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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
G. Bradley ColeDirector2026-07-293,673$81.43
$299.09kSell
Sanj K. PatelCHAIRMAN CEO2026-05-0148,565$30.93
$1.50MBuy
John F. PaoliniCHIEF MEDICAL OFFICER2026-05-0121,097$54.04
$1.14MSell
John F. PaoliniCHIEF MEDICAL OFFICER2026-05-0158,424$10.36
$605.27kBuy
John F. PaoliniCHIEF MEDICAL OFFICER2026-05-0137,327$53.52
$2.00MSell
Sanj K. PatelCHAIRMAN CEO2026-05-0148,565$54.02
$2.62MSell
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$30.93
$697.29kBuy
Sanj K. PatelCHAIRMAN CEO2026-04-2922,544$54.01
$1.22MSell

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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
Fmr LLC8.75%6,823,700$519.01MInstitution
Rubric Capital Management LP4.81%3,750,000$285.23MInstitution
Baker Bros Advisors LP3.62%2,826,246$214.96MInstitution
Baker Bros Advisors LP3.54%2,759,734$209.91MInsider
Tang Capital Management LLC2.90%2,259,889$171.89MInstitution
Vanguard Portfolio Management LLC2.26%1,766,268$134.34MInstitution
Cormorant Asset Management LP2.22%1,731,442$131.69MInsider
Sanj K. Patel1.91%1,492,483$113.52MInsider
Acadian Asset Management LLC1.71%1,336,313$101.64MInstitution
Vanguard Capital Management LLC1.71%1,333,093$101.40MInstitution

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KNSA vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
KNSA58.21%10.38%Net SellingNet Selling
ORKA25.55%74.45%Net SellingNet Selling
LGND18.49%81.51%Net SellingNet Selling
TVTX63.57%36.43%Net SellingNet Selling
DNTH65.57%34.43%Net BuyingNet Buying
View Top Biotech Stocks

Kiniksa Pharmaceuticals International Stock Ownership FAQ

Who owns Kiniksa Pharmaceuticals International?

Kiniksa Pharmaceuticals International (NASDAQ: KNSA) is owned by 58.21% institutional shareholders, 10.38% Kiniksa Pharmaceuticals International insiders, and 31.41% retail investors. Baker Bros Advisors LP is the largest individual Kiniksa Pharmaceuticals International shareholder, owning 2.76M shares representing 3.54% of the company. Baker Bros Advisors LP's Kiniksa Pharmaceuticals International shares are currently valued at $209.91M.

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