Form 13-F position report

BIOATLA INC

Reported by ACADIAN ASSET MANAGEMENT LLC

BCAB CUSIP 09077B104 Manager CIK 0000916542

Reported 75,031 shares, down 80,157 (51.7%) from the prior quarter.

Reported value -80.8%; share count -51.7% vs. the prior quarter.

Reduced
% of reported 13F value < 0.01% This manager · Q2 2024
Shares 75,031 Quarter-end amount reported
Reported value $102,000 Fair value at quarter end
Consecutive quarters held 3 Through Q2 2024

Reported position value by 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.

Reported position value by quarter
Date Holding Value
2022-06-30 435000
2022-09-30 765000
2022-12-31 446000
2023-03-31 247000
2023-06-30 0
2023-12-31 241000
2024-03-31 532000
2024-06-30 102000
2024-09-30 0
2024-12-31 92000
2025-03-31 585000
2025-06-30 589000
2025-09-30 638000
2025-12-31 429000
2026-03-31 198000
2026-06-30 0

Quarterly position history

How this manager's reported quarter-end position changed over time.

16 quarters
Quarterly reported position history for BIOATLA INC held by ACADIAN ASSET MANAGEMENT LLC.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q2 2026 Reduced 0 -1,233,919 (-100.0%) 0 $0 2026-08-13
Q1 2026 Added 1,233,919 +476,248 (62.9%) < 0.01% $198,000 2026-05-13
Q4 2025 Reduced 757,671 -172,791 (-18.6%) < 0.01% $429,000 2026-02-10
Q3 2025 Reduced 930,462 -562,090 (-37.7%) < 0.01% $638,000 2025-11-13
Q2 2025 Reduced 1,492,552 -197,558 (-11.7%) < 0.01% $589,000 2025-08-07
Q1 2025 Added 1,690,110 +1,531,994 (968.9%) < 0.01% $585,000 2025-05-21
Q4 2024 New 158,116 +158,116 (0.0%) < 0.01% $92,000 2025-02-11
Q3 2024 Reduced 0 -75,031 (-100.0%) 0 $0 2024-11-12
Q2 2024 Reduced 75,031 -80,157 (-51.7%) < 0.01% $102,000 2024-08-06
Q1 2024 Added 155,188 +56,748 (57.6%) < 0.01% $532,000 2024-05-10
Q4 2023 New 98,440 +98,440 (0.0%) < 0.01% $241,000 2024-02-13
Q2 2023 Reduced 0 -92,683 (-100.0%) 0 $0 2023-08-07
Q1 2023 Added 92,683 +38,580 (71.3%) < 0.01% $247,000 2023-05-11
Q4 2022 Reduced 54,103 -45,371 (-45.6%) < 0.01% $446,000 2023-02-14
Q3 2022 Reduced 99,474 -53,023 (-34.8%) < 0.01% $765,000 2022-11-14
Q2 2022 New 152,497 +152,497 (0.0%) < 0.01% $435,000 2022-08-09

Who else reported the position

111 managers reported BIOATLA INC for Q2 2024.

Managers reporting BIOATLA INC in Q2 2024.
Manager Activity Shares Change % of reported 13F Reported value Tenure
Soleus Capital Management L P Reduced 3,901,314 -163,883 0.47% $5,344,800 15 qtrs
VANGUARD GROUP INC Reduced 1,885,252 -213,785 < 0.01% $2,582,795 15 qtrs
MORGAN STANLEY Reduced 1,854,768 -55,376 < 0.01% $2,541,032 15 qtrs
MILLENNIUM MANAGEMENT LLC Added 1,649,262 +775,608 < 0.01% $2,259,489 15 qtrs
TANG CAPITAL MANAGEMENT LLC Reduced 1,374,076 -100,000 0.19% $1,882,484 11 qtrs
DEUTSCHE BANK AG Reduced 1,195,353 -48,894 < 0.01% $1,637,634 14 qtrs
BlackRock Inc Reduced 791,560 -1,988,141 < 0.01% $1,084,438 15 qtrs
Boxer Capital LLC Unchanged 686,347 0 0.05% $940,295 15 qtrs
AQR CAPITAL MANAGEMENT LLC New 636,136 +636,136 < 0.01% $871,507 1 qtr
Scion Asset Management LLC New 633,959 +633,959 1.65% $868,524 1 qtr
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
June 30, 2024
Filed
August 06, 2024
Filing type
13F-HR
Position type
COM

Voting authority reported

Sole
75,031
Shared
0
None
0

“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.