Kiniksa Pharmaceuticals International, plc KNSA
96.12 USD +2.83 (+3.03%)
At closeNov 4, 2026, 4:26 PM EST
96.12 0.00 0.00%
After hours · Nov 4, 4:26 PM ET
91.74 Day range 96.28
37.02 52-week range 98.48
- YTD
- +133.02%
- 1 year
- +149.40%
Held by funds
139 US ETFs and mutual funds hold KNSA · largest positions
Ownership
Held by insiders 3.47%
Held by institutions 102.07%
Float held by institutions 105.74%
Institutions 404
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| FMR, LLC | 17.30% | 6,971,361 | 670.09M | Jun 29, 2026 |
| Rubric Capital Management LP | 9.92% | 3,999,800 | 384.46M | Jun 29, 2026 |
| Baker Bros. Advisors, LP | 7.03% | 2,834,643 | 272.47M | Jun 29, 2026 |
| Blackrock Inc. | 6.80% | 2,739,615 | 263.33M | Jun 29, 2026 |
| Tang Capital Management, LLC | 5.61% | 2,259,889 | 217.22M | Jun 29, 2026 |
| Vanguard Portfolio Management LLC | 4.74% | 1,911,335 | 183.72M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 3.27% | 1,318,452 | 126.73M | Jun 29, 2026 |
| iShares Trust-iShares Russell 2000 ETF | 2.93% | 1,180,466 | 113.47M | Sep 29, 2026 |
| Fidelity Select Portfolios-Select Health Care Portfolio | 2.41% | 970,000 | 93.24M | Aug 30, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund | 2.37% | 954,719 | 91.77M | Jun 29, 2026 |
| Fidelity Rutland Square TRT II-Strategic Advisers Fidelity U.S. Total | 1.68% | 676,146 | 64.99M | Aug 30, 2026 |
| Fidelity Select Portfolios-Select Biotechnology Portfolio | 1.58% | 637,600 | 61.29M | Aug 30, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| BAKER BROS ADVISORS L.P. | Unknown | Stock Award(Grant) | May 28, 2026 | 0 |
| BAKER BROTHERS LIFE SCIENCES, L.P. | Director | Stock Award(Grant) | Jun 2, 2025 | 0 |
| LEVY RICHARD S | Director | Conversion of Exercise of derivative security | Jul 30, 2026 | 22,359 |
| MALLEY THOMAS ROBERT | Director | Conversion of Exercise of derivative security | May 28, 2026 | 87,312 |
| MCCAIN TRACEY LORENE | Director | Conversion of Exercise of derivative security | May 28, 2026 | 15,345 |
| PAOLINI JOHN F | Officer | Sale | Nov 1, 2026 | 69,922 |