Soros Fund Management’s BillionToOne Inc BLLN Stock Holding History

Soros Fund Management’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	$1.14M	Hold	14,500	–	–	0.01%	225
2025 Q4	$1.19M	Buy	+14,500	New	+$1.47M	0.01%	209

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

Soros Fund Management's BLLN Position: Q1 2026 in Review

Soros Fund Management held its BillionToOne Inc (BLLN) position steady in Q1 2026 at 14,500 shares worth $1.14M. The position accounts for 0.01% of the portfolio, ranked #225.

Soros Fund Management first reported a position in BLLN in Q4 2025 and has held it in 2 quarters since. The position peaked at $1.19M in Q4 2025. 91 funds tracked by Wall St. Rank hold BLLN as of Q1 2026.

Soros Fund Management held 14,500 shares of BillionToOne Inc worth $1.14M as of Q1 2026.
Soros Fund Management left its BillionToOne Inc share count unchanged in Q1 2026.
BillionToOne Inc made up 0.01% of Soros Fund Management's portfolio in Q1 2026, its #225 holding.
Soros Fund Management first reported a position in BillionToOne Inc in Q4 2025 and has held it in 2 quarters since.
Soros Fund Management's BillionToOne Inc position peaked at $1.19M in Q4 2025.
91 funds tracked by Wall St. Rank held BillionToOne Inc as of Q1 2026.

Based on Soros Fund Management's 13F filing for Q1 2026, filed 15 May 2026.