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

573,183 $10,368,880 0.47%
2.
Redmile Group

Jeremy Green

441,701 $7,990,371 0.59%
3.
Marshall Wace LLP

Paul Marshall And Ian Wace

148,632 $2,688,752 +29% 0%
4. 30,040 $543,424 +59% 0%
5. 18,296 $330,975 0%
Insider Trading: Purchases See All
Insider Price Amount Total Value Remaining Holdings Date Form 4
$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
$0.22 179,020 $40,028.87 368,438 2023-11-13 Filing
$0.25 100,000 $25,330.00 209,000 2023-11-10 Filing
Insider Trading: Sales See All
Insider Price Amount Total Value Remaining Holdings Date Form 4
$6.07 80,554 $489,019.17 1,324,446 2026-01-12 Filing
$13.19 56 $738.53 64,974 2025-11-17 Filing
$13.19 2,859 $37,698.77 65,030 2025-11-17 Filing
$13.19 74 $976.13 33,454 2025-11-17 Filing
$13.19 85 $1,120.98 33,528 2025-11-17 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value % Port
1. 225,940 $4,087,255 0%
2. 77,224 $1,396,982 0.21%
3. 67,108 $1,213,984 0%
4. 62,381 $1,129,112 0%
5. 58,668 $1,046,920 0%
News See All