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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 2021

Institutional positions in Kiniksa Pharmaceuticals International, plc as of Sep 30, 2021. 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
101
+1 vs. Q2 2021
Shares held
29.1M
+3.62M (+14.2%) vs. Q2 2021
Total value
$332.0M
−$23.5M (−6.6%) vs. Q2 2021
New holders
20
37 more added
Sold out
19
26 more reduced

2 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 2021: 101 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 2021: $332.0M
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 2021

Shares, value and share of portfolio for each institution holding Kiniksa Pharmaceuticals International, plc; share changes are against Q2 2021.

Institutions holding KNSA in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Pictet Asset Management SA3,334,905$38.0M0.04%+3,334,905New
BlackRock Inc.3,120,322$35.5M0.00%+621,032+24.8%Added
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)2,920,023$33.3M0.43%00.0%Unchanged
Baker Bros. Advisors LP2,799,577$31.9M0.14%00.0%Unchanged
Vanguard Group Inc2,662,626$30.3M0.00%−1,697−0.1%Reduced
State Street Corp2,034,082$23.2M0.00%−260,622−11.4%Reduced
Opaleye Management Inc.1,310,000$14.9M2.79%+154,800+13.4%Added
ArrowMark Colorado Holdings LLC1,234,650$14.1M0.11%+374,776+43.6%Added
Hudson Bay Capital Management LP1,150,000$13.1M0.18%+350,000+43.8%Added
Rice Hall James & Associates, LLC737,374$8.40M0.31%+3,008+0.4%Added
Lion Point Capital, LP495,748$5.65M1.50%00.0%Unchanged
Goldman Sachs Group Inc489,573$5.58M0.00%+65,877+15.5%Added
Great Point Partners LLC480,000$5.47M1.29%+480,000New
Geode Capital Management, LLC476,395$5.43M0.00%+17,536+3.8%Added
Granahan Investment Management Inc405,834$4.62M0.09%+405,834New
Wellington Management Group LLP403,200$4.59M0.00%00.0%Unchanged
Point72 Asset Management, L.P.375,100$4.27M0.02%+375,100New
FMR LLC305,540$3.48M0.00%00.0%Unchanged
Boxer Capital, LLC290,577$3.31M0.12%00.0%Unchanged
Northern Trust Corp274,558$3.13M0.00%−11,640−4.1%Reduced
Alyeska Investment Group, L.P.263,412$3.00M0.04%+13,795+5.5%Added
Morgan Stanley255,320$2.91M0.00%−128,614−33.5%Reduced
Spearhead Capital Advisors, LLC235,024$2.68M0.36%00.0%Unchanged
Woodline Partners LP234,357$2.67M0.04%+234,357New
Millennium Management LLC227,515$2.59M0.00%−220,695−49.2%Reduced
Rubric Capital Management LP153,618$1.75M0.10%+153,618New
M&G Investment Management Ltd142,527$1.57M0.01%+142,527New
Bank of New York Mellon Corp134,997$1.54M0.00%+3,638+2.8%Added
Dimensional Fund Advisors LP134,287$1.53M0.00%−193,927−59.1%Reduced
Susquehanna International Group, LLP127,191$1.45M0.00%+32,178+33.9%Added
Nuveen Asset Management, LLC102,816$1.25M0.00%−670−0.6%Reduced
Rafferty Asset Management, LLC86,205$982.0K0.01%−16,876−16.4%Reduced
Alps Advisors Inc83,983$957.0K0.01%+41,412+97.3%Added
UBS Group AG82,737$942.0K0.00%+62,718+313.3%Added
Deutsche Bank AG79,112$901.0K0.00%−543−0.7%Reduced
Barclays PLC76,560$872.0K0.00%+56,731+286.1%Added
Charles Schwab Investment Management Inc74,170$845.0K0.00%+3,874+5.5%Added
Ensign Peak Advisors, Inc73,813$841.0K0.00%+20,688+38.9%Added
Parametric Portfolio Associates LLC70,146$799.0K0.00%+4,558+6.9%Added
Hennion & Walsh Asset Management, Inc.65,559$747.0K0.04%+22,443+52.1%Added
Ikarian Capital, LLC59,422$677.0K0.16%+59,422New
Citigroup Inc59,170$674.0K0.00%−99,785−62.8%Reduced
Raymond James & Associates54,794$624.0K0.00%−4,424−7.5%Reduced
Swiss National Bank52,800$601.0K0.00%00.0%Unchanged
Bank of America Corp40,552$462.0K0.00%+6,532+19.2%Added
Cubist Systematic Strategies, LLC40,406$460.0K0.01%+24,313+151.1%Added
ExodusPoint Capital Management, LP39,987$455.0K0.01%+39,987New
Martingale Asset Management L P35,814$409.0K0.01%+21,002+141.8%Added
UBS Asset Management Americas Inc35,490$404.2K0.00%+35,490New
Rhumbline Advisers35,469$404.0K0.00%−968−2.7%Reduced
California State Teachers Retirement System35,406$403.0K0.00%−4,826−12.0%Reduced
Qube Research & Technologies Ltd32,141$366.0K0.00%+32,141New
Los Angeles Capital Management LLC32,084$365.0K0.00%−13,692−29.9%Reduced
Virtus ETF Advisers LLC30,009$342.0K0.15%−2,753−8.4%Reduced
Birchview Capital, LP30,000$342.0K0.23%+10,000+50.0%Added
Alliancebernstein L.P.28,900$329.0K0.00%−3,700−11.3%Reduced
Simplex Trading, LLC22,193$321.0K0.01%+100+0.5%Added
Group One Trading, L.P.27,369$312.0K0.01%+12,947+89.8%Added
Citadel Advisors LLC25,635$292.0K0.00%−95,849−78.9%Reduced
Vigilare Wealth Management23,500$268.0K0.17%+4,700+25.0%Added
Personal Cfo Solutions, LLC22,238$253.0K0.05%−4,300−16.2%Reduced
M&T Bank Corp20,501$234.0K0.00%+9,611+88.3%Added
New York State Common Retirement Fund19,134$218.0K0.00%−5,388−22.0%Reduced
Wells Fargo & Company18,925$216.0K0.00%−13,711−42.0%Reduced
HRT Financial LP18,869$214.0K0.00%+18,869New
SG Americas Securities, LLC18,551$211.0K0.00%+18,551New
Jane Street Group, LLC17,921$204.0K0.00%+17,921New
Manufacturers Life Insurance Company, The17,725$202.0K0.00%−898−4.8%Reduced
Caption Management, LLC17,500$199.0K0.01%+5,500+45.8%Added
American International Group, Inc.15,962$182.0K0.00%−379−2.3%Reduced
Credit Suisse AG15,757$178.0K0.00%+752+5.0%Added
Man Group plc15,400$175.0K0.00%+15,400New
State Board of Administration of Florida Retirement System14,378$164.0K0.00%00.0%Unchanged
Russell Investments Group, Ltd.14,439$163.0K0.00%−250−1.7%Reduced
JPMorgan Chase & Co13,167$149.0K0.00%+411+3.2%Added
Invesco Ltd.12,736$145.0K0.00%+1,751+15.9%Added
Voya Investment Management LLC11,828$135.0K0.00%00.0%Unchanged
Northeast Financial Consultants Inc11,440$130.0K0.01%+11,440New
MetLife Investment Management11,087$126.3K0.00%00.0%Unchanged
Exane Derivatives10,773$122.7K0.03%+1,268+13.3%Added
ProShare Advisors LLC10,710$122.0K0.00%−2,664−19.9%Reduced
HSBC Holdings PLC10,040$115.0K0.00%+10,040New
DekaBank Deutsche Girozentrale10,000$114.0K0.00%00.0%Unchanged
Legal & General Group Plc8,552$97.0K0.00%+4,732+123.9%Added
BNP Paribas Arbitrage, SA5,633$64.2K0.00%+4,559+424.5%Added
Federated Hermes, Inc.5,292$60.0K0.00%+4,939+1,399.2%Added
Metropolitan Life Insurance Co4,573$52.1K0.00%+4,573New
Tower Research Capital LLC (TRC)4,474$50.0K0.00%−1,027−18.7%Reduced
Macquarie Group Ltd4,353$50.0K0.00%+4,020+1,207.2%Added
Royal Bank of Canada2,950$34.0K0.00%+704+31.3%Added
Ameritas Investment Partners, Inc.2,278$26.0K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC2,000$23.0K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)1,837$21.0K0.00%00.0%Unchanged
Point72 Hong Kong Ltd1,813$21.0K0.00%+1,813New
Cutler Group LP1,500$17.0K0.00%−500−25.0%Reduced
Penserra Capital Management LLC745$8.00K0.00%+10+1.4%Added
Rockefeller Capital Management L.P.750$8.00K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.269$3.00K0.00%+20+8.0%Added
Daiwa Securities Group Inc.60$1.00K0.00%00.0%Unchanged
Signaturefd, LLC66$1.00K0.00%+66New