Atara Biotherapeutics, Inc. - Common Stock, par value $0.0001 per share (ATRA)

CUSIP: 046513107

Q3 2024 13F Holders as of 30 Sep 2024

Holder snapshot 5 facts
Share change
-182,042
SEC-reported price per share
$8.14
Number of holders
1
Value change
-$1,511,256
Number of sells
4
Security identity 1 fact
Shares outstanding
9,606,000

Security key

046513107

Report period

Q3 2024

Institutions

1

Top holders

1

Ownership snapshot

Top reported holders of ATRA - Atara Biotherapeutics, Inc. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Redmile Group, LLC
Disclosed value leader
Redmile Group, LLC
Comparable rows
15/15
Latest evidence
30 Jun 2024
13F Lead comparable stake: 5.5% Showing 1-6 of 15 holder rows.

Quick read

Redmile Group, LLC leads the comparable SEC ownership view at 5.5%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Comparable ownership Top 5
Redmile Group, LLC 5.5%
EcoR1 Capital, LLC 5%
CITADEL ADVISORS LLC 3.2%
BANK OF AMERICA CORP /DE/ 2.3%
VANGUARD GROUP INC 2.1%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Redmile Group, LLC
13F
Company
13F
5.5%
$3,844,295
452,270 shares
30 Jun 2024
EcoR1 Capital, LLC
13F
Company
13F
5%
$3,456,772
406,679 shares
30 Jun 2024
CITADEL ADVISORS LLC
13F
Company
13F
3.2%
$2,214,080
260,480 shares
30 Jun 2024
BANK OF AMERICA CORP /DE/
13F
Company
13F
2.3%
$1,581,094
186,011 shares
30 Jun 2024
VANGUARD GROUP INC
13F
Company
13F
2.1%
$1,439,356
169,336 shares
30 Jun 2024
Boxer Capital, LLC
13F
Company
13F
1.7%
$1,411,000
166,000 shares
30 Jun 2024
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2024

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
1
Shares
35
Rows available
1
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2024 vs Q2 2024 Across Filers

Q2 2024 holders
5
Q3 2024 holders
1
Holder diff
-4
Investor Q2 2024 Shares Q3 2024 Shares Share Diff Share Chg % Q2 2024 value Q3 2024 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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