State Street
BLLN

State Street’s BillionToOne Inc BLLN Stock Holding History

State Street’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 		$4.29M Buy
35,718
+16,018
+81% +$1.46M ﹤0.01% 3089
2026
Q1 		$1.56M Sell
19,700
-1,900
-9% -$156K ﹤0.01% 3370
2025
Q4 		$1.77M Buy
+21,600
New +$2.19M ﹤0.01% 3384

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

State Street's BLLN Position: Q2 2026 in Review

State Street increased its BillionToOne Inc (BLLN) stake by 81% in Q2 2026, buying an estimated $1.46M and bringing the position to 35,718 shares worth $4.29M. The position accounts for ﹤0.01% of the portfolio, ranked #3089.

State Street first reported a position in BLLN in Q4 2025 and has held it in 3 quarters since. 156 funds tracked by Wall St. Rank hold BLLN as of Q2 2026.

  • State Street held 35,718 shares of BillionToOne Inc worth $4.29M as of Q2 2026.
  • State Street bought 16,018 BillionToOne Inc shares in Q2 2026, an estimated $1.46M.
  • BillionToOne Inc made up ﹤0.01% of State Street's portfolio in Q2 2026, its #3089 holding.
  • State Street first reported a position in BillionToOne Inc in Q4 2025 and has held it in 3 quarters since.
  • 156 funds tracked by Wall St. Rank held BillionToOne Inc as of Q2 2026.

Based on State Street's 13F filing for Q2 2026, filed 7 Aug 2026.