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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, Q1 2024

Institutional positions in Kiniksa Pharmaceuticals International, plc as of Mar 31, 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
154
+13 vs. Q4 2023
Shares held
38.9M
+4.75M (+13.9%) vs. Q4 2023
Total value
$768.1M
+$168.4M (+28.1%) vs. Q4 2023
New holders
33
51 more added
Sold out
20
49 more reduced

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 holdersQ1 2024: 154 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 heldQ1 2024: $768.1M
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, Q1 2024

Shares, value and share of portfolio for each institution holding Kiniksa Pharmaceuticals International, plc; share changes are against Q4 2023.

Institutions holding KNSA in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.4,193,907$82.7M0.00%+1,013,319+31.9%Added
Fairmount Funds Management LLC3,204,841$63.2M6.89%+321,620+11.2%Added
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)3,135,735$61.9M1.34%+3,135,735New
Vanguard Group Inc2,981,894$58.8M0.00%+16,595+0.6%Added
Baker Bros. Advisors LP2,809,577$55.4M0.70%00.0%Unchanged
Rubric Capital Management LP2,196,009$43.3M1.28%−711,492−24.5%Reduced
State Street Corp1,888,544$37.3M0.00%+342,448+22.1%Added
Pictet Asset Management Holding SA1,460,633$28.8M0.03%−110,183−7.0%Reduced
Braidwell LP1,392,716$27.5M0.89%+1,392,716New
Morgan Stanley1,270,613$25.1M0.00%−324,866−20.4%Reduced
Nuveen Asset Management, LLC831,099$16.4M0.00%+420,075+102.2%Added
Goldman Sachs Group Inc760,107$15.0M0.00%−149,105−16.4%Reduced
Geode Capital Management, LLC725,511$14.3M0.00%+25,898+3.7%Added
ArrowMark Colorado Holdings LLC666,976$13.2M0.15%−47,903−6.7%Reduced
Granahan Investment Management Inc648,087$12.8M0.45%−74,301−10.3%Reduced
Parkman Healthcare Partners LLC646,163$12.7M1.56%+30,470+4.9%Added
Driehaus Capital Management LLC622,540$12.3M0.12%−39,175−5.9%Reduced
Rice Hall James & Associates, LLC618,798$12.2M0.70%−17,231−2.7%Reduced
Dimensional Fund Advisors LP506,299$9.99M0.00%+156,546+44.8%Added
Tang Capital Management LLC500,000$9.87M1.03%−100,000−16.7%Reduced
Altitude Crest Partners Inc.400,441$7.90M3.38%−55,600−12.2%Reduced
Northern Trust Corp290,644$5.73M0.00%−9,480−3.2%Reduced
Connor, Clark & Lunn Investment Management Ltd.261,698$5.16M0.02%+2,415+0.9%Added
Millennium Management LLC239,409$4.72M0.00%−188,926−44.1%Reduced
Peregrine Capital Management LLC236,045$4.66M0.13%+236,045New
D. E. Shaw & Co., Inc.221,853$4.38M0.01%−82,752−27.2%Reduced
Schonfeld Strategic Advisors LLC216,908$4.28M0.03%−9,543−4.2%Reduced
Bank of America Corp212,505$4.19M0.00%+161,962+320.4%Added
Citigroup Inc191,020$3.77M0.00%+144,662+312.1%Added
Arrowstreet Capital, Limited Partnership185,813$3.67M0.00%+109,061+142.1%Added
Essex Investment Management Co LLC172,740$3.41M0.67%+850+0.5%Added
Acadian Asset Management LLC164,568$3.24M0.01%+103,120+167.8%Added
Knights of Columbus Asset Advisors LLC162,283$3.20M0.23%+162,283New
AQR Capital Management LLC159,323$3.14M0.01%−68,722−30.1%Reduced
Hussman Strategic Advisors, Inc.157,500$3.11M0.72%+157,500New
Prudential Financial Inc156,210$3.08M0.00%−13,800−8.1%Reduced
Hudson Bay Capital Management LP151,000$2.98M0.03%−64,000−29.8%Reduced
Rafferty Asset Management, LLC140,863$2.78M0.01%+45,008+47.0%Added
Los Angeles Capital Management LLC139,850$2.76M0.01%−7,332−5.0%Reduced
State of Wisconsin Investment Board137,647$2.72M0.01%+56,570+69.8%Added
Susquehanna International Group, LLP131,223$2.59M0.00%+95,330+265.6%Added
Lion Point Capital, LP130,691$2.58M4.93%00.0%Unchanged
Qube Research & Technologies Ltd128,821$2.54M0.00%+34,322+36.3%Added
Nordea Investment Management AB126,742$2.49M0.00%+126,742New
Hennion & Walsh Asset Management, Inc.124,878$2.46M0.13%+28,237+29.2%Added
Ameriprise Financial Inc117,231$2.31M0.00%−48,054−29.1%Reduced
Linden Thomas Advisory Services, LLC116,381$2.30M0.37%+1,831+1.6%Added
Bank of New York Mellon Corp112,580$2.22M0.00%−20,973−15.7%Reduced
Citadel Advisors LLC105,290$2.08M0.00%−109,406−51.0%Reduced
UBS Group AG104,762$2.07M0.00%+19,346+22.6%Added
Cubist Systematic Strategies, LLC102,997$2.03M0.02%+67,081+186.8%Added
UBS Oconnor LLC94,495$1.86M0.05%−6,227−6.2%Reduced
Deutsche Bank AG91,744$1.81M0.00%+385+0.4%Added
HighVista Strategies LLC88,688$1.75M0.62%00.0%Unchanged
Wellington Management Group LLP84,493$1.67M0.00%+84,493New
Charles Schwab Investment Management Inc84,155$1.66M0.00%−72,586−46.3%Reduced
Massachusetts Financial Services Co75,483$1.49M0.00%−167−0.2%Reduced
Trexquant Investment LP73,906$1.46M0.03%+2,356+3.3%Added
SEI Investments Co73,481$1.45M0.00%+73,481New
Dark Forest Capital Management LP70,596$1.39M0.24%+70,596New
Legato Capital Management LLC66,918$1.32M0.16%00.0%Unchanged
Franklin Resources Inc64,031$1.26M0.00%+37,283+139.4%Added
Rhumbline Advisers61,431$1.21M0.00%+494+0.8%Added
Allspring Global Investments Holdings, LLC61,106$1.21M0.00%+9,490+18.4%Added
Brevan Howard Capital Management LP59,954$1.18M0.11%+59,954New
ADAR1 Capital Management, LLC59,700$1.18M0.32%−45,300−43.1%Reduced
Principal Financial Group Inc58,991$1.16M0.00%+17,659+42.7%Added
Swiss National Bank55,600$1.10M0.00%00.0%Unchanged
Jackson Creek Investment Advisors LLC54,384$1.07M0.38%+54,384New
Invesco Ltd.54,320$1.07M0.00%+41,678+329.7%Added
Jump Financial, LLC50,078$988.0K0.03%−4,142−7.6%Reduced
BNP Paribas Arbitrage, SA46,060$908.8K0.00%−30,608−39.9%Reduced
Martingale Asset Management L P45,377$895.3K0.02%00.0%Unchanged
Tejara Capital Ltd42,649$841.5K0.31%−52,500−55.2%Reduced
Barclays PLC42,147$831.6K0.00%−143,609−77.3%Reduced
Capula Management Ltd41,242$813.7K0.03%+41,242New
Options Solutions, LLC40,205$793.2K0.45%+40,205New
New York State Common Retirement Fund39,771$784.7K0.00%+4,904+14.1%Added
Alliancebernstein L.P.39,560$780.5K0.00%00.0%Unchanged
M&T Bank Corp36,334$716.9K0.00%−78−0.2%Reduced
Voloridge Investment Management, LLC34,062$672.0K0.00%+34,062New
Birchview Capital, LP30,000$591.9K0.48%00.0%Unchanged
Cerity Partners LLC29,683$585.6K0.00%+29,683New
Credit Suisse AG28,924$570.7K0.00%00.0%Unchanged
California State Teachers Retirement System28,662$565.5K0.00%−1,625−5.4%Reduced
Alps Advisors Inc28,203$556.4K0.00%−13,693−32.7%Reduced
STRS Ohio28,100$554.0K0.00%−5,200−15.6%Reduced
Janney Montgomery Scott LLC26,843$530.0K0.00%+1,940+7.8%Added
Balyasny Asset Management LLC26,200$516.9K0.00%−20,089−43.4%Reduced
Legal & General Group Plc25,995$512.9K0.00%+927+3.7%Added
Campbell & CO Investment Adviser LLC22,557$445.1K0.04%−625−2.7%Reduced
Virtus ETF Advisers LLC22,347$440.9K0.23%+3,215+16.8%Added
JPMorgan Chase & Co22,185$437.7K0.00%−23,785−51.7%Reduced
Profund Advisors LLC22,026$434.6K0.02%+6,138+38.6%Added
American Century Companies Inc21,912$432.3K0.00%+2,396+12.3%Added
SG Americas Securities, LLC19,160$378.0K0.00%+1,435+8.1%Added
New York Life Investment Management LLC17,856$352.3K0.00%+17,856New
Mercer Global Advisors Inc17,689$349.0K0.00%−1,095−5.8%Reduced
MetLife Investment Management17,349$342.3K0.00%00.0%Unchanged
Victory Capital Management Inc17,141$338.2K0.00%+2,488+17.0%Added