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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 2022

Institutional positions in Kiniksa Pharmaceuticals International, plc as of Dec 31, 2022. 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
125
+22 vs. Q3 2022
Shares held
30.1M
+429.4K (+1.4%) vs. Q3 2022
Total value
$450.0M
+$69.5M (+18.3%) vs. Q3 2022
New holders
30
41 more added
Sold out
8
35 more reduced

1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 2022: 125 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 2022: $450.0M
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, Q4 2022

Shares, value and share of portfolio for each institution holding Kiniksa Pharmaceuticals International, plc; share changes are against Q3 2022.

Institutions holding KNSA in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,581,679$53.7M0.00%−46,781−1.3%Reduced
Vanguard Group Inc3,226,891$48.3M0.00%+147,699+4.8%Added
Baker Bros. Advisors LP2,799,577$41.9M0.25%00.0%Unchanged
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)2,623,924$39.3M0.83%−296,099−10.1%Reduced
Rubric Capital Management LP1,569,503$23.5M1.03%+123,396+8.5%Added
State Street Corp1,490,111$22.3M0.00%+878,769+143.7%Added
Pictet Asset Management SA1,234,193$18.5M0.03%−1,803,668−59.4%Reduced
Goldman Sachs Group Inc1,015,908$15.2M0.00%+110,640+12.2%Added
Millennium Management LLC770,650$11.5M0.01%−172,549−18.3%Reduced
ArrowMark Colorado Holdings LLC717,171$10.7M0.13%−210,923−22.7%Reduced
Rice Hall James & Associates, LLC697,162$10.4M0.60%−52,771−7.0%Reduced
Morgan Stanley605,544$9.07M0.00%+110,359+22.3%Added
Hudson Bay Capital Management LP600,000$8.99M0.10%−600,000−50.0%Reduced
Tang Capital Management LLC600,000$8.99M1.31%00.0%Unchanged
Geode Capital Management, LLC544,337$8.15M0.00%+20,864+4.0%Added
Granahan Investment Management Inc504,193$7.55M0.23%−48,157−8.7%Reduced
Dimensional Fund Advisors LP392,791$5.88M0.00%−675−0.2%Reduced
Ameriprise Financial Inc356,616$5.34M0.00%−17,374−4.6%Reduced
Jacobs Levy Equity Management, Inc323,737$4.85M0.03%+6,291+2.0%Added
Sphera Funds Management Ltd.307,283$4.60M1.45%+307,283New
Northern Trust Corp286,675$4.29M0.00%+15,241+5.6%Added
Wellington Management Group LLP248,963$3.73M0.00%−18,803−7.0%Reduced
Lion Point Capital, LP346,500$3.69M2.20%−133,500−27.8%Reduced
Hillsdale Investment Management Inc.244,017$3.66M0.31%+244,017New
D. E. Shaw & Co., Inc.237,445$3.56M0.01%+125,274+111.7%Added
FMR LLC230,993$3.46M0.00%−15,371−6.2%Reduced
Citadel Advisors LLC217,100$3.25M0.00%+15,872+7.9%Added
Allspring Global Investments Holdings, LLC215,119$3.22M0.01%+193,404+890.6%Added
Invesco Ltd.213,558$3.20M0.00%+199,703+1,441.4%Added
Charles Schwab Investment Management Inc205,557$3.08M0.00%+1,057+0.5%Added
Healthcare of Ontario Pension Plan Trust Fund197,800$2.96M0.01%+197,800New
Parkman Healthcare Partners LLC191,307$2.87M0.76%+65,115+51.6%Added
Bank of America Corp154,446$2.31M0.00%+128,298+490.7%Added
Nuveen Asset Management, LLC154,318$2.31M0.00%+50,931+49.3%Added
Marshall Wace, LLP147,939$2.22M0.01%+147,939New
AQR Capital Management LLC145,015$2.17M0.00%+145,015New
Bank of New York Mellon Corp127,347$1.91M0.00%+1,819+1.4%Added
Los Angeles Capital Management LLC117,706$1.76M0.01%−5,284−4.3%Reduced
EAM Global Investors LLC116,864$1.75M0.45%+116,864New
Cubist Systematic Strategies, LLC110,620$1.66M0.01%+58,469+112.1%Added
Rafferty Asset Management, LLC91,312$1.37M0.01%+91,312New
Prudential Financial Inc88,490$1.33M0.00%+53,200+150.8%Added
Hennion & Walsh Asset Management, Inc.79,419$1.19M0.07%+10,041+14.5%Added
EAM Investors, LLC79,046$1.18M0.25%+79,046New
Deutsche Bank AG75,259$1.13M0.00%−1,053−1.4%Reduced
Swiss National Bank74,900$1.12M0.00%+2,600+3.6%Added
Renaissance Technologies LLC66,700$999.0K0.00%−55,100−45.2%Reduced
Ensign Peak Advisors, Inc66,443$995.3K0.00%−11,310−14.5%Reduced
Caxton Associates LP66,055$989.5K0.07%+66,055New
Victory Capital Management Inc65,900$987.2K0.00%+14,860+29.1%Added
Campbell & CO Investment Adviser LLC65,530$981.6K0.23%+11,686+21.7%Added
Trexquant Investment LP65,382$979.4K0.03%+8,572+15.1%Added
Jackson Creek Investment Advisors LLC61,609$923.0K0.41%+61,609New
Barclays PLC60,007$898.9K0.00%+37,666+168.6%Added
Lombard Odier Asset Management (Switzerland) SA58,832$881.3K0.07%+58,832New
UBS Group AG57,105$855.4K0.00%+57,105New
Schonfeld Strategic Advisors LLC50,000$749.0K0.01%+50,000New
Walleye Capital LLC48,217$722.3K0.02%−175,018−78.4%Reduced
AlphaCentric Advisors LLC45,000$674.1K0.67%+2,000+4.7%Added
Rhumbline Advisers44,410$665.0K0.00%+1,427+3.3%Added
Susquehanna International Group, LLP44,302$663.6K0.00%+44,302New
Martingale Asset Management L P43,152$646.4K0.01%+110.0%Added
Citigroup Inc43,108$645.8K0.00%+41,230+2,195.4%Added
Alliancebernstein L.P.41,900$627.7K0.00%00.0%Unchanged
HRT Financial LP39,751$595.0K0.01%+39,751New
California State Teachers Retirement System39,381$589.9K0.00%+541+1.4%Added
STRS Ohio38,100$570.0K0.00%+38,100New
BNP Paribas Arbitrage, SA34,999$524.3K0.00%+24,207+224.3%Added
Waldron Private Wealth LLC37,696$484.0K0.03%00.0%Unchanged
Advisory Research Inc31,874$477.5K0.04%+31,874New
Public Employees Retirement System of Ohio31,299$469.0K0.00%−7,104−18.5%Reduced
State of Wisconsin Investment Board30,170$451.9K0.00%+3,319+12.4%Added
UBS Asset Management Americas Inc30,008$449.5K0.00%00.0%Unchanged
Birchview Capital, LP30,000$449.0K0.32%00.0%Unchanged
M&T Bank Corp29,664$444.2K0.00%−8,776−22.8%Reduced
PDT Partners, LLC28,308$424.1K0.07%−6,439−18.5%Reduced
Putnam Investments LLC23,947$358.7K0.00%+23,947New
Russell Investments Group, Ltd.23,614$353.7K0.00%+3,253+16.0%Added
Connor, Clark & Lunn Investment Management Ltd.22,359$334.9K0.00%+22,359New
Credit Suisse AG22,263$333.5K0.00%−2,946−11.7%Reduced
New York State Common Retirement Fund21,874$327.7K0.00%−100.0%Reduced
Voya Investment Management LLC21,441$321.2K0.00%−2,609−10.8%Reduced
JPMorgan Chase & Co19,825$297.0K0.00%+537+2.8%Added
Virtus ETF Advisers LLC19,345$289.8K0.15%−9,062−31.9%Reduced
MetLife Investment Management17,349$259.9K0.00%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.16,508$247.3K0.00%+3,532+27.2%Added
American International Group, Inc.14,736$220.7K0.00%−54−0.4%Reduced
Personal Cfo Solutions, LLC14,238$213.3K0.05%00.0%Unchanged
State Board of Administration of Florida Retirement System13,467$201.7K0.00%−1,630−10.8%Reduced
Y-Intercept (Hong Kong) Ltd12,920$193.5K0.03%+12,920New
Acadian Asset Management LLC13,014$193.0K0.00%+13,014New
Manufacturers Life Insurance Company, The12,412$185.9K0.00%−1,152−8.5%Reduced
Squarepoint Ops LLC12,163$182.2K0.00%+12,163New
Thrivent Financial for Lutherans11,867$178.0K0.00%00.0%Unchanged
Legal & General Group Plc11,712$175.4K0.00%+850+7.8%Added
State of Wyoming7,160$107.3K0.04%+2,087+41.1%Added
Zurcher Kantonalbank (Zurich Cantonalbank)5,979$89.6K0.00%−2,570−30.1%Reduced
Kapitalo Investimentos Ltda5,800$86.9K0.07%+5,800New
Rockefeller Capital Management L.P.5,750$86.0K0.00%00.0%Unchanged
Quantbot Technologies LP5,604$83.9K0.01%+5,604New