Kiniksa Pharmaceuticals International, plc (KNSA) Institutional Ownership and Insiders Activity

Kiniksa Pharmaceuticals International, plc (KNSA) is widely held by institutional investors, with 276 firms reporting positions valued at approximately $3.02B based on SEC Form 13F filings for the quarter ended June 30, 2026.

Fmr Llc is the largest disclosed holder, reporting approximately $445.82M in KNSA holdings in its latest filing.

Recent insider activity includes 50 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.