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NASDAQ: KNSA
Kiniksa Pharmaceuticals International PLC Stock Ownership - Who owns Kiniksa Pharmaceuticals International?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Kiniksa Pharmaceuticals International PLC insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Mark RagosaCHIEF FINANCIAL OFFICER2026-04-071,303$48.94
$63.77kSell
Michael R. MegnaCHIEF ACCOUNTING OFFICER2026-04-071,666$48.94
$81.53kSell
Eben TessariCHIEF STRATEGY OFFICER2026-04-07846$48.94
$41.40kSell
Sanj K. PatelCHAIRMAN CEO2026-04-074,831$48.94
$236.43kSell
Michael R. MegnaCHIEF ACCOUNTING OFFICER2026-04-073,932$1.00
$3.93kBuy
Ross MoatCHIEF OPERATING OFFICER2026-04-07774$48.94
$37.88kSell
John F. PaoliniCHIEF MEDICAL OFFICER2026-04-071,208$48.94
$59.12kSell
Barry D. QuartDirector2026-04-066,901$50.00
$345.05kSell
Ross MoatCHIEF OPERATING OFFICER2026-04-062,367$48.58
$114.99kSell
Barry D. QuartDirector2026-04-066,901$14.33
$98.89kBuy

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Net Insider Buy/Sell (L12M) Ownership

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KNSA Shareholders

What type of owners hold Kiniksa Pharmaceuticals International PLC stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Rubric Capital Management LP4.35%3,328,653$156.71MInstitution
Vanguard Group Inc4.07%3,112,937$146.56MInstitution
Baker Bros Advisors LP3.69%2,826,246$133.06MInstitution
Baker Bros Advisors LP3.60%2,753,656$129.64MInsider
Tang Capital Management LLC2.95%2,259,889$106.40MInstitution
Cormorant Asset Management LP2.26%1,731,442$81.52MInsider
Acadian Asset Management LLC2.24%1,713,043$80.65MInstitution
Fmr LLC2.15%1,642,863$77.35MInstitution
Morgan Stanley1.78%1,360,044$64.03MInstitution
Fairmount Funds Management LLC1.72%1,319,688$62.13MInstitution

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KNSA vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
KNSA56.15%9.33%Net SellingNet Selling
TLX0.33%7.54%
EWTX88.61%11.39%Net SellingNet Selling
ACAD72.02%27.98%Net SellingNet Selling
LQDA49.44%50.56%Net SellingNet Selling
View Top Biotech Stocks

Kiniksa Pharmaceuticals International Stock Ownership FAQ

Who owns Kiniksa Pharmaceuticals International?

Kiniksa Pharmaceuticals International (NASDAQ: KNSA) is owned by 56.15% institutional shareholders, 9.33% Kiniksa Pharmaceuticals International insiders, and 34.53% retail investors. Baker Bros Advisors LP is the largest individual Kiniksa Pharmaceuticals International shareholder, owning 2.75M shares representing 3.60% of the company. Baker Bros Advisors LP's Kiniksa Pharmaceuticals International shares are currently valued at $129.64M.

If you're new to stock investing, here's how to buy Kiniksa Pharmaceuticals International stock.
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