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 2026
Institutional positions in Kiniksa Pharmaceuticals International, plc as of Mar 31, 2026. 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
- 228
- +7 vs. Q4 2025
- Shares held
- 45.4M
- +5.56M (+13.9%) vs. Q4 2025
- Total value
- $2.18B
- +$538.6M (+32.8%) vs. Q4 2025
- New holders
- 41
- 76 more added
- Sold out
- 34
- 85 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Kiniksa Pharmaceuticals International, plc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mirae Asset Global Investments Co., Ltd. | 14,385 | $692.6K | 0.00% | +199+1.4% | Added |
| Sound View Wealth Advisors Group, LLC | 15,050 | $724.7K | 0.05% | +258+1.7% | Added |
| Harbor Capital Advisors, Inc. | 15,068 | $726.0K | 0.06% | −6,475−30.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 15,111 | $727.6K | 0.00% | −1,822−10.8% | Reduced |
| Allspring Global Investments Holdings, LLC | 15,356 | $739.4K | 0.00% | +1,584+11.5% | Added |
| TD Waterhouse Canada Inc. | 15,967 | $768.3K | 0.00% | +4,520+39.5% | Added |
| Savant Capital, LLC | 16,004 | $770.6K | 0.00% | +9,128+132.8% | Added |
| Los Angeles Capital Management LLC | 16,229 | $781.4K | 0.00% | −7,430−31.4% | Reduced |
| Mariner, LLC | 16,318 | $785.8K | 0.00% | +2,799+20.7% | Added |
| Freestone Grove Partners LP | 16,660 | $802.2K | 0.01% | +16,660 | New |
| State of Wisconsin Investment Board | 17,076 | $822.2K | 0.00% | +277+1.6% | Added |
| Bank of New York Mellon Corp | 17,388 | $837.2K | 0.00% | +2,917+20.2% | Added |
| Mark Sheptoff Financial Planning, LLC | 16,500 | $936.2K | 0.50% | +150+0.9% | Added |
| Landscape Capital Management, L.L.C. | 19,492 | $938.5K | 0.06% | +19,492 | New |
| Virtus Investment Advisers, Inc. | 20,300 | $977.4K | 0.27% | +3,868+23.5% | Added |
| Wealth Enhancement Advisory Services, LLC | 20,181 | $985.2K | 0.00% | +3,757+22.9% | Added |
| Toth Financial Advisory Corp | 20,725 | $997.9K | 0.11% | −840−3.9% | Reduced |
| Brinker Capital Investments, LLC | 20,733 | $998.3K | 0.01% | +5,160+33.1% | Added |
| LPL Financial LLC | 20,925 | $1.01M | 0.00% | +20,925 | New |
| Hussman Strategic Advisors, Inc. | 21,000 | $1.01M | 0.22% | +21,000 | New |
| Kornitzer Capital Management Inc | 21,369 | $1.03M | 0.02% | −722−3.3% | Reduced |
| Lazard Asset Management LLC | 21,432 | $1.03M | 0.00% | −118,869−84.7% | Reduced |
| Ami Asset Management Corp | 21,943 | $1.06M | 0.07% | −21,173−49.1% | Reduced |
| CWM, LLC | 22,913 | $1.10M | 0.00% | +2,308+11.2% | Added |
| Vanguard Asset Management, Ltd | 23,423 | $1.13M | 0.00% | +23,423 | New |
| Legal & General Group Plc | 24,602 | $1.18M | 0.00% | −3,964−13.9% | Reduced |
| ADAR1 Capital Management, LLC | 26,913 | $1.30M | 0.08% | −1,815−6.3% | Reduced |
| Nuveen, LLC | 26,948 | $1.30M | 0.00% | +6,715+33.2% | Added |
| Invesco Ltd. | 27,656 | $1.33M | 0.00% | −4,678−14.5% | Reduced |
| Hudson Bay Capital Management LP | 27,670 | $1.33M | 0.01% | +27,670 | New |
| Public Employees Retirement System of Ohio | 28,955 | $1.39M | 0.00% | 00.0% | Unchanged |
| Artia Global Partners LP | 29,200 | $1.41M | 0.32% | 00.0% | Unchanged |
| Raymond James Financial Inc | 31,089 | $1.43M | 0.00% | −18,103−36.8% | Reduced |
| Lisanti Capital Growth, LLC | 31,065 | $1.50M | 0.38% | +31,065 | New |
| Ameriprise Financial Inc | 31,755 | $1.53M | 0.00% | −361−1.1% | Reduced |
| Stifel Financial Corp | 31,951 | $1.54M | 0.00% | +31,951 | New |
| Vanguard Fiduciary Trust Co | 32,096 | $1.55M | 0.00% | +32,096 | New |
| Citigroup Inc | 33,714 | $1.62M | 0.00% | +32,021+1,891.4% | Added |
| Barclays PLC | 34,152 | $1.64M | 0.00% | +29,575+646.2% | Added |
| CWM Advisors, LLC | 35,271 | $1.70M | 0.10% | +35,271 | New |
| Northern Trust Corp | 36,924 | $1.78M | 0.00% | −23,373−38.8% | Reduced |
| Jump Financial, LLC | 39,735 | $1.91M | 0.03% | −51,694−56.5% | Reduced |
| Baird Financial Group, Inc. | 40,249 | $1.94M | 0.00% | −1,988−4.7% | Reduced |
| California State Teachers Retirement System | 41,975 | $2.02M | 0.00% | +10,477+33.3% | Added |
| Ieq Capital, LLC | 42,950 | $2.07M | 0.01% | −4,891−10.2% | Reduced |
| Jain Global LLC | 43,027 | $2.07M | 0.03% | +11,221+35.3% | Added |
| Schonfeld Strategic Advisors LLC | 43,599 | $2.10M | 0.02% | −20,396−31.9% | Reduced |
| Cerity Partners LLC | 43,712 | $2.10M | 0.00% | +493+1.1% | Added |
| Geode Capital Management, LLC | 44,320 | $2.13M | 0.00% | −1,463−3.2% | Reduced |
| UBS Asset Management Americas Inc | 44,525 | $2.14M | 0.00% | +2,123+5.0% | Added |
| OpenArc Corporate Advisory, LLC | 48,353 | $2.33M | 0.03% | +14,491+42.8% | Added |
| Charles Schwab Investment Management Inc | 50,299 | $2.42M | 0.00% | −13,231−20.8% | Reduced |
| Fieldview Capital Management, LLC | 51,072 | $2.46M | 0.72% | +51,072 | New |
| ExodusPoint Capital Management, LP | 52,303 | $2.52M | 0.03% | +44,345+557.2% | Added |
| Penserra Capital Management LLC | 53,102 | $2.56M | 0.03% | +53,102 | New |
| Brevan Howard Capital Management LP | 53,882 | $2.59M | 0.03% | +53,882 | New |
| EAM Investors, LLC | 56,494 | $2.72M | 0.31% | −39,524−41.2% | Reduced |
| Manufacturers Life Insurance Company, The | 63,346 | $3.05M | 0.00% | +22,917+56.7% | Added |
| Hennion & Walsh Asset Management, Inc. | 67,341 | $3.24M | 0.11% | −11,859−15.0% | Reduced |
| UBS Group AG | 69,700 | $3.36M | 0.00% | −8,216−10.5% | Reduced |
| Legato Capital Management LLC | 70,805 | $3.41M | 0.31% | +7,668+12.1% | Added |
| Swiss National Bank | 71,500 | $3.44M | 0.00% | +2,900+4.2% | Added |
| State Street Corp | 76,633 | $3.69M | 0.00% | +3,631+5.0% | Added |
| PDT Partners, LLC | 80,263 | $3.86M | 0.23% | −21,359−21.0% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 88,600 | $4.27M | 0.01% | −60,174−40.4% | Reduced |
| Globeflex Capital L P | 93,396 | $4.50M | 0.68% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 107,017 | $4.89M | 0.00% | +58,620+121.1% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 104,654 | $5.04M | 0.01% | +45,962+78.3% | Added |
| Nordea Investment Management AB | 106,635 | $5.12M | 0.00% | −4,047−3.7% | Reduced |
| Silvercrest Asset Management Group LLC | 114,289 | $5.50M | 0.04% | −12,120−9.6% | Reduced |
| Voleon Capital Management LP | 120,385 | $5.80M | 0.12% | −30,898−20.4% | Reduced |
| Linden Thomas Advisory Services, LLC | 121,777 | $5.86M | 0.56% | +7,315+6.4% | Added |
| Man Group plc | 127,186 | $6.12M | 0.01% | +87,739+222.4% | Added |
| Voloridge Investment Management, LLC | 134,516 | $6.48M | 0.03% | −94,417−41.2% | Reduced |
| Trexquant Investment LP | 135,280 | $6.51M | 0.05% | −89,848−39.9% | Reduced |
| Squarepoint Ops LLC | 158,093 | $7.61M | 0.02% | +72,911+85.6% | Added |
| Rockefeller Capital Management L.P. | 173,438 | $8.35M | 0.01% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 174,901 | $8.42M | 0.00% | −654,516−78.9% | Reduced |
| OrbiMed Advisors LLC | 180,599 | $8.70M | 0.20% | −6,600−3.5% | Reduced |
| Peregrine Capital Management LLC | 181,360 | $8.73M | 0.32% | −29,550−14.0% | Reduced |
| Castleark Management LLC | 181,512 | $8.74M | 0.29% | −10,680−5.6% | Reduced |
| Granahan Investment Management Inc | 209,256 | $10.1M | 0.49% | −106,957−33.8% | Reduced |
| New York State Common Retirement Fund | 209,617 | $10.1M | 0.01% | +209,617 | New |
| Essex Investment Management Co LLC | 249,278 | $12.0M | 1.90% | −1,697−0.7% | Reduced |
| Parkman Healthcare Partners LLC | 259,184 | $12.5M | 1.29% | −406,024−61.0% | Reduced |
| Braidwell LP | 272,522 | $13.1M | 0.44% | −41,301−13.2% | Reduced |
| SEI Investments Co | 284,005 | $13.7M | 0.01% | +66,509+30.6% | Added |
| Penn Capital Management Co Inc | 301,993 | $14.6M | 1.13% | +301,993 | New |
| Marshall Wace, LLP | 305,371 | $14.7M | 0.02% | +299,571+5,165.0% | Added |
| ArrowMark Colorado Holdings LLC | 316,956 | $15.3M | 0.41% | −16,746−5.0% | Reduced |
| Oberweis Asset Management Inc | 318,634 | $15.3M | 0.45% | +5,834+1.9% | Added |
| Nomura Holdings Inc | 342,939 | $16.5M | 0.14% | −69,700−16.9% | Reduced |
| Standard Life Aberdeen plc | 373,634 | $18.0M | 0.03% | −26,964−6.7% | Reduced |
| AQR Capital Management LLC | 378,697 | $18.2M | 0.01% | +25,635+7.3% | Added |
| Susquehanna International Group, LLP | 383,811 | $18.5M | 0.02% | +340,914+794.7% | Added |
| Two Sigma Investments, LP | 420,914 | $20.3M | 0.02% | −109,582−20.7% | Reduced |
| Fisher Asset Management, LLC | 428,972 | $20.7M | 0.01% | +161,698+60.5% | Added |
| Massachusetts Financial Services Co | 438,002 | $21.1M | 0.01% | +12,770+3.0% | Added |
| Citadel Advisors LLC | 474,750 | $22.9M | 0.02% | −267,368−36.0% | Reduced |
| Janus Henderson Group PLC | 481,023 | $23.2M | 0.01% | +327,595+213.5% | Added |