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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 2025

Institutional positions in Kiniksa Pharmaceuticals International, plc as of Mar 31, 2025. 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
176
+18 vs. Q4 2024
Shares held
40.0M
+1.76M (+4.6%) vs. Q4 2024
Total value
$889.4M
+$132.0M (+17.4%) vs. Q4 2024
New holders
36
60 more added
Sold out
18
57 more reduced

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2025: 176 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 2025: $889.4M
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, Q1 2025

Shares, value and share of portfolio for each institution holding Kiniksa Pharmaceuticals International, plc; share changes are against Q4 2024.

Institutions holding KNSA in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Susquehanna International Group, LLP54,279$1.21M0.00%−23,829−30.5%Reduced
Barclays PLC55,343$1.23M0.00%−16,553−23.0%Reduced
UBS Asset Management Americas Inc55,976$1.24M0.00%−715−1.3%Reduced
Citadel Advisors LLC60,647$1.35M0.00%−243,929−80.1%Reduced
Opaleye Management Inc.62,501$1.39M0.31%+62,501New
Knights of Columbus Asset Advisors LLC62,624$1.39M0.10%+1,658+2.7%Added
Rhumbline Advisers62,700$1.39M0.00%+3,745+6.4%Added
Massachusetts Financial Services Co63,439$1.41M0.00%−1,442−2.2%Reduced
Voloridge Investment Management, LLC65,110$1.45M0.01%−75,768−53.8%Reduced
Franklin Resources Inc66,942$1.49M0.00%−378−0.6%Reduced
Swiss National Bank71,900$1.60M0.00%00.0%Unchanged
Danske Bank A/S73,987$1.64M0.01%+31,157+72.7%Added
HighVista Strategies LLC74,639$1.66M0.64%00.0%Unchanged
SEI Investments Co75,636$1.68M0.00%+33,452+79.3%Added
Ami Asset Management Corp77,688$1.73M0.10%+26,010+50.3%Added
Harbor Capital Advisors, Inc.77,722$1.73M0.08%−20,371−20.8%Reduced
Russell Investments Group, Ltd.83,151$1.88M0.00%+83,126+332,504.0%Added
Walleye Capital LLC86,203$1.91M0.02%+86,203New
Silverarc Capital Management, LLC88,215$1.96M0.41%+88,215New
Globeflex Capital L P88,596$1.97M0.18%00.0%Unchanged
Wellington Management Group LLP91,032$2.02M0.00%+21,219+30.4%Added
Prudential Financial Inc91,230$2.03M0.00%−690−0.8%Reduced
Susquehanna Fundamental Investments, LLC97,992$2.18M0.04%+97,992New
State of Wisconsin Investment Board101,042$2.24M0.01%−11,477−10.2%Reduced
Raymond James Financial Inc103,673$2.30M0.00%−96,280−48.2%Reduced
JPMorgan Chase & Co116,412$2.59M0.00%−361,388−75.6%Reduced
Linden Thomas Advisory Services, LLC117,281$2.60M0.34%−323−0.3%Reduced
Bank of New York Mellon Corp121,859$2.71M0.00%−192−0.2%Reduced
Nordea Investment Management AB128,050$2.87M0.00%−66,833−34.3%Reduced
Jane Street Group, LLC129,291$2.87M0.01%−60,161−31.8%Reduced
UBS Oconnor LLC139,275$3.09M0.07%+39,643+39.8%Added
Fisher Asset Management, LLC144,251$3.20M0.00%+118,127+452.2%Added
Squarepoint Ops LLC145,567$3.23M0.01%+118,759+443.0%Added
Goldman Sachs Group Inc156,328$3.47M0.00%−54,859−26.0%Reduced
Charles Schwab Investment Management Inc164,372$3.65M0.00%+42,353+34.7%Added
Vestal Point Capital, LP169,864$3.77M0.27%+169,864New
Essex Investment Management Co LLC172,666$3.83M0.80%−1,133−0.7%Reduced
Hennion & Walsh Asset Management, Inc.184,126$4.09M0.18%−15,399−7.7%Reduced
Kodai Capital Management LP185,364$4.12M0.16%+185,364New
Hudson Bay Capital Management LP200,000$4.44M0.03%−25,000−11.1%Reduced
Cubist Systematic Strategies, LLC209,939$4.66M0.06%+209,939New
BNP Paribas Arbitrage, SA225,430$5.01M0.00%+51,950+29.9%Added
Algert Global LLC230,467$5.12M0.13%+94,653+69.7%Added
Qube Research & Technologies Ltd235,128$5.22M0.01%−185,002−44.0%Reduced
Trexquant Investment LP236,483$5.25M0.06%+155,641+192.5%Added
Oberweis Asset Management Inc237,200$5.27M0.26%00.0%Unchanged
Bank of America Corp239,647$5.32M0.00%+23,875+11.1%Added
Northern Trust Corp291,196$6.47M0.00%+7,597+2.7%Added
Peregrine Capital Management LLC309,190$6.87M0.23%+65,147+26.7%Added
Granahan Investment Management Inc361,894$8.04M0.40%−101,216−21.9%Reduced
Deutsche Bank AG394,522$8.76M0.00%+252,125+177.1%Added
D. E. Shaw & Co., Inc.397,745$8.83M0.01%+77,738+24.3%Added
Connor, Clark & Lunn Investment Management Ltd.399,743$8.88M0.04%+92,797+30.2%Added
Soleus Capital Management, L.P.469,500$10.4M0.82%+469,500New
AQR Capital Management LLC491,761$10.9M0.01%+294,319+149.1%Added
Geode Capital Management, LLC505,451$11.2M0.00%+12,821+2.6%Added
ArrowMark Colorado Holdings LLC535,707$11.9M0.19%+13,818+2.6%Added
Driehaus Capital Management LLC611,278$13.6M0.13%−2,272−0.4%Reduced
Rice Hall James & Associates, LLC624,545$13.9M0.82%−18,207−2.8%Reduced
State Street Corp708,809$15.7M0.00%−20,770−2.8%Reduced
Parkman Healthcare Partners LLC762,621$16.9M2.01%−2,832−0.4%Reduced
Nuveen, LLC765,054$17.0M0.01%+765,054New
Dimensional Fund Advisors LP772,303$17.2M0.00%+696+0.1%Added
FMR LLC804,143$17.9M0.00%+98,802+14.0%Added
Millennium Management LLC847,124$18.8M0.02%+67,452+8.7%Added
Acadian Asset Management LLC1,034,321$23.0M0.06%+651,700+170.3%Added
Morgan Stanley1,076,399$23.9M0.00%−411,348−27.6%Reduced
Fairmount Funds Management LLC1,102,248$24.5M3.80%−1,092,093−49.8%Reduced
Pictet Asset Management Holding SA1,133,931$25.2M0.03%00.0%Unchanged
Point72 Asset Management, L.P.1,149,411$25.5M0.07%+1,149,411New
Braidwell LP1,962,909$43.6M1.53%−1,489,538−43.1%Reduced
Tang Capital Management LLC2,118,579$47.1M2.60%+1,489,970+237.0%Added
Baker Bros. Advisors LP2,818,323$62.6M0.69%00.0%Unchanged
Vanguard Group Inc3,359,101$74.6M0.00%+151,604+4.7%Added
Rubric Capital Management LP3,383,239$75.1M1.35%+764,136+29.2%Added
BlackRock, Inc.3,432,699$76.2M0.00%−139,164−3.9%Reduced
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)0$00.00%−1,582,635−100.0%Sold out
Jefferies Financial Group Inc.0$00.00%−112,400−100.0%Sold out
Marshall Wace, LLP0$00.00%−86,762−100.0%Sold out
M&T Bank Corp0$00.00%−30,735−100.0%Sold out
Arrowstreet Capital, Limited Partnership0$00.00%−22,453−100.0%Sold out
Woodline Partners LP0$00.00%−19,005−100.0%Sold out
Virtus ETF Advisers LLC0$00.00%−17,361−100.0%Sold out
Jump Financial, LLC0$00.00%−14,601−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−13,050−100.0%Sold out
HRT Financial LP0$00.00%−11,668−100.0%Sold out
Bellevue Group AG0$00.00%−8,100−100.0%Sold out
Advisor Group Holdings, Inc.0$00.00%−618−100.0%Sold out
National Bank of Canada0$00.00%−494−100.0%Sold out
Brown Brothers Harriman & Co0$00.00%−333−100.0%Sold out
Smartleaf Asset Management LLC0$00.00%−214−100.0%Sold out
Creekmur Asset Management LLC0$00.00%−95−100.0%Sold out
Van Hulzen Asset Management, LLC0$00.00%−50−100.0%Sold out
SRS Capital Advisors, Inc.0$00.00%−1−100.0%Sold out
Nuveen Asset Management, LLC––––Not filed
Cassady Schiller Wealth Management, LLC––––Not filed