State Street
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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
Q3 		$15.3M Buy
144,075
+108,357
+303% +$12.2M ﹤0.01% 2489
2026
Q2 		$4.29M Buy
35,718
+16,018
+81% +$1.46M ﹤0.01% 3138
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

Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $106B AUM 2.29% 1-Year Est. Return
Wasatch Advisors
Wasatch Advisors Salt Lake City, Utah $13.5B AUM 16.58% 1-Year Est. Return
Emerald Advisers
Emerald Advisers Leola, Pennsylvania $3.64B AUM 71.19% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Emerald Mutual Fund Advisers Trust
Emerald Mutual Fund Advisers Trust Leola, Pennsylvania $2.45B AUM 70.46% 1-Year Est. Return
NTIC
Napean Trading & Investment Company Singapore $232M AUM 24.75% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $72.4B AUM 31.32% 1-Year Est. Return
Penn Capital Management
Penn Capital Management Philadelphia, Pennsylvania $1.37B AUM 42.56% 1-Year Est. Return

State Street's BLLN Position: Q3 2026 in Review

State Street increased its BillionToOne Inc (BLLN) stake by 303% in Q3 2026, buying an estimated $12.2M and bringing the position to 144,075 shares worth $15.3M. The position accounts for ﹤0.01% of the portfolio, ranked #2489.

State Street first reported a position in BLLN in Q4 2025 and has held it in 4 quarters since. 83 funds tracked by Wall St. Rank hold BLLN as of Q3 2026.

  • State Street held 144,075 shares of BillionToOne Inc worth $15.3M as of Q3 2026.
  • State Street bought 108,357 BillionToOne Inc shares in Q3 2026, an estimated $12.2M.
  • BillionToOne Inc made up ﹤0.01% of State Street's portfolio in Q3 2026, its #2489 holding.
  • State Street first reported a position in BillionToOne Inc in Q4 2025 and has held it in 4 quarters since.
  • 83 funds tracked by Wall St. Rank held BillionToOne Inc as of Q3 2026.

Based on State Street's 13F filing for Q3 2026, filed 12 Nov 2026.