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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, Q1 2023

Institutional positions in Kiniksa Pharmaceuticals International, plc as of Mar 31, 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
132
+7 vs. Q4 2022
Shares held
31.8M
+1.67M (+5.5%) vs. Q4 2022
Total value
$339.6M
−$110.4M (−24.5%) vs. Q4 2022
New holders
23
56 more added
Sold out
16
33 more reduced

Compare with Q4 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 holdersQ1 2023: 132 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 heldQ1 2023: $339.6M
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, Q1 2023

Shares, value and share of portfolio for each institution holding Kiniksa Pharmaceuticals International, plc; share changes are against Q4 2022.

Institutions holding KNSA in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,386,160$36.4M0.00%−195,519−5.5%Reduced
Vanguard Group Inc3,260,623$35.1M0.00%+33,732+1.0%Added
Baker Bros. Advisors LP2,799,577$30.1M0.16%00.0%Unchanged
Rubric Capital Management LP2,775,636$29.9M1.19%+1,206,133+76.8%Added
State Street Corp1,797,444$19.3M0.00%+307,333+20.6%Added
Pictet Asset Management SA1,443,027$15.5M0.02%+208,834+16.9%Added
Morgan Stanley1,325,822$14.3M0.00%+720,278+118.9%Added
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)1,018,091$11.0M0.19%−1,605,833−61.2%Reduced
ArrowMark Colorado Holdings LLC886,870$9.54M0.11%+169,699+23.7%Added
Hudson Bay Capital Management LP860,200$9.26M0.10%+260,200+43.4%Added
Marshall Wace, LLP806,825$8.68M0.02%+658,886+445.4%Added
Rice Hall James & Associates, LLC655,656$7.05M0.40%−41,506−6.0%Reduced
Millennium Management LLC626,198$6.74M0.01%−144,452−18.7%Reduced
Tang Capital Management LLC600,000$6.46M0.96%00.0%Unchanged
Granahan Investment Management Inc574,940$6.19M0.19%+70,747+14.0%Added
Geode Capital Management, LLC569,329$6.13M0.00%+24,992+4.6%Added
Sphera Funds Management Ltd.450,283$4.85M1.05%+143,000+46.5%Added
Goldman Sachs Group Inc421,933$4.54M0.00%−593,975−58.5%Reduced
AQR Capital Management LLC407,762$4.39M0.01%+262,747+181.2%Added
Dimensional Fund Advisors LP377,258$4.06M0.00%−15,533−4.0%Reduced
Ameriprise Financial Inc371,512$4.00M0.00%+14,896+4.2%Added
Jacobs Levy Equity Management, Inc293,500$3.16M0.02%−30,237−9.3%Reduced
Northern Trust Corp292,120$3.14M0.00%+5,445+1.9%Added
Parkman Healthcare Partners LLC250,257$2.69M0.59%+58,950+30.8%Added
Wellington Management Group LLP243,151$2.62M0.00%−5,812−2.3%Reduced
D. E. Shaw & Co., Inc.239,788$2.58M0.00%+2,343+1.0%Added
Charles Schwab Investment Management Inc217,887$2.34M0.00%+12,330+6.0%Added
UBS Oconnor LLC216,210$2.33M0.06%+216,210New
Bank of America Corp189,019$2.03M0.00%+34,573+22.4%Added
Healthcare of Ontario Pension Plan Trust Fund185,500$2.00M0.01%−12,300−6.2%Reduced
Barclays PLC162,179$1.75M0.00%+102,172+170.3%Added
Allspring Global Investments Holdings, LLC147,673$1.59M0.00%−67,446−31.4%Reduced
Renaissance Technologies LLC138,180$1.49M0.00%+71,480+107.2%Added
Citigroup Inc133,361$1.43M0.00%+90,253+209.4%Added
Rafferty Asset Management, LLC129,288$1.39M0.01%+37,976+41.6%Added
Citadel Advisors LLC128,812$1.39M0.00%−88,288−40.7%Reduced
Bank of New York Mellon Corp127,950$1.38M0.00%+603+0.5%Added
Qube Research & Technologies Ltd126,690$1.36M0.01%+126,690New
BNP Paribas Arbitrage, SA126,546$1.36M0.00%+91,547+261.6%Added
Prudential Financial Inc119,540$1.29M0.00%+31,050+35.1%Added
Essex Investment Management Co LLC119,170$1.28M0.19%+119,170New
Lombard Odier Asset Management (Switzerland) SA116,376$1.25M0.11%+57,544+97.8%Added
Nuveen Asset Management, LLC113,745$1.22M0.00%−40,573−26.3%Reduced
Los Angeles Capital Management LLC113,647$1.22M0.01%−4,059−3.4%Reduced
Lion Point Capital, LP113,540$1.22M0.67%−232,960−67.2%Reduced
Deutsche Bank AG98,575$1.06M0.00%+23,316+31.0%Added
Susquehanna International Group, LLP97,078$1.04M0.00%+52,776+119.1%Added
Massachusetts Financial Services Co82,941$892.4K0.00%+82,941New
AlphaCentric Advisors LLC82,500$887.7K0.61%+37,500+83.3%Added
Hennion & Walsh Asset Management, Inc.68,881$741.0K0.05%−10,538−13.3%Reduced
Swiss National Bank67,100$722.0K0.00%−7,800−10.4%Reduced
Ensign Peak Advisors, Inc66,443$714.9K0.00%00.0%Unchanged
Schonfeld Strategic Advisors LLC64,998$699.4K0.01%+14,998+30.0%Added
Jackson Creek Investment Advisors LLC61,599$663.0K0.28%−100.0%Reduced
UBS Group AG51,315$552.1K0.00%−5,790−10.1%Reduced
STRS Ohio48,600$522.0K0.00%+10,500+27.6%Added
Tejara Capital Ltd48,500$521.9K0.27%+48,500New
Legato Capital Management LLC47,310$509.1K0.09%+47,310New
Rhumbline Advisers46,091$496.0K0.00%+1,681+3.8%Added
Martingale Asset Management L P44,153$475.1K0.01%+1,001+2.3%Added
M&T Bank Corp43,962$473.5K0.00%+14,298+48.2%Added
Putnam Investments LLC42,374$455.9K0.00%+18,427+76.9%Added
Alliancebernstein L.P.41,900$450.8K0.00%00.0%Unchanged
PDT Partners, LLC40,439$435.1K0.06%+12,131+42.9%Added
Connor, Clark & Lunn Investment Management Ltd.40,366$434.3K0.00%+18,007+80.5%Added
Trexquant Investment LP40,198$432.5K0.01%−25,184−38.5%Reduced
California State Teachers Retirement System38,884$418.4K0.00%−497−1.3%Reduced
Waldron Private Wealth LLC37,696$405.6K0.02%00.0%Unchanged
Advisory Research Inc31,874$343.0K0.06%00.0%Unchanged
Russell Investments Group, Ltd.31,639$340.4K0.00%+8,025+34.0%Added
Gsa Capital Partners LLP30,135$324.0K0.03%+30,135New
Birchview Capital, LP30,000$323.0K0.25%00.0%Unchanged
Dynamic Technology Lab Private Ltd29,985$323.0K0.03%+29,985New
Wells Fargo & Company29,882$321.5K0.00%+28,988+3,242.5%Added
State of Wisconsin Investment Board29,745$320.1K0.00%−425−1.4%Reduced
Campbell & CO Investment Adviser LLC29,242$314.6K0.06%−36,288−55.4%Reduced
Vestcor Inc25,895$279.0K0.01%+25,895New
JPMorgan Chase & Co25,561$275.0K0.00%+5,736+28.9%Added
Public Employees Retirement System of Ohio25,099$270.0K0.00%−6,200−19.8%Reduced
Credit Suisse AG24,819$267.1K0.00%+2,556+11.5%Added
Profund Advisors LLC24,109$259.4K0.02%+24,109New
Mirae Asset Global Investments Co., Ltd.21,384$230.1K0.00%+4,876+29.5%Added
Envestnet Asset Management Inc272,326$219.4K0.00%+272,326New
Virtus ETF Advisers LLC19,696$211.9K0.12%+351+1.8%Added
Squarepoint Ops LLC19,545$210.3K0.00%+7,382+60.7%Added
Mercer Global Advisors Inc18,166$195.0K0.00%+18,166New
MetLife Investment Management17,349$186.7K0.00%00.0%Unchanged
Acadian Asset Management LLC17,159$183.0K0.00%+4,145+31.9%Added
ExodusPoint Capital Management, LP16,994$183.0K0.00%+16,994New
Virginia Retirement Systems Et Al15,900$171.1K0.00%+15,900New
SG Americas Securities, LLC15,619$168.0K0.00%+15,619New
Fox Run Management, L.L.C.15,221$163.8K0.05%+15,221New
American International Group, Inc.15,035$161.8K0.00%+299+2.0%Added
Personal Cfo Solutions, LLC14,238$153.2K0.03%00.0%Unchanged
New York State Common Retirement Fund13,974$150.4K0.00%−7,900−36.1%Reduced
Ergoteles LLC13,780$148.3K0.01%+13,780New
State Board of Administration of Florida Retirement System13,467$144.9K0.00%00.0%Unchanged
Invesco Ltd.13,109$141.1K0.00%−200,449−93.9%Reduced
Kapitalo Investimentos Ltda13,071$140.6K0.05%+7,271+125.4%Added
Voya Investment Management LLC12,841$138.2K0.00%−8,600−40.1%Reduced