DOSSIER · 13F Holders · Q2 2026
BLLN

BILLIONTOONE INC

147 institutions still hold BILLIONTOONE INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 090168105·147 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$1.3B
visible holders
Holders
147
filers reporting
Concentration
15.26%
ADAMS STREET PARTNERS LLC #1
top holder share
AI Holders Summary · Q2 2026

147 institutions reported BLLN in Q2 2026. ADAMS STREET PARTNERS LLC leads at 15.3% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
ADAMS STREET PARTNERS LLC
CIK 0001193586
$205M1.7M46.39%Q2 2026
02
BAILLIE GIFFORD & CO
CIK 0001088875
$108M901K0.10%Q2 2026
03
Vanguard Portfolio Management
CIK 0002100121· Index
$101M841K0.00%Q2 2026
04
Invesco Ltd.
CIK 0000914208
$100M836K0.01%Q2 2026
05
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$96M799K0.00%Q2 2026
06
Neuberger Berman Group LLC
CIK 0001465109
$92M764K0.06%Q2 2026
07
BAMCO INC /NY/
CIK 0001017918
$89M742K0.13%Q2 2026
08
WASATCH ADVISORS LP
CIK 0000814133
$62M518K0.41%Q2 2026
09
PRICE T ROWE ASSOCIATES INC /MD/
CIK 0000080255
$58M738K0.01%Q1 2026
10
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$51M425K0.02%Q2 2026
11
FULLER & THALER ASSET MANAGEMENT, INC.
CIK 0001082327
$50M419K0.14%Q2 2026
12
EMERALD ADVISERS, LLC
CIK 0001015083
$45M376K1.06%Q2 2026
13
NEXT CENTURY GROWTH INVESTORS LLC
CIK 0001134007
$44M364K2.32%Q2 2026
14
UBS Group AG
CIK 0001610520
$41M344K0.01%Q2 2026
15
JPMORGAN CHASE & CO
CIK 0000019617
$41M340K0.00%Q2 2026
16
AMERIPRISE FINANCIAL INC
CIK 0000820027
$38M321K0.01%Q2 2026
17
OBERWEIS ASSET MANAGEMENT INC/
CIK 0000937886
$36M299K0.74%Q2 2026
18
WELLS FARGO & COMPANY/MN
CIK 0000072971
$33M272K0.01%Q2 2026
19
Napean Trading & Investment Co (Singapore) PTE Ltd
CIK 0002011874
$28M233K9.62%Q2 2026
20
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
CIK 0000861177
$27M224K0.00%Q2 2026
Page 1 of 8
127 more holders available. Log in →
Insiders at BILLIONTOONE INC
Ten Bosch John RoderickTsao DavidAtay OguzhanSakakibara Shan RikuJohnson Nancy Joann