Reported 1,945,795 shares, unchanged from the prior quarter.
Reported value -17.4%; share count 0.0% vs. the prior quarter.
Reported position value by quarter
Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.
| Date | Holding Value |
|---|---|
| 2021-03-31 | 51048000 |
| 2021-06-30 | 44410000 |
| 2021-09-30 | 61501000 |
| 2021-12-31 | 44454000 |
| 2022-03-31 | 7782000 |
| 2022-06-30 | 3262000 |
| 2022-09-30 | 10843000 |
| 2022-12-31 | 15931072 |
| 2023-03-31 | 5154645 |
| 2023-06-30 | 6293100 |
| 2023-09-30 | 3573937 |
| 2023-12-31 | 5120171 |
| 2024-03-31 | 7220687 |
| 2024-06-30 | 2582795 |
| 2024-09-30 | 3318044 |
| 2024-12-31 | 1082993 |
| 2025-03-31 | 630846 |
| 2025-06-30 | 706126 |
| 2025-09-30 | 1338707 |
| 2025-12-31 | 1105212 |
Quarterly position history
How this manager's reported quarter-end position changed over time.
| Quarter | Activity | Shares | Change | % of reported 13F | Reported value | Filed | Source filing |
|---|---|---|---|---|---|---|---|
| Q4 2025 | Unchanged | 1,945,795 | 0 (0.0%) | < 0.01% | $1,105,212 | 2026-01-29 | |
| Q3 2025 | Added | 1,945,795 | +162,647 (9.1%) | < 0.01% | $1,338,707 | 2025-11-07 | |
| Q2 2025 | Reduced | 1,783,148 | -34,854 (-1.9%) | < 0.01% | $706,126 | 2025-08-11 | |
| Q1 2025 | Reduced | 1,818,002 | -14,474 (-0.8%) | < 0.01% | $630,846 | 2025-05-09 | |
| Q4 2024 | Reduced | 1,832,476 | -52,776 (-2.8%) | < 0.01% | $1,082,993 | 2025-02-11 | |
| Q3 2024 | Unchanged | 1,885,252 | 0 (0.0%) | < 0.01% | $3,318,044 | 2024-11-13 | |
| Q2 2024 | Reduced | 1,885,252 | -213,785 (-10.2%) | < 0.01% | $2,582,795 | 2024-08-13 | |
| Q1 2024 | Added | 2,099,037 | +17,667 (0.8%) | < 0.01% | $7,220,687 | 2024-05-10 | |
| Q4 2023 | Reduced | 2,081,370 | -20,946 (-1.0%) | < 0.01% | $5,120,171 | 2024-02-14 | |
| Q3 2023 | Added | 2,102,316 | +4,616 (0.2%) | < 0.01% | $3,573,937 | 2023-11-14 | |
| Q2 2023 | Added | 2,097,700 | +174,325 (9.1%) | < 0.01% | $6,293,100 | 2023-08-14 | |
| Q1 2023 | Reduced | 1,923,375 | -7,664 (-0.4%) | < 0.01% | $5,154,645 | 2023-05-15 | |
| Q4 2022 | Added | 1,931,039 | +522,807 (37.1%) | < 0.01% | $15,931,072 | 2023-02-10 | |
| Q3 2022 | Added | 1,408,232 | +263,597 (23.0%) | < 0.01% | $10,843,000 | 2022-11-14 | |
| Q2 2022 | Reduced | 1,144,635 | -411,647 (-26.5%) | < 0.01% | $3,262,000 | 2022-08-12 | |
| Q1 2022 | Reduced | 1,556,282 | -708,372 (-31.3%) | < 0.01% | $7,782,000 | 2022-05-13 | |
| Q4 2021 | Added | 2,264,654 | +175,631 (8.4%) | < 0.01% | $44,454,000 | 2022-02-14 | |
| Q3 2021 | Added | 2,089,023 | +1,041,111 (99.4%) | < 0.01% | $61,501,000 | 2021-11-12 | |
| Q2 2021 | Added | 1,047,912 | +43,841 (4.4%) | < 0.01% | $44,410,000 | 2021-08-13 | |
| Q1 2021 | Added | 1,004,071 | +929,071 (1238.8%) | < 0.01% | $51,048,000 | 2021-05-14 | |
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Who else reported the position
48 managers reported BIOATLA INC for Q4 2025.
| Manager | Activity | Shares | Change | % of reported 13F | Reported value | Tenure |
|---|---|---|---|---|---|---|
| ACORN CAPITAL ADVISORS LLC | Unchanged | 4,835,111 | 0 | 0.93% | $2,756,013 | 5 qtrs |
| VANGUARD GROUP INC This report | Unchanged | 1,945,795 | 0 | < 0.01% | $1,105,212 | 21 qtrs |
| MARSHALL WACE LLP | New | 891,580 | +891,580 | < 0.01% | $508,201 | 6 qtrs |
| MILLENNIUM MANAGEMENT LLC | Added | 762,394 | +421,072 | < 0.01% | $432,811 | 21 qtrs |
| ACADIAN ASSET MANAGEMENT LLC | Reduced | 757,671 | -172,791 | < 0.01% | $429,000 | 9 qtrs |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 707,214 | -93,417 | < 0.01% | $401,485 | 17 qtrs |
| DEUTSCHE BANK AG | Unchanged | 525,353 | 0 | < 0.01% | $299,451 | 20 qtrs |
| GEODE CAPITAL MANAGEMENT LLC | Added | 500,328 | +5,117 | < 0.01% | $284,096 | 21 qtrs |
| BlackRock Inc | Unchanged | 480,933 | 0 | < 0.01% | $273,026 | 6 qtrs |
| JANE STREET GROUP LLC | Added | 346,774 | +152,397 | < 0.01% | $196,863 | 20 qtrs |
Filing details and methodology As reported
- Report period
- December 31, 2025
- Filed
- January 29, 2026
- Filing type
- 13F-HR
- Position type
- COM
Voting authority reported
- Sole
- 0
- Shared
- 279,908
- None
- 1,665,887
“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.
Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.