Skip to main content

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, Q4 2023

Institutional positions in Kiniksa Pharmaceuticals International, plc as of Dec 31, 2023. 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
142
+9 vs. Q3 2023
Shares held
34.2M
−619.5K (−1.8%) vs. Q3 2023
Total value
$600.4M
−$4.94M (−0.8%) vs. Q3 2023
New holders
29
39 more added
Sold out
20
57 more reduced

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 142 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 heldQ4 2023: $600.4M
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, Q4 2023

Shares, value and share of portfolio for each institution holding Kiniksa Pharmaceuticals International, plc; share changes are against Q3 2023.

Institutions holding KNSA in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,180,588$55.8M0.00%+62,280+2.0%Added
Vanguard Group Inc2,965,299$52.0M0.00%+6,342+0.2%Added
Rubric Capital Management LP2,907,501$51.0M1.90%−169,948−5.5%Reduced
Fairmount Funds Management LLC2,883,221$50.6M5.34%+408,660+16.5%Added
Baker Bros. Advisors LP2,809,577$49.3M0.56%00.0%Unchanged
Morgan Stanley1,595,479$28.0M0.00%+103,990+7.0%Added
Pictet Asset Management Holding SA1,570,816$27.6M0.03%−33,901−2.1%Reduced
State Street Corp1,546,096$27.1M0.00%−215,576−12.2%Reduced
Goldman Sachs Group Inc909,212$15.9M0.00%+43,430+5.0%Added
Granahan Investment Management Inc722,388$12.7M0.42%+188,174+35.2%Added
ArrowMark Colorado Holdings LLC714,879$12.5M0.14%−45,474−6.0%Reduced
Geode Capital Management, LLC699,613$12.3M0.00%+40,044+6.1%Added
Driehaus Capital Management LLC661,715$11.6M0.14%+157,965+31.4%Added
Rice Hall James & Associates, LLC636,029$11.2M0.65%−14,337−2.2%Reduced
Parkman Healthcare Partners LLC615,693$10.8M1.53%+105,883+20.8%Added
Tang Capital Management LLC600,000$10.5M0.97%00.0%Unchanged
Altitude Crest Partners Inc.456,041$8.00M5.35%+456,041New
Millennium Management LLC428,335$7.51M0.01%−177,239−29.3%Reduced
Nuveen Asset Management, LLC411,024$7.21M0.00%−152,902−27.1%Reduced
Dimensional Fund Advisors LP349,753$6.13M0.00%−23,968−6.4%Reduced
GMT Capital Corp341,553$5.99M0.23%−136,300−28.5%Reduced
Walleye Capital LLC327,332$5.74M0.08%+327,332New
D. E. Shaw & Co., Inc.304,605$5.34M0.01%−12,914−4.1%Reduced
Northern Trust Corp300,124$5.26M0.00%+4,005+1.4%Added
Connor, Clark & Lunn Investment Management Ltd.259,283$4.55M0.02%+2,351+0.9%Added
AQR Capital Management LLC228,045$4.00M0.01%−95,533−29.5%Reduced
Healthcare of Ontario Pension Plan Trust Fund227,500$3.99M0.01%−15,000−6.2%Reduced
Schonfeld Strategic Advisors LLC226,451$3.97M0.03%+17,951+8.6%Added
Hudson Bay Capital Management LP215,000$3.77M0.03%−87,500−28.9%Reduced
Citadel Advisors LLC214,696$3.77M0.00%+132,658+161.7%Added
Barclays PLC185,756$3.26M0.00%+10,231+5.8%Added
StemPoint Capital LP183,102$3.21M0.87%+183,102New
Essex Investment Management Co LLC171,890$3.01M0.59%−13,963−7.5%Reduced
Prudential Financial Inc170,010$2.98M0.00%−29,030−14.6%Reduced
Ameriprise Financial Inc165,285$2.90M0.00%−181,582−52.3%Reduced
Charles Schwab Investment Management Inc156,741$2.75M0.00%−50,242−24.3%Reduced
Logos Global Management LP150,000$2.63M0.29%+150,000New
Los Angeles Capital Management LLC147,182$2.58M0.01%+1,540+1.1%Added
Bank of New York Mellon Corp133,553$2.34M0.00%−13,015−8.9%Reduced
Lion Point Capital, LP130,691$2.29M2.05%00.0%Unchanged
Linden Thomas Advisory Services, LLC114,550$2.01M0.38%−1,341−1.2%Reduced
ADAR1 Capital Management, LLC105,000$1.84M0.82%+105,000New
UBS Oconnor LLC100,722$1.77M0.06%−5,701−5.4%Reduced
Hennion & Walsh Asset Management, Inc.96,641$1.70M0.10%+41,594+75.6%Added
Rafferty Asset Management, LLC95,855$1.68M0.01%−43,251−31.1%Reduced
Tejara Capital Ltd95,149$1.67M0.70%+60,149+171.9%Added
Qube Research & Technologies Ltd94,499$1.66M0.00%+17,562+22.8%Added
Deutsche Bank AG91,359$1.60M0.00%−367−0.4%Reduced
HighVista Strategies LLC88,688$1.56M0.56%+88,688New
UBS Group AG85,416$1.50M0.00%+22,602+36.0%Added
ExodusPoint Capital Management, LP83,572$1.47M0.02%+83,572New
State of Wisconsin Investment Board81,077$1.42M0.00%+56,282+227.0%Added
Arrowstreet Capital, Limited Partnership76,752$1.35M0.00%+4,037+5.6%Added
BNP Paribas Arbitrage, SA76,668$1.34M0.00%+7,846+11.4%Added
Massachusetts Financial Services Co75,650$1.33M0.00%−2,392−3.1%Reduced
HRT Financial LP74,866$1.31M0.01%+74,866New
Trexquant Investment LP71,550$1.25M0.03%−5,273−6.9%Reduced
Legato Capital Management LLC66,918$1.17M0.15%00.0%Unchanged
Ensign Peak Advisors, Inc66,443$1.17M0.00%00.0%Unchanged
Advisory Research Inc65,450$1.15M0.18%−138,648−67.9%Reduced
Acadian Asset Management LLC61,448$1.08M0.00%−164,733−72.8%Reduced
Rhumbline Advisers60,937$1.07M0.00%−2,196−3.5%Reduced
Jane Street Group, LLC59,901$1.05M0.00%+49,753+490.3%Added
Swiss National Bank55,600$975.2K0.00%−5,100−8.4%Reduced
Jump Financial, LLC54,220$951.0K0.03%+54,220New
Allspring Global Investments Holdings, LLC51,616$905.3K0.00%−9,916−16.1%Reduced
Bank of America Corp50,543$886.5K0.00%−62,016−55.1%Reduced
Citigroup Inc46,358$813.1K0.00%−17,793−27.7%Reduced
Balyasny Asset Management LLC46,289$811.9K0.00%+46,289New
JPMorgan Chase & Co45,970$806.3K0.00%+17,671+62.4%Added
Martingale Asset Management L P45,377$795.9K0.02%+140.0%Added
Alps Advisors Inc41,896$734.9K0.01%−29,207−41.1%Reduced
Principal Financial Group Inc41,332$725.0K0.00%−3,392−7.6%Reduced
Alliancebernstein L.P.39,560$693.9K0.00%−2,340−5.6%Reduced
Putnam Investments LLC39,486$692.6K0.00%−1,256−3.1%Reduced
Opaleye Management Inc.37,500$640.2K0.17%+37,500New
M&T Bank Corp36,412$638.4K0.00%−601−1.6%Reduced
Cubist Systematic Strategies, LLC35,916$630.0K0.01%+35,916New
Susquehanna International Group, LLP35,893$629.6K0.00%−173,527−82.9%Reduced
New York State Common Retirement Fund34,867$611.6K0.00%+20,841+148.6%Added
Vestcor Inc34,434$604.0K0.02%00.0%Unchanged
STRS Ohio33,300$584.0K0.00%−1,900−5.4%Reduced
California State Teachers Retirement System30,287$531.2K0.00%−1,359−4.3%Reduced
Birchview Capital, LP30,000$526.2K0.41%00.0%Unchanged
Credit Suisse AG28,924$507.3K0.00%+3,516+13.8%Added
Franklin Resources Inc26,748$469.2K0.00%+96+0.4%Added
Legal & General Group Plc25,068$439.7K0.00%+944+3.9%Added
Janney Montgomery Scott LLC24,903$437.0K0.00%+24,903New
Point72 Middle East FZE24,218$424.8K0.03%+24,218New
Campbell & CO Investment Adviser LLC23,182$406.6K0.04%−8,713−27.3%Reduced
Squarepoint Ops LLC22,768$399.4K0.00%−24,731−52.1%Reduced
Walleye Trading LLC21,424$375.8K0.01%+21,424New
Mirae Asset Global Investments Co., Ltd.19,782$347.0K0.00%−1,154−5.5%Reduced
American Century Companies Inc19,516$342.3K0.00%−1,473−7.0%Reduced
Virtus ETF Advisers LLC19,132$335.6K0.21%+671+3.6%Added
Mercer Global Advisors Inc18,784$329.0K0.00%+1,626+9.5%Added
SG Americas Securities, LLC17,725$311.0K0.00%+17,725New
MetLife Investment Management17,349$304.3K0.00%+17,349New
QRG Capital Management, Inc.16,010$280.8K0.00%+1,679+11.7%Added
Profund Advisors LLC15,888$278.7K0.01%−7,618−32.4%Reduced