ATARA BIOTHERAPEUTICS INC

Ticker: ATRA CUSIP: 046513206 Class: Common Stock

ACADIAN ASSET MANAGEMENT LLC's Holding History (CIK: 0000916542)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 54,048 Value ($000) $1 Avg Close $14.93 Range $10.50 - $18.95
Q3 2025
Shares 56,416 Value ($000) $1 Avg Close $11.51 Range $7.54 - $14.90
Q2 2025
Shares 65,155 Value ($000) $1 Avg Close $7.30 Range $5.00 - $9.68
Q1 2025
Shares 115,111 Value ($000) $1 Avg Close $8.73 Range $5.40 - $18.70
Q4 2024
Shares 124,473 Value ($000) $2 Avg Close $10.54 Range $7.20 - $14.93
Q3 2024
Shares 129,144 Value ($000) $1 Avg Close $8.56 Range $6.50 - $12.98
Q2 2024
Shares 119,370 Value ($000) $1 Avg Close $15.04 Range $7.07 - $20.82