ARWR — ARROWHEAD PHARMACEUTICALS, INC.
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 2016-01-04.
Performance
Technicals
Others in Healthcare
Measured signals that fired on ARWR
| date | signal | measured base rate |
|---|---|---|
| 2026-08-04 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-07-22 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-07-13 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-06-26 | Volume shock without a price move price | -1.33% over 21 days · t = -4.53 · n = 16,432 statistically distinguishable from its control group |
| 2026-06-18 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-06-02 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 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 |
|---|---|---|---|---|---|
| 2026-08-18 | PERRY MICHAEL S Director | Open-market sale | 11.6K | 87.30 | 1.0M |
| 2026-08-18 | OLUKOTUN ADEOYE Y Director | Open-market sale | 2.0K | 86.96 | 173.9K |
| 2026-06-15 | Cohen Matthew Gregory Director | Grant or award | 11.9K | 0.00 | 0 |
| 2026-05-12 | Lu Hongbo Director | Open-market sale 10b5-1 plan | 3.0K | 76.88 | 228.3K |
| 2026-04-23 | Hamilton James C Chief Medical Officer | Open-market sale 10b5-1 plan | 10.0K | 75.00 | 750.0K |
| 2026-04-22 | Apel Daniel Joseph Chief Financial Officer | Open-market sale 10b5-1 plan | 8.7K | 71.92 | 627.9K |
| 2026-04-22 | Apel Daniel Joseph Chief Financial Officer | Open-market sale 10b5-1 plan | 3.2K | 70.11 | 224.9K |
| 2026-04-22 | Apel Daniel Joseph Chief Financial Officer | Open-market sale 10b5-1 plan | 1.2K | 70.45 | 81.5K |
| 2026-03-05 | Hamilton James C Chief Medical Officer | Open-market sale 10b5-1 plan | 10.0K | 64.19 | 641.9K |
| 2026-01-06 | Hamilton James C Chief Medical Officer | Grant or award | 75.0K | 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 |
|---|---|---|
| BlackRock, Inc. | 1.1B | 18.2M |
| Avoro Capital Advisors LLC | 670.9M | 10.7M |
| FMR LLC | 455.6M | 7.3M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 448.1M | 7.1M |
| STATE STREET CORP | 407.3M | 6.5M |
| VANGUARD CAPITAL MANAGEMENT LLC | 378.2M | 6.0M |
| GEODE CAPITAL MANAGEMENT, LLC | 274.5M | 4.3M |
| FRED ALGER MANAGEMENT, LLC | 209.6M | 3.3M |
| Invesco Ltd. | 205.7M | 3.3M |
| Vestal Point Capital, LP | 142.6M | 2.3M |
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 | 2026-08-20 | 2026-08-18 | on EDGAR ↗ |
| 4 | 2026-08-20 | 2026-08-18 | on EDGAR ↗ |
| 144 | 2026-08-18 | — | on EDGAR ↗ |
| 144 | 2026-08-18 | — | on EDGAR ↗ |
| SCHEDULE 13G/A | 2026-08-14 | — | on EDGAR ↗ |
| 8-K | 2026-08-04 | 2026-08-04 | on EDGAR ↗ |
| 10-Q | 2026-08-04 | 2026-06-30 | on EDGAR ↗ |
| SCHEDULE 13G/A | 2026-07-31 | — | 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
- ARROWHEAD PHARMACEUTICALS, INC. (ARWR) filed form 4 · 2026-08-20 · SEC EDGAR
- ARROWHEAD PHARMACEUTICALS, INC. (ARWR) filed form 4 · 2026-08-20 · SEC EDGAR
- ARROWHEAD PHARMACEUTICALS, INC. (ARWR) filed form 144 · 2026-08-18 · SEC EDGAR
- ARROWHEAD PHARMACEUTICALS, INC. (ARWR) filed form 144 · 2026-08-18 · SEC EDGAR
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