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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
Envestnet Asset Management Inc5,680$363.2K0.00%+5,680New
Hillsdale Investment Management Inc.5,760$368.4K0.01%+5,760New
Mirae Asset Global Investments Co., Ltd.5,982$382.5K0.00%−8,403−58.4%Reduced
Roman Butler Fullerton & Co6,700$408.3K0.10%+848+14.5%Added
Vident Advisory, LLC6,747$431.5K0.00%+1,640+32.1%Added
Prudential Financial Inc6,800$434.9K0.00%+6,800New
James Investment Research Inc7,027$449.4K0.05%00.0%Unchanged
ProShare Advisors LLC7,070$452.1K0.00%+7,070New
Round Rock Advisors, LLC7,226$462.1K0.06%00.0%Unchanged
China Universal Asset Management Co., Ltd.7,369$471.2K0.03%−776−9.5%Reduced
Intech Investment Management LLC7,464$477.3K0.00%+7,464New
Verition Fund Management LLC7,500$479.6K0.00%+7,500New
Vise Technologies, Inc.7,665$490.2K0.01%+7,665New
Pallas Capital Advisors LLC7,667$490.3K0.02%−49−0.6%Reduced
HighTower Advisors, LLC7,972$509.8K0.00%−613−7.1%Reduced
KLP Kapitalforvaltning AS8,000$511.6K0.00%00.0%Unchanged
Voya Investment Management LLC8,077$516.5K0.00%+8,077New
Mercer Global Advisors Inc8,973$573.8K0.00%+13+0.1%Added
Vanguard Investments Australia, Ltd.9,273$593.0K0.00%00.0%Unchanged
Arizona State Retirement System10,132$647.9K0.00%+209+2.1%Added
CI Private Wealth, LLC10,214$653.2K0.00%+2,158+26.8%Added
First Trust Advisors LP10,291$658.1K0.00%+415+4.2%Added
State of Wyoming10,326$660.3K0.07%−2,650−20.4%Reduced
Cim, LLC10,566$675.7K0.09%+10,566New
Commonwealth Equity Services, LLC10,634$680.0K0.00%+5,598+111.2%Added
Gsa Capital Partners LLP11,219$717.0K0.05%−38−0.3%Reduced
State of New Jersey Common Pension Fund D11,873$759.3K0.00%−474−3.8%Reduced
Police & Firemen's Retirement System of New Jersey12,503$799.6K0.01%+12,503New
Franklin Resources Inc12,788$817.8K0.00%+7,844+158.7%Added
Vestcor Inc13,123$839.0K0.02%+7,500+133.4%Added
Barclays PLC13,162$841.7K0.00%−20,990−61.5%Reduced
Sound View Wealth Advisors Group, LLC13,296$850.3K0.05%−1,754−11.7%Reduced
Catalyst Funds Management Pty Ltd13,400$856.9K0.05%00.0%Unchanged
Creative Planning13,720$877.4K0.00%+1,033+8.1%Added
Park Avenue Securities LLC14,734$942.0K0.01%+14,734New
Mariner, LLC14,882$951.6K0.00%−1,436−8.8%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)15,111$966.3K0.00%00.0%Unchanged
Savant Capital, LLC15,478$992.2K0.00%−526−3.3%Reduced
Stifel Financial Corp15,847$1.01M0.00%−16,104−50.4%Reduced
Ami Asset Management Corp15,858$1.01M0.06%−6,085−27.7%Reduced
Mark Sheptoff Financial Planning, LLC16,000$1.02M0.54%−500−3.0%Reduced
TD Waterhouse Canada Inc.16,691$1.05M0.00%+724+4.5%Added
Brinker Capital Investments, LLC17,775$1.14M0.01%−2,958−14.3%Reduced
Juncture Wealth Strategies, LLC17,824$1.14M0.30%+8,354+88.2%Added
Headlands Technologies LLC18,161$1.16M0.12%+18,161New
Susquehanna International Group, LLP18,231$1.17M0.00%−365,580−95.3%Reduced
XTX Topco Ltd18,261$1.17M0.02%+18,261New
STRS Ohio18,600$1.19M0.00%+18,600New
Superstring Capital Management LP18,867$1.21M0.76%+18,867New
CenterBook Partners LP19,434$1.24M0.06%+19,434New
Mirae Asset Global ETFs Holdings Ltd.19,438$1.24M0.00%+19,438New
Sigma Planning Corp20,150$1.29M0.03%+20,150New
Wealth Enhancement Advisory Services, LLC20,499$1.30M0.00%+318+1.6%Added
Kornitzer Capital Management Inc20,672$1.32M0.03%−697−3.3%Reduced
Toth Financial Advisory Corp20,725$1.33M0.13%00.0%Unchanged
Handelsbanken Fonder AB21,000$1.34M0.00%+21,000New
Precision Wealth Strategies, LLC22,348$1.43M0.43%+8,285+58.9%Added
Virtus Investment Advisers, Inc.22,411$1.43M0.33%+2,111+10.4%Added
Atika Capital Management LLC23,000$1.47M0.15%+23,000New
MetLife Investment Management24,696$1.58M0.01%+24,696New
Caption Management, LLC25,000$1.60M0.06%+25,000New
ADAR1 Capital Management, LLC26,913$1.72M0.08%00.0%Unchanged
Vanguard Asset Management, Ltd26,959$1.72M0.00%+3,536+15.1%Added
Public Employees Retirement System of Ohio28,955$1.85M0.01%00.0%Unchanged
Artia Global Partners LP29,200$1.87M0.35%00.0%Unchanged
Ieq Capital, LLC29,746$1.90M0.01%−13,204−30.7%Reduced
State of Wisconsin Investment Board29,876$1.91M0.00%+12,800+75.0%Added
Penserra Capital Management LLC30,226$1.93M0.01%−22,876−43.1%Reduced
Baird Financial Group, Inc.30,708$1.96M0.00%−9,541−23.7%Reduced
Financial Enhancement Group LLC31,391$2.01M0.24%+31,391New
LPL Financial LLC32,420$2.07M0.00%+11,495+54.9%Added
Ameriprise Financial Inc32,571$2.08M0.00%+816+2.6%Added
JPMorgan Chase & Co31,553$2.09M0.00%−75,464−70.5%Reduced
Voleon Capital Management LP32,806$2.10M0.04%−87,579−72.7%Reduced
ExodusPoint Capital Management, LP33,017$2.11M0.02%−19,286−36.9%Reduced
Timothy G. Youngquist 2020 Irrevocable Trust34,341$2.20M0.44%+34,341New
Price T Rowe Associates Inc34,830$2.23M0.00%+34,830New
Legal & General Group Plc35,549$2.27M0.00%+10,947+44.5%Added
Raymond James Financial Inc38,148$2.44M0.00%+7,059+22.7%Added
Cerity Partners LLC40,488$2.59M0.00%−3,224−7.4%Reduced
Citigroup Inc40,513$2.59M0.00%+6,799+20.2%Added
Man Group plc40,524$2.59M0.00%−86,662−68.1%Reduced
PDT Partners, LLC40,567$2.59M0.14%−39,696−49.5%Reduced
Mutual of America Capital Management LLC41,504$2.65M0.03%+41,504New
Aquatic Capital Management LLC41,528$2.66M0.09%+37,159+850.5%Added
Citadel Advisors LLC41,665$2.66M0.00%−433,085−91.2%Reduced
California State Teachers Retirement System42,559$2.72M0.00%+584+1.4%Added
UBS Group AG45,174$2.89M0.00%−24,526−35.2%Reduced
Wells Fargo & Company48,677$3.11M0.00%+40,309+481.7%Added
Los Angeles Capital Management LLC50,786$3.25M0.01%+34,557+212.9%Added
Truist Financial Corp51,671$3.30M0.00%+51,671New
Healthcare of Ontario Pension Plan Trust Fund52,700$3.37M0.00%−35,900−40.5%Reduced
Trexquant Investment LP53,507$3.42M0.02%−81,773−60.4%Reduced
Linden Thomas Advisory Services, LLC54,803$3.50M0.28%−66,974−55.0%Reduced
EAM Investors, LLC55,765$3.57M0.32%−729−1.3%Reduced
American Century Companies Inc56,408$3.61M0.00%+49,106+672.5%Added
Rhumbline Advisers58,529$3.74M0.00%+51,243+703.3%Added
Allspring Global Investments Holdings, LLC65,097$4.16M0.01%+49,741+323.9%Added
Lazard Asset Management LLC67,291$4.30M0.01%+45,859+214.0%Added
Manufacturers Life Insurance Company, The67,715$4.33M0.00%+4,369+6.9%Added