Filing Manager
FMR LLC
Reporting Manager
FMR LLC
Symbol
KNSA
Shares outstanding
45,795,795 shares
Disclosed Ownership
4,854,354 shares
Ownership
11%
Form type
SCHEDULE 13G
Filing time
06 Mar 2026, 10:05:20 UTC
Date of event
27 Feb 2026

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Quoteable Key Fact

"FMR LLC disclosed 11% ownership in KINIKSA PHARMACEUTICALS INTERNATIONAL PL CLASS A COMMON STOCK (KNSA) on 27 Feb 2026."

Quick Takeaways

  • FMR LLC filed SCHEDULE 13G for KINIKSA PHARMACEUTICALS INTERNATIONAL PL CLASS A COMMON STOCK (KNSA).
  • Disclosed ownership: 11%.
  • Date of event: 27 Feb 2026.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 06 Mar 2026, 10:05.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Official SEC Source

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
FMR LLC 11% 4,854,354 4,852,623 0 Stephanie J. Brown Duly authorized under Power of Attorney effective as of January 3, 2023, by and on behalf of FMR LLC and its direct and indirect subsidiaries*
Abigail P. Johnson 11% 4,854,354 0 0 Stephanie J. Brown Duly authorized under Power of Attorney effective as of January 26, 2023, by and on behalf of Abigail P. Johnson**