BILLIONTOONE INC CL A BLLN

US Healthcare Services-Medical Laboratories
$120.35
-1.6%
52w: $64.03 – $130.18

Latest 13F among current holders filed 37 days ago (May 29, 2026)

Price — last 12 months

research preview data
64.0397.10130.18
Nov 6, 2025 Jul 2, 2026
Institutional holders
89
+0 QoQ
13F value
$875.1M
+10.8% QoQ
Smart-money holders
15
signal tier ≥ 2
New smart buyers
2
Q1 2026
Options barometer
0.4×
$1.7M calls / $3.8M puts

Institutional value by quarter

$790.0M
Q4 2025
$875.1M
Q1 2026

Number of holders

89
Q4 2025
89
Q1 2026

Who owns BLLN?

Q1 2026 filings
FundTypeSharesValue% of fundChange
ADAMS STREET PARTNERS LLC ★2Fundamental diversified1.7M$135.1M51.9%Held
BAILLIE GIFFORD & CO ★2Long only active1.3M$99.5M0.1%-0.6%
Civilization Ventures Management, LLC ★2Fundamental diversified1.1M$86.8M98.7%Held
BAMCO INC /NY/ Other741.5K$58.5M0.2%+336.2%
PRICE T ROWE ASSOCIATES INC /MD/ Diversified mechanical737.5K$58.2M0.0%+52.0%
NVP ASSOCIATES, LLC ★2Fundamental diversified513.3K$40.5M23.0%Held
NEUBERGER BERMAN GROUP LLC Diversified mechanical709.2K$37.8M0.0%+1.2%
Invesco Ltd. Index provider406.5K$32.1M0.0%+114.2%
WASATCH ADVISORS LP Other369.6K$29.2M0.2%New
JPMORGAN CHASE & CO Bank broker283.1K$19.9M0.0%-27.8%
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC Bank broker240.6K$19.0M0.0%+5.7%
EMERALD ADVISERS, LLC Other239.6K$18.9M0.6%+26.8%
Napean Trading & Investment Co (Singapore) PTE Ltd ★3Fundamental concentrated233.3K$18.4M7.9%Held
ALLIANCEBERNSTEIN L.P. Long only active223.3K$18.3M0.0%+7.0%
AMERIPRISE FINANCIAL INC Bank broker220.0K$17.4M0.0%+80.0%
VANGUARD CAPITAL MANAGEMENT LLC Diversified mechanical182.5K$14.4M0.0%
Capital International Investors Long only active178.0K$14.1M0.0%Held
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ Other159.6K$12.6M0.0%-2.3%
VANGUARD PORTFOLIO MANAGEMENT LLC Diversified mechanical151.2K$11.9M0.0%
EMERALD MUTUAL FUND ADVISERS TRUST Other132.2K$10.4M0.5%+11.9%
Penn Capital Management Company, LLC Other126.3K$10.0M0.8%New
UBS Group AG Bank broker121.6K$9.6M0.0%+284.8%
BlackRock, Inc. Index provider95.2K$7.5M0.0%+33.3%
PERCEPTIVE ADVISORS LLC ★2Fundamental diversified91.8K$7.2M0.1%+26.1%
NEXT CENTURY GROWTH INVESTORS LLC Other90.6K$7.1M0.5%+147.0%
GEODE CAPITAL MANAGEMENT, LLC Index provider89.1K$7.0M0.0%+8.6%
NEW YORK STATE COMMON RETIREMENT FUND Diversified mechanical88.7K$7.0M0.0%+1633.1%
PFM Health Sciences, LP ★2Fundamental diversified88.1K$7.0M0.7%+0.6%
TWO SIGMA INVESTMENTS, LP Quant stat arb82.8K$6.5M0.0%New
Ensign Peak Advisors, Inc Diversified mechanical51.5K$4.1M0.0%New
RENAISSANCE TECHNOLOGIES LLC Quant stat arb51.3K$4.0M0.0%New
Deep Track Capital, LP ★2Fundamental diversified50.0K$3.9M0.1%Held
LORD, ABBETT & CO. LLC Other44.3K$3.5M0.0%-4.4%
TD Asset Management Inc Diversified mechanical43.1K$3.4M0.0%+61.3%
MANUFACTURERS LIFE INSURANCE COMPANY, THE Diversified mechanical30.5K$2.4M0.0%+151.8%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC Index provider28.1K$2.2M0.0%+5.5%
VANGUARD FIDUCIARY TRUST CO Diversified mechanical27.8K$2.2M0.0%
SEVEN GRAND MANAGERS, LLC ★2Fundamental diversified25.0K$2.0M0.1%Held
Squarepoint Ops LLC Quant stat arb22.9K$1.8M0.0%+190.8%
Universal- Beteiligungs- und Servicegesellschaft mbH Diversified mechanical20.6K$1.6M0.0%+25.0%
Blue Water Life Science Advisors, LP ★3Fundamental concentrated20.0K$1.6M1.3%New
STATE STREET CORP Index provider19.7K$1.6M0.0%-8.8%
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO Diversified mechanical19.5K$1.5M0.0%New
Russell Investments Group, Ltd. Diversified mechanical18.7K$1.5M0.0%New
F/m Investments LLC Other16.9K$1.3M0.1%New
SOROS FUND MANAGEMENT LLC ★2Value conviction14.5K$1.1M0.0%Held
DEUTSCHE BANK AG\ Bank broker13.6K$1.1M0.0%New
SEI INVESTMENTS CO Diversified mechanical13.4K$1.1M0.0%New
XTX Topco Ltd Market maker13.2K$1.0M0.0%-36.3%
BANK OF AMERICA CORP /DE/ Bank broker12.7K$1.0M0.0%+8603.4%

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