Ameriprise’s BillionToOne Inc BLLN Stock Holding History

Ameriprise’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	$17.4M	Buy	220,035 +97,762	+80%	+$8M	﹤0.01%	1512
2025 Q4	$10M	Buy	+122,273	New	+$12.4M	﹤0.01%	1906

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

Ameriprise's BLLN Position: Q1 2026 in Review

Ameriprise increased its BillionToOne Inc (BLLN) stake by 80% in Q1 2026, buying an estimated $8M and bringing the position to 220,035 shares worth $17.4M. The position accounts for ﹤0.01% of the portfolio, ranked #1512.

Ameriprise 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.

Ameriprise held 220,035 shares of BillionToOne Inc worth $17.4M as of Q1 2026.
Ameriprise bought 97,762 BillionToOne Inc shares in Q1 2026, an estimated $8M.
BillionToOne Inc made up ﹤0.01% of Ameriprise's portfolio in Q1 2026, its #1512 holding.
Ameriprise 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 Ameriprise's 13F filing for Q1 2026, filed 15 May 2026.