Atara Biotherapeutics Inc. (ATRA)

Market is closed
Sector: Healthcare

Hedge Fund Popularity

13F filing is ongoing

Hedge Fund Holdings
Filing Period:
Last update:
No. Hedge Fund Shares Value Activity % Port
1.
EcoR1 Capital

Oleg Nodelman

1,552,000 $17,816,960 +1459% 0.87%
2.
Adage Capital Management

Phill Gross And Robert Atchinson

850,000 $9,758,000 +22% 0.01%
3. 687,718 $7,895,003 +255% 0.01%
4.
Redmile Group

Jeremy Green

441,701 $5,070,727 0.34%
5.
Millennium Management

Israel Englander

12,680 $145,566 -74% 0%
Insider Trading: Purchases See All
Insider Price Amount Total Value Remaining Holdings Date Form 4
$9.60 104,166 $999,993.60 166,486 2026-09-04 Filing
$9.35 507,407 $4,744,255.45 1,552,000 2026-05-07 Filing
$12.19 55,000 $670,422.50 1,405,000 2025-08-15 Filing
$9.64 19,335 $186,372.00 1,350,000 2025-07-17 Filing
$0.31 90,980 $28,185.60 459,418 2023-11-14 Filing
Insider Trading: Sales See All
Insider Price Amount Total Value Remaining Holdings Date Form 4
$8.08 5,062 $40,882.74 132,775 2026-08-17 Filing
$9.13 5,241 $47,844.56 137,837 2026-05-18 Filing
$9.13 2,414 $22,036.44 49,636 2026-05-18 Filing
$10.10 313,446 $3,165,020.99 1,011,000 2026-05-07 Filing
$5.08 100 $508.30 31,750 2026-03-02 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value % Port
1. 247,047 $2,836,100 0%
2. 233,249 $2,677,699 0%
3. 84,455 $969,544 0%
4. 75,128 $862,924 0%
5. 50,000 $574,000 0.02%
News See All