HALO — HALOZYME THERAPEUTICS, 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 HALO
| date | signal | measured base rate |
|---|---|---|
| 2026-08-07 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-08-05 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-07-24 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-07-24 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 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 |
| 2026-07-07 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 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 | Torley Helen PRESIDENT AND CEO | Open-market sale 10b5-1 plan | 9.6K | 107.22 | 1.0M |
| 2026-08-19 | Torley Helen PRESIDENT AND CEO | Open-market sale 10b5-1 plan | 7.2K | 106.36 | 765.8K |
| 2026-08-19 | Torley Helen PRESIDENT AND CEO | Option exercise 10b5-1 plan | 20.0K | 18.41 | 368.2K |
| 2026-08-19 | Torley Helen PRESIDENT AND CEO | Open-market sale 10b5-1 plan | 3.2K | 107.77 | 344.8K |
| 2026-08-18 | Torley Helen PRESIDENT AND CEO | Open-market sale 10b5-1 plan | 9.4K | 104.87 | 985.8K |
| 2026-08-18 | Torley Helen PRESIDENT AND CEO | Open-market sale 10b5-1 plan | 5.7K | 103.08 | 587.9K |
| 2026-08-18 | Torley Helen PRESIDENT AND CEO | Open-market sale 10b5-1 plan | 4.9K | 104.11 | 509.8K |
| 2026-08-18 | Torley Helen PRESIDENT AND CEO | Option exercise 10b5-1 plan | 20.0K | 18.41 | 368.2K |
| 2026-08-17 | Torley Helen PRESIDENT AND CEO | Open-market sale 10b5-1 plan | 9.0K | 102.55 | 923.0K |
| 2026-08-17 | Torley Helen PRESIDENT AND CEO | Open-market sale 10b5-1 plan | 7.5K | 103.48 | 776.1K |
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. | 857.3M | 13.3M |
| VANGUARD CAPITAL MANAGEMENT LLC | 340.7M | 5.3M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 339.3M | 5.2M |
| STATE STREET CORP | 319.1M | 4.9M |
| Invesco Ltd. | 259.3M | 4.0M |
| BANK OF AMERICA CORP /DE/ | 188.3M | 2.9M |
| Boston Partners | 173.4M | 2.7M |
| MORGAN STANLEY | 165.6M | 2.6M |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 163.3M | 2.5M |
| GEODE CAPITAL MANAGEMENT, LLC | 162.0M | 2.5M |
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 | |
|---|---|---|---|
| 3 | 2026-08-21 | 2026-08-14 | on EDGAR ↗ |
| 4 | 2026-08-19 | 2026-08-17 | on EDGAR ↗ |
| 8-K | 2026-08-18 | 2026-08-14 | on EDGAR ↗ |
| 144 | 2026-08-17 | — | on EDGAR ↗ |
| 144 | 2026-08-11 | — | on EDGAR ↗ |
| 4 | 2026-08-11 | 2026-08-10 | on EDGAR ↗ |
| 144 | 2026-08-10 | — | on EDGAR ↗ |
| 10-Q | 2026-08-06 | 2026-06-30 | 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
- HALOZYME THERAPEUTICS, INC. (HALO) filed form 3 · 2026-08-21 · SEC EDGAR
- Halozyme Therapeutics, Inc. (HALO) filed form 8-K · 2026-08-18 · SEC EDGAR
- Halozyme Appoints Dannielle Appelhans to its Board of Directors · 2026-08-18
- Halozyme (HALO) Q2 2026 Earnings Call Transcript · 2026-08-13
- What Halozyme Therapeutics (HALO) Guidance Raise Means For Valuation - simplywall.st · 2026-08-11 · simplywall.st
- Natera, Doximity, PubMatic, Airbnb And Other Big Stocks Moving Higher On Friday · 2026-08-07 · benzinga
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