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Institutional ownership intelligence
Schedule 13G/A

KNSA Schedule 13G/A filing by Fidelity / FMR

Fidelity / FMR reported beneficial ownership of 6.8K shares, representing 14.8% of KINIKSA PHARMACEUTICALS INTE in this filing.

FiledMay 6, 2026
Ownership dateMar 31, 2026
Reported shares6.8K
Reported ownership14.8%
Ownership details

Voting and dispositive power reported in the filing

These figures describe the reporting filer’s disclosed voting and investment authority. They should be read together with the reported share count and percentage.

Sole voting power 6.8M
Shared voting power 6.8K
Sole dispositive power 6.8K
Shared dispositive power 6.8K
Compared with the prior filing

How the reported position changed

This compares the current filing with the previous tracked Schedule 13 filing from the same reporting CIK for KNSA. A change between filings does not by itself establish when shares were bought or sold.

Previous filingMar 6, 2026
Reported share change+1,933
Ownership percentage change+2.8 pts
Previous filingThis filing
Reported shares4.9K6.8K
Reported ownership12%14.8%
Price context

Price dates alongside the ownership filing

Price data provides market context around the disclosure. It does not identify the filer’s actual transaction price.

Close near filing date$58.23as of May 6, 2026
Latest tracked price$77.59as of Aug 5, 2026
Source

Original filing and accession

Use the SEC filing as the primary source when you need the complete disclosure, footnotes, exhibits, or reporting-person details.

Reporting filer
Fidelity / FMR
CIK
CIK0000315066
Accession
0000315066-26-001224
Form
Schedule 13G/A
Read the filing in context

Understand what a Schedule 13 filing does—and does not—tell you.