Health Care · Pharmaceutical Preparations · Nasdaq · CIK 879407 · FYE Sep 30 · Prices AT CLOSE 2026-08-19 (USD) Last $89.41 · Day +1.72% · Mkt cap $12.4B · 1Y +350.2% · Off 52W high −6.4% · Vol (1Y) 63.7% Price2023-08-21 → 2026-08-19 ARWR close: $28.7 on 2023-08-21 to $89.4 on 2026-08-19. Split-adj closes · 240 of 5,308 · price returnⓘ At a glance | Short interest6.8% of sh out | | Days to cover3.9d | | 13F net flow (QoQ)+5.43% | | Top-10 13F concentration57.1% | | Next report (est.)2026-11-03 |
SI 2026-07-31 · 13F 2026-Q1ⓘ Key fundamentalsFY 2025 | Sales (TTM)$669.5M | | Earnings (TTM)-$320.0M | | ROE−0.5% | | Net margin−0.2% | | Sales growth 3Y50.5% |
FY ratios · TTM sales/earnings (USD)ⓘ Trailing returns | YTD+34.7% | | 1Y+350.2% | | 3Y+211.8% | | 5Y+53.2% | | 10Y+1092.1% | | Since incept. (ann.)+5.7% |
Total return · from 2005-07-11ⓘ Risk | Ann. volatility (1Y)63.7% | | Ann. volatility (3Y)66.0% | | Sharpe (1Y)2.70 | | Sharpe (3Y)0.92 | | Max drawdown (1Y)−24.6% | | Max drawdown (3Y)−74.7% | | Beta (3Y vs SPY)2.05 |
Daily returns, ann.ⓘ Top institutional holders13F 2026-Q1 | Manager | Shares | Value | % sh out | QoQ |
|---|
| BlackRock, Inc. | 18.2M | $1.1B | 12.97% | −14.8% | | Avoro Capital Advisors LLC | 10.7M | $671M | 7.64% | +0.7% | | FMR LLC | 7.3M | $456M | 5.19% | +11.4% | | VANGUARD PORTFOLIO MANAGEMENT LLC | 7.1M | $448M | 5.10% | new | | STATE STREET CORP | 6.5M | $407M | 4.64% | +1.4% | | VANGUARD CAPITAL MANAGEMENT LLC | 6.0M | $378M | 4.31% | new | | GEODE CAPITAL MANAGEMENT, LLC | 4.3M | $275M | 3.06% | +31.1% | | FRED ALGER MANAGEMENT, LLC | 3.3M | $210M | 2.39% | +82.4% |
Δ vs 2025-Q4ⓘ Latest reported quarterslast report 2026-08-04 | Period end | Reported | EPS | EPS YoY | Revenue | Rev YoY |
|---|
| 2026-06-30 | 2026-08-04 | −$1.36 | — | $75.3M | +171.0% | | 2026-03-31 | 2026-05-07 | −$0.93 | −133.8% | $73.7M | −86.4% | | 2025-12-31 | 2026-02-05 | $0.22 | — | $264.0M | +10461.3% | | 2025-09-30 | 2025-11-25 | — | — | $256.5M | — |
As-reported XBRL · next 2026-11-03 est.ⓘ Basis & disclosures - EOD closes · nothing imputed or averaged · absent “—”
- As-of differs by block · 13F = US long, 45+d lag, LOWER bound
- Not investment advice · no recommendation, price target or solicitation
- EDGAR + foreign registers · marketstack (licensed EOD) · spzco.com/methodology
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