Autolus Therapeutics plc - Ordinary Shares, nominal value $0.000042 per share, and American Depositary Shares ("ADS"). Each ADS represents one Ordinary Share (AUTL)

Q: What does CUSIP 05280R100 represent in this 13F holders report?

CUSIP 05280R100 is the security identifier for AUTL - Autolus Therapeutics plc - Ordinary Shares, nominal value $0.000042 per share, and American Depositary Shares ("ADS"). Each ADS represents one Ordinary Share used to aggregate holder disclosures.

Q: How many institutions held AUTL - Autolus Therapeutics plc - Ordinary Shares, nominal value $0.000042 per share, and American Depositary Shares ("ADS"). Each ADS represents one Ordinary Share in Q2 2025?

93 institutional investors reported AUTL - Autolus Therapeutics plc - Ordinary Shares, nominal value $0.000042 per share, and American Depositary Shares ("ADS"). Each ADS represents one Ordinary Share for Q2 2025. Use the holders table for investor-level position and value details.

CUSIP: 05280R100

Q2 2025 13F Holders as of 30 Jun 2025

Security type / class: Equity / Ordinary Shares, nominal value $0.000042 per share, and American Depositary Shares ("ADS"). Each ADS represents one Ordinary Share
Total 13F shares: 165,944,662
Total 13F value: $378,376,899
Share change: -2,043,961
SEC-reported price per share: $2.28
Number of holders: 93
Value change: +$9,844,394
Number of buys: 51
Number of sells: 45
Shares outstanding: 266,837,198

Security key

05280R100

Report period

Q2 2025

Institutions

Top holders

AUTL full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 Autolus Therapeutics plc SEC filings Autolus Therapeutics plc company facts

Broader feeds

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

Reporting periods

Holder history for CUSIP 05280R100

Newer quarter: Q2 2026

Recent filing periods:

Q2 2026

Ownership snapshot

Top reported holders of AUTL - Autolus Therapeutics plc - Ordinary Shares, nominal value $0.000042 per share, and American Depositary Shares ("ADS"). Each ADS represents one Ordinary 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

Syncona Portfolio Ltd

Disclosed value leader

WELLINGTON MANAGEMENT GRO...

Comparable rows

15/15

Latest evidence

31 Mar 2025

13D/G 13F Lead comparable stake: 11% 13D/G row: Syncona Portfolio Ltd Showing 1-6 of 15 holder rows.

Quick read

Syncona Portfolio Ltd leads the comparable SEC ownership view at 11%.

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 Syncona Portfolio Ltd's linked filing trail.

Comparable ownership Top 5

Syncona Portfolio Ltd 11%

FMR LLC 3.8%

WELLINGTON MANAGEMENT GROUP LLP 10%

Blackstone Inc. 7.7%

Deep Track Capital, LP 6.7%

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
Syncona Portfolio Ltd	13D/G 13F Syncona Portfolio Limited · Company 13D/G 13F	11%	$37,755,579 28,821,053 shares	$0	31 Mar 2025
FMR LLC	13F 13D/G Company 13F 13D/G	3.8% from 13D/G	$15,751,639 10,162,348 shares	—	31 Mar 2025
WELLINGTON MANAGEMENT GROUP LLP	13F Company 13F	10%	$41,992,135 27,091,700 shares	—	31 Mar 2025
Blackstone Inc.	13F Company 13F	7.7%	$31,752,697 20,485,611 shares	—	31 Mar 2025
Deep Track Capital, LP	13F Company 13F	6.7%	$27,666,697 17,849,482 shares	—	31 Mar 2025
ARMISTICE CAPITAL, LLC	13F Company 13F	4.1%	$17,050,000 11,000,000 shares	—	31 Mar 2025

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 Q2 2025

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

Institutions

165,944,662

Rows available

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 Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders

Q2 2025 holders

Holder diff

Investor	Q1 2025 Shares	Q2 2025 Shares	Share Diff	Share Chg %	Q1 2025 value	Q2 2025 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend