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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 CEO2025-10-2297,390$38.83
$3.78MSell
Sanj K. PatelCHAIRMAN CEO2025-10-2297,390$3.80
$370.08kBuy
Sanj K. PatelCHAIRMAN CEO2025-10-2139,331$3.80
$149.46kBuy
Sanj K. PatelCHAIRMAN CEO2025-10-2139,331$38.77
$1.52MSell
Sanj K. PatelCHAIRMAN CEO2025-10-2098,934$38.81
$3.84MSell
Sanj K. PatelCHAIRMAN CEO2025-10-2022,314$39.32
$877.39kSell
Michael R. MegnaCHIEF ACCOUNTING OFFICER2025-10-20791$15.50
$12.26kBuy
Michael R. MegnaCHIEF ACCOUNTING OFFICER2025-10-206,195$12.97
$80.35kBuy
Michael R. MegnaCHIEF ACCOUNTING OFFICER2025-10-209,831$11.10
$109.12kBuy
Michael R. MegnaCHIEF ACCOUNTING OFFICER2025-10-209,831$11.97
$117.68kBuy

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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$158.74MInstitution
Vanguard Group Inc4.23%3,131,602$127.14MInstitution
Baker Bros Advisors LP3.81%2,824,669$114.68MInstitution
Baker Bros Advisors LP3.72%2,753,656$111.80MInsider
Tang Capital Management LLC3.14%2,328,609$94.54MInstitution
Fairmount Funds Management LLC2.39%1,772,839$71.98MInstitution
Cormorant Asset Management LP2.34%1,731,442$70.30MInsider
Acadian Asset Management LLC1.71%1,267,989$51.48MInstitution
James E. Flynn1.66%1,226,890$49.81MInsider
Braidwell LP1.49%1,102,580$44.76MInstitution

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KNSA vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
KNSA53.74%9.47%Net SellingNet Selling
AAPG0.02%0.00%
IDYA92.77%7.23%Net Buying
BLTE0.25%0.00%
SRRK61.10%38.90%Net SellingNet Buying
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, 9.47% Kiniksa Pharmaceuticals International insiders, and 36.79% 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 $108.58M.

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