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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
Sanj K. PatelCHAIRMAN CEO2026-05-0148,565$54.02
$2.62MSell
John F. PaoliniCHIEF MEDICAL OFFICER2026-05-0158,424$10.36
$605.27kBuy
John F. PaoliniCHIEF MEDICAL OFFICER2026-05-0121,097$54.04
$1.14MSell
John F. PaoliniCHIEF MEDICAL OFFICER2026-05-0137,327$53.52
$2.00MSell
Sanj K. PatelCHAIRMAN CEO2026-05-0148,565$30.93
$1.50MBuy
Sanj K. PatelCHAIRMAN CEO2026-04-302,141$30.93
$66.22kBuy
Sanj K. PatelCHAIRMAN CEO2026-04-302,141$54.01
$115.64kSell
Sanj K. PatelCHAIRMAN CEO2026-04-2922,544$54.01
$1.22MSell
Sanj K. PatelCHAIRMAN CEO2026-04-2922,544$30.93
$697.29kBuy
Sanj K. PatelCHAIRMAN CEO2026-04-2851,750$54.02
$2.80MSell

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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 LP4.33%3,328,653$195.06MInstitution
Vanguard Group Inc4.05%3,112,937$182.42MInstitution
Baker Bros Advisors LP3.67%2,826,246$165.62MInstitution
Baker Bros Advisors LP3.58%2,753,656$161.36MInsider
Tang Capital Management LLC2.94%2,259,889$132.43MInstitution
Cormorant Asset Management LP2.25%1,731,442$101.46MInsider
Acadian Asset Management LLC2.23%1,713,043$100.38MInstitution
Fmr LLC2.14%1,642,863$96.27MInstitution
Morgan Stanley1.77%1,360,044$79.70MInstitution
Fairmount Funds Management LLC1.72%1,319,688$77.33MInstitution

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KNSA vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
KNSA55.85%9.27%Net SellingNet Selling
LGND18.32%81.68%Net SellingNet Selling
NAMS74.47%25.53%Net SellingNet Selling
LQDA49.55%50.45%Net SellingNet Selling
LEGN23.68%0.15%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 55.85% institutional shareholders, 9.27% Kiniksa Pharmaceuticals International insiders, and 34.88% retail investors. Baker Bros Advisors LP is the largest individual Kiniksa Pharmaceuticals International shareholder, owning 2.75M shares representing 3.58% of the company. Baker Bros Advisors LP's Kiniksa Pharmaceuticals International shares are currently valued at $160.73M.

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