UBS AM’s BillionToOne Inc BLLN Stock Holding History

UBS AM’s Portfolio BLLN Stock Details BLLN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$26.9M	Sell	223,933 -16,654	-7%	-$1.52M	﹤0.01%	826
2026 Q1	$19M	Buy	240,587 +12,932	+6%	+$1.06M	﹤0.01%	900
2025 Q4	$18.6M	Buy	+227,655	New	+$23.1M	﹤0.01%	874

Other funds holding BLLN

ASP

Adams Street Partners Chicago, Illinois $443M AUM 49.46% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return

Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

UBS AM's BLLN Position: Q2 2026 in Review

UBS AM reduced its BillionToOne Inc (BLLN) stake by 6.9% in Q2 2026, selling an estimated $1.52M and leaving 223,933 shares worth $26.9M. The position accounts for ﹤0.01% of the portfolio, ranked #826.

UBS AM first reported a position in BLLN in Q4 2025 and has held it in 3 quarters since. 157 funds tracked by Wall St. Rank hold BLLN as of Q2 2026.

UBS AM held 223,933 shares of BillionToOne Inc worth $26.9M as of Q2 2026.
UBS AM sold 16,654 BillionToOne Inc shares in Q2 2026, an estimated $1.52M.
BillionToOne Inc made up ﹤0.01% of UBS AM's portfolio in Q2 2026, its #826 holding.
UBS AM first reported a position in BillionToOne Inc in Q4 2025 and has held it in 3 quarters since.
157 funds tracked by Wall St. Rank held BillionToOne Inc as of Q2 2026.

Based on UBS AM's 13F filing for Q2 2026, filed 13 Aug 2026.