GRAIL INC (GRAL) Institutional Ownership and Insiders Activity

GRAIL INC (GRAL) is widely held by institutional investors, with 2 tracked firms reporting positions valued at approximately $56.32M based on SEC Form 13F filings for the quarter ended March 31, 2026.

Arbiter Partners Capital Management is the largest disclosed holder, reporting approximately $53.47M in GRAL holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with Arbiter Partners Capital Management representing the majority of disclosed value.

Recent insider activity includes 10 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.