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, Q2 2025
Institutional positions in Kiniksa Pharmaceuticals International, plc as of Jun 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
- 189
- +15 vs. Q1 2025
- Shares held
- 39.9M
- −4.84K (0.0%) vs. Q1 2025
- Total value
- $1.10B
- +$217.4M (+24.6%) vs. Q1 2025
- New holders
- 48
- 65 more added
- Sold out
- 33
- 63 more reduced
2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Kiniksa Pharmaceuticals International, plc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rubric Capital Management LP | 3,909,806 | $108.2M | 1.74% | +526,567+15.6% | Added |
| Vanguard Group Inc | 3,131,602 | $86.7M | 0.00% | −227,499−6.8% | Reduced |
| Baker Bros. Advisors LP | 2,824,669 | $78.2M | 0.76% | +6,346+0.2% | Added |
| Tang Capital Management LLC | 2,328,609 | $64.4M | 3.26% | +210,030+9.9% | Added |
| Fairmount Funds Management LLC | 1,772,839 | $49.1M | 6.36% | +670,591+60.8% | Added |
| Acadian Asset Management LLC | 1,267,989 | $35.1M | 0.07% | +233,668+22.6% | Added |
| Braidwell LP | 1,102,580 | $30.5M | 1.04% | −860,329−43.8% | Reduced |
| Morgan Stanley | 1,066,279 | $29.5M | 0.00% | −10,120−0.9% | Reduced |
| Millennium Management LLC | 1,019,968 | $28.2M | 0.03% | +172,844+20.4% | Added |
| Pictet Asset Management Holding SA | 984,597 | $27.2M | 0.03% | −149,334−13.2% | Reduced |
| Qube Research & Technologies Ltd | 888,364 | $24.6M | 0.03% | +653,236+277.8% | Added |
| Point72 Asset Management, L.P. | 848,549 | $23.5M | 0.06% | −300,862−26.2% | Reduced |
| FMR LLC | 806,898 | $22.3M | 0.00% | +2,755+0.3% | Added |
| D. E. Shaw & Co., Inc. | 791,305 | $21.9M | 0.02% | +393,560+98.9% | Added |
| Arrowstreet Capital, Limited Partnership | 735,417 | $20.3M | 0.01% | +735,417 | New |
| BlackRock, Inc. | 702,880 | $19.4M | 0.00% | −2,729,819−79.5% | Reduced |
| Cubist Systematic Strategies, LLC | 657,475 | $18.2M | 0.20% | +447,536+213.2% | Added |
| Dimensional Fund Advisors LP | 648,336 | $17.9M | 0.00% | −123,967−16.1% | Reduced |
| Driehaus Capital Management LLC | 647,980 | $17.9M | 0.14% | +36,702+6.0% | Added |
| Rice Hall James & Associates, LLC | 638,233 | $17.7M | 0.95% | +13,688+2.2% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 623,689 | $17.3M | 0.06% | +223,946+56.0% | Added |
| Jane Street Group, LLC | 558,392 | $15.5M | 0.02% | +429,101+331.9% | Added |
| Parkman Healthcare Partners LLC | 488,796 | $13.5M | 1.56% | −273,825−35.9% | Reduced |
| ArrowMark Colorado Holdings LLC | 465,899 | $12.9M | 0.23% | −69,808−13.0% | Reduced |
| Trexquant Investment LP | 456,987 | $12.6M | 0.14% | +220,504+93.2% | Added |
| BNP Paribas Arbitrage, SA | 425,947 | $11.8M | 0.01% | +200,517+88.9% | Added |
| Squarepoint Ops LLC | 416,572 | $11.5M | 0.03% | +271,005+186.2% | Added |
| AQR Capital Management LLC | 398,232 | $11.0M | 0.01% | −93,529−19.0% | Reduced |
| Goldman Sachs Group Inc | 383,668 | $10.6M | 0.00% | +227,340+145.4% | Added |
| Deutsche Bank AG | 369,502 | $10.2M | 0.00% | −25,020−6.3% | Reduced |
| Voloridge Investment Management, LLC | 333,923 | $9.24M | 0.03% | +268,813+412.9% | Added |
| Granahan Investment Management Inc | 310,992 | $8.61M | 0.35% | −50,902−14.1% | Reduced |
| Oberweis Asset Management Inc | 305,200 | $8.44M | 0.37% | +68,000+28.7% | Added |
| Peregrine Capital Management LLC | 288,636 | $7.99M | 0.24% | −20,554−6.6% | Reduced |
| Bank of America Corp | 272,629 | $7.54M | 0.00% | +32,982+13.8% | Added |
| Citadel Advisors LLC | 267,393 | $7.40M | 0.01% | +206,746+340.9% | Added |
| Soleus Capital Management, L.P. | 254,689 | $7.05M | 0.49% | −214,811−45.8% | Reduced |
| Algert Global LLC | 232,187 | $6.42M | 0.13% | +1,720+0.7% | Added |
| Jump Financial, LLC | 226,038 | $6.25M | 0.08% | +226,038 | New |
| Royal Bank of Canada | 223,208 | $6.17M | 0.00% | +220,746+8,966.1% | Added |
| Hillsdale Investment Management Inc. | 200,574 | $5.55M | 0.20% | +200,574 | New |
| Essex Investment Management Co LLC | 171,437 | $4.74M | 0.86% | −1,229−0.7% | Reduced |
| Two Sigma Investments, LP | 163,740 | $4.53M | 0.01% | +163,740 | New |
| Susquehanna International Group, LLP | 139,782 | $3.87M | 0.01% | +85,503+157.5% | Added |
| JPMorgan Chase & Co | 135,282 | $3.74M | 0.00% | +18,870+16.2% | Added |
| SG Americas Securities, LLC | 134,404 | $3.72M | 0.02% | +127,126+1,746.7% | Added |
| ExodusPoint Capital Management, LP | 133,276 | $3.69M | 0.04% | +100,894+311.6% | Added |
| Hennion & Walsh Asset Management, Inc. | 133,014 | $3.68M | 0.15% | −51,112−27.8% | Reduced |
| Nordea Investment Management AB | 130,160 | $3.58M | 0.00% | +2,110+1.6% | Added |
| Great Lakes Advisors, LLC | 126,789 | $3.51M | 0.03% | +126,789 | New |
| Walleye Capital LLC | 119,885 | $3.32M | 0.03% | +33,682+39.1% | Added |
| Linden Thomas Advisory Services, LLC | 116,115 | $3.21M | 0.35% | −1,166−1.0% | Reduced |
| Wellington Management Group LLP | 113,990 | $3.15M | 0.00% | +22,958+25.2% | Added |
| Weiss Asset Management LP | 111,710 | $3.09M | 0.05% | +111,710 | New |
| Franklin Resources Inc | 108,574 | $3.00M | 0.00% | +41,632+62.2% | Added |
| EAM Investors, LLC | 105,747 | $2.93M | 0.44% | +105,747 | New |
| UBS Asset Management Americas Inc | 104,705 | $2.90M | 0.00% | +48,729+87.1% | Added |
| PDT Partners, LLC | 102,886 | $2.85M | 0.16% | +56,479+121.7% | Added |
| Fisher Asset Management, LLC | 102,259 | $2.83M | 0.00% | −41,992−29.1% | Reduced |
| SEI Investments Co | 101,496 | $2.81M | 0.00% | +25,860+34.2% | Added |
| Globeflex Capital L P | 88,596 | $2.45M | 0.20% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 85,400 | $2.36M | 0.00% | +85,400 | New |
| Raymond James Financial Inc | 84,915 | $2.35M | 0.00% | −18,758−18.1% | Reduced |
| State of Wisconsin Investment Board | 84,067 | $2.33M | 0.01% | −16,975−16.8% | Reduced |
| Marshall Wace, LLP | 76,347 | $2.11M | 0.00% | +76,347 | New |
| Silverarc Capital Management, LLC | 75,959 | $2.10M | 0.43% | −12,256−13.9% | Reduced |
| State Street Corp | 72,904 | $2.02M | 0.00% | −635,905−89.7% | Reduced |
| Harbor Capital Advisors, Inc. | 70,926 | $1.96M | 0.08% | −6,796−8.7% | Reduced |
| Hudson Bay Capital Management LP | 70,780 | $1.96M | 0.01% | −129,220−64.6% | Reduced |
| Charles Schwab Investment Management Inc | 70,315 | $1.95M | 0.00% | −94,057−57.2% | Reduced |
| Nebula Research & Development LLC | 69,884 | $1.93M | 0.16% | +31,570+82.4% | Added |
| Schonfeld Strategic Advisors LLC | 68,751 | $1.90M | 0.01% | +18,904+37.9% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 67,500 | $1.87M | 0.00% | +67,500 | New |
| Swiss National Bank | 64,600 | $1.79M | 0.00% | −7,300−10.2% | Reduced |
| Massachusetts Financial Services Co | 64,232 | $1.78M | 0.00% | +793+1.3% | Added |
| Russell Investments Group, Ltd. | 61,095 | $1.70M | 0.00% | −22,056−26.5% | Reduced |
| Susquehanna Fundamental Investments, LLC | 60,125 | $1.66M | 0.04% | −37,867−38.6% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 59,564 | $1.65M | 0.04% | +59,564 | New |
| Engineers Gate Manager LP | 59,275 | $1.64M | 0.02% | +59,275 | New |
| Victory Capital Management Inc | 58,964 | $1.63M | 0.00% | +5,647+10.6% | Added |
| ADAR1 Capital Management, LLC | 56,540 | $1.56M | 0.25% | +15,128+36.5% | Added |
| Jain Global LLC | 55,554 | $1.54M | 0.02% | +55,554 | New |
| Baird Financial Group, Inc. | 55,312 | $1.53M | 0.00% | +55,312 | New |
| Northern Trust Corp | 54,587 | $1.51M | 0.00% | −236,609−81.3% | Reduced |
| Citigroup Inc | 53,202 | $1.47M | 0.00% | +20,095+60.7% | Added |
| Martingale Asset Management L P | 52,434 | $1.45M | 0.04% | +2,434+4.9% | Added |
| HRT Financial LP | 51,964 | $1.44M | 0.01% | +51,964 | New |
| Geode Capital Management, LLC | 50,942 | $1.41M | 0.00% | −454,509−89.9% | Reduced |
| Legato Capital Management LLC | 50,641 | $1.40M | 0.17% | −122−0.2% | Reduced |
| Dark Forest Capital Management LP | 48,207 | $1.33M | 0.05% | +34,099+241.7% | Added |
| Ieq Capital, LLC | 46,916 | $1.30M | 0.01% | +3,291+7.5% | Added |
| Lion Point Capital, LP | 45,900 | $1.27M | 8.62% | 00.0% | Unchanged |
| Ami Asset Management Corp | 43,141 | $1.19M | 0.07% | −34,547−44.5% | Reduced |
| Danske Bank A/S | 42,954 | $1.19M | 0.00% | −31,033−41.9% | Reduced |
| Cerity Partners LLC | 41,904 | $1.16M | 0.00% | +1,196+2.9% | Added |
| UBS Oconnor LLC | 37,602 | $1.04M | 0.03% | −101,673−73.0% | Reduced |
| Fox Run Management, L.L.C. | 35,743 | $989.0K | 0.16% | +24,391+214.9% | Added |
| Knights of Columbus Asset Advisors LLC | 32,622 | $902.7K | 0.05% | −30,002−47.9% | Reduced |
| Ameriprise Financial Inc | 32,257 | $892.6K | 0.00% | −5,014−13.5% | Reduced |
| Bank of New York Mellon Corp | 31,739 | $878.2K | 0.00% | −90,120−74.0% | Reduced |