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 2025
Institutional positions in Kiniksa Pharmaceuticals International, plc as of Dec 31, 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
- 224
- +24 vs. Q3 2025
- Shares held
- 43.0M
- +2.55M (+6.3%) vs. Q3 2025
- Total value
- $1.77B
- +$202.9M (+12.9%) vs. Q3 2025
- New holders
- 42
- 79 more added
- Sold out
- 18
- 70 more reduced
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Kiniksa Pharmaceuticals International, plc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State of Wyoming | 13,280 | $547.8K | 0.06% | +5,318+66.8% | Added |
| Catalyst Funds Management Pty Ltd | 13,400 | $552.8K | 0.13% | 00.0% | Unchanged |
| Mariner, LLC | 13,519 | $557.7K | 0.00% | +266+2.0% | Added |
| Allspring Global Investments Holdings, LLC | 13,772 | $568.1K | 0.00% | −4,984−26.6% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 14,186 | $585.2K | 0.00% | +2,485+21.2% | Added |
| Bank of New York Mellon Corp | 14,471 | $596.9K | 0.00% | −18,058−55.5% | Reduced |
| Sound View Wealth Advisors Group, LLC | 14,792 | $610.2K | 0.04% | +2,063+16.2% | Added |
| Magnetar Financial LLC | 15,295 | $630.9K | 0.01% | +15,295 | New |
| Brinker Capital Investments, LLC | 15,573 | $642.4K | 0.00% | +6,765+76.8% | Added |
| Mark Sheptoff Financial Planning, LLC | 16,350 | $674.4K | 0.32% | +250+1.6% | Added |
| Virtus Investment Advisers, Inc. | 16,432 | $677.8K | 0.18% | +406+2.5% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 16,525 | $681.7K | 0.00% | +16,525 | New |
| State of Wisconsin Investment Board | 16,799 | $693.0K | 0.00% | −1,081−6.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 16,933 | $698.5K | 0.00% | +1,446+9.3% | Added |
| Wealth Enhancement Advisory Services, LLC | 16,424 | $701.0K | 0.00% | +771+4.9% | Added |
| Nuveen, LLC | 20,233 | $834.6K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 20,605 | $850.0K | 0.00% | +764+3.9% | Added |
| Los Angeles Capital Management LLC | 23,659 | $882.2K | 0.00% | +5,376+29.4% | Added |
| Harbor Capital Advisors, Inc. | 21,543 | $889.0K | 0.07% | +843+4.1% | Added |
| Toth Financial Advisory Corp | 21,565 | $889.6K | 0.10% | 00.0% | Unchanged |
| Kornitzer Capital Management Inc | 22,091 | $911.3K | 0.02% | +22,091 | New |
| Amundi | 23,496 | $969.2K | 0.00% | +23,496 | New |
| Fox Run Management, L.L.C. | 27,804 | $1.15M | 0.18% | +14,241+105.0% | Added |
| Legal & General Group Plc | 28,566 | $1.18M | 0.00% | −2,292−7.4% | Reduced |
| ADAR1 Capital Management, LLC | 28,728 | $1.19M | 0.09% | −46,459−61.8% | Reduced |
| Public Employees Retirement System of Ohio | 28,955 | $1.19M | 0.00% | +28,955 | New |
| Artia Global Partners LP | 29,200 | $1.20M | 0.19% | 00.0% | Unchanged |
| California State Teachers Retirement System | 31,498 | $1.30M | 0.00% | 00.0% | Unchanged |
| Jain Global LLC | 31,806 | $1.31M | 0.01% | +10,879+52.0% | Added |
| Ameriprise Financial Inc | 32,116 | $1.32M | 0.00% | −1,430−4.3% | Reduced |
| Invesco Ltd. | 32,334 | $1.33M | 0.00% | +6,656+25.9% | Added |
| OpenArc Corporate Advisory, LLC | 33,862 | $1.40M | 0.02% | +33,862 | New |
| Y-Intercept (Hong Kong) Ltd | 35,889 | $1.48M | 0.03% | +29,494+461.2% | Added |
| Man Group plc | 39,447 | $1.63M | 0.00% | −28,458−41.9% | Reduced |
| Engineers Gate Manager LP | 39,873 | $1.64M | 0.02% | −47,591−54.4% | Reduced |
| Manufacturers Life Insurance Company, The | 40,429 | $1.66M | 0.00% | +40,429 | New |
| Baird Financial Group, Inc. | 42,237 | $1.74M | 0.00% | −13,075−23.6% | Reduced |
| UBS Asset Management Americas Inc | 42,402 | $1.75M | 0.00% | −13,117−23.6% | Reduced |
| Susquehanna International Group, LLP | 42,897 | $1.77M | 0.00% | +35,958+518.2% | Added |
| Ami Asset Management Corp | 43,116 | $1.78M | 0.10% | +90.0% | Added |
| Cerity Partners LLC | 43,219 | $1.78M | 0.00% | +183+0.4% | Added |
| Geode Capital Management, LLC | 45,783 | $1.89M | 0.00% | +221+0.5% | Added |
| Ieq Capital, LLC | 47,841 | $1.97M | 0.01% | +1,854+4.0% | Added |
| JPMorgan Chase & Co | 48,397 | $2.00M | 0.00% | −144,059−74.9% | Reduced |
| SummitTX Capital, L.P. | 48,808 | $2.01M | 0.06% | +48,808 | New |
| Raymond James Financial Inc | 49,192 | $2.02M | 0.00% | −29,887−37.8% | Reduced |
| Wells Fargo & Company | 54,393 | $2.24M | 0.00% | +46,725+609.4% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 58,692 | $2.42M | 0.00% | −1,652−2.7% | Reduced |
| Susquehanna Fundamental Investments, LLC | 60,125 | $2.48M | 0.08% | 00.0% | Unchanged |
| Northern Trust Corp | 60,297 | $2.49M | 0.00% | +7,890+15.1% | Added |
| Legato Capital Management LLC | 63,137 | $2.60M | 0.22% | +5,496+9.5% | Added |
| Charles Schwab Investment Management Inc | 63,530 | $2.62M | 0.00% | −1,582−2.4% | Reduced |
| Schonfeld Strategic Advisors LLC | 63,995 | $2.64M | 0.01% | −19,886−23.7% | Reduced |
| Swiss National Bank | 68,600 | $2.83M | 0.00% | +2,900+4.4% | Added |
| Gsa Capital Partners LLP | 68,994 | $2.85M | 0.25% | −8,990−11.5% | Reduced |
| State Street Corp | 73,002 | $3.01M | 0.00% | −2,048−2.7% | Reduced |
| UBS Group AG | 77,916 | $3.21M | 0.00% | +28,099+56.4% | Added |
| Hennion & Walsh Asset Management, Inc. | 79,200 | $3.27M | 0.11% | −42,619−35.0% | Reduced |
| Squarepoint Ops LLC | 85,182 | $3.51M | 0.01% | −160.0% | Reduced |
| Jump Financial, LLC | 91,429 | $3.77M | 0.05% | −21,506−19.0% | Reduced |
| Globeflex Capital L P | 93,396 | $3.85M | 0.59% | 00.0% | Unchanged |
| Atika Capital Management LLC | 93,970 | $3.88M | 0.54% | +93,970 | New |
| EAM Investors, LLC | 96,018 | $3.96M | 0.44% | −1,921−2.0% | Reduced |
| PDT Partners, LLC | 101,622 | $4.19M | 0.27% | 00.0% | Unchanged |
| Nordea Investment Management AB | 110,682 | $4.54M | 0.00% | −20,392−15.6% | Reduced |
| Linden Thomas Advisory Services, LLC | 114,462 | $4.72M | 0.48% | −1,578−1.4% | Reduced |
| Silvercrest Asset Management Group LLC | 126,409 | $5.21M | 0.04% | +149+0.1% | Added |
| Lazard Asset Management LLC | 140,301 | $5.79M | 0.01% | +1,989+1.4% | Added |
| Walleye Capital LLC | 143,293 | $5.91M | 0.03% | −269,793−65.3% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 148,774 | $6.14M | 0.01% | +27,374+22.5% | Added |
| Voleon Capital Management LP | 151,283 | $6.24M | 0.13% | +62,117+69.7% | Added |
| Janus Henderson Group PLC | 153,428 | $6.33M | 0.00% | +141,249+1,159.8% | Added |
| Rockefeller Capital Management L.P. | 173,438 | $7.15M | 0.01% | 00.0% | Unchanged |
| OrbiMed Advisors LLC | 187,199 | $7.72M | 0.16% | +187,199 | New |
| Castleark Management LLC | 192,192 | $7.93M | 0.23% | +33,560+21.2% | Added |
| Two Sigma Advisers, LP | 208,300 | $8.59M | 0.02% | +31,200+17.6% | Added |
| Peregrine Capital Management LLC | 210,910 | $8.70M | 0.27% | −3,454−1.6% | Reduced |
| SEI Investments Co | 217,496 | $8.97M | 0.01% | +46,327+27.1% | Added |
| Hillsdale Investment Management Inc. | 224,074 | $9.24M | 0.26% | −1,300−0.6% | Reduced |
| Trexquant Investment LP | 225,128 | $9.29M | 0.08% | −134,710−37.4% | Reduced |
| Voloridge Investment Management, LLC | 228,933 | $9.44M | 0.03% | −69,414−23.3% | Reduced |
| Bank of America Corp | 229,364 | $9.46M | 0.00% | −266,119−53.7% | Reduced |
| Jane Street Group, LLC | 242,430 | $10.0M | 0.01% | −218,958−47.5% | Reduced |
| Essex Investment Management Co LLC | 250,975 | $10.4M | 1.58% | +3,674+1.5% | Added |
| Fisher Asset Management, LLC | 267,274 | $11.0M | 0.00% | −15,014−5.3% | Reduced |
| Oberweis Asset Management Inc | 312,800 | $12.9M | 0.47% | +7,600+2.5% | Added |
| Braidwell LP | 313,823 | $12.9M | 0.41% | −329,357−51.2% | Reduced |
| Granahan Investment Management Inc | 316,213 | $13.0M | 0.56% | +32,642+11.5% | Added |
| Alliancebernstein L.P. | 328,274 | $13.5M | 0.00% | +328,274 | New |
| ArrowMark Colorado Holdings LLC | 333,702 | $13.8M | 0.30% | −6,925−2.0% | Reduced |
| Logos Global Management LP | 350,000 | $14.4M | 0.96% | +350,000 | New |
| AQR Capital Management LLC | 353,062 | $14.6M | 0.01% | +20,645+6.2% | Added |
| Standard Life Aberdeen plc | 400,598 | $16.5M | 0.03% | +241,876+152.4% | Added |
| Nomura Holdings Inc | 412,639 | $17.0M | 0.05% | +15,500+3.9% | Added |
| Massachusetts Financial Services Co | 425,232 | $17.5M | 0.01% | −33,072−7.2% | Reduced |
| Spruce Street Capital LP | 434,982 | $17.9M | 5.93% | +434,982 | New |
| BlackRock, Inc. | 446,603 | $18.4M | 0.00% | −11,044−2.4% | Reduced |
| Victory Capital Management Inc | 512,163 | $21.1M | 0.01% | +512,163 | New |
| Two Sigma Investments, LP | 530,496 | $21.9M | 0.03% | +68,726+14.9% | Added |
| SG Americas Securities, LLC | 541,396 | $22.3M | 0.03% | +402,078+288.6% | Added |