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 |
|---|---|---|---|---|---|
| Tang Capital Management LLC | 2,328,609 | $90.4M | 3.48% | 00.0% | Unchanged |
| Baker Bros. Advisors LP | 2,824,669 | $109.7M | 0.79% | 00.0% | Unchanged |
| Vanguard Group Inc | 3,063,135 | $118.9M | 0.00% | −68,467−2.2% | Reduced |
| Rubric Capital Management LP | 4,000,000 | $155.3M | 2.09% | +90,194+2.3% | Added |
| Great Lakes Advisors, LLC | 0 | $0 | 0.00% | −126,789−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −113,990−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −111,710−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −108,574−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −70,780−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −69,884−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −58,964−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −51,964−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −37,602−100.0% | Sold out |
| Knights of Columbus Asset Advisors LLC | 0 | $0 | 0.00% | −32,622−100.0% | Sold out |
| SummitTX Capital, L.P. | 0 | $0 | 0.00% | −30,200−100.0% | Sold out |
| Quantessence Capital LLC | 0 | $0 | 0.00% | −27,066−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −21,398−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −21,368−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −20,333−100.0% | Sold out |
| Cannon Global Investment Management, LLC | 0 | $0 | 0.00% | −17,300−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −15,972−100.0% | Sold out |
| Laurion Capital Management LP | 0 | $0 | 0.00% | −13,170−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −11,839−100.0% | Sold out |
| Advantage Alpha Capital Partners LP | 0 | $0 | 0.00% | −11,020−100.0% | Sold out |
| Polymer Capital Management (US) LLC | 0 | $0 | 0.00% | −10,486−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −10,455−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −10,440−100.0% | Sold out |
| Robeco Institutional Asset Management B.V. | 0 | $0 | 0.00% | −8,436−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −6,969−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −2,600−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −1,565−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −1,486−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −1,163−100.0% | Sold out |
| New York State Common Retirement Fund | 0 | $0 | 0.00% | −514−100.0% | Sold out |
| South State Corp. | 0 | $0 | 0.00% | −179−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |