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
Sanj K. PatelCEO;Chair2026-11-0426,918$96.05
$2.59MSell
Sanj K. PatelCEO;Chair2026-11-0429,845$95.48
$2.85MSell
Sanj K. PatelCEO;Chair2026-11-0481,742$94.20
$7.70MSell
Sanj K. PatelCEO;Chair2026-11-0411,335$93.54
$1.06MSell
Sanj K. PatelCEO;Chair2026-11-041,460$92.35
$134.83kSell
Sanj K. PatelCEO;Chair2026-11-04145,763$17.92
$2.61MBuy
Sanj K. PatelCEO;Chair2026-11-034,584$94.25
$432.04kSell
Sanj K. PatelCEO;Chair2026-11-031,214$90.77
$110.19kSell
Sanj K. PatelCEO;Chair2026-11-0389,089$8.83
$786.66kBuy
Sanj K. PatelCEO;Chair2026-11-0341,237$17.92
$738.97kBuy

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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 LP3.51%2,759,734$259.03MInsider
Sanj K. Patel2.91%2,283,157$214.30MInsider
Cormorant Asset Management LP2.20%1,731,442$162.51MInsider
James E. Flynn1.56%1,226,890$115.16MInsider
Thomas W. Beetham0.38%297,523$27.93MInsider
Stephen F. Mahoney0.15%116,187$10.91MInsider
Thomas Malley0.11%87,312$8.20MInsider
Chris Heberlig0.10%79,589$7.47MInsider
Carsten Boess0.10%79,589$7.47MInsider
John F. Paolini0.09%69,922$6.56MInsider

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KNSA vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
KNSA0.06%11.30%Net SellingNet Selling
CYTK0.12%10.96%Net SellingNet Selling
CAI0.05%80.66%Net BuyingNet Buying
PRAX0.12%50.28%Net Selling
RYTM0.11%13.44%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, 11.30% Kiniksa Pharmaceuticals International insiders, and 88.64% retail investors. Baker Bros Advisors LP is the largest individual Kiniksa Pharmaceuticals International shareholder, owning 2.76M shares representing 3.51% of the company. Baker Bros Advisors LP's Kiniksa Pharmaceuticals International shares are currently valued at $259.03M.

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