Halozyme Therapeutics
Enables subcutaneous delivery of partner medicines through ENHANZE technology.
$105.06
After-hours close−0.29 (−0.28%)
At close$105.35(−1.47%)
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Breakdown13F · Form 4
Institutions 113.89%Insiders 0.92%
A 13F quarter can total more than the shares outstanding — sub-advisers file the same block twice, and a filer's own share count can be a quarter stale. No split is drawn from it.
Shares outstanding 118.61M · Float 117.28M · 98.9% free float
Institutions13F, as of Jun 30, 2026
683 holders · 135.09M shares · 109 new positions · 378 increased · 204 reduced · 75 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 13.27M | 11.19% | +6.0K | Aug 7, 2026 |
| Vanguard Capital Management LLC | 5.35M | 4.51% | +80.1K | Aug 13, 2026 |
| Vanguard Portfolio Management LLC | 5.30M | 4.47% | +49.8K | Aug 13, 2026 |
| State Street Corp | 5.18M | 4.37% | +241.6K | Aug 7, 2026 |
| Invesco Ltd. | 3.18M | 2.68% | −834.5K | Aug 14, 2026 |
| Morgan Stanley | 2.83M | 2.39% | +270.3K | Aug 13, 2026 |
| Boston Partners | 2.77M | 2.34% | +89.9K | Aug 4, 2026 |
| Bank of America Corp /DE/ | 2.74M | 2.31% | −172.5K | Aug 14, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 10.20% | 12.61M | 13G | Jul 17, 2025 ↗ |
| Vanguard Capital Management | 5.21% | 6.17M | 13G | Apr 30, 2026 ↗ |
| State Street Corporation | 5.20% | 6.64M | Oct 17, 2024 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Helen Torley | director, officer: PRESIDENT AND CEO | 767.8K | 0.65% | Aug 19, 2026 |
| Matthew L. Posard | director | 77.8K | 0.07% | May 7, 2026 |
| Mark Howard Snyder | officer: SVP, CHIEF LEGAL OFFICER | 49.9K | 0.04% | Jun 15, 2026 |
| Bernadette Connaughton | director | 40.4K | 0.03% | Aug 11, 2026 |
| Nicole LaBrosse | officer: SVP, CHIEF FINANCIAL OFFICER | 38.5K | 0.03% | Feb 24, 2026 |
| Jeffrey William Henderson | director | 36.6K | 0.03% | May 7, 2026 |
| Akiko Moni Miyashita | director | 24.9K | 0.02% | May 2, 2025 |
| Barbara Gayle Duncan | director | 23.7K | 0.02% | May 7, 2026 |
| Mahesh Krishnan | director | 14.5K | 0.01% | Jun 30, 2026 |
| Cortney Caudill | officer: SVP, CHIEF OPERATING OFFICER | 7.1K | 0.01% | Mar 10, 2026 |
4 ten-percent owners hold 10.73M shares by Form 4, outside the officers-and-directors figure above · 26 people have not refiled in the last 18 months (6.38M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 19, 2026 | Helen Torleydirector, officer: PRESIDENT AND CEO | Sale · 3 lots | 20,000 | $107.00 | 767,780 |
| Aug 18, 2026 | Helen Torleydirector, officer: PRESIDENT AND CEO | Sale · 3 lots | 20,000 | $104.18 | 767,780 |
| Aug 17, 2026 | Helen Torleydirector, officer: PRESIDENT AND CEO | Sale · 5 lots | 20,000 | $102.60 | 767,780 |
| Aug 10, 2026 | Bernadette Connaughtondirector | Sale | 1,626 | $102.80 | 40,418 |
| Jul 8, 2026 | Helen Torleydirector, officer: PRESIDENT AND CEO | Sale · 2 lots | 1,923 | $79.77 | 767,780 |
| Jul 1, 2026 | Bernadette Connaughtondirector | Sale · 2 lots | 1,625 | $76.71 | 42,044 |
| Jun 29, 2026 | Mahesh Krishnandirector | Sale | 7,304 | $75.00 | 14,462 |
| Jun 3, 2026 | Helen Torleydirector, officer: PRESIDENT AND CEO | Sale · 4 lots | 10,000 | $69.07 | 767,780 |
| Jun 2, 2026 | Helen Torleydirector, officer: PRESIDENT AND CEO | Sale · 2 lots | 20,000 | $66.39 | 767,780 |
| Jun 1, 2026 | Helen Torleydirector, officer: PRESIDENT AND CEO | Sale · 3 lots | 20,000 | $67.58 | 767,780 |
CongressHouse and Senate disclosures
Not reported.