Security key
00653A107
Adaptimmune Therapeutics PLC - American Depositary Shares, each representing 6 Ordinary Shares (ADAPY)
CUSIP: 00653A107
Q4 2021 13F Holders as of 31 Dec 2021
- Security type / class
- Equity / American Depositary Shares, each representing 6 Ordinary Shares
- Total 13F shares
- 113,574,015
- Total 13F value
- $425,913,139
- Share change
- -1,837,631
- Put/Call ratio
- 126%
- SEC-reported price per share
- $3.75
- Number of holders
- 81
- Value change
- -$9,027,809
- Number of buys
- 25
- Number of sells
- 52
- Shares outstanding
- 1,571,428,571
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
Q4 2021
Institutions
81
Top holders
10
ADAPY full security history
Ownership snapshot
Full 13F holder table
Adaptimmune Therapeutics PLC SEC filings
Adaptimmune Therapeutics PLC company facts
Broader feeds
Ownership snapshot
Top reported holders of ADAPY - Adaptimmune Therapeutics PLC - American Depositary Shares, each representing 6 Ordinary Shares (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
Matrix Capital Management...
Disclosed value leader
Matrix Capital Management...
Comparable rows
15/15
Latest evidence
30 Sep 2021
13F
Lead comparable stake: 2.5%
Showing 1-6 of 15 holder rows.
Quick read
Matrix Capital Management Company, LP leads the comparable SEC ownership view at 2.5%.
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.
Open SEC evidence
Opens Matrix Capital Management Company, LP's linked filing trail.
Comparable ownership
Top 5
Matrix Capital Management Company...
2.5%
NEA Management Company, LLC
1.1%
BAILLIE GIFFORD & CO
0.82%
BAKER BROS. ADVISORS LP
0.63%
Capital World Investors
0.51%
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 |
|---|---|---|---|---|---|
| Matrix Capital Management Company, LP |
13F
Company
|
2.5%
|
$201,497,000
38,974,185 shares
|
— | 30 Sep 2021 |
| NEA Management Company, LLC |
13F
Company
|
1.1%
|
$88,317,000
17,082,611 shares
|
— | 30 Sep 2021 |
| BAILLIE GIFFORD & CO |
13F
Company
|
0.82%
|
$66,306,000
12,824,980 shares
|
— | 30 Sep 2021 |
| BAKER BROS. ADVISORS LP |
13F
Company
|
0.63%
|
$50,826,000
9,830,877 shares
|
— | 30 Sep 2021 |
| Capital World Investors |
13F
Company
|
0.51%
|
$41,374,000
8,002,700 shares
|
— | 30 Sep 2021 |
| PFM Health Sciences, LP |
13F
Company
|
0.28%
|
$22,766,000
4,403,574 shares
|
— | 30 Sep 2021 |
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 Q4 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
81
Shares
113,574,015
Rows available
81
| 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 Q4 2021 vs Q3 2021 Across Filers
Q3 2021 holders
91
Q4 2021 holders
81
Holder diff
-10
| Investor | Q3 2021 Shares | Q4 2021 Shares | Share Diff | Share Chg % | Q3 2021 value | Q4 2021 value | Value change | Value Chg % |
|---|