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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 2025

Institutional positions in Kiniksa Pharmaceuticals International, plc as of Dec 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
224
+24 vs. Q3 2025
Shares held
43.0M
+2.55M (+6.3%) vs. Q3 2025
Total value
$1.77B
+$202.9M (+12.9%) vs. Q3 2025
New holders
42
79 more added
Sold out
18
70 more reduced

4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: 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 2025: 224 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 2025: $1.77B
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 2025

Shares, value and share of portfolio for each institution holding Kiniksa Pharmaceuticals International, plc; share changes are against Q3 2025.

Institutions holding KNSA in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Avion Wealth24$00.00%−19−44.2%Reduced
Covestor Ltd4$00.00%00.0%Unchanged
Clearstead Advisors, LLC2$830.00%−792−99.7%Reduced
SRS Capital Advisors, Inc.3$1240.00%−4,006−99.9%Reduced
Harbour Investments, Inc.3$1240.00%00.0%Unchanged
Assetmark, Inc5$2060.00%00.0%Unchanged
MAI Capital Management5$2070.00%+5New
Root Financial Partners, LLC8$3300.00%00.0%Unchanged
SJS Investment Consulting Inc.13$5370.00%−24−64.9%Reduced
Optima Capital LLC18$7430.00%+18New
UMA Financial Services, Inc.31$1.28K0.00%00.0%Unchanged
Cornerstone Financial Management LLC32$1.32K0.00%+32New
Stone House Investment Management, LLC41$1.69K0.00%+19+86.4%Added
Sunbelt Securities, Inc.42$1.73K0.00%00.0%Unchanged
Kilter Group LLC61$2.52K0.00%00.0%Unchanged
Royal Bank of Canada87$3.00K0.00%−374−81.1%Reduced
Basecamp Wealth Advisors LLC79$3.26K0.00%+79New
IFP Advisors, Inc82$3.38K0.00%+7+9.3%Added
SBI Securities Co., Ltd.100$4.13K0.00%00.0%Unchanged
Global Retirement Partners, LLC103$4.25K0.00%+103New
Nisa Investment Advisors, LLC105$4.33K0.00%00.0%Unchanged
Allworth Financial LP129$5.32K0.00%+23+21.7%Added
Daiwa Securities Group Inc.139$6.00K0.00%00.0%Unchanged
Aster Capital Management (DIFC) Ltd155$6.39K0.00%+155New
Rothschild Investment LLC160$6.60K0.00%+10+6.7%Added
Versant Capital Management, Inc166$6.85K0.00%00.0%Unchanged
Group One Trading, L.P.200$8.25K0.00%+200New
Fortitude Family Office, LLC249$10.3K0.00%00.0%Unchanged
Quarry LP270$11.1K0.00%−856−76.0%Reduced
Jones Financial Companies LLLP277$11.4K0.00%+277New
Caitong International Asset Management Co., Ltd331$13.7K0.00%−282−46.0%Reduced
Tower Research Capital LLC (TRC)379$15.6K0.00%+325+601.9%Added
Larson Financial Group LLC412$17.0K0.00%+75+22.3%Added
Federation des caisses Desjardins du Quebec500$20.6K0.00%00.0%Unchanged
Parallel Advisors, LLC535$22.1K0.00%−1−0.2%Reduced
EverSource Wealth Advisors, LLC546$22.5K0.00%−41−7.0%Reduced
Truvestments Capital LLC627$25.9K0.00%00.0%Unchanged
USA Financial Portformulas Corp657$27.1K0.00%−159−19.5%Reduced
True Wealth Design, LLC687$28.3K0.01%00.0%Unchanged
Smartleaf Asset Management LLC889$36.4K0.00%+889New
GF Fund Management Co. Ltd.887$36.6K0.00%−48−5.1%Reduced
Signaturefd, LLC947$39.1K0.00%00.0%Unchanged
Nano Cap New Millennium Growth Fund L P1,000$41.3K0.04%+1,000New
CIBC Private Wealth Group, LLC1,000$41.3K0.00%+1,000New
GAMMA Investing LLC1,068$44.1K0.00%−58−5.2%Reduced
US Bancorp1,380$56.9K0.00%00.0%Unchanged
Farther Finance Advisors, LLC1,554$64.1K0.00%+196+14.4%Added
Advisor Group Holdings, Inc.1,569$64.7K0.00%+31+2.0%Added
Citigroup Inc1,693$69.8K0.00%−8,071−82.7%Reduced
The PNC Financial Services Group, Inc.1,922$79.3K0.00%+21+1.1%Added
Essential Partners LLC1,926$79.4K0.02%+3+0.2%Added
Aquatic Capital Management LLC1,939$80.0K0.00%+1,939New
State of Alaska, Department of Revenue2,268$93.0K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC2,266$93.5K0.00%00.0%Unchanged
Oregon Public Employees Retirement Fund2,324$95.9K0.00%00.0%Unchanged
Russell Investments Group, Ltd.3,194$131.0K0.00%−45,988−93.5%Reduced
Asset Management One Co.,Ltd.4,282$175.5K0.00%−3,941−47.9%Reduced
Barclays PLC4,577$188.8K0.00%−2,776−37.8%Reduced
Swiss Life Asset Management Ltd4,894$201.9K0.00%+4,894New
Franklin Resources Inc4,943$203.9K0.00%+4,943New
Teacher Retirement System of Texas5,153$212.6K0.00%−3,193−38.3%Reduced
MML Investors Services, LLC5,260$217.0K0.00%+44+0.8%Added
Financiere des Professionnels - Fonds d,investissement inc.5,376$221.8K0.01%+5,376New
Sanctuary Advisors, LLC5,391$222.4K0.00%+5,391New
Vestcor Inc5,623$232.0K0.01%00.0%Unchanged
Holocene Advisors, LP5,715$235.7K0.00%+5,715New
Voya Investment Management LLC5,790$238.8K0.00%−2,075−26.4%Reduced
Marshall Wace, LLP5,800$239.3K0.00%−55,516−90.5%Reduced
Campbell & CO Investment Adviser LLC5,869$242.1K0.01%−32,248−84.6%Reduced
Two Sigma Securities, LLC6,136$253.1K0.03%+6,136New
Virtu Financial LLC6,466$267.0K0.01%+6,466New
Quantedge Capital Pte Ltd6,545$270.0K0.13%−8,500−56.5%Reduced
Roman Butler Fullerton & Co6,388$271.1K0.07%+1,000+18.6%Added
Gotham Asset Management, LLC6,662$274.8K0.00%+317+5.0%Added
Savant Capital, LLC6,876$283.6K0.00%+1,129+19.6%Added
James Investment Research Inc7,027$289.9K0.03%00.0%Unchanged
Round Rock Advisors, LLC7,055$291.0K0.04%+1,899+36.8%Added
XTX Topco Ltd7,062$291.3K0.01%+7,062New
Prelude Capital Management, LLC7,070$291.6K0.02%+7,070New
Sheets Smith Wealth Management7,162$295.4K0.03%00.0%Unchanged
Rhumbline Advisers7,286$300.5K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.7,359$303.6K0.02%−261−3.4%Reduced
KLP Kapitalforvaltning AS7,500$309.4K0.00%+900+13.6%Added
Mercer Global Advisors Inc7,684$317.0K0.00%+508+7.1%Added
ExodusPoint Capital Management, LP7,958$328.3K0.00%−51,918−86.7%Reduced
Juncture Wealth Strategies, LLC8,146$336.0K0.11%+1,282+18.7%Added
Pallas Capital Advisors LLC8,570$353.5K0.01%+30+0.4%Added
HighTower Advisors, LLC8,724$359.9K0.00%+8,724New
First Trust Advisors LP9,583$395.3K0.00%+1,518+18.8%Added
Arizona State Retirement System9,709$400.5K0.00%−307−3.1%Reduced
Twinbeech Capital LP10,828$446.7K0.03%+10,828New
Tudor Investment Corp Et Al11,249$464.0K0.00%−6,642−37.1%Reduced
TD Waterhouse Canada Inc.11,447$471.0K0.00%+9,407+461.1%Added
Creative Planning11,482$473.6K0.00%−1,275−10.0%Reduced
State of New Jersey Common Pension Fund D11,871$489.7K0.00%+11,871New
Skopos Labs, Inc.11,968$490.6K0.02%+11,968New
National Asset Management, Inc.11,993$494.7K0.02%+11,993New
PSP Research LLC12,655$522.0K0.46%+12,655New
BIT Capital GmbH12,800$528.0K0.02%+12,800New
Graham Capital Management, L.P.12,960$534.6K0.02%+6,366+96.5%Added