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

Insider buying vs selling

Have Kiniksa Pharmaceuticals International PLC insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Michael R. MegnaCAO2026-09-034,600$80.30
$369.38kSell
Michael R. MegnaCAO2026-09-015,531$79.28
$438.50kSell
Ross MoatCOO2026-09-014,007$79.28
$317.67kSell
Sanj K. PatelCEO;Chair2026-09-0115,144$79.28
$1.20MSell
Sanj K. PatelCEO;Chair2026-09-0115,144$79.28
$1.20MSell
John F. PaoliniMed2026-09-014,029$79.28
$319.42kSell
Mark RagosaCFO2026-09-014,404$79.28
$349.15kSell
G. Bradley ColeDirector2026-07-293,673$81.43
$299.09kSell
Michael R. MegnaCAO2026-07-15279$33.50
$9.35kBuy
Sanj K. PatelCHAIRMAN CEO2026-05-0148,565$54.02
$2.62MSell

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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
Baker Bros Advisors LP3.54%2,759,734$207.20MInsider
Cormorant Asset Management LP2.22%1,731,442$130.00MInsider
Sanj K. Patel2.00%1,560,451$117.16MInsider
James E. Flynn1.57%1,226,890$92.11MInsider
Thomas W. Beetham0.38%297,523$22.34MInsider
Stephen F. Mahoney0.15%116,187$8.72MInsider
Thomas Malley0.11%87,312$6.56MInsider
Carsten Boess0.10%79,589$5.98MInsider
Chris Heberlig0.10%79,589$5.98MInsider
John F. Paolini0.09%69,922$5.25MInsider

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KNSA vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
KNSA0.06%10.48%Net SellingNet Selling
MIRM0.11%81.26%Net BuyingNet Selling
SRRK0.11%67.31%Net BuyingNet Selling
CGON0.11%16.34%Net BuyingNet Buying
LGND0.02%99.98%Net SellingNet Selling

Kiniksa Pharmaceuticals International Stock Ownership FAQ

Who owns Kiniksa Pharmaceuticals International?

Kiniksa Pharmaceuticals International (NASDAQ: KNSA) is owned by 0.06% institutional shareholders, 10.48% Kiniksa Pharmaceuticals International insiders, and 89.46% 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 $207.20M.

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