KNSA · Company research
Kiniksa Pharmaceuticals International, plc Class A Ordinary Shares (KNSA): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
38records availableHealthcare
Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| Driehaus Capital Management LLC | 938206 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 718199 | 45928826 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Informed Momentum Co LLC | 1510989 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 55765 | 3566172 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Nuveen, LLC | 1871926 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9266 | 592561 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| GABELLI FUNDS LLC | 1081407 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3750 | 239813 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| KLP KAPITALFORVALTNING AS | 1717443 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8000 | 511600 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| PEREGRINE CAPITAL MANAGEMENT LLC | 764529 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 161464 | 10325623 | — | — | — | Jul 17, 2026 | SEC_13F_DATASET |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1081019 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2721648 | 42559 | — | — | — | Aug 24, 2026 | SEC_13F_DATASET |
| RHUMBLINE ADVISERS | 1115418 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 58529 | 3742918 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| NISA INVESTMENT ADVISORS, LLC | 937615 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 725 | 46364 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| AMERIPRISE FINANCIAL INC | 820027 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 31131 | 1990827 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BNP PARIBAS FINANCIAL MARKETS | 1166588 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 437192 | 27958428 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| LOS ANGELES CAPITAL MANAGEMENT LLC | 1177206 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 50786 | 3247766 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Catalyst Funds Management Pty Ltd | 1896150 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13400 | 856930 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Aster Capital Management (DIFC) Ltd | 2040915 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21398 | 592083 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Russell Investments Group, Ltd. | 1692234 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3384 | 216406 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| BAKER BROS. ADVISORS LP | 1263508 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2834643 | 181275420 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Hillsdale Investment Management Inc. | 1368465 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5760 | 368352 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | 1007280 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28955 | 1851672 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| GEODE CAPITAL MANAGEMENT, LLC | 1214717 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 543367 | 34744644 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Police & Firemen's Retirement System of New Jersey | 2040686 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12503 | 799567 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| Sterling Capital Management LLC | 1329883 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 149 | 9529 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| KORNITZER CAPITAL MANAGEMENT INC /KS | 898358 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20672 | 1321974 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| MARK SHEPTOFF FINANCIAL PLANNING, LLC | 1607355 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16000 | 1023200 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| STRS OHIO | 820478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18600 | 1189470 | — | — | — | Jul 30, 2026 | SEC_13F_DATASET |
| Cambridge Investment Research Advisors, Inc. | 1419186 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5184 | 332 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| China Universal Asset Management Co., Ltd. | 1906594 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7369 | 471248 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| MetLife Investment Management, LLC | 1529735 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24696 | 1579309 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SBI Securities Co., Ltd. | 1851815 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 74 | 4732 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| GF FUND MANAGEMENT CO. LTD. | 2057060 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 973 | 62223 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Bank of New York Mellon Corp | 1390777 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 66343 | 4242635 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| HUNTINGTON NATIONAL BANK | 49205 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 65 | 4157 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| OREGON PUBLIC EMPLOYEES RETIREMENT FUND | 1107314 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2324 | 148620 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| SEGALL BRYANT & HAMILL, LLC | 1006378 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 71901 | 4598069 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| OBERWEIS ASSET MANAGEMENT INC/ | 937886 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 413034 | 26413524 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| AMERIPRISE FINANCIAL INC | 820027 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 30774 | 1481768 | — | — | — | Jul 17, 2026 | SEC_13F_DATASET |
| Jump Financial, LLC | 1831577 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 112930 | 4385072 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Jump Financial, LLC | 1831577 | Mon Jun 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 210700 | 5830069 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| ALGERT GLOBAL LLC | 1275218 | Sun Mar 31 2024 00:00:00 GMT+0000 (Coordinated Universal Time) | 10447 | 206119 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.