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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, Q3 2023

Institutional positions in Kiniksa Pharmaceuticals International, plc as of Sep 30, 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
134
+8 vs. Q2 2023
Shares held
34.9M
+4.60M (+15.2%) vs. Q2 2023
Total value
$605.8M
+$179.5M (+42.1%) vs. Q2 2023
New holders
19
49 more added
Sold out
11
43 more reduced

1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 134 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 heldQ3 2023: $605.8M
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, Q3 2023

Shares, value and share of portfolio for each institution holding Kiniksa Pharmaceuticals International, plc; share changes are against Q2 2023.

Institutions holding KNSA in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,118,308$54.2M0.00%−42,116−1.3%Reduced
Rubric Capital Management LP3,077,449$53.5M2.25%−300,715−8.9%Reduced
Vanguard Group Inc2,958,957$51.4M0.00%−128,255−4.2%Reduced
Baker Bros. Advisors LP2,809,577$48.8M0.28%00.0%Unchanged
Fairmount Funds Management LLC2,474,561$43.0M5.17%+1,770,102+251.3%Added
State Street Corp1,761,672$30.6M0.00%+109,701+6.6%Added
Pictet Asset Management Holding SA1,604,717$27.9M0.03%+1,604,717New
Morgan Stanley1,491,489$25.9M0.00%+182,746+14.0%Added
Goldman Sachs Group Inc865,782$15.0M0.00%+494,264+133.0%Added
ArrowMark Colorado Holdings LLC760,353$13.2M0.16%−224,843−22.8%Reduced
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)698,741$12.1M0.27%00.0%Unchanged
Geode Capital Management, LLC659,569$11.5M0.00%+46,917+7.7%Added
Rice Hall James & Associates, LLC650,366$11.3M0.72%−9,758−1.5%Reduced
Millennium Management LLC605,574$10.5M0.01%+272,828+82.0%Added
Tang Capital Management LLC600,000$10.4M1.47%00.0%Unchanged
Nuveen Asset Management, LLC563,926$9.80M0.00%+450,181+395.8%Added
Granahan Investment Management Inc534,214$9.28M0.33%−2,215−0.4%Reduced
Parkman Healthcare Partners LLC509,810$8.86M1.62%+218,107+74.8%Added
Driehaus Capital Management LLC503,750$8.75M0.11%+503,750New
GMT Capital Corp477,853$8.30M0.31%+178,609+59.7%Added
Dimensional Fund Advisors LP373,721$6.49M0.00%−1,388−0.4%Reduced
Ameriprise Financial Inc346,867$6.03M0.00%−24,408−6.6%Reduced
AQR Capital Management LLC323,578$5.62M0.01%−187,444−36.7%Reduced
D. E. Shaw & Co., Inc.317,519$5.52M0.01%+78,919+33.1%Added
Hudson Bay Capital Management LP302,500$5.25M0.05%−377,500−55.5%Reduced
Northern Trust Corp296,119$5.14M0.00%+7,842+2.7%Added
Connor, Clark & Lunn Investment Management Ltd.256,932$4.46M0.02%+96,288+59.9%Added
Healthcare of Ontario Pension Plan Trust Fund242,500$4.21M0.02%00.0%Unchanged
Acadian Asset Management LLC226,181$3.92M0.02%+203,933+916.6%Added
Invesco Ltd.212,596$3.69M0.00%+212,596New
Susquehanna International Group, LLP209,420$3.64M0.01%+195,772+1,434.4%Added
Schonfeld Strategic Advisors LLC208,500$3.62M0.03%+134,070+180.1%Added
Charles Schwab Investment Management Inc206,983$3.60M0.00%−12,104−5.5%Reduced
Advisory Research Inc204,098$3.55M0.49%+173,546+568.0%Added
Prudential Financial Inc199,040$3.46M0.01%+46,200+30.2%Added
Essex Investment Management Co LLC185,853$3.23M0.53%−2,445−1.3%Reduced
Barclays PLC175,525$3.05M0.00%+12,867+7.9%Added
Marshall Wace, LLP158,230$2.75M0.01%−167,312−51.4%Reduced
Soleus Capital Management, L.P.157,349$2.73M0.28%−362,291−69.7%Reduced
Bank of New York Mellon Corp146,568$2.55M0.00%+17,790+13.8%Added
Los Angeles Capital Management LLC145,642$2.53M0.01%−14,752−9.2%Reduced
Rafferty Asset Management, LLC139,106$2.42M0.01%+19,731+16.5%Added
Lion Point Capital, LP130,691$2.27M2.08%00.0%Unchanged
EAM Investors, LLC124,438$2.16M0.42%+124,438New
Linden Thomas Advisory Services, LLC115,891$2.01M0.45%+57,942+100.0%Added
Bank of America Corp112,559$1.96M0.00%+20,325+22.0%Added
AlphaCentric Advisors LLC110,000$1.91M1.08%00.0%Unchanged
UBS Oconnor LLC106,423$1.85M0.03%−115,000−51.9%Reduced
Deutsche Bank AG91,726$1.59M0.00%+2,220+2.5%Added
Citadel Advisors LLC82,038$1.43M0.00%−119,796−59.4%Reduced
Massachusetts Financial Services Co78,042$1.36M0.00%−2,990−3.7%Reduced
Qube Research & Technologies Ltd76,937$1.34M0.00%−42,951−35.8%Reduced
Trexquant Investment LP76,823$1.33M0.03%−9,273−10.8%Reduced
Arrowstreet Capital, Limited Partnership72,715$1.26M0.00%+72,715New
Alps Advisors Inc71,103$1.24M0.01%+19,709+38.3%Added
BNP Paribas Arbitrage, SA68,822$1.20M0.00%−10,053−12.7%Reduced
Legato Capital Management LLC66,918$1.16M0.17%−3,143−4.5%Reduced
Ensign Peak Advisors, Inc66,443$1.15M0.00%00.0%Unchanged
Jackson Creek Investment Advisors LLC65,607$1.14M0.48%−47−0.1%Reduced
Dark Forest Capital Management LP65,029$1.13M0.09%+65,029New
Citigroup Inc64,151$1.11M0.00%+15,825+32.7%Added
Gsa Capital Partners LLP63,216$1.10M0.09%+28,468+81.9%Added
Rhumbline Advisers63,133$1.10M0.00%+3,871+6.5%Added
UBS Group AG62,814$1.09M0.00%+18,171+40.7%Added
Allspring Global Investments Holdings, LLC61,532$1.07M0.00%−305,443−83.2%Reduced
Swiss National Bank60,700$1.05M0.00%00.0%Unchanged
Hennion & Walsh Asset Management, Inc.55,047$956.2K0.06%+26,002+89.5%Added
Capula Management Ltd51,340$891.8K0.06%+51,340New
Squarepoint Ops LLC47,499$825.1K0.00%−2,975−5.9%Reduced
Martingale Asset Management L P45,363$788.0K0.02%+20.0%Added
Principal Financial Group Inc44,724$776.9K0.00%+44,724New
Alliancebernstein L.P.41,900$727.8K0.00%00.0%Unchanged
Putnam Investments LLC40,742$707.7K0.00%−351−0.9%Reduced
M&T Bank Corp37,013$642.6K0.00%−20,255−35.4%Reduced
STRS Ohio35,200$611.0K0.00%−2,100−5.6%Reduced
Tejara Capital Ltd35,000$608.0K0.35%+1,069+3.2%Added
Vestcor Inc34,434$598.0K0.02%00.0%Unchanged
Wells Fargo & Company33,972$590.1K0.00%+1,019+3.1%Added
Envestnet Asset Management Inc32,186$559.1K0.00%−19,646−37.9%Reduced
Campbell & CO Investment Adviser LLC31,895$554.0K0.07%−25,379−44.3%Reduced
California State Teachers Retirement System31,646$549.7K0.00%−3,284−9.4%Reduced
Birchview Capital, LP30,000$521.1K0.44%00.0%Unchanged
JPMorgan Chase & Co28,299$491.6K0.00%+2,679+10.5%Added
Franklin Resources Inc26,652$462.9K0.00%−2,452−8.4%Reduced
Credit Suisse AG25,408$441.3K0.00%−5,847−18.7%Reduced
Virginia Retirement Systems Et Al25,200$437.7K0.00%−7,100−22.0%Reduced
State of Wisconsin Investment Board24,795$430.7K0.00%−2,724−9.9%Reduced
Legal & General Group Plc24,124$419.0K0.00%+55+0.2%Added
Profund Advisors LLC23,506$408.3K0.02%+1,700+7.8%Added
Winton Group Ltd22,504$390.9K0.03%+22,504New
American Century Companies Inc20,989$364.6K0.00%+9,784+87.3%Added
Mirae Asset Global Investments Co., Ltd.20,936$363.7K0.00%+431+2.1%Added
Russell Investments Group, Ltd.20,814$362.6K0.00%+20,814New
SEI Investments Co20,819$361.6K0.00%+20,819New
Virtus ETF Advisers LLC18,461$320.7K0.19%−2,390−11.5%Reduced
Mercer Global Advisors Inc17,158$298.0K0.00%−6,066−26.1%Reduced
American International Group, Inc.15,658$272.0K0.00%+557+3.7%Added
QRG Capital Management, Inc.14,331$248.9K0.00%+14,331New
Personal Cfo Solutions, LLC14,238$247.3K0.05%00.0%Unchanged
New York State Common Retirement Fund14,026$243.6K0.00%+98+0.7%Added