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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 2021

Institutional positions in Kiniksa Pharmaceuticals International, plc as of Dec 31, 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
103
+2 vs. Q3 2021
Shares held
29.4M
+293.2K (+1.0%) vs. Q3 2021
Total value
$346.4M
+$14.4M (+4.3%) vs. Q3 2021
New holders
22
41 more added
Sold out
20
27 more reduced

Compare with Q3 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 holdersQ4 2021: 103 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 2021: $346.4M
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, Q4 2021

Shares, value and share of portfolio for each institution holding Kiniksa Pharmaceuticals International, plc; share changes are against Q3 2021.

Institutions holding KNSA in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Pictet Asset Management SA3,548,649$41.8M0.04%+213,744+6.4%Added
BlackRock Inc.3,483,852$41.0M0.00%+363,530+11.7%Added
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)2,920,023$34.4M0.53%00.0%Unchanged
Vanguard Group Inc2,890,708$34.0M0.00%+228,082+8.6%Added
Baker Bros. Advisors LP2,799,577$33.0M0.16%00.0%Unchanged
State Street Corp1,465,171$17.2M0.00%−568,911−28.0%Reduced
ArrowMark Colorado Holdings LLC1,273,049$15.0M0.12%+38,399+3.1%Added
Hudson Bay Capital Management LP1,050,000$12.4M0.14%−100,000−8.7%Reduced
Opaleye Management Inc.1,025,000$12.1M2.56%−285,000−21.8%Reduced
Rice Hall James & Associates, LLC712,807$8.39M0.30%−24,567−3.3%Reduced
Granahan Investment Management Inc599,522$7.06M0.15%+193,688+47.7%Added
Goldman Sachs Group Inc579,217$6.82M0.00%+89,644+18.3%Added
Great Point Partners LLC536,738$6.32M1.41%+56,738+11.8%Added
Geode Capital Management, LLC533,217$6.28M0.00%+56,822+11.9%Added
Millennium Management LLC527,803$6.21M0.01%+300,288+132.0%Added
Point72 Asset Management, L.P.398,352$4.69M0.02%+23,252+6.2%Added
Morgan Stanley356,764$4.20M0.00%+101,444+39.7%Added
Renaissance Technologies LLC303,300$3.57M0.00%+303,300New
Wellington Management Group LLP300,641$3.54M0.00%−102,559−25.4%Reduced
Northern Trust Corp280,632$3.30M0.00%+6,074+2.2%Added
Endurant Capital Management LP244,125$2.87M0.78%+244,125New
Alyeska Investment Group, L.P.238,412$2.81M0.03%−25,000−9.5%Reduced
Spearhead Capital Advisors, LLC235,024$2.77M0.33%00.0%Unchanged
FMR LLC182,140$2.14M0.00%−123,400−40.4%Reduced
Dimensional Fund Advisors LP159,318$1.88M0.00%+25,031+18.6%Added
Parametric Portfolio Associates LLC149,755$1.76M0.00%+79,609+113.5%Added
Integral Health Asset Management, LLC140,000$1.65M0.46%+140,000New
Bank of New York Mellon Corp133,906$1.58M0.00%−1,091−0.8%Reduced
Bank of America Corp131,582$1.55M0.00%+91,030+224.5%Added
Susquehanna International Group, LLP117,541$1.38M0.00%−9,650−7.6%Reduced
Parkman Healthcare Partners LLC113,644$1.34M0.30%+113,644New
Nuveen Asset Management, LLC107,309$1.26M0.00%+4,493+4.4%Added
Rafferty Asset Management, LLC88,024$1.04M0.01%+1,819+2.1%Added
Walleye Capital LLC83,364$981.0K0.03%+83,364New
Deutsche Bank AG80,367$946.0K0.00%+1,255+1.6%Added
Jackson Creek Investment Advisors LLC77,069$907.0K0.32%+77,069New
UBS Group AG76,475$900.0K0.00%−6,262−7.6%Reduced
Charles Schwab Investment Management Inc76,456$900.0K0.00%+2,286+3.1%Added
Citigroup Inc73,826$869.0K0.00%+14,656+24.8%Added
Hennion & Walsh Asset Management, Inc.69,927$823.0K0.04%+4,368+6.7%Added
Marshall Wace, LLP69,723$821.0K0.00%+69,723New
Citadel Advisors LLC67,785$798.0K0.00%+42,150+164.4%Added
Los Angeles Capital Management LLC59,970$706.0K0.00%+27,886+86.9%Added
BNP Paribas Arbitrage, SA56,908$669.8K0.00%+51,275+910.3%Added
Barclays PLC55,534$653.0K0.00%−21,026−27.5%Reduced
Lion Point Capital, LP55,000$647.0K0.21%−440,748−88.9%Reduced
Cubist Systematic Strategies, LLC53,960$635.0K0.01%+13,554+33.5%Added
Ensign Peak Advisors, Inc52,740$621.0K0.00%−21,073−28.5%Reduced
Swiss National Bank52,800$621.0K0.00%00.0%Unchanged
Pinz Capital Management, LP40,000$471.0K0.18%+40,000New
California State Teachers Retirement System36,395$428.0K0.00%+989+2.8%Added
Martingale Asset Management L P35,614$420.0K0.01%−200−0.6%Reduced
UBS Asset Management Americas Inc35,490$417.7K0.00%00.0%Unchanged
Rhumbline Advisers34,657$408.0K0.00%−812−2.3%Reduced
New York State Common Retirement Fund34,277$403.0K0.00%+15,143+79.1%Added
Virtus ETF Advisers LLC30,021$353.0K0.13%+120.0%Added
Birchview Capital, LP30,000$353.0K0.23%00.0%Unchanged
Alliancebernstein L.P.29,900$352.0K0.00%+1,000+3.5%Added
Bailard, Inc.25,900$305.0K0.01%+25,900New
Vigilare Wealth Management25,670$302.0K0.18%+2,170+9.2%Added
Engineers Gate Manager LP24,336$286.0K0.01%+24,336New
Allspring Global Investments Holdings, LLC22,126$260.0K0.00%+22,126New
M&T Bank Corp21,684$255.0K0.00%+1,183+5.8%Added
Credit Suisse AG19,299$226.0K0.00%+3,542+22.5%Added
ExodusPoint Capital Management, LP19,157$225.0K0.00%−20,830−52.1%Reduced
Personal Cfo Solutions, LLC17,238$203.0K0.04%−5,000−22.5%Reduced
Manufacturers Life Insurance Company, The16,931$199.0K0.00%−794−4.5%Reduced
Gsa Capital Partners LLP16,157$190.0K0.02%+16,157New
American International Group, Inc.15,499$182.0K0.00%−463−2.9%Reduced
State Board of Administration of Florida Retirement System15,087$178.0K0.00%+709+4.9%Added
JPMorgan Chase & Co14,394$169.0K0.00%+1,227+9.3%Added
Wells Fargo & Company14,123$166.0K0.00%−4,802−25.4%Reduced
D. E. Shaw & Co., Inc.12,317$145.0K0.00%+12,317New
Voya Investment Management LLC11,928$140.0K0.00%+100+0.8%Added
Northeast Financial Consultants Inc11,440$135.0K0.01%00.0%Unchanged
Invesco Ltd.11,240$133.0K0.00%−1,496−11.7%Reduced
ProShare Advisors LLC11,143$131.0K0.00%+433+4.0%Added
MetLife Investment Management11,087$130.5K0.00%00.0%Unchanged
Russell Investments Group, Ltd.10,740$126.0K0.00%−3,699−25.6%Reduced
Exane Derivatives10,307$121.3K0.03%−466−4.3%Reduced
Group One Trading, L.P.9,610$113.0K0.00%−17,759−64.9%Reduced
Legal & General Group Plc8,552$101.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)7,984$94.0K0.00%+3,510+78.5%Added
Nisa Investment Advisors, LLC7,622$86.0K0.00%+7,622New
Zurcher Kantonalbank (Zurich Cantonalbank)7,164$84.0K0.00%+5,327+290.0%Added
Royal Bank of Canada6,623$78.0K0.00%+3,673+124.5%Added
Rockefeller Capital Management L.P.5,750$67.0K0.00%+5,000+666.7%Added
Quantbot Technologies LP4,800$56.0K0.00%+4,800New
Metropolitan Life Insurance Co4,753$55.9K0.00%+180+3.9%Added
Macquarie Group Ltd4,353$51.0K0.00%00.0%Unchanged
Lazard Asset Management LLC3,759$44.0K0.00%+3,759New
Simplex Trading, LLC3,052$35.0K0.00%−19,141−86.2%Reduced
Ameritas Investment Partners, Inc.2,278$27.0K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC2,000$24.0K0.00%00.0%Unchanged
Point72 Hong Kong Ltd1,689$20.0K0.00%−124−6.8%Reduced
Caption Management, LLC1,265$14.0K0.00%−16,235−92.8%Reduced
Adirondack Trust Co430$5.00K0.00%+430New
Cornerstone Advisory, LLC200$2.00K0.00%+200New
State of Wyoming151$2.00K0.00%+151New
Daiwa Securities Group Inc.60$1.00K0.00%00.0%Unchanged