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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 2024

Institutional positions in Kiniksa Pharmaceuticals International, plc as of Jun 30, 2024. 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
133
−20 vs. Q1 2024
Shares held
35.3M
−3.59M (−9.2%) vs. Q1 2024
Total value
$659.4M
−$108.1M (−14.1%) vs. Q1 2024
New holders
22
53 more added
Sold out
42
45 more reduced

1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: 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 2024: 133 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 2024: $659.4M
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 2024

Shares, value and share of portfolio for each institution holding Kiniksa Pharmaceuticals International, plc; share changes are against Q1 2024.

Institutions holding KNSA in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.4,591,136$85.7M0.00%+397,229+9.5%Added
Fairmount Funds Management LLC3,204,841$59.8M6.76%00.0%Unchanged
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)3,144,556$58.7M1.45%+8,821+0.3%Added
Baker Bros. Advisors LP2,818,323$52.6M0.67%+8,746+0.3%Added
Rubric Capital Management LP2,419,103$45.2M1.19%+223,094+10.2%Added
Braidwell LP2,058,303$38.4M1.21%+665,587+47.8%Added
Morgan Stanley1,985,486$37.1M0.00%+714,873+56.3%Added
State Street Corp1,417,947$26.5M0.00%−470,597−24.9%Reduced
Pictet Asset Management Holding SA1,303,716$24.3M0.03%−156,917−10.7%Reduced
Geode Capital Management, LLC848,894$15.8M0.00%+123,383+17.0%Added
Nuveen Asset Management, LLC766,411$14.3M0.00%−64,688−7.8%Reduced
Dimensional Fund Advisors LP664,040$12.4M0.00%+157,741+31.2%Added
Parkman Healthcare Partners LLC647,142$12.1M1.65%+979+0.2%Added
Tang Capital Management LLC625,309$11.7M1.19%+125,309+25.1%Added
Millennium Management LLC621,948$11.6M0.01%+382,539+159.8%Added
Driehaus Capital Management LLC615,836$11.5M0.11%−6,704−1.1%Reduced
ArrowMark Colorado Holdings LLC608,868$11.4M0.14%−58,108−8.7%Reduced
Rice Hall James & Associates, LLC600,630$11.2M0.67%−18,168−2.9%Reduced
Granahan Investment Management Inc568,735$10.6M0.42%−79,352−12.2%Reduced
Northern Trust Corp292,933$5.47M0.00%+2,289+0.8%Added
Hudson Bay Capital Management LP255,000$4.76M0.04%+104,000+68.9%Added
Peregrine Capital Management LLC239,156$4.47M0.13%+3,111+1.3%Added
Connor, Clark & Lunn Investment Management Ltd.231,079$4.31M0.02%−30,619−11.7%Reduced
Bank of America Corp214,847$4.01M0.00%+2,342+1.1%Added
Trexquant Investment LP201,715$3.77M0.06%+127,809+172.9%Added
Soleus Capital Management, L.P.200,000$3.73M0.33%+200,000New
Essex Investment Management Co LLC199,799$3.73M0.70%+27,059+15.7%Added
Hennion & Walsh Asset Management, Inc.181,966$3.40M0.17%+57,088+45.7%Added
D. E. Shaw & Co., Inc.169,648$3.17M0.00%−52,205−23.5%Reduced
Knights of Columbus Asset Advisors LLC166,272$3.09M0.20%+3,989+2.5%Added
State of Wisconsin Investment Board147,865$2.76M0.01%+10,218+7.4%Added
Hussman Strategic Advisors, Inc.147,000$2.74M0.76%−10,500−6.7%Reduced
Prudential Financial Inc141,500$2.64M0.00%−14,710−9.4%Reduced
Arrowstreet Capital, Limited Partnership140,061$2.62M0.00%−45,752−24.6%Reduced
AQR Capital Management LLC125,995$2.35M0.00%−33,328−20.9%Reduced
Linden Thomas Advisory Services, LLC118,302$2.21M0.34%+1,921+1.7%Added
Bank of New York Mellon Corp115,143$2.15M0.00%+2,563+2.3%Added
ADAR1 Capital Management, LLC114,309$2.13M0.43%+54,609+91.5%Added
UBS Oconnor LLC113,995$2.13M0.06%+19,500+20.6%Added
Lion Point Capital, LP104,691$1.95M6.12%−26,000−19.9%Reduced
Charles Schwab Investment Management Inc92,408$1.73M0.00%+8,253+9.8%Added
HighVista Strategies LLC88,688$1.66M0.60%00.0%Unchanged
Schonfeld Strategic Advisors LLC88,391$1.65M0.01%−128,517−59.2%Reduced
BNP Paribas Arbitrage, SA87,002$1.62M0.00%+40,942+88.9%Added
Los Angeles Capital Management LLC79,200$1.48M0.01%−60,650−43.4%Reduced
Swiss National Bank78,600$1.47M0.00%+23,000+41.4%Added
SG Americas Securities, LLC69,226$1.29M0.01%+50,066+261.3%Added
Massachusetts Financial Services Co68,434$1.28M0.00%−7,049−9.3%Reduced
Principal Financial Group Inc66,951$1.25M0.00%+7,960+13.5%Added
Legato Capital Management LLC66,918$1.25M0.17%00.0%Unchanged
Franklin Resources Inc66,433$1.24M0.00%+2,402+3.8%Added
Allspring Global Investments Holdings, LLC64,943$1.21M0.00%+3,837+6.3%Added
Rafferty Asset Management, LLC60,614$1.13M0.00%−80,249−57.0%Reduced
Acadian Asset Management LLC57,230$1.07M0.00%−107,338−65.2%Reduced
Rhumbline Advisers56,066$1.05M0.00%−5,365−8.7%Reduced
Citadel Advisors LLC54,820$1.02M0.00%−50,470−47.9%Reduced
Jackson Creek Investment Advisors LLC54,296$1.01M0.37%−88−0.2%Reduced
Martingale Asset Management L P45,377$847.2K0.02%00.0%Unchanged
Legal & General Group Plc43,902$820.0K0.00%+17,907+68.9%Added
SEI Investments Co38,976$727.7K0.00%−34,505−47.0%Reduced
California State Teachers Retirement System38,389$716.7K0.00%+9,727+33.9%Added
M&T Bank Corp36,389$679.6K0.00%+55+0.2%Added
Barclays PLC34,839$650.4K0.00%−7,308−17.3%Reduced
Advantage Alpha Capital Partners LP31,258$583.6K0.13%+31,258New
STRS Ohio30,600$571.3K0.00%+2,500+8.9%Added
Fisher Asset Management, LLC30,225$564.3K0.00%+30,225New
Birchview Capital, LP30,000$560.1K0.52%00.0%Unchanged
Jane Street Group, LLC29,636$553.3K0.00%+16,722+129.5%Added
American Century Companies Inc29,226$545.6K0.00%+7,314+33.4%Added
Y-Intercept (Hong Kong) Ltd29,093$543.2K0.03%+29,093New
Janney Montgomery Scott LLC28,231$525.0K0.00%+1,388+5.2%Added
Voloridge Investment Management, LLC25,786$481.4K0.00%−8,276−24.3%Reduced
Squarepoint Ops LLC24,845$463.9K0.00%+11,344+84.0%Added
Options Solutions, LLC21,875$408.4K0.24%−18,330−45.6%Reduced
Algert Global LLC18,603$347.3K0.01%+8,156+78.1%Added
Virtus ETF Advisers LLC17,556$327.8K0.16%−4,791−21.4%Reduced
Victory Capital Management Inc17,343$323.8K0.00%+202+1.2%Added
XTX Topco Ltd16,828$314.2K0.03%+16,828New
Mercer Global Advisors Inc16,590$309.7K0.00%−1,099−6.2%Reduced
Corebridge Financial, Inc.16,372$305.7K0.00%+16,372New
Mirae Asset Global ETFs Holdings Ltd.16,270$303.8K0.00%+16,270New
Robeco Institutional Asset Management B.V.15,982$298.4K0.00%00.0%Unchanged
Nebula Research & Development LLC15,070$281.4K0.05%+15,070New
Personal Cfo Solutions, LLC14,238$265.8K0.04%00.0%Unchanged
Wells Fargo & Company14,133$263.9K0.00%+1,574+12.5%Added
QRG Capital Management, Inc.14,033$261.9K0.00%−1,145−7.5%Reduced
Voya Investment Management LLC12,774$238.5K0.00%+2,199+20.8%Added
Engineers Gate Manager LP12,569$234.7K0.01%−2,365−15.8%Reduced
Campbell & CO Investment Adviser LLC12,510$233.6K0.02%−10,047−44.5%Reduced
Janus Henderson Group PLC12,179$227.5K0.00%−180−1.5%Reduced
New York State Common Retirement Fund12,168$227.2K0.00%−27,603−69.4%Reduced
Price T Rowe Associates Inc11,882$222.0K0.00%+11,882New
Sherbrooke Park Advisers LLC11,733$219.1K0.04%+11,733New
Profund Advisors LLC11,504$214.8K0.01%−10,522−47.8%Reduced
Arizona State Retirement System11,192$209.0K0.00%+11,192New
Jump Financial, LLC11,163$208.4K0.00%−38,915−77.7%Reduced
HRT Financial LP11,075$206.0K0.00%+11,075New
Aquatic Capital Management LLC11,000$205.4K0.01%+500+4.8%Added
Sound View Wealth Advisors Group, LLC10,642$198.7K0.02%+10,642New
Susquehanna International Group, LLP10,610$198.1K0.00%−120,613−91.9%Reduced