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Kiniksa Pharmaceuticals International, plc

KNSA
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001730430

In the last 90 days, Kiniksa Pharmaceuticals International, plc insiders filed 0 open-market purchases and 2 sales; 267 institutions reported holding it in 13F filings for Q2 2026, worth $2.99B in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in Kiniksa Pharmaceuticals International, plc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
267
+44 vs. Q1 2026
Shares held
46.9M
+2.03M (+4.5%) vs. Q1 2026
Total value
$2.99B
+$835.2M (+38.7%) vs. Q1 2026
New holders
72
86 more added
Sold out
28
81 more reduced

5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting KNSA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 267 institutions
Q1 2021: 105 institutionsQ2 2021: 102 institutionsQ3 2021: 101 institutionsQ4 2021: 103 institutionsQ1 2022: 96 institutionsQ2 2022: 92 institutionsQ3 2022: 104 institutionsQ4 2022: 125 institutionsQ1 2023: 132 institutionsQ2 2023: 127 institutionsQ3 2023: 134 institutionsQ4 2023: 142 institutionsQ1 2024: 154 institutionsQ2 2024: 133 institutionsQ3 2024: 176 institutionsQ4 2024: 160 institutionsQ1 2025: 176 institutionsQ2 2025: 189 institutionsQ3 2025: 204 institutionsQ4 2025: 224 institutionsQ1 2026: 228 institutionsQ2 2026: 267 institutions
Value heldQ2 2026: $2.99B
Q1 2021: $537.6MQ2 2021: $402.0MQ3 2021: $332.0MQ4 2021: $346.4MQ1 2022: $306.0MQ2 2022: $290.5MQ3 2022: $383.2MQ4 2022: $450.0MQ1 2023: $339.6MQ2 2023: $447.7MQ3 2023: $605.8MQ4 2023: $600.4MQ1 2024: $768.1MQ2 2024: $659.4MQ3 2024: $991.2MQ4 2024: $773.1MQ1 2025: $889.4MQ2 2025: $1.10BQ3 2025: $1.59BQ4 2025: $1.77BQ1 2026: $2.18BQ2 2026: $2.99B
Institutions holding KNSA and their total value by quarter
QuarterHoldersValue
Q2 2026267$2.99B
Q1 2026228$2.18B
Q4 2025224$1.77B
Q3 2025204$1.59B
Q2 2025189$1.10B
Q1 2025176$889.4M
Q4 2024160$773.1M
Q3 2024176$991.2M
Q2 2024133$659.4M
Q1 2024154$768.1M
Q4 2023142$600.4M
Q3 2023134$605.8M
Q2 2023127$447.7M
Q1 2023132$339.6M
Q4 2022125$450.0M
Q3 2022104$383.2M
Q2 202292$290.5M
Q1 202296$306.0M
Q4 2021103$346.4M
Q3 2021101$332.0M
Q2 2021102$402.0M
Q1 2021105$537.6M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Kiniksa Pharmaceuticals International, plc; share changes are against Q1 2026.

Institutions holding KNSA in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
State of Wisconsin Investment Board29,876$1.91M0.00%+12,800+75.0%Added
Ieq Capital, LLC29,746$1.90M0.01%−13,204−30.7%Reduced
Artia Global Partners LP29,200$1.87M0.35%00.0%Unchanged
Public Employees Retirement System of Ohio28,955$1.85M0.01%00.0%Unchanged
Vanguard Asset Management, Ltd26,959$1.72M0.00%+3,536+15.1%Added
ADAR1 Capital Management, LLC26,913$1.72M0.08%00.0%Unchanged
Caption Management, LLC25,000$1.60M0.06%+25,000New
MetLife Investment Management24,696$1.58M0.01%+24,696New
Atika Capital Management LLC23,000$1.47M0.15%+23,000New
Virtus Investment Advisers, Inc.22,411$1.43M0.33%+2,111+10.4%Added
Precision Wealth Strategies, LLC22,348$1.43M0.43%+8,285+58.9%Added
Handelsbanken Fonder AB21,000$1.34M0.00%+21,000New
Toth Financial Advisory Corp20,725$1.33M0.13%00.0%Unchanged
Kornitzer Capital Management Inc20,672$1.32M0.03%−697−3.3%Reduced
Wealth Enhancement Advisory Services, LLC20,499$1.30M0.00%+318+1.6%Added
Sigma Planning Corp20,150$1.29M0.03%+20,150New
Mirae Asset Global ETFs Holdings Ltd.19,438$1.24M0.00%+19,438New
CenterBook Partners LP19,434$1.24M0.06%+19,434New
Superstring Capital Management LP18,867$1.21M0.76%+18,867New
STRS Ohio18,600$1.19M0.00%+18,600New
XTX Topco Ltd18,261$1.17M0.02%+18,261New
Susquehanna International Group, LLP18,231$1.17M0.00%−365,580−95.3%Reduced
Headlands Technologies LLC18,161$1.16M0.12%+18,161New
Juncture Wealth Strategies, LLC17,824$1.14M0.30%+8,354+88.2%Added
Brinker Capital Investments, LLC17,775$1.14M0.01%−2,958−14.3%Reduced
TD Waterhouse Canada Inc.16,691$1.05M0.00%+724+4.5%Added
Mark Sheptoff Financial Planning, LLC16,000$1.02M0.54%−500−3.0%Reduced
Ami Asset Management Corp15,858$1.01M0.06%−6,085−27.7%Reduced
Stifel Financial Corp15,847$1.01M0.00%−16,104−50.4%Reduced
Savant Capital, LLC15,478$992.2K0.00%−526−3.3%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)15,111$966.3K0.00%00.0%Unchanged
Mariner, LLC14,882$951.6K0.00%−1,436−8.8%Reduced
Park Avenue Securities LLC14,734$942.0K0.01%+14,734New
Creative Planning13,720$877.4K0.00%+1,033+8.1%Added
Catalyst Funds Management Pty Ltd13,400$856.9K0.05%00.0%Unchanged
Sound View Wealth Advisors Group, LLC13,296$850.3K0.05%−1,754−11.7%Reduced
Barclays PLC13,162$841.7K0.00%−20,990−61.5%Reduced
Vestcor Inc13,123$839.0K0.02%+7,500+133.4%Added
Franklin Resources Inc12,788$817.8K0.00%+7,844+158.7%Added
Police & Firemen's Retirement System of New Jersey12,503$799.6K0.01%+12,503New
State of New Jersey Common Pension Fund D11,873$759.3K0.00%−474−3.8%Reduced
Gsa Capital Partners LLP11,219$717.0K0.05%−38−0.3%Reduced
Commonwealth Equity Services, LLC10,634$680.0K0.00%+5,598+111.2%Added
Cim, LLC10,566$675.7K0.09%+10,566New
State of Wyoming10,326$660.3K0.07%−2,650−20.4%Reduced
First Trust Advisors LP10,291$658.1K0.00%+415+4.2%Added
CI Private Wealth, LLC10,214$653.2K0.00%+2,158+26.8%Added
Arizona State Retirement System10,132$647.9K0.00%+209+2.1%Added
Vanguard Investments Australia, Ltd.9,273$593.0K0.00%00.0%Unchanged
Mercer Global Advisors Inc8,973$573.8K0.00%+13+0.1%Added
Voya Investment Management LLC8,077$516.5K0.00%+8,077New
KLP Kapitalforvaltning AS8,000$511.6K0.00%00.0%Unchanged
HighTower Advisors, LLC7,972$509.8K0.00%−613−7.1%Reduced
Pallas Capital Advisors LLC7,667$490.3K0.02%−49−0.6%Reduced
Vise Technologies, Inc.7,665$490.2K0.01%+7,665New
Verition Fund Management LLC7,500$479.6K0.00%+7,500New
Intech Investment Management LLC7,464$477.3K0.00%+7,464New
China Universal Asset Management Co., Ltd.7,369$471.2K0.03%−776−9.5%Reduced
Round Rock Advisors, LLC7,226$462.1K0.06%00.0%Unchanged
ProShare Advisors LLC7,070$452.1K0.00%+7,070New
James Investment Research Inc7,027$449.4K0.05%00.0%Unchanged
Prudential Financial Inc6,800$434.9K0.00%+6,800New
Vident Advisory, LLC6,747$431.5K0.00%+1,640+32.1%Added
Roman Butler Fullerton & Co6,700$408.3K0.10%+848+14.5%Added
Mirae Asset Global Investments Co., Ltd.5,982$382.5K0.00%−8,403−58.4%Reduced
Hillsdale Investment Management Inc.5,760$368.4K0.01%+5,760New
Envestnet Asset Management Inc5,680$363.2K0.00%+5,680New
Merit Financial Group, LLC5,474$350.1K0.00%+59+1.1%Added
Financiere des Professionnels - Fonds d,investissement inc.5,376$343.8K0.02%00.0%Unchanged
MML Investors Services, LLC5,323$340.4K0.00%+700+15.1%Added
Mitsubishi UFJ Trust & Banking Corp5,213$333.4K0.00%+5,213New
Cambridge Investment Research Advisors, Inc.5,184$332.0K0.00%+5,184New
Captrust Financial Advisors5,173$330.8K0.00%−84−1.6%Reduced
BIT Capital GmbH5,138$328.6K0.01%00.0%Unchanged
Swiss Life Asset Management Ltd–$324.4K0.00%–New
PSP Research LLC5,000$319.8K0.17%−4,000−44.4%Reduced
Baader Bank INC5,000$319.8K0.03%+5,000New
Brevan Howard Capital Management LP4,958$317.1K0.00%−48,924−90.8%Reduced
Gotham Asset Management, LLC4,799$306.9K0.00%−2,775−36.6%Reduced
Sanctuary Advisors, LLC4,622$295.6K0.00%−619−11.8%Reduced
Freestone Grove Partners LP4,615$295.1K0.00%−12,045−72.3%Reduced
Simplex Trading, LLC4,598$294.0K0.01%−3,404−42.5%Reduced
Abundance Wealth Counselors4,578$292.8K0.02%+4,578New
Virtu Financial LLC4,529$290.0K0.01%+4,529New
Cetera Investment Advisers4,444$284.2K0.00%+4,444New
Teacher Retirement System of Texas4,290$274.3K0.00%−400−8.5%Reduced
Colony Group, LLC4,218$269.7K0.00%+4,218New
Xponance, Inc.4,149$265.3K0.00%+4,149New
Toroso Investments, LLC4,135$264.4K0.00%−2,049−33.1%Reduced
Marex Group plc4,102$262.3K0.00%+4,102New
Virginia Retirement Systems Et Al4,000$255.8K0.00%+4,000New
JustInvest LLC3,965$253.6K0.00%+3,965New
Ameritas Investment Partners, Inc.3,847$246.0K0.01%+3,847New
Gabelli Funds LLC3,750$239.8K0.00%+3,750New
Belpointe Asset Management LLC3,709$237.2K0.01%+3,709New
Engineers Gate Manager LP3,680$235.3K0.00%−2,721−42.5%Reduced
Russell Investments Group, Ltd.3,506$224.2K0.00%+3,384+2,773.8%Added
SRS Capital Advisors, Inc.3,451$220.7K0.00%+3,431+17,155.0%Added
BankChampaign, National Association3,417$218.5K0.17%+3,417New
Quantinno Capital Management LP3,365$215.2K0.00%+3,365New