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 |
|---|---|---|---|---|---|
| Jones Financial Companies LLLP | 237 | $10.8K | 0.00% | −40−14.4% | Reduced |
| Fortitude Family Office, LLC | 224 | $10.8K | 0.00% | −25−10.0% | Reduced |
| Bryn Mawr Trust Co | 204 | $9.82K | 0.00% | +204 | New |
| MAI Capital Management | 185 | $8.91K | 0.00% | +180+3,600.0% | Added |
| Rothschild Investment LLC | 184 | $8.86K | 0.00% | +24+15.0% | Added |
| Versant Capital Management, Inc | 166 | $7.99K | 0.00% | 00.0% | Unchanged |
| J.Safra Asset Management Corp | 162 | $7.80K | 0.00% | +162 | New |
| Root Financial Partners, LLC | 135 | $6.50K | 0.00% | +127+1,587.5% | Added |
| Stone House Investment Management, LLC | 123 | $5.92K | 0.00% | +82+200.0% | Added |
| Russell Investments Group, Ltd. | 122 | $5.87K | 0.00% | −3,072−96.2% | Reduced |
| Quarry LP | 110 | $5.30K | 0.00% | −160−59.3% | Reduced |
| Nisa Investment Advisors, LLC | 105 | $5.06K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 82 | $3.95K | 0.00% | 00.0% | Unchanged |
| Basecamp Wealth Advisors LLC | 82 | $3.95K | 0.00% | +3+3.8% | Added |
| Kilter Group LLC | 61 | $2.94K | 0.00% | 00.0% | Unchanged |
| UMA Financial Services, Inc. | 53 | $2.55K | 0.00% | +22+71.0% | Added |
| Cornerstone Financial Management LLC | 43 | $2.07K | 0.00% | +11+34.4% | Added |
| Northwestern Mutual Wealth Management Co | 42 | $2.02K | 0.00% | +42 | New |
| Sunbelt Securities, Inc. | 42 | $2.02K | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 23 | $1.11K | 0.00% | +10+76.9% | Added |
| Avion Wealth | 24 | $1.00K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 20 | $963 | 0.00% | +17+566.7% | Added |
| Bare Financial Services, Inc | 16 | $770 | 0.00% | +16 | New |
| Caitong International Asset Management Co., Ltd | 15 | $722 | 0.00% | −316−95.5% | Reduced |
| SBI Securities Co., Ltd. | 10 | $482 | 0.00% | −90−90.0% | Reduced |
| Advisory Services Network, LLC | 8 | $385 | 0.00% | +8 | New |
| Assetmark, Inc | 5 | $241 | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 3 | $144 | 0.00% | 00.0% | Unchanged |
| Fairmount Funds Management LLC | 0 | $0 | 0.00% | −1,319,688−100.0% | Sold out |
| Logos Global Management LP | 0 | $0 | 0.00% | −350,000−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −242,430−100.0% | Sold out |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −224,074−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −208,300−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −143,293−100.0% | Sold out |
| Atika Capital Management LLC | 0 | $0 | 0.00% | −93,970−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −60,125−100.0% | Sold out |
| SummitTX Capital, L.P. | 0 | $0 | 0.00% | −48,808−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −35,889−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −27,804−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −23,496−100.0% | Sold out |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0 | $0 | 0.00% | −16,525−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −15,295−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −12,960−100.0% | Sold out |
| National Asset Management, Inc. | 0 | $0 | 0.00% | −11,993−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −11,249−100.0% | Sold out |
| Sheets Smith Wealth Management | 0 | $0 | 0.00% | −7,162−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −7,062−100.0% | Sold out |
| Quantedge Capital Pte Ltd | 0 | $0 | 0.00% | −6,545−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −6,466−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −6,136−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −5,869−100.0% | Sold out |
| Voya Investment Management LLC | 0 | $0 | 0.00% | −5,790−100.0% | Sold out |
| Holocene Advisors, LP | 0 | $0 | 0.00% | −5,715−100.0% | Sold out |
| Swiss Life Asset Management Ltd | 0 | $0 | 0.00% | −4,894−100.0% | Sold out |
| Asset Management One Co.,Ltd. | 0 | $0 | 0.00% | −4,282−100.0% | Sold out |
| Nano Cap New Millennium Growth Fund L P | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −155−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −139−100.0% | Sold out |
| Optima Capital LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Covestor Ltd | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |