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

CUSIP: 046513107

Q3 2023 13F Holders as of 30 Sep 2023

Security identity
Security type / class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
9,606,000
Holder snapshot
Total 13F shares
88,187,935
Share change
-2,139,204
Total reported value
$130,517,483
Put/Call ratio
4.9%
Reported price per share
$1.48
Number of holders
108
Value change
-$3,294,604
Number of buys
52
Number of sells
55

Security key

046513107

Report period

Q3 2023

Institutions

108

Top holders

10

ATRA full security history Ownership snapshot Full 13F holder table Newer quarter: Q4 2023 Previous quarter: Q2 2023 Atara Biotherapeutics, Inc. SEC filings Atara Biotherapeutics, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

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.

Lead holder
BAUPOST GROUP LLC/MA
13D/G signal
—
Evidence rows
15
Latest as of
30 Jun 2023
13F Lead comparable stake: 102% Showing 1-6 of 15 holder rows.
Holder Evidence Ownership % Position 12M Net Δ As of
BAUPOST GROUP LLC/MA
13F
Company
13F
102%
$15,736,000
9,773,616 shares
 — 30 Jun 2023
WASATCH ADVISORS LP
13F
Company
13F
86%
$13,337,209
8,283,981 shares
 — 30 Jun 2023
BlackRock Finance, Inc.
13F
Company
13F
86%
$13,303,832
8,263,249 shares
 — 30 Jun 2023
JPMORGAN CHASE & CO
13F
Company
13F
80%
$12,429,607
7,720,253 shares
 — 30 Jun 2023
VANGUARD GROUP INC
13F
Company
13F
72%
$11,183,593
6,946,331 shares
 — 30 Jun 2023
MAVERICK CAPITAL LTD
13F
Company
13F
65%
$10,128,048
6,290,713 shares
 — 30 Jun 2023
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 2023

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

Institutions
108
Shares
88,187,935
Rows available
108
Investor Option Weight % Change % Reported value * Price Shares Share Change Activity Report Period

* 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 failed the local validity check.

Compare Q3 2023 vs Q2 2023 Across Filers

Q2 2023 holders
115
Q3 2023 holders
108
Holder diff
-7
Investor Q2 2023 Shares Q3 2023 Shares Share Diff Share Chg % Q2 2023 value Q3 2023 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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