Lord, Abbett & Co’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
Q2
$10.4M Buy
86,293
+42,004
+95% +$3.84M 0.03% 383
2026
Q1
$3.5M Sell
44,289
-2,019
-4% -$165K 0.01% 498
2025
Q4
$3.79M Buy
+46,308
New +$4.7M 0.01% 490

Other funds holding BLLN

Lord, Abbett & Co's BLLN Position: Q2 2026 in Review

Lord, Abbett & Co increased its BillionToOne Inc (BLLN) stake by 95% in Q2 2026, buying an estimated $3.84M and bringing the position to 86,293 shares worth $10.4M. The position accounts for 0.03% of the portfolio, ranked #383.

Lord, Abbett & Co first reported a position in BLLN in Q4 2025 and has held it in 3 quarters since. 157 funds tracked by Wall St. Rank hold BLLN as of Q2 2026.

  • Lord, Abbett & Co held 86,293 shares of BillionToOne Inc worth $10.4M as of Q2 2026.
  • Lord, Abbett & Co bought 42,004 BillionToOne Inc shares in Q2 2026, an estimated $3.84M.
  • BillionToOne Inc made up 0.03% of Lord, Abbett & Co's portfolio in Q2 2026, its #383 holding.
  • Lord, Abbett & Co first reported a position in BillionToOne Inc in Q4 2025 and has held it in 3 quarters since.
  • 157 funds tracked by Wall St. Rank held BillionToOne Inc as of Q2 2026.

Based on Lord, Abbett & Co's 13F filing for Q2 2026, filed 14 Aug 2026.