First Manhattan
BLLN

First Manhattan’s BillionToOne Inc BLLN Stock Holding History

First Manhattan’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 		$403K Buy
+3,362
New +$307K ﹤0.01% 613

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

First Manhattan's BLLN Position: Q2 2026 in Review

First Manhattan opened a new position in BillionToOne Inc (BLLN) in Q2 2026: 3,362 shares worth $403K. The stake represents ﹤0.01% of the portfolio and ranks #613 among its holdings.

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

  • First Manhattan held 3,362 shares of BillionToOne Inc worth $403K as of Q2 2026.
  • BillionToOne Inc was a new First Manhattan position in Q2 2026.
  • BillionToOne Inc made up ﹤0.01% of First Manhattan's portfolio in Q2 2026, its #613 holding.
  • 157 funds tracked by Wall St. Rank held BillionToOne Inc as of Q2 2026.

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