DOSSIER · 13F Holders · Q1 2026
BLLN

BILLIONTOONE INC

101 institutions still hold BILLIONTOONE INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 090168105·101 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$789M
visible holders
Holders
101
filers reporting
Concentration
17.12%
ADAMS STREET PARTNERS LLC #1
top holder share
AI Holders Summary · Q1 2026

101 institutions reported BLLN in Q1 2026. ADAMS STREET PARTNERS LLC leads at 17.1% 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
$135M1.7M51.90%Q1 2026
02
BAILLIE GIFFORD & CO
CIK 0001088875
$99M1.3M0.10%Q1 2026
03
Civilization Ventures Management, LLC
CIK 0002112250
$87M1.1M98.75%Q1 2026
04
WASATCH ADVISORS LP
CIK 0000814133
$62M518K0.41%Q2 2026
05
BAMCO INC /NY/
CIK 0001017918
$59M741K0.18%Q1 2026
06
PRICE T ROWE ASSOCIATES INC /MD/
CIK 0000080255
$58M738K0.01%Q1 2026
07
NVP Associates, LLC
CIK 0001545692
$42M513K16.46%Q4 2025
08
Neuberger Berman Group LLC
CIK 0001465109
$38M709K0.03%Q1 2026
09
Invesco Ltd.
CIK 0000914208
$32M407K0.00%Q1 2026
10
JPMORGAN CHASE & CO
CIK 0000019617
$20M283K0.00%Q1 2026
11
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
CIK 0000861177
$19M241K0.00%Q1 2026
12
EMERALD ADVISERS, LLC
CIK 0001015083
$19M240K0.60%Q1 2026
13
Napean Trading & Investment Co (Singapore) PTE Ltd
CIK 0002011874
$18M233K7.91%Q1 2026
14
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$18M223K0.01%Q1 2026
15
AMERIPRISE FINANCIAL INC
CIK 0000820027
$17M220K0.00%Q1 2026
16
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$14M182K0.00%Q1 2026
17
Capital International Investors
CIK 0001562230
$14M178K0.00%Q1 2026
18
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
CIK 0000912938
$13M160K0.00%Q1 2026
19
CITADEL ADVISORS LLC
CIK 0001423053
$12M149K0.00%Q4 2025
20
Vanguard Portfolio Management
CIK 0002100121· Index
$12M151K0.00%Q1 2026
Page 1 of 6
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Insiders at BILLIONTOONE INC
Johnson Nancy JoannTsao DavidTen Bosch John RoderickSakakibara Shan RikuAtay Oguzhan