American Century Companies’s Janux Therapeutics JANX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$420K Buy
30,215
+2,524
+9% +$34.6K ﹤0.01% 2561
2025
Q4
$382K Buy
27,691
+8,738
+46% +$206K ﹤0.01% 2582
2025
Q3
$463K Buy
18,953
+7,663
+68% +$187K ﹤0.01% 2528
2025
Q2
$261K Buy
+11,290
New +$297K ﹤0.01% 2694
2024
Q3
Sell
-5,627
Closed -$236K 2925
2024
Q2
$236K Sell
5,627
-21,428
-79% -$1.01M ﹤0.01% 2695
2024
Q1
$1.02M Buy
27,055
+15,612
+136% +$340K ﹤0.01% 2144
2023
Q4
$123K Buy
+11,443
New +$99K ﹤0.01% 2787

Other funds holding JANX

American Century Companies's JANX Position: Q1 2026 in Review

American Century Companies increased its Janux Therapeutics (JANX) stake by 9.1% in Q1 2026, buying an estimated $34.6K and bringing the position to 30,215 shares worth $420K. The position accounts for ﹤0.01% of the portfolio, ranked #2561.

American Century Companies first reported a position in JANX in Q4 2023 and has held it in 7 quarters since. The position peaked at $1.02M in Q1 2024. 190 funds tracked by Wall St. Rank hold JANX as of Q1 2026.

  • American Century Companies held 30,215 shares of Janux Therapeutics worth $420K as of Q1 2026.
  • American Century Companies bought 2,524 Janux Therapeutics shares in Q1 2026, an estimated $34.6K.
  • Janux Therapeutics made up ﹤0.01% of American Century Companies's portfolio in Q1 2026, its #2561 holding.
  • American Century Companies first reported a position in Janux Therapeutics in Q4 2023 and has held it in 7 quarters since.
  • American Century Companies's Janux Therapeutics position peaked at $1.02M in Q1 2024.
  • 190 funds tracked by Wall St. Rank held Janux Therapeutics as of Q1 2026.

Based on American Century Companies's 13F filing for Q1 2026, filed 15 May 2026.