ASP
BLLN

Adams Street Partners’s BillionToOne Inc BLLN Stock Holding History

Adams Street Partners’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 		$205M Hold
1,711,430
– – 46.39% 1
2026
Q1 		$135M Hold
1,711,430
– – 51.9% 1
2025
Q4 		$140M Buy
+1,711,430
New +$174M 53.07% 1

Other funds holding BLLN

T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return

Adams Street Partners's BLLN Position: Q2 2026 in Review

Adams Street Partners held its BillionToOne Inc (BLLN) position steady in Q2 2026 at 1,711,430 shares worth $205M. The position accounts for 46.39% of the portfolio, ranked #1.

Adams Street Partners 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.

  • Adams Street Partners held 1,711,430 shares of BillionToOne Inc worth $205M as of Q2 2026.
  • Adams Street Partners left its BillionToOne Inc share count unchanged in Q2 2026.
  • BillionToOne Inc made up 46.39% of Adams Street Partners's portfolio in Q2 2026, its #1 holding.
  • Adams Street Partners 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 Adams Street Partners's 13F filing for Q2 2026, filed 14 Aug 2026.