Kiniksa Pharmaceuticals International, plc KNSA
93.86 USD +5.52 (+6.25%)
At closeNov 6, 2026, 5:36 PM EST
95.00 +1.14 +1.21%
After hours · Nov 6, 5:36 PM ET
88.41 Day range 94.48
37.92 52-week range 97.56
- YTD
- +127.54%
- 1 year
- +142.97%
Held by funds
139 US ETFs and mutual funds hold KNSA · largest positions
Ownership
Held by insiders 3.46%
Held by institutions 101.99%
Float held by institutions 105.64%
Institutions 406
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| FMR, LLC | 17.30% | 6,971,361 | 654.33M | Jun 29, 2026 |
| Rubric Capital Management LP | 9.92% | 3,999,800 | 375.42M | Jun 29, 2026 |
| Baker Bros. Advisors, LP | 7.03% | 2,834,643 | 266.06M | Jun 29, 2026 |
| Blackrock Inc. | 6.80% | 2,739,615 | 257.14M | Jun 29, 2026 |
| Tang Capital Management, LLC | 5.61% | 2,259,889 | 212.11M | Jun 29, 2026 |
| Vanguard Portfolio Management LLC | 4.74% | 1,911,335 | 179.40M | 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 | 123.75M | Jun 29, 2026 |
| iShares Trust-iShares Russell 2000 ETF | 2.93% | 1,180,466 | 110.80M | Sep 29, 2026 |
| Fidelity Select Portfolios-Select Health Care Portfolio | 2.58% | 1,040,000 | 97.61M | Sep 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund | 2.37% | 954,719 | 89.61M | Jun 29, 2026 |
| Fidelity Rutland Square TRT II-Strategic Advisers Fidelity U.S. Total | 1.89% | 761,824 | 71.50M | Sep 29, 2026 |
| Fidelity Select Portfolios-Select Biotechnology Portfolio | 1.58% | 637,600 | 59.85M | Sep 29, 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 |