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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 2024

Institutional positions in Kiniksa Pharmaceuticals International, plc as of Dec 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
160
−15 vs. Q3 2024
Shares held
39.1M
−577.4K (−1.5%) vs. Q3 2024
Total value
$773.1M
−$218.1M (−22.0%) vs. Q3 2024
New holders
19
62 more added
Sold out
34
58 more reduced

1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 160 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 2024: $773.1M
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, Q4 2024

Shares, value and share of portfolio for each institution holding Kiniksa Pharmaceuticals International, plc; share changes are against Q3 2024.

Institutions holding KNSA in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.3,571,863$70.7M0.00%−245,393−6.4%Reduced
Braidwell LP3,452,447$68.3M2.02%+557,934+19.3%Added
Vanguard Group Inc3,207,497$63.4M0.00%−90,759−2.8%Reduced
Baker Bros. Advisors LP2,818,323$55.7M0.60%00.0%Unchanged
Rubric Capital Management LP2,619,103$51.8M0.94%+200,000+8.3%Added
Fairmount Funds Management LLC2,194,341$43.4M4.32%−1,010,500−31.5%Reduced
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)1,582,635$31.3M1.08%00.0%Unchanged
Morgan Stanley1,487,747$29.4M0.00%+462,276+45.1%Added
Pictet Asset Management Holding SA1,133,931$22.4M0.02%−73,818−6.1%Reduced
Nuveen Asset Management, LLC795,612$15.7M0.00%+54,361+7.3%Added
Millennium Management LLC779,672$15.4M0.01%+263,146+50.9%Added
Dimensional Fund Advisors LP771,607$15.3M0.00%+29,300+3.9%Added
Parkman Healthcare Partners LLC765,453$15.1M2.02%+10,209+1.4%Added
State Street Corp729,579$14.4M0.00%+24,867+3.5%Added
FMR LLC705,341$14.0M0.00%+8,531+1.2%Added
Rice Hall James & Associates, LLC642,752$12.7M0.70%−6,878−1.1%Reduced
Tang Capital Management LLC628,609$12.4M0.82%00.0%Unchanged
Driehaus Capital Management LLC613,550$12.1M0.10%−117,393−16.1%Reduced
ArrowMark Colorado Holdings LLC521,889$10.3M0.14%−9,397−1.8%Reduced
Geode Capital Management, LLC492,630$9.74M0.00%+9,654+2.0%Added
JPMorgan Chase & Co477,800$9.45M0.00%+277,827+138.9%Added
Granahan Investment Management Inc463,110$9.16M0.38%−44,259−8.7%Reduced
Qube Research & Technologies Ltd420,130$8.31M0.01%+31,774+8.2%Added
Acadian Asset Management LLC382,621$7.56M0.02%+276,402+260.2%Added
D. E. Shaw & Co., Inc.320,007$6.33M0.01%−990−0.3%Reduced
Connor, Clark & Lunn Investment Management Ltd.306,946$6.07M0.03%−17,118−5.3%Reduced
Citadel Advisors LLC304,576$6.02M0.01%+106,163+53.5%Added
Northern Trust Corp283,599$5.61M0.00%+28,393+11.1%Added
Peregrine Capital Management LLC244,043$4.83M0.14%+4,361+1.8%Added
Oberweis Asset Management Inc237,200$4.69M0.22%+36,200+18.0%Added
Hudson Bay Capital Management LP225,000$4.45M0.03%+135,000+150.0%Added
Bank of America Corp215,772$4.27M0.00%+4,654+2.2%Added
Goldman Sachs Group Inc211,187$4.18M0.00%−297,186−58.5%Reduced
Raymond James Financial Inc199,953$3.96M0.00%+199,953New
Hennion & Walsh Asset Management, Inc.199,525$3.95M0.18%+3,673+1.9%Added
AQR Capital Management LLC197,442$3.91M0.01%+13,273+7.2%Added
Nordea Investment Management AB194,883$3.82M0.00%+8,257+4.4%Added
Jane Street Group, LLC189,452$3.75M0.01%−155,640−45.1%Reduced
Essex Investment Management Co LLC173,799$3.44M0.62%−26,717−13.3%Reduced
BNP Paribas Arbitrage, SA173,480$3.43M0.00%−19,446−10.1%Reduced
ADAR1 Capital Management, LLC166,406$3.29M0.68%−270,262−61.9%Reduced
Deutsche Bank AG142,397$2.82M0.00%+62,083+77.3%Added
Voloridge Investment Management, LLC140,878$2.79M0.01%−49,108−25.8%Reduced
Algert Global LLC135,814$2.69M0.06%+44,655+49.0%Added
ExodusPoint Capital Management, LP127,161$2.52M0.03%+115,223+965.2%Added
Bank of New York Mellon Corp122,051$2.41M0.00%+30,382+33.1%Added
Charles Schwab Investment Management Inc122,019$2.41M0.00%+32,393+36.1%Added
Linden Thomas Advisory Services, LLC117,604$2.33M0.29%−106−0.1%Reduced
State of Wisconsin Investment Board112,519$2.23M0.01%−2,237−1.9%Reduced
Jefferies Financial Group Inc.112,400$2.22M0.02%+31,800+39.5%Added
UBS Oconnor LLC99,632$1.97M0.05%+24,463+32.5%Added
Harbor Capital Advisors, Inc.98,093$1.94M0.08%+550+0.6%Added
Prudential Financial Inc91,920$1.82M0.00%−26,800−22.6%Reduced
Globeflex Capital L P88,596$1.75M0.15%+60,656+217.1%Added
Marshall Wace, LLP86,762$1.72M0.00%−3,809−4.2%Reduced
Trexquant Investment LP80,842$1.60M0.02%−74,350−47.9%Reduced
Susquehanna International Group, LLP78,108$1.54M0.00%+11,541+17.3%Added
HighVista Strategies LLC74,639$1.48M0.55%00.0%Unchanged
Swiss National Bank71,900$1.42M0.00%−6,700−8.5%Reduced
Barclays PLC71,896$1.42M0.00%+7,267+11.2%Added
Wellington Management Group LLP69,813$1.38M0.00%+22,096+46.3%Added
Franklin Resources Inc67,320$1.33M0.00%−213−0.3%Reduced
PDT Partners, LLC64,917$1.28M0.11%+27,675+74.3%Added
Massachusetts Financial Services Co64,881$1.28M0.00%−1,935−2.9%Reduced
Citigroup Inc61,482$1.22M0.00%+29,786+94.0%Added
Knights of Columbus Asset Advisors LLC60,966$1.21M0.08%−11,790−16.2%Reduced
Rhumbline Advisers58,955$1.17M0.00%−909−1.5%Reduced
UBS Group AG58,598$1.16M0.00%+9,091+18.4%Added
UBS Asset Management Americas Inc56,691$1.12M0.00%+12,462+28.2%Added
Los Angeles Capital Management LLC55,528$1.10M0.00%−44,473−44.5%Reduced
Verition Fund Management LLC54,728$1.08M0.01%+27,944+104.3%Added
Ami Asset Management Corp51,678$1.02M0.05%+416+0.8%Added
Legato Capital Management LLC51,379$1.02M0.13%−15,726−23.4%Reduced
Ameriprise Financial Inc51,076$1.01M0.00%−124,245−70.9%Reduced
Martingale Asset Management L P49,360$976.3K0.02%+900+1.9%Added
Allspring Global Investments Holdings, LLC49,309$975.3K0.00%−8,318−14.4%Reduced
Lion Point Capital, LP45,900$907.9K4.75%−15,500−25.2%Reduced
Danske Bank A/S42,830$847.2K0.00%+14,240+49.8%Added
SEI Investments Co42,184$834.4K0.00%−2,354−5.3%Reduced
American Century Companies Inc41,418$819.2K0.00%−452−1.1%Reduced
Legal & General Group Plc41,267$816.3K0.00%−4,137−9.1%Reduced
Alliancebernstein L.P.39,560$782.5K0.00%00.0%Unchanged
Cerity Partners LLC28,598$712.8K0.00%−4,786−14.3%Reduced
California State Teachers Retirement System34,322$678.9K0.00%−3,712−9.8%Reduced
STRS Ohio32,400$640.9K0.00%+5,500+20.4%Added
M&T Bank Corp30,735$607.9K0.00%00.0%Unchanged
Birchview Capital, LP30,000$593.4K0.48%00.0%Unchanged
Nebula Research & Development LLC29,521$583.9K0.07%−9,483−24.3%Reduced
Schonfeld Strategic Advisors LLC28,400$561.8K0.00%−60,900−68.2%Reduced
Principal Financial Group Inc26,907$532.2K0.00%−25,944−49.1%Reduced
Squarepoint Ops LLC26,808$530.3K0.00%+26,808New
Fisher Asset Management, LLC26,124$516.7K0.00%00.0%Unchanged
Allianz Asset Management GmbH23,500$464.8K0.00%+14,700+167.0%Added
MetLife Investment Management23,095$456.8K0.00%+1,374+6.3%Added
Intech Investment Management LLC23,002$455.0K0.00%+23,002New
Arrowstreet Capital, Limited Partnership22,453$444.1K0.00%−139,190−86.1%Reduced
Mirae Asset Global ETFs Holdings Ltd.21,841$432.0K0.00%+1,380+6.7%Added
Wells Fargo & Company21,102$417.4K0.00%+7,463+54.7%Added
Voya Investment Management LLC19,988$395.4K0.00%+2,870+16.8%Added
Woodline Partners LP19,005$375.9K0.00%−15,024−44.2%Reduced