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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, 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
ADAR1 Capital Management, LLC105,000$1.84M0.82%+105,000New
Linden Thomas Advisory Services, LLC114,550$2.01M0.38%−1,341−1.2%Reduced
Lion Point Capital, LP130,691$2.29M2.05%00.0%Unchanged
Bank of New York Mellon Corp133,553$2.34M0.00%−13,015−8.9%Reduced
Los Angeles Capital Management LLC147,182$2.58M0.01%+1,540+1.1%Added
Logos Global Management LP150,000$2.63M0.29%+150,000New
Charles Schwab Investment Management Inc156,741$2.75M0.00%−50,242−24.3%Reduced
Ameriprise Financial Inc165,285$2.90M0.00%−181,582−52.3%Reduced
Prudential Financial Inc170,010$2.98M0.00%−29,030−14.6%Reduced
Essex Investment Management Co LLC171,890$3.01M0.59%−13,963−7.5%Reduced
StemPoint Capital LP183,102$3.21M0.87%+183,102New
Barclays PLC185,756$3.26M0.00%+10,231+5.8%Added
Citadel Advisors LLC214,696$3.77M0.00%+132,658+161.7%Added
Hudson Bay Capital Management LP215,000$3.77M0.03%−87,500−28.9%Reduced
Schonfeld Strategic Advisors LLC226,451$3.97M0.03%+17,951+8.6%Added
Healthcare of Ontario Pension Plan Trust Fund227,500$3.99M0.01%−15,000−6.2%Reduced
AQR Capital Management LLC228,045$4.00M0.01%−95,533−29.5%Reduced
Connor, Clark & Lunn Investment Management Ltd.259,283$4.55M0.02%+2,351+0.9%Added
Northern Trust Corp300,124$5.26M0.00%+4,005+1.4%Added
D. E. Shaw & Co., Inc.304,605$5.34M0.01%−12,914−4.1%Reduced
Walleye Capital LLC327,332$5.74M0.08%+327,332New
GMT Capital Corp341,553$5.99M0.23%−136,300−28.5%Reduced
Dimensional Fund Advisors LP349,753$6.13M0.00%−23,968−6.4%Reduced
Nuveen Asset Management, LLC411,024$7.21M0.00%−152,902−27.1%Reduced
Millennium Management LLC428,335$7.51M0.01%−177,239−29.3%Reduced
Altitude Crest Partners Inc.456,041$8.00M5.35%+456,041New
Tang Capital Management LLC600,000$10.5M0.97%00.0%Unchanged
Parkman Healthcare Partners LLC615,693$10.8M1.53%+105,883+20.8%Added
Rice Hall James & Associates, LLC636,029$11.2M0.65%−14,337−2.2%Reduced
Driehaus Capital Management LLC661,715$11.6M0.14%+157,965+31.4%Added
Geode Capital Management, LLC699,613$12.3M0.00%+40,044+6.1%Added
ArrowMark Colorado Holdings LLC714,879$12.5M0.14%−45,474−6.0%Reduced
Granahan Investment Management Inc722,388$12.7M0.42%+188,174+35.2%Added
Goldman Sachs Group Inc909,212$15.9M0.00%+43,430+5.0%Added
State Street Corp1,546,096$27.1M0.00%−215,576−12.2%Reduced
Pictet Asset Management Holding SA1,570,816$27.6M0.03%−33,901−2.1%Reduced
Morgan Stanley1,595,479$28.0M0.00%+103,990+7.0%Added
Baker Bros. Advisors LP2,809,577$49.3M0.56%00.0%Unchanged
Fairmount Funds Management LLC2,883,221$50.6M5.34%+408,660+16.5%Added
Rubric Capital Management LP2,907,501$51.0M1.90%−169,948−5.5%Reduced
Vanguard Group Inc2,965,299$52.0M0.00%+6,342+0.2%Added
BlackRock Inc.3,180,588$55.8M0.00%+62,280+2.0%Added
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)0$00.00%−698,741−100.0%Sold out
Marshall Wace, LLP0$00.00%−158,230−100.0%Sold out
Soleus Capital Management, L.P.0$00.00%−157,349−100.0%Sold out
EAM Investors, LLC0$00.00%−124,438−100.0%Sold out
AlphaCentric Advisors LLC0$00.00%−110,000−100.0%Sold out
Jackson Creek Investment Advisors LLC0$00.00%−65,607−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−65,029−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−63,216−100.0%Sold out
Capula Management Ltd0$00.00%−51,340−100.0%Sold out
Winton Group Ltd0$00.00%−22,504−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−20,814−100.0%Sold out
SEI Investments Co0$00.00%−20,819−100.0%Sold out
Nebula Research & Development LLC0$00.00%−13,686−100.0%Sold out
Engineers Gate Manager LP0$00.00%−10,326−100.0%Sold out
Globeflex Capital L P0$00.00%−9,338−100.0%Sold out
Amundi0$00.00%−5,770−100.0%Sold out
IFP Advisors, Inc0$00.00%−3,750−100.0%Sold out
Lazard Asset Management LLC0$00.00%−3,502−100.0%Sold out
Cary Street Partner Investment Advisory LLC0$00.00%−1,000−100.0%Sold out
Toronto Dominion Bank0$00.00%−4−100.0%Sold out
Virginia Retirement Systems Et Al––––Not filed