BioAtla, Inc.
BCAB- Exchange
- OTC
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001826892
No open-market purchases or sales by BioAtla, Inc. insiders were filed in the last 90 days; 21 institutions reported holding it in 13F filings for Q2 2026, worth $1.22M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in BioAtla, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 36
- −3 vs. Q4 2025
- Shares held
- 15.7M
- +4.44M (+39.5%) vs. Q4 2025
- Total value
- $2.52M
- −$3.87M (−60.6%) vs. Q4 2025
- New holders
- 8
- 9 more added
- Sold out
- 11
- 9 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting BCAB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 21 | $1.22M |
| Q1 2026 | 36 | $2.52M |
| Q4 2025 | 41 | $7.49M |
| Q3 2025 | 43 | $9.19M |
| Q2 2025 | 39 | $5.21M |
| Q1 2025 | 43 | $4.77M |
| Q4 2024 | 67 | $14.2M |
| Q3 2024 | 65 | $31.0M |
| Q2 2024 | 80 | $30.4M |
| Q1 2024 | 84 | $87.2M |
| Q4 2023 | 79 | $66.6M |
| Q3 2023 | 82 | $51.3M |
| Q2 2023 | 87 | $96.1M |
| Q1 2023 | 81 | $87.6M |
| Q4 2022 | 91 | $279.2M |
| Q3 2022 | 73 | $191.5M |
| Q2 2022 | 80 | $67.1M |
| Q1 2022 | 97 | $127.7M |
| Q4 2021 | 81 | $518.4M |
| Q3 2021 | 87 | $746.4M |
| Q2 2021 | 76 | $897.0M |
| Q1 2021 | 62 | $964.6M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding BioAtla, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Acorn Capital Advisors, LLC | 5,406,345 | $865.0K | 0.25% | +571,234+11.8% | Added |
| Millennium Management LLC | 2,756,674 | $443.8K | 0.00% | +1,994,280+261.6% | Added |
| Vanguard Capital Management LLC | 1,649,252 | $265.5K | 0.00% | +1,649,252 | New |
| Acadian Asset Management LLC | 1,233,919 | $198.0K | 0.00% | +476,248+62.9% | Added |
| Geode Capital Management, LLC | 689,182 | $111.0K | 0.00% | +188,854+37.7% | Added |
| Deutsche Bank AG | 525,352 | $84.1K | 0.00% | −10.0% | Reduced |
| Renaissance Technologies LLC | 510,514 | $82.2K | 0.00% | −196,700−27.8% | Reduced |
| BlackRock, Inc. | 480,931 | $77.4K | 0.00% | −20.0% | Reduced |
| Citadel Advisors LLC | 435,675 | $70.1K | 0.00% | +435,675 | New |
| UBS Group AG | 375,569 | $60.5K | 0.00% | +149,885+66.4% | Added |
| Marshall Wace, LLP | 277,630 | $44.4K | 0.00% | −613,950−68.9% | Reduced |
| Vanguard Fiduciary Trust Co | 273,427 | $44.0K | 0.00% | +273,427 | New |
| ADAR1 Capital Management, LLC | 228,107 | $36.7K | 0.00% | +45,000+24.6% | Added |
| State Street Corp | 151,377 | $24.4K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 103,494 | $16.7K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 73,901 | $11.9K | 0.00% | −46,490−38.6% | Reduced |
| Stonepine Capital Management, LLC | 65,387 | $10.5K | 0.01% | +65,387 | New |
| XTX Topco Ltd | 56,614 | $9.12K | 0.00% | −3,781−6.3% | Reduced |
| Morgan Stanley | 55,426 | $8.92K | 0.00% | +11,773+27.0% | Added |
| MAI Capital Management | 51,504 | $8.29K | 0.00% | 00.0% | Unchanged |
| Kestra Advisory Services, LLC | 44,250 | $7.12K | 0.00% | +44,250 | New |
| Susquehanna International Group, LLP | 39,056 | $6.29K | 0.00% | −42,631−52.2% | Reduced |
| StoneX Group Inc. | 29,466 | $4.74K | 0.00% | +29,466 | New |
| Commonwealth Equity Services, LLC | 25,300 | $4.07K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 23,142 | $3.73K | 0.00% | −323,632−93.3% | Reduced |
| Magnus Financial Group LLC | 20,000 | $3.22K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 16,996 | $2.74K | 0.00% | +11,678+219.6% | Added |
| Vanguard Global Advisers, LLC | 16,635 | $2.68K | 0.00% | +16,635 | New |
| Mariner, LLC | 16,000 | $2.58K | 0.00% | +16,000 | New |
| Torrey Growth & Income Advisors | 15,687 | $2.36K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 11,124 | $1.79K | 0.00% | +2,334+26.6% | Added |
| Twin Lakes Capital Management, LLC | 7,200 | $1.16K | 0.00% | −1,800−20.0% | Reduced |
| Jones Financial Companies LLLP | 2,000 | $306 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 500 | $80 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 472 | $76 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 129 | $20 | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −81,330−100.0% | Sold out |
| PVG Asset Management Corp | 0 | $0 | 0.00% | −69,000−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −54,742−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −55,460−100.0% | Sold out |
| Columbia Advisory Partners LLC | 0 | $0 | 0.00% | −26,070−100.0% | Sold out |
| Global Wealth Strategies & Associates | 0 | $0 | 0.00% | −13,769−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −13,000−100.0% | Sold out |
| Arcadia Investment Management Corp | 0 | $0 | 0.00% | −1,403−100.0% | Sold out |
| Tucker Asset Management LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −432−100.0% | Sold out |
| Avion Wealth | 0 | $0 | 0.00% | −490−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |