KNSA — Kiniksa Pharmaceuticals International, plc
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2018-05-24.
Performance
Technicals
Others in Healthcare
Measured signals that fired on KNSA
| date | signal | measured base rate |
|---|---|---|
| 2026-08-03 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-07-28 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-06-23 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-06-12 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-05-19 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-05-11 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-19 | Quart Barry D Director | Gift | 2.6K | 0.00 | 0 |
| 2026-08-01 | Levy Richard S Director | Option exercise | 403 | — | — |
| 2026-07-29 | Cole G Bradley Director | Open-market sale | 3.7K | 81.43 | 299.1K |
| 2026-07-29 | Cole G Bradley Director | Gift | 4.5K | 0.00 | 0 |
| 2026-06-01 | Patel Sanj K CHAIRMAN & CEO | Conversion | 900.0K | — | — |
| 2026-05-29 | BAKER FELIX Director | Grant or award | 6.1K | 0.00 | 0 |
| 2026-05-29 | BAKER JULIAN Director | Grant or award | 6.1K | 0.00 | 0 |
| 2026-05-29 | BAKER BROS. ADVISORS LP Director | Grant or award | 6.1K | 0.00 | 0 |
| 2026-05-29 | BAKER BROS. ADVISORS LP Director | Grant or award | 6.1K | 0.00 | 0 |
| 2026-05-29 | BAKER FELIX Director | Grant or award | 6.1K | 0.00 | 0 |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| FMR LLC | 328.6M | 6.8M |
| Rubric Capital Management LP | 180.6M | 3.8M |
| BAKER BROS. ADVISORS LP | 136.1M | 2.8M |
| TANG CAPITAL MANAGEMENT LLC | 108.8M | 2.3M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 85.0M | 1.8M |
| VANGUARD CAPITAL MANAGEMENT LLC | 64.2M | 1.3M |
| MORGAN STANLEY | 48.0M | 997.8K |
| D. E. Shaw & Co., Inc. | 46.2M | 959.3K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 43.0M | 892.7K |
| DIMENSIONAL FUND ADVISORS LP | 39.1M | 811.9K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 4 | 2026-08-21 | 2026-08-19 | on EDGAR ↗ |
| 4 | 2026-08-04 | 2026-08-01 | on EDGAR ↗ |
| 4 | 2026-07-31 | 2026-07-29 | on EDGAR ↗ |
| 144 | 2026-07-29 | — | on EDGAR ↗ |
| 144 | 2026-07-29 | — | on EDGAR ↗ |
| SCHEDULE 13G | 2026-07-29 | — | on EDGAR ↗ |
| 10-Q | 2026-07-28 | 2026-06-30 | on EDGAR ↗ |
| 8-K | 2026-07-28 | 2026-07-28 | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- Kiniksa Pharmaceuticals International, plc (KNSA) filed form 4 · 2026-08-21 · SEC EDGAR
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