Delisting risk
BioAtla
Developer of pH-sensitive CAB oncology biologics.
$1.76
After-hours close−0.01 (−0.56%)
At close$1.77(−43.63%)
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Breakdown13F · Form 4
Institutions 18.53%307.6K sharesInsiders 5.68%94.3K sharesOther 75.79%1.26M shares
Shares outstanding 1.66M · Float 1.37M · 82.5% free float
Institutions13F, as of Mar 31, 2026
36 holders · 307.6K shares · 7 new positions · 16 increased · 8 reduced · 14 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Acorn Capital Advisors, LLC | 108.1K | 6.52% | +11.4K | May 15, 2026 |
| Millennium Management LLC | 55.1K | 3.32% | +39.9K | May 15, 2026 |
| Vanguard Capital Management LLC | 33.0K | 1.99% | +33.0Knew | May 15, 2026 |
| Acadian Asset Management LLC | 24.7K | 1.49% | +9.5K | May 13, 2026 |
| Geode Capital Management, LLC | 13.8K | 0.83% | +3.8K | May 15, 2026 |
| Deutsche Bank AG\ | 10.5K | 0.63% | 0 | May 6, 2026 |
| Renaissance Technologies LLC | 10.2K | 0.62% | −3.9K | May 14, 2026 |
| BlackRock, Inc. | 9.6K | 0.58% | 0 | May 13, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Highbridge Capital Management, LLC | 7.70% | 13G | Apr 25, 2025 ↗ | |
| Jay M. Short | 6.60% | 13G | Feb 7, 2025 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Jay M. Phd Short | director, officer: Chief Executive Officer | 52.3K | 3.15% | Jun 5, 2026 |
| Eric Sievers | officer: Chief Medical Officer | 11.8K | 0.71% | Jun 5, 2026 |
| Christian Vasquez | officer: Chief Financial Officer | 10.3K | 0.62% | Jun 5, 2026 |
| Richard A. Waldron | officer: Former Chief Financial Officer | 6.9K | 0.41% | Mar 2, 2026 |
| Scott Andrew Smith | director | 6.4K | 0.39% | Jun 18, 2025 |
| Lawrence Steinman | director | 1.6K | 0.09% | Jun 18, 2025 |
| Mary Ann Gray | director | 1.5K | 0.09% | Jun 18, 2025 |
| Eddie Williams | director | 1.2K | 0.07% | Jun 18, 2025 |
| Sylvia Mcbrinn | director | 1.2K | 0.07% | Jun 18, 2025 |
| Susan Moran | director | 1.0K | 0.06% | Jun 18, 2025 |
3 ten-percent owners hold 74.6K shares by Form 4, outside the officers-and-directors figure above · 2 people have not refiled in the last 18 months (25.1K shares), so they are not in the figure above
Latest trades
No open-market trades in the last 12 months.
CongressHouse and Senate disclosures
Not reported.