Morgan Stanley’s BillionToOne Inc BLLN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$994K Buy
12,586
+8,987
+250% +$736K ﹤0.01% 5144
2025
Q4
$295K Buy
+3,599
New +$365K ﹤0.01% 5761

Other funds holding BLLN

Morgan Stanley's BLLN Position: Q1 2026 in Review

Morgan Stanley increased its BillionToOne Inc (BLLN) stake by 250% in Q1 2026, buying an estimated $736K and bringing the position to 12,586 shares worth $994K. The position accounts for ﹤0.01% of the portfolio, ranked #5144.

Morgan Stanley first reported a position in BLLN in Q4 2025 and has held it in 2 quarters since. 91 funds tracked by Wall St. Rank hold BLLN as of Q1 2026.

  • Morgan Stanley held 12,586 shares of BillionToOne Inc worth $994K as of Q1 2026.
  • Morgan Stanley bought 8,987 BillionToOne Inc shares in Q1 2026, an estimated $736K.
  • BillionToOne Inc made up ﹤0.01% of Morgan Stanley's portfolio in Q1 2026, its #5144 holding.
  • Morgan Stanley first reported a position in BillionToOne Inc in Q4 2025 and has held it in 2 quarters since.
  • 91 funds tracked by Wall St. Rank held BillionToOne Inc as of Q1 2026.

Based on Morgan Stanley's 13F filing for Q1 2026, filed 15 May 2026.