Barclays’s BillionToOne Inc BLLN Stock Holding History

Barclays’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	$2.09M	Buy	17,446 +14,688	+533%	+$1.34M	﹤0.01%	2313
2026 Q1	$218K	Buy	+2,758	New	+$226K	﹤0.01%	3641

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

Barclays's BLLN Position: Q2 2026 in Review

Barclays increased its BillionToOne Inc (BLLN) stake by 533% in Q2 2026, buying an estimated $1.34M and bringing the position to 17,446 shares worth $2.09M. The position accounts for ﹤0.01% of the portfolio, ranked #2313.

Barclays first reported a position in BLLN in Q1 2026 and has held it in 2 quarters since. 157 funds tracked by Wall St. Rank hold BLLN as of Q2 2026.

Barclays held 17,446 shares of BillionToOne Inc worth $2.09M as of Q2 2026.
Barclays bought 14,688 BillionToOne Inc shares in Q2 2026, an estimated $1.34M.
BillionToOne Inc made up ﹤0.01% of Barclays's portfolio in Q2 2026, its #2313 holding.
Barclays first reported a position in BillionToOne Inc in Q1 2026 and has held it in 2 quarters since.
157 funds tracked by Wall St. Rank held BillionToOne Inc as of Q2 2026.

Based on Barclays's 13F filing for Q2 2026, filed 14 Aug 2026.