UBS Group’s BillionToOne Inc BLLN Stock Holding History

UBS Group’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 Q1	$9.6M	Buy	121,604 +90,005	+285%	+$7.37M	﹤0.01%	3401
2025 Q4	$2.59M	Buy	+31,599	New	+$3.2M	﹤0.01%	4714

Other funds holding BLLN

ASP

Adams Street Partners Chicago, Illinois $260M AUM 30.38% 1-Year Est. Return

Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return

CVM

Civilization Ventures Management Belvedere Tiburon, California $87.9M AUM

BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

NVP Associates Menlo Park, California $176M AUM 208.78% 1-Year Est. Return

Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

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

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

UBS Group's BLLN Position: Q1 2026 in Review

UBS Group increased its BillionToOne Inc (BLLN) stake by 285% in Q1 2026, buying an estimated $7.37M and bringing the position to 121,604 shares worth $9.6M. The position accounts for ﹤0.01% of the portfolio, ranked #3401.

UBS Group first reported a position in BLLN in Q4 2025 and has held it in 2 quarters since. 91 funds tracked by Wall St. Rank hold BLLN as of Q1 2026.

UBS Group held 121,604 shares of BillionToOne Inc worth $9.6M as of Q1 2026.
UBS Group bought 90,005 BillionToOne Inc shares in Q1 2026, an estimated $7.37M.
BillionToOne Inc made up ﹤0.01% of UBS Group's portfolio in Q1 2026, its #3401 holding.
UBS Group first reported a position in BillionToOne Inc in Q4 2025 and has held it in 2 quarters since.
91 funds tracked by Wall St. Rank held BillionToOne Inc as of Q1 2026.

Based on UBS Group's 13F filing for Q1 2026, filed 5 May 2026.