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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
Eben TessariCHIEF OPERATING OFFICER2025-09-15356$37.00
$13.17kSell
Eben TessariCHIEF OPERATING OFFICER2025-09-156,500$8.83
$57.40kBuy
Eben TessariCHIEF OPERATING OFFICER2025-09-1516,044$36.45
$584.80kSell
Eben TessariCHIEF OPERATING OFFICER2025-09-0513,389$15.52
$207.80kBuy
Eben TessariCHIEF OPERATING OFFICER2025-09-0513,389$35.66
$477.45kSell
Ross MoatCHIEF CORP. COMM. OFFICER2025-09-043,523$35.31
$124.40kSell
Eben TessariCHIEF OPERATING OFFICER2025-09-0446,546$15.52
$722.39kBuy
Eben TessariCHIEF OPERATING OFFICER2025-09-0485,271$35.52
$3.03MSell
Eben TessariCHIEF OPERATING OFFICER2025-09-0438,725$15.50
$600.24kBuy
Eben TessariCHIEF OPERATING OFFICER2025-09-0315,026$15.50
$232.90kBuy

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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 LP5.28%3,909,806$139.85MInstitution
Vanguard Group Inc4.23%3,131,602$112.02MInstitution
Baker Bros Advisors LP3.81%2,824,669$101.04MInstitution
Baker Bros Advisors LP3.72%2,753,656$98.50MInsider
Tang Capital Management LLC3.14%2,328,609$83.29MInstitution
Fairmount Funds Management LLC2.39%1,772,839$63.41MInstitution
Cormorant Asset Management LP2.34%1,731,442$61.93MInsider
Acadian Asset Management LLC1.71%1,267,989$45.36MInstitution
James E. Flynn1.66%1,226,890$43.89MInsider
Braidwell LP1.49%1,102,580$39.44MInstitution

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KNSA vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
KNSA53.74%9.49%Net SellingNet Selling
IMVT48.53%51.47%Net BuyingNet Selling
IBRX13.13%8.09%Net Buying
VKTX67.75%8.98%Net SellingNet Selling
SLNO32.54%67.46%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 53.74% institutional shareholders, 9.49% Kiniksa Pharmaceuticals International insiders, and 36.77% retail investors. Baker Bros Advisors LP is the largest individual Kiniksa Pharmaceuticals International shareholder, owning 2.75M shares representing 3.72% of the company. Baker Bros Advisors LP's Kiniksa Pharmaceuticals International shares are currently valued at $97.56M.

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