BioAtla, Inc. - BCAB
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | History | No change | 1,945,795 | 1,105 | 0.0% | 0.0% | 1 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| ACORN CAPITAL ADVISORS, LLC | History | Added to | 5,406,345 | 865 | 0.25% | 0.93% | 2 | +571,234 | 11.81% | Q1 2026 | May 15, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Added to | 2,756,674 | 443 | 0.0% | 0.0% | 3 | +1,994,280 | 261.58% | Q1 2026 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 1,649,252 | 265 | 0.0% | — | 4 | +1,649,252 | New | Q1 2026 | May 15, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Added to | 1,233,919 | 198 | 0.0% | 0.0% | 5 | +476,248 | 62.86% | Q1 2026 | May 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 689,182 | 110 | 0.0% | 0.0% | 6 | +188,854 | 37.75% | Q1 2026 | May 15, 2026 |
| DEUTSCHE BANK AG\ | History | Reduced | 525,352 | 84 | 0.0% | 0.0% | 7 | -1 | 0.0% | Q1 2026 | May 06, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 510,514 | 82 | 0.0% | 0.0% | 8 | -196,700 | -27.81% | Q1 2026 | May 14, 2026 |
| BlackRock, Inc. | History | Reduced | 480,931 | 77 | 0.0% | 0.0% | 9 | -2 | -0.0% | Q1 2026 | May 13, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 473,575 | 76 | 0.0% | 0.0% | 10 | +462,275 | 4090.93% | Q1 2026 | May 15, 2026 |
| UBS Group AG | History | Added to | 375,569 | 60 | 0.0% | 0.0% | 11 | +149,885 | 66.41% | Q1 2026 | May 05, 2026 |
| MARSHALL WACE, LLP | History | Reduced | 277,630 | 44 | 0.0% | 0.0% | 12 | -613,950 | -68.86% | Q1 2026 | May 14, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 273,427 | 44 | 0.0% | — | 13 | +273,427 | New | Q1 2026 | May 08, 2026 |
| PVG ASSET MANAGEMENT CORP | History | No change | 69,000 | 39 | 0.08% | 0.08% | 14 | 0 | 0.0% | Q4 2025 | Jan 30, 2026 |
| ADAR1 Capital Management, LLC | History | Added to | 228,107 | 36 | 0.0% | 0.01% | 15 | +45,000 | 24.58% | Q1 2026 | May 15, 2026 |
| STATE STREET CORP | History | No change | 151,377 | 24 | 0.0% | 0.0% | 16 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| NORTHERN TRUST CORP | History | No change | 103,494 | 16 | 0.0% | 0.0% | 17 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| JANE STREET GROUP, LLC | History | Reduced | 93,342 | 15 | 0.0% | 0.0% | 18 | -253,432 | -73.08% | Q1 2026 | May 12, 2026 |
| SIMPLEX TRADING, LLC | History | Reduced | 73,901 | 11 | 0.0% | 0.0% | 19 | -46,490 | -38.62% | Q1 2026 | May 14, 2026 |
| Stonepine Capital Management, LLC | History | New | 65,387 | 10 | 0.0% | — | 20 | +65,387 | New | Q1 2026 | May 14, 2026 |
| XTX Topco Ltd | History | Reduced | 56,614 | 9 | 0.0% | 0.0% | 21 | -3,781 | -6.26% | Q1 2026 | May 15, 2026 |
| MORGAN STANLEY | History | Added to | 55,426 | 8 | 0.0% | 0.0% | 22 | +11,773 | 26.97% | Q1 2026 | May 15, 2026 |
| MAI Capital Management | History | No change | 51,504 | 8 | 0.0% | 0.0% | 23 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Kestra Advisory Services, LLC | History | New | 44,250 | 7 | 0.0% | — | 24 | +44,250 | New | Q1 2026 | Apr 30, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Reduced | 39,056 | 6 | 0.0% | 0.0% | 25 | -42,631 | -52.19% | Q1 2026 | May 15, 2026 |
| StoneX Group Inc. | History | New | 29,466 | 4 | 0.0% | — | 27 | +29,466 | New | Q1 2026 | May 14, 2026 |
| COMMONWEALTH EQUITY SERVICES, LLC | History | No change | 25,300 | 4 | 0.0% | 0.0% | 26 | 0 | 0.0% | Q1 2026 | Apr 27, 2026 |
| Magnus Financial Group LLC | History | No change | 20,000 | 3 | 0.0% | 0.0% | 28 | 0 | 0.0% | Q1 2026 | Apr 10, 2026 |
| Vanguard Global Advisers, LLC | History | New | 16,635 | 2 | 0.0% | — | 32 | +16,635 | New | Q1 2026 | May 08, 2026 |
| Mariner, LLC | History | New | 16,000 | 2 | 0.0% | — | 31 | +16,000 | New | Q1 2026 | May 13, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 16,996 | 2 | 0.0% | 0.0% | 29 | +11,678 | 219.59% | Q1 2026 | May 15, 2026 |
| Torrey Growth & Income Advisors | History | No change | 15,687 | 2 | 0.0% | 0.0% | 30 | 0 | 0.0% | Q1 2026 | Apr 21, 2026 |
| SBI Securities Co., Ltd. | History | Added to | 11,124 | 1 | 0.0% | 0.0% | 34 | +2,334 | 26.55% | Q1 2026 | Apr 27, 2026 |
| Twin Lakes Capital Management, LLC | History | Reduced | 7,200 | 1 | 0.0% | 0.0% | 33 | -1,800 | -20.0% | Q1 2026 | May 18, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -81,330 | -100.0% | Q1 2026 | May 15, 2026 |
| Virtu Financial LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -55,460 | -100.0% | Q1 2026 | May 14, 2026 |
| HRT FINANCIAL LP | History | Closed out | 0 | 0 | — | 0.0% | — | -54,742 | -100.0% | Q1 2026 | May 14, 2026 |
| COLUMBIA ADVISORY PARTNERS LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -26,070 | -100.0% | Q1 2026 | Apr 23, 2026 |
| Global Wealth Strategies & Associates | History | Closed out | 0 | 0 | — | 0.0% | — | -13,769 | -100.0% | Q1 2026 | Apr 03, 2026 |
| HighTower Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -13,000 | -100.0% | Q1 2026 | May 05, 2026 |
| ARCADIA INVESTMENT MANAGEMENT CORP/MI | History | Closed out | 0 | 0 | — | — | — | -1,403 | -100.0% | Q1 2026 | Apr 22, 2026 |
| Avion Wealth | History | Closed out | 0 | 0 | — | — | — | -490 | -100.0% | Q1 2026 | May 01, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Closed out | 0 | 0 | — | — | — | -432 | -100.0% | Q1 2026 | May 15, 2026 |
| JPMORGAN CHASE & CO | History | No change | 129 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | No change | 2,000 | 0 | — | 0.0% | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | No change | 472 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 12, 2026 |
| CIBC Private Wealth Group LLC | History | No change | 1,290 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 500 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| TUCKER ASSET MANAGEMENT LLC | History | No change | 500 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 05, 2026 |