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 2025
Institutional positions in Kiniksa Pharmaceuticals International, plc as of Sep 30, 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
- 204
- +15 vs. Q2 2025
- Shares held
- 40.8M
- +989.0K (+2.5%) vs. Q2 2025
- Total value
- $1.59B
- +$483.0M (+43.8%) vs. Q2 2025
- New holders
- 47
- 60 more added
- Sold out
- 32
- 70 more reduced
Compare with Q2 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 267 | $2.99B |
| Q1 2026 | 228 | $2.18B |
| Q4 2025 | 224 | $1.77B |
| Q3 2025 | 204 | $1.59B |
| Q2 2025 | 189 | $1.10B |
| Q1 2025 | 176 | $889.4M |
| Q4 2024 | 160 | $773.1M |
| Q3 2024 | 176 | $991.2M |
| Q2 2024 | 133 | $659.4M |
| Q1 2024 | 154 | $768.1M |
| Q4 2023 | 142 | $600.4M |
| Q3 2023 | 134 | $605.8M |
| Q2 2023 | 127 | $447.7M |
| Q1 2023 | 132 | $339.6M |
| Q4 2022 | 125 | $450.0M |
| Q3 2022 | 104 | $383.2M |
| Q2 2022 | 92 | $290.5M |
| Q1 2022 | 96 | $306.0M |
| Q4 2021 | 103 | $346.4M |
| Q3 2021 | 101 | $332.0M |
| Q2 2021 | 102 | $402.0M |
| Q1 2021 | 105 | $537.6M |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Kiniksa Pharmaceuticals International, plc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CWM, LLC | 19,841 | $770.0K | 0.00% | −874−4.2% | Reduced |
| Nuveen, LLC | 20,233 | $785.6K | 0.00% | +20,233 | New |
| Harbor Capital Advisors, Inc. | 20,700 | $804.0K | 0.06% | −50,226−70.8% | Reduced |
| Jain Global LLC | 20,927 | $812.6K | 0.01% | −34,627−62.3% | Reduced |
| Toth Financial Advisory Corp | 21,565 | $837.4K | 0.09% | +10,865+101.5% | Added |
| Lion Point Capital, LP | 23,400 | $908.6K | 5.16% | −22,500−49.0% | Reduced |
| Invesco Ltd. | 25,678 | $997.1K | 0.00% | +5,389+26.6% | Added |
| Artia Global Partners LP | 29,200 | $1.13M | 0.20% | 00.0% | Unchanged |
| Birchview Capital, LP | 30,000 | $1.16M | 0.88% | 00.0% | Unchanged |
| Danske Bank A/S | 30,389 | $1.18M | 0.00% | −12,565−29.3% | Reduced |
| Legal & General Group Plc | 30,858 | $1.20M | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 31,498 | $1.22M | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 32,529 | $1.26M | 0.00% | +790+2.5% | Added |
| Ameriprise Financial Inc | 33,546 | $1.30M | 0.00% | +1,289+4.0% | Added |
| Algert Global LLC | 35,847 | $1.39M | 0.02% | −196,340−84.6% | Reduced |
| Campbell & CO Investment Adviser LLC | 38,117 | $1.48M | 0.11% | +38,117 | New |
| Cerity Partners LLC | 43,036 | $1.67M | 0.00% | +1,132+2.7% | Added |
| Ami Asset Management Corp | 43,107 | $1.67M | 0.09% | −34−0.1% | Reduced |
| Dark Forest Capital Management LP | 43,346 | $1.68M | 0.06% | −4,861−10.1% | Reduced |
| Geode Capital Management, LLC | 45,562 | $1.77M | 0.00% | −5,380−10.6% | Reduced |
| Ieq Capital, LLC | 45,987 | $1.79M | 0.01% | −929−2.0% | Reduced |
| Russell Investments Group, Ltd. | 49,182 | $1.91M | 0.00% | −11,913−19.5% | Reduced |
| UBS Group AG | 49,817 | $1.93M | 0.00% | +19,201+62.7% | Added |
| Northern Trust Corp | 52,407 | $2.03M | 0.00% | −2,180−4.0% | Reduced |
| Baird Financial Group, Inc. | 55,312 | $2.15M | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 55,519 | $2.16M | 0.00% | −49,186−47.0% | Reduced |
| Legato Capital Management LLC | 57,641 | $2.24M | 0.24% | +7,000+13.8% | Added |
| Adage Capital Partners GP, L.L.C. | 59,000 | $2.29M | 0.00% | +59,000 | New |
| ExodusPoint Capital Management, LP | 59,876 | $2.32M | 0.03% | −73,400−55.1% | Reduced |
| Susquehanna Fundamental Investments, LLC | 60,125 | $2.33M | 0.09% | 00.0% | Unchanged |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 60,344 | $2.34M | 0.00% | +51,204+560.2% | Added |
| Marshall Wace, LLP | 61,316 | $2.38M | 0.00% | −15,031−19.7% | Reduced |
| Charles Schwab Investment Management Inc | 65,112 | $2.53M | 0.00% | −5,203−7.4% | Reduced |
| Swiss National Bank | 65,700 | $2.55M | 0.00% | +1,100+1.7% | Added |
| Man Group plc | 67,905 | $2.64M | 0.01% | +67,905 | New |
| State Street Corp | 75,050 | $2.91M | 0.00% | +2,146+2.9% | Added |
| ADAR1 Capital Management, LLC | 75,187 | $2.92M | 0.29% | +18,647+33.0% | Added |
| Gsa Capital Partners LLP | 77,984 | $3.03M | 0.25% | +57,566+281.9% | Added |
| Raymond James Financial Inc | 79,079 | $3.07M | 0.00% | −5,836−6.9% | Reduced |
| Schonfeld Strategic Advisors LLC | 83,881 | $3.26M | 0.02% | +15,130+22.0% | Added |
| Squarepoint Ops LLC | 85,198 | $3.31M | 0.01% | −331,374−79.5% | Reduced |
| Engineers Gate Manager LP | 87,464 | $3.40M | 0.04% | +28,189+47.6% | Added |
| Silverarc Capital Management, LLC | 88,910 | $3.45M | 0.50% | +12,951+17.0% | Added |
| Voleon Capital Management LP | 89,166 | $3.46M | 0.08% | +89,166 | New |
| Globeflex Capital L P | 93,396 | $3.63M | 0.56% | +4,800+5.4% | Added |
| EAM Investors, LLC | 97,939 | $3.74M | 0.43% | −7,808−7.4% | Reduced |
| PDT Partners, LLC | 101,622 | $3.95M | 0.25% | −1,264−1.2% | Reduced |
| Jump Financial, LLC | 112,935 | $4.39M | 0.06% | −113,103−50.0% | Reduced |
| Linden Thomas Advisory Services, LLC | 116,040 | $4.51M | 0.46% | −75−0.1% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 121,400 | $4.71M | 0.01% | +53,900+79.9% | Added |
| Hennion & Walsh Asset Management, Inc. | 121,819 | $4.73M | 0.17% | −11,195−8.4% | Reduced |
| Silvercrest Asset Management Group LLC | 126,260 | $4.90M | 0.03% | +126,260 | New |
| Nordea Investment Management AB | 131,074 | $5.02M | 0.00% | +914+0.7% | Added |
| Lazard Asset Management LLC | 138,312 | $5.37M | 0.01% | +123,131+811.1% | Added |
| SG Americas Securities, LLC | 139,318 | $5.41M | 0.02% | +4,914+3.7% | Added |
| Soleus Capital Management, L.P. | 150,000 | $5.82M | 0.31% | −104,689−41.1% | Reduced |
| Castleark Management LLC | 158,632 | $6.16M | 0.17% | +158,632 | New |
| Standard Life Aberdeen plc | 158,722 | $6.16M | 0.01% | +158,722 | New |
| SEI Investments Co | 171,169 | $6.65M | 0.01% | +69,673+68.6% | Added |
| Rockefeller Capital Management L.P. | 173,438 | $6.73M | 0.01% | +173,438 | New |
| Two Sigma Advisers, LP | 177,100 | $6.88M | 0.01% | +91,700+107.4% | Added |
| JPMorgan Chase & Co | 192,456 | $7.47M | 0.00% | +57,174+42.3% | Added |
| Peregrine Capital Management LLC | 214,364 | $8.32M | 0.25% | −74,272−25.7% | Reduced |
| Hillsdale Investment Management Inc. | 225,374 | $8.75M | 0.26% | +24,800+12.4% | Added |
| Essex Investment Management Co LLC | 247,301 | $9.60M | 1.47% | +75,864+44.3% | Added |
| Fisher Asset Management, LLC | 282,288 | $11.0M | 0.00% | +180,029+176.1% | Added |
| Granahan Investment Management Inc | 283,571 | $11.0M | 0.45% | −27,421−8.8% | Reduced |
| Voloridge Investment Management, LLC | 298,347 | $11.6M | 0.04% | −35,576−10.7% | Reduced |
| Oberweis Asset Management Inc | 305,200 | $11.9M | 0.45% | 00.0% | Unchanged |
| Citadel Advisors LLC | 314,556 | $12.2M | 0.01% | +47,163+17.6% | Added |
| AQR Capital Management LLC | 332,417 | $12.9M | 0.01% | −65,815−16.5% | Reduced |
| ArrowMark Colorado Holdings LLC | 340,627 | $13.2M | 0.25% | −125,272−26.9% | Reduced |
| Trexquant Investment LP | 359,838 | $14.0M | 0.14% | −97,149−21.3% | Reduced |
| Cubist Systematic Strategies, LLC | 381,319 | $14.8M | 0.21% | −276,156−42.0% | Reduced |
| Nomura Holdings Inc | 397,139 | $15.4M | 0.07% | +397,139 | New |
| Walleye Capital LLC | 413,086 | $16.0M | 0.13% | +293,201+244.6% | Added |
| BlackRock, Inc. | 457,647 | $17.8M | 0.00% | −245,233−34.9% | Reduced |
| Massachusetts Financial Services Co | 458,304 | $17.8M | 0.01% | +394,072+613.5% | Added |
| Jane Street Group, LLC | 461,388 | $17.9M | 0.02% | −97,004−17.4% | Reduced |
| Two Sigma Investments, LP | 461,770 | $17.9M | 0.03% | +298,030+182.0% | Added |
| Bank of America Corp | 495,483 | $19.2M | 0.00% | +222,854+81.7% | Added |
| Deutsche Bank AG | 533,375 | $20.7M | 0.01% | +163,873+44.3% | Added |
| Goldman Sachs Group Inc | 546,510 | $21.2M | 0.00% | +162,842+42.4% | Added |
| Point72 Asset Management, L.P. | 566,927 | $22.0M | 0.05% | −281,622−33.2% | Reduced |
| Rice Hall James & Associates, LLC | 577,822 | $22.4M | 1.22% | −60,411−9.5% | Reduced |
| Dimensional Fund Advisors LP | 632,123 | $24.5M | 0.01% | −16,213−2.5% | Reduced |
| Braidwell LP | 643,180 | $25.0M | 0.74% | −459,400−41.7% | Reduced |
| BNP Paribas Arbitrage, SA | 653,411 | $25.4M | 0.02% | +227,464+53.4% | Added |
| Driehaus Capital Management LLC | 654,585 | $25.4M | 0.18% | +6,605+1.0% | Added |
| Parkman Healthcare Partners LLC | 671,592 | $26.1M | 2.86% | +182,796+37.4% | Added |
| Qube Research & Technologies Ltd | 689,888 | $26.8M | 0.04% | −198,476−22.3% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 725,355 | $28.2M | 0.09% | +101,666+16.3% | Added |
| FMR LLC | 799,755 | $31.1M | 0.00% | −7,143−0.9% | Reduced |
| Pictet Asset Management Holding SA | 932,096 | $36.2M | 0.03% | −52,501−5.3% | Reduced |
| Millennium Management LLC | 1,014,125 | $39.4M | 0.03% | −5,843−0.6% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,068,263 | $41.5M | 0.03% | +332,846+45.3% | Added |
| D. E. Shaw & Co., Inc. | 1,134,186 | $44.0M | 0.04% | +342,881+43.3% | Added |
| Morgan Stanley | 1,362,923 | $52.9M | 0.00% | +296,644+27.8% | Added |
| Acadian Asset Management LLC | 1,618,521 | $62.8M | 0.11% | +350,532+27.6% | Added |
| Fairmount Funds Management LLC | 1,772,839 | $68.8M | 6.19% | 00.0% | Unchanged |