ALECTOR INC (ALEC) Institutional Ownership and Insiders Activity

ALECTOR INC (ALEC) is widely held by institutional investors, with 137 firms reporting positions valued at approximately $183.39M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Tcg Crossover Management, Llc is the largest disclosed holder, reporting approximately $20.10M in ALEC holdings in its latest filing.

Recent insider activity includes 8 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.

Institutional Holders

137

Total Reported Value

$183.39M

Largest Holder

Tcg Crossover Management, Llc

Largest Position

$20.10M

Insider Transactions (90d)

8

Latest Filing Quarter

Q2 2026

New Institutional Positions

17

Funds Exiting Positions

14