TECTONIC THERAPEUTIC INC (TECX) Institutional Ownership and Insiders Activity

TECTONIC THERAPEUTIC INC (TECX) is widely held by institutional investors, with 122 firms reporting positions valued at approximately $479.70M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Fmr Llc is the largest disclosed holder, reporting approximately $97.29M in TECX holdings in its latest filing.

Recent insider activity includes 4 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.