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Atara Biotherapeutics Inc

ATRA
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11.650USD
+0.280+2.46%
Close 07/02, 13:00ETQuotes delayed by 15 min
84.00MMarket Cap
LossP/E TTM

Institutional Confidence

Currency: USD Updated: 2026-07-02
Previous score
3.00
Change
0
The current institutional shareholding score of Atara Biotherapeutics Inc is 3.00, ranking 192 out of 387 in the Biotechnology & Medical Research industry. The latest institutional shareholding proportion is 43.48%, representing a quarter-over-quarter decrease of 28.53%. The largest institutional shareholder is Steven Cohen, holding a total of 87.18K shares, representing 2.38% of shares outstanding, with 59.28% decrease in holdings.

Institutional Shareholding

Shareholder Activity

Name
Shares Held
Chg %
Panacea Venture
1.63M
+18.87%
Adiumentum Capital Fund I LP
1.28M
+13.33%
EcoR1 Capital, LLC
573.18K
--
Redmile Group, LLC
441.70K
--
Mackenzie Financial Corporation
58.67K
-8.07%
Marshall Wace LLP
148.63K
+28.36%
GlobeFlex Capital, L.P.
77.22K
+399.57%
BlackRock Institutional Trust Company, N.A.
65.80K
+2.14%
Geode Capital Management, L.L.C.
62.38K
+3.06%
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