American Century Companies’s Tectonic Therapeutic TECX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$653K Buy
19,001
+6,467
+52% +$190K ﹤0.01% 2523
2026
Q1
$387K Buy
+12,534
New +$308K ﹤0.01% 2580
2025
Q2
– Sell
-12,057
Closed -$214K – 2969
2025
Q1
$214K Buy
+12,057
New +$393K ﹤0.01% 2750

Other funds holding TECX

American Century Companies's TECX Position: Q2 2026 in Review

American Century Companies increased its Tectonic Therapeutic (TECX) stake by 52% in Q2 2026, buying an estimated $190K and bringing the position to 19,001 shares worth $653K. The position accounts for ﹤0.01% of the portfolio, ranked #2523.

American Century Companies first reported a position in TECX in Q1 2025 and has held it in 3 quarters since. 122 funds tracked by Wall St. Rank hold TECX as of Q2 2026.

  • American Century Companies held 19,001 shares of Tectonic Therapeutic worth $653K as of Q2 2026.
  • American Century Companies bought 6,467 Tectonic Therapeutic shares in Q2 2026, an estimated $190K.
  • Tectonic Therapeutic made up ﹤0.01% of American Century Companies's portfolio in Q2 2026, its #2523 holding.
  • American Century Companies first reported a position in Tectonic Therapeutic in Q1 2025 and has held it in 3 quarters since.
  • 122 funds tracked by Wall St. Rank held Tectonic Therapeutic as of Q2 2026.

Based on American Century Companies's 13F filing for Q2 2026, filed 12 Aug 2026.