BIOATLA INC BCAB
COM NEW · Common Stock · CUSIP 09077B203
- SectorHealth care
- IndustryBiological Products, (No Diagnostic Substances)
- HeadquartersSan Diego, CA
- FilingsSEC EDGAR
20
institutional holders
+18 vs Q1 2026
187.4k
shares reported held*
$773.0kreported value*
19 new
0 added
1 reduced
1 sold out
net sold ≈ $420.2k (-101.3k shares)
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $4.12.
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q1 2026 | 2 |
| Q2 2026 | 20 |
Biggest buyers
| MILLENNIUM MANAGEMENT LLC | New | +70.6k |
| Lido Advisors, LLC | New | +16.7k |
| Stonepine Capital Management, LLC | New | +16.4k |
| ACADIAN ASSET MANAGEMENT LLC | New | +14.3k |
| HRT FINANCIAL LP | New | +13.3k |
| GEODE CAPITAL MANAGEMENT, LLC | New | +12.8k |
| DEUTSCHE BANK AG\ | New | +10.6k |
| BlackRock, Inc. | New | +9.6k |
| VANGUARD CAPITAL MANAGEMENT LLC | New | +9.2k |
| UBS Group AG | New | +6.2k |
Biggest sellers
| MARSHALL WACE, LLP | Sold out | -277.6k |
| SBI Securities Co., Ltd. | Reduced | -10.9k |
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
None reported since 1 Apr 2026.
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 70.6k $292.4k | New |
| Lido Advisors, LLC 0.00% of their portfolio | 16.7k $69.0k | New |
| Stonepine Capital Management, LLC 0.05% of their portfolio | 16.4k $68.0k | New |
| ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio | 14.3k $58.0k | New |
| HRT FINANCIAL LP 0.00% of their portfolio | 13.3k $54.0k | New |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 12.8k $53.1k | New |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 10.6k $43.7k | New |
| BlackRock, Inc. 0.00% of their portfolio | 9.6k $39.8k | New |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 9.2k $37.9k | New |
| UBS Group AG 0.00% of their portfolio | 6.2k $25.7k | New |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 4.7k $19.6k | New |
| MORGAN STANLEY 0.00% of their portfolio | 1.1k $4.6k | New |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 863 $3.6k | New |
| Forum Finance Group S.A. 0.00% of their portfolio | 400 $1.0k | New |
| SBI Securities Co., Ltd. 0.00% of their portfolio | 267 $1.1k | Reduced -10.9k |
| Twin Lakes Capital Management, LLC 0.00% of their portfolio | 144 $596 | New |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 121 $464 | New |
| BARCLAYS PLC 0.00% of their portfolio | 101 $418 | New |
| JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio | 40 $147 | New |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 7 $29 | New |