Security key
046513107
Atara Biotherapeutics, Inc. - Common Stock, par value $0.0001 per share (ATRA)
CUSIP: 046513107
Q3 2018 13F Holders as of 30 Sep 2018
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Total 13F shares
- 46,348,347
- Total 13F value
- $1,916,490,444
- Share change
- -103,791
- Put/Call ratio
- 202%
- SEC-reported price per share
- $41.35
- Number of holders
- 114
- Value change
- -$3,168,582
- Number of buys
- 55
- Number of sells
- 47
- Shares outstanding
- 9,606,000
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2018
Institutions
114
Top holders
10
ATRA full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2018
Previous quarter: Q2 2018
Atara Biotherapeutics, Inc. SEC filings
Atara Biotherapeutics, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 046513107
Recent filing periods:
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
BAUPOST GROUP LLC/MA
Disclosed value leader
BAUPOST GROUP LLC/MA
Comparable rows
15/15
Latest evidence
30 Jun 2018
13F
Lead comparable stake: 65%
Showing 1-6 of 15 holder rows.
Quick read
BAUPOST GROUP LLC/MA leads the comparable SEC ownership view at 65%.
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.
Open SEC evidence
Opens BAUPOST GROUP LLC/MA's linked filing trail.
Comparable ownership
Top 5
BAUPOST GROUP LLC/MA
65%
FMR LLC
64%
Redmile Group, LLC
43%
BlackRock Finance, Inc.
35%
BRIDGER MANAGEMENT, LLC
26%
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 |
|---|---|---|---|---|---|
| BAUPOST GROUP LLC/MA |
13F
Company
|
65%
|
$229,858,000
6,254,632 shares
|
— | 30 Jun 2018 |
| FMR LLC |
13F
Company
|
64%
|
$225,440,000
6,134,427 shares
|
— | 30 Jun 2018 |
| Redmile Group, LLC |
13F
Company
|
43%
|
$151,653,000
4,126,617 shares
|
— | 30 Jun 2018 |
| BlackRock Finance, Inc. |
13F
Company
|
35%
|
$123,650,000
3,364,604 shares
|
— | 30 Jun 2018 |
| BRIDGER MANAGEMENT, LLC |
13F
Company
|
26%
|
$90,378,000
2,459,253 shares
|
— | 30 Jun 2018 |
| VANGUARD GROUP INC |
13F
Company
|
25%
|
$87,515,000
2,381,354 shares
|
— | 30 Jun 2018 |
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 2018
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
114
Shares
46,348,347
Rows available
114
| 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 2018 vs Q2 2018 Across Filers
Q2 2018 holders
122
Q3 2018 holders
114
Holder diff
-8
| Investor | Q2 2018 Shares | Q3 2018 Shares | Share Diff | Share Chg % | Q2 2018 value | Q3 2018 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend