PA
BLLN

Parallel Advisors’s BillionToOne Inc BLLN Stock Holding History

Parallel 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
Q2 		$18K Buy
+150
New +$13.7K ﹤0.01% 2668
2026
Q1 		– Sell
-255
Closed -$20.9K – 3984
2025
Q4 		$20.9K Buy
+255
New +$25.9K ﹤0.01% 2267

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

Parallel Advisors's BLLN Position: Q2 2026 in Review

Parallel Advisors opened a new position in BillionToOne Inc (BLLN) in Q2 2026: 150 shares worth $18K. The stake represents ﹤0.01% of the portfolio and ranks #2668 among its holdings. This is a return to the name: Parallel Advisors previously reported a position in BLLN as recently as Q4 2025.

Parallel Advisors first reported a position in BLLN in Q4 2025 and has held it in 2 quarters since. The position peaked at $20.9K in Q4 2025. 156 funds tracked by Wall St. Rank hold BLLN as of Q2 2026.

  • Parallel Advisors held 150 shares of BillionToOne Inc worth $18K as of Q2 2026.
  • BillionToOne Inc was a new Parallel Advisors position in Q2 2026.
  • BillionToOne Inc made up ﹤0.01% of Parallel Advisors's portfolio in Q2 2026, its #2668 holding.
  • Parallel Advisors first reported a position in BillionToOne Inc in Q4 2025 and has held it in 2 quarters since.
  • Parallel Advisors's BillionToOne Inc position peaked at $20.9K in Q4 2025.
  • 156 funds tracked by Wall St. Rank held BillionToOne Inc as of Q2 2026.

Based on Parallel Advisors's 13F filing for Q2 2026, filed 5 Aug 2026.