HCA
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Harbour Capital Advisors’s BillionToOne Inc BLLN Stock Holding History

Harbour Capital Advisors’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 		$503K Buy
4,725
+1,875
+66% +$210K 0.09% 186
2026
Q2 		$361K Buy
+2,850
New +$260K 0.07% 228

Other funds holding BLLN

WA
Wasatch Advisors Salt Lake City, Utah $13.5B AUM 16.58% 1-Year Est. Return
GAA
Green Alpha Advisors Niwot, Colorado $148M AUM 98.22% 1-Year Est. Return
TWM
Thrive Wealth Management Audubon, Pennsylvania $805M AUM 17.78% 1-Year Est. Return
TFA
Toth Financial Advisory Leesburg, Virginia $1B AUM 19.18% 1-Year Est. Return
FLFS
Family Legacy Financial Solutions Cary, North Carolina $173M AUM 60.87% 1-Year Est. Return
FPF
First Pacific Financial Vancouver, Washington $978M AUM 12.87% 1-Year Est. Return
MAM
Marquette Asset Management Minneapolis, Minnesota $766M AUM 16.04% 1-Year Est. Return
GI
GAMMA Investing Foster City, California $2.96B AUM 34.38% 1-Year Est. Return

Harbour Capital Advisors's BLLN Position: Q3 2026 in Review

Harbour Capital Advisors increased its BillionToOne Inc (BLLN) stake by 66% in Q3 2026, buying an estimated $210K and bringing the position to 4,725 shares worth $503K. The position accounts for 0.09% of the portfolio, ranked #186.

Harbour Capital Advisors first reported a position in BLLN in Q2 2026 and has held it in 2 quarters since. 9 funds tracked by Wall St. Rank hold BLLN as of Q3 2026.

  • Harbour Capital Advisors held 4,725 shares of BillionToOne Inc worth $503K as of Q3 2026.
  • Harbour Capital Advisors bought 1,875 BillionToOne Inc shares in Q3 2026, an estimated $210K.
  • BillionToOne Inc made up 0.09% of Harbour Capital Advisors's portfolio in Q3 2026, its #186 holding.
  • Harbour Capital Advisors first reported a position in BillionToOne Inc in Q2 2026 and has held it in 2 quarters since.
  • 9 funds tracked by Wall St. Rank held BillionToOne Inc as of Q3 2026.

Based on Harbour Capital Advisors's 13F filing for Q3 2026, filed 13 Oct 2026.