01%+270,446+24,408.5%Added
Oberweis Asset Management Inc299,030$35.9M0.74%+299,030New
Ameriprise Financial Inc320,612$38.5M0.01%+100,577+45.7%Added
JPMorgan Chase & Co340,371$41.0M0.00%+57,231+20.2%Added
UBS Group AG344,287$41.3M0.01%+222,683+183.1%Added
Next Century Growth Investors LLC364,467$43.7M2.32%+273,903+302.4%Added
Emerald Advisers, LLC375,858$45.1M1.06%+136,296+56.9%Added
Fuller & Thaler Asset Management, Inc.418,565$50.2M0.14%+418,565New
Millennium Management LLC425,032$51.0M0.03%+425,032New
Wasatch Advisors Inc518,084$62.2M0.41%+148,446+40.2%Added
Bamco Inc742,093$89.0M0.13%+608+0.1%Added
Neuberger Berman Group LLC764,215$91.7M0.06%+55,001+7.8%Added
Vanguard Capital Management LLC799,468$95.9M0.00%+617,005+338.2%Added
Invesco Ltd.835,614$100.3M0.01%+429,102+105.6%Added
Vanguard Portfolio Management LLC840,970$100.9M0.00%+689,757+456.1%Added
Baillie Gifford & Co901,420$108.2M0.10%−358,573−28.5%Reduced
Price T Rowe Associates Inc1,010,322$121.2M0.01%+272,804+37.0%Added
Adams Street Partners LLC1,711,430$205.3M46.39%00.0%Unchanged
NVP Associates, LLC0$00.00%−513,330−100.0%Sold out
Capital International Investors0$00.00%−178,000−100.0%Sold out
PFM Health Sciences, LP0$00.00%−88,069−100.0%Sold out
Deep Track Capital, LP0$00.00%−50,000−100.0%Sold out
Public Employees Retirement System of Ohio0$00.00%−19,499−100.0%Sold out
Soros Fund Management LLCSuperinvestorSoros Fund Management0$00.00%−14,500−100.0%Sold out
Nomura Holdings Inc0$00.00%−8,600−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−7,716−100.0%Sold out
Alyeska Investment Group, L.P.0$00.00%−7,000−100.0%Sold out
Walleye Capital LLC0$00.00%−5,956−100.0%Sold out
MYDA Advisors LLC0$00.00%−4,000−100.0%Sold out