WAM
BLLN

Weiss Asset Management’s BillionToOne Inc BLLN Stock Holding History

Weiss Asset 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
Q2 		$5.17M Buy
+43,057
New +$3.93M 0.05% 230

Other funds holding BLLN

ASP
Adams Street Partners Chicago, Illinois $443M AUM 49.46% 1-Year Est. Return
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

Weiss Asset Management's BLLN Position: Q2 2026 in Review

Weiss Asset Management opened a new position in BillionToOne Inc (BLLN) in Q2 2026: 43,057 shares worth $5.17M. The stake represents 0.05% of the portfolio and ranks #230 among its holdings.

157 funds tracked by Wall St. Rank hold BLLN as of Q2 2026.

  • Weiss Asset Management held 43,057 shares of BillionToOne Inc worth $5.17M as of Q2 2026.
  • BillionToOne Inc was a new Weiss Asset Management position in Q2 2026.
  • BillionToOne Inc made up 0.05% of Weiss Asset Management's portfolio in Q2 2026, its #230 holding.
  • 157 funds tracked by Wall St. Rank held BillionToOne Inc as of Q2 2026.

Based on Weiss Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.