Institutional HoldersBeta

Who holds a company, from every 13F filed for the quarter, one row per filer exactly as filed, against the latest share count the company reported.

Autolus Therapeutics plc

CIK 0001730463AUTL· quarter ending 2026-06-30

Shares outstanding

266,162,540

as of 2026-08-10 · 10-Q cover page, filed 2026-08-11

Held by 13F filers

132,203,060

49.7% of shares outstanding

Holders

-1 vs 2026-03-31 · 9 new, 10 exited

Value

$212.0M

shares -1.7% vs prior quarter

Share classes (cover page of the 10-Q filed 2026-08-11, as of 2026-08-10)

Class	Listed	Shares outstanding	Held by 13F filers	% of class	Holders	CUSIP
Common stock	AUTL · NASDAQ	266,162,540	132,203,060	49.7%	83	05280R100

Each class is compared with its own share count; classes are not added together. A class that is not exchange-listed cannot be held by 13F filers.

Securities (CUSIPs held in 13F this quarter)

tick to combine

Count	CUSIP	Class (as filers write it)	Holders	Shares held	Class shares	% of class	Value	Options	Mapped via
	05280R100	SPON ADS	83	132,203,060	266,162,540	49.7%	$212.0M	2 call / 0 put	13DG	holders →

Totals combine the ticked CUSIPs and update as you tick: common-stock classes by default; preferreds, notes, warrants and depositary shares are listed but not counted. "holders →" shows a single CUSIP on its own. Bonds are held as a principal amount, not shares. Options positions are never counted as holdings. 1 further CUSIPs map to this company (mostly bonds) but no 13F filer held them this quarter.

Top holders (83 of 83 · 05280R100)

change vs 2026-03-31

#	Filer	Shares	% of class	Value	Change
1	MAK CAPITAL ONE LLC	33,621,487	12.63%	$53.8M	—
2	Blackstone Inc.	20,485,611	7.70%	$32.8M	—
3	Syncona Portfolio Ltd	16,640,720	6.25%	$26.6M	—
4	ARMISTICE CAPITAL, LLC	15,000,000	5.64%	$24.0M	-800,000 (-5.1%)
5	Tetragon Partners GP Ltd	9,500,000	3.57%	$15.2M	—
6	SCHRODER INVESTMENT MANAGEMENT GROUP	7,833,282	2.94%	$12.9M	-1,656,063 (-17.5%)
7	Frazier Life Sciences Management, L.P.	4,447,910	1.67%	$7.1M	—
8	BNP PARIBAS ASSET MANAGEMENT Holding S.A.	3,361,156	1.26%	$5.4M	—
9	Laurion Capital Management LP	3,316,626	1.25%	$5.3M	—
10	RENAISSANCE TECHNOLOGIES LLC	1,984,700	0.75%	$3.2M	-314,799 (-13.7%)
11	BANK OF AMERICA CORP /DE/	1,605,092	0.60%	$2.6M	-239,579 (-13.0%)
12	BlackRock, Inc.	1,603,458	0.60%	$2.6M	+122,726 (+8.3%)
13	UBS Group AG	1,516,991	0.57%	$2.4M	+211,212 (+16.2%)
14	MORGAN STANLEY	1,260,832	0.47%	$2.0M	+319,009 (+33.9%)
15	MILLENNIUM MANAGEMENT LLC	1,224,818	0.46%	$2.0M	+1,020,090 (+498.3%)
16	Cetera Investment Advisers	1,157,324	0.43%	$1.9M	+28,250 (+2.5%)
17	Balyasny Asset Management L.P.	972,748	0.37%	$1.6M	+1,057 (+0.1%)
18	JPMORGAN CHASE & CO	913,239	0.34%	$1.5M	-22,164 (-2.4%)
19	Alphabet Inc.	698,262	0.26%	$1.1M	—
20	CITADEL ADVISORS LLC	695,890	0.26%	$1.1M	+236,486 (+51.5%)
21	Hennion & Walsh Asset Management, Inc.	451,403	0.17%	$722K	+11,197 (+2.5%)
22	Privium Fund Management B.V.	363,430	0.14%	$581K	—
23	EDENTREE ASSET MANAGEMENT Ltd	300,000	0.11%	$477K	—
24	JANE STREET GROUP, LLC	299,862	0.11%	$480K	+54,077 (+22.0%)
25	XTX Topco Ltd	287,456	0.11%	$460K	+231,051 (+409.6%)
26	WELLS FARGO & COMPANY/MN	212,592	0.08%	$340K	+4,736 (+2.3%)
27	Erste Asset Management GmbH	195,000	0.07%	$322K	—
28	DAFNA Capital Management LLC	179,316	0.07%	$287K	—
29	SUSQUEHANNA INTERNATIONAL GROUP, LLP	177,232	0.07%	$284K	-221,911 (-55.6%)
30	NANO CAP NEW MILLENNIUM GROWTH FUND L P	150,000	0.06%	$240K	—
31	GEODE CAPITAL MANAGEMENT, LLC	123,934	0.05%	$198K	+13,356 (+12.1%)
32	Clearstead Advisors, LLC	121,107	0.05%	$194K	—
33	Quadrature Capital Ltd	114,883	0.04%	$184K	+60,150 (+109.9%)
34	GOLDMAN SACHS GROUP INC	113,556	0.04%	$182K	-2,857 (-2.5%)
35	Leonteq Securities AG	100,000	0.04%	$160K	—
36	MARSHALL WACE, LLP	94,654	0.04%	$151K	+67,972 (+254.7%)
37	HRT FINANCIAL LP	89,363	0.03%	$142K	NEW
38	STATE STREET CORP	84,409	0.03%	$135K	+869 (+1.0%)
39	Point72 Asset Management, L.P.	71,227	0.03%	$114K	-355,756 (-83.3%)
40	Invesco Ltd.	66,447	0.02%	$106K	+13,294 (+25.0%)
41	SmartHarvest Portfolios, LLC	63,602	0.02%	$102K	+4,417 (+7.5%)
42	HighPoint Advisor Group LLC	57,000	0.02%	$91K	-10,000 (-14.9%)
43	LPL Financial LLC	42,625	0.02%	$68K	+5,000 (+13.3%)
44	RHUMBLINE ADVISERS	38,764	0.01%	$62K	+3,813 (+10.9%)
45	R Squared Ltd	36,426	0.01%	$58K	-3,149 (-8.0%)
46	China Universal Asset Management Co., Ltd.	31,925	0.01%	$51K	-3,672 (-10.3%)
47	ACADIAN ASSET MANAGEMENT LLC	28,129	0.01%	$45K	+532 (+1.9%)
48	Rathbones Group PLC	28,050	0.01%	$45K	-28,050 (-50.0%)
49	OSAIC HOLDINGS, INC.	27,724	0.01%	$44K	+3,150 (+12.8%)
50	Waverly Advisors, LLC	26,870	0.01%	$43K	—
51	MANUFACTURERS LIFE INSURANCE COMPANY, THE	25,192	0.01%	$40K	-20,557 (-44.9%)
52	Delaney Dennis R	24,000	0.01%	$38K	—
53	Virtu Financial LLC	23,557	0.01%	$38K	NEW
54	Independent Advisor Alliance	22,342	0.01%	$36K	+2 (+0.0%)
55	QUANTUM FINANCIAL PARTNERS LLC	18,795	0.01%	$30K	NEW
56	QRG CAPITAL MANAGEMENT, INC.	18,325	0.01%	$29K	+7,400 (+67.7%)
57	Marex Group Ltd	17,857	0.01%	$29K	-525,000 (-96.7%)
58	Aigen Investment Management, LP	17,837	0.01%	$29K	NEW
59	StoneX Group Inc.	16,965	0.01%	$27K	NEW
60	Vanguard Personalized Indexing Management, LLC	16,960	0.01%	$27K	+2,844 (+20.1%)
61	Caitong International Asset Management Co., Ltd	16,201	0.01%	$26K	-35,386 (-68.6%)
62	Lido Advisors, LLC	15,509	0.01%	$25K	NEW
63	GAMMA Investing LLC	15,499	0.01%	$25K	+8,309 (+115.6%)
64	BLAIR WILLIAM & CO/IL	15,000	0.01%	$24K	NEW
65	SIH Partners, LLLP	14,887	0.01%	$24K	—
66	Apollon Wealth Management, LLC	14,019	0.01%	$22K	+16 (+0.1%)
67	DUMONT & BLAKE INVESTMENT ADVISORS LLC	14,000	0.01%	$22K	-1,000 (-6.7%)
68	Claro Advisors Inc.	12,500	0.00%	$20K	—
69	BARCLAYS PLC	11,939	0.00%	$19K	+3,865 (+47.9%)
70	WEALTH EFFECTS LLC	10,000	0.00%	$16K	—
71	Mirae Asset Global Investments Co., Ltd.	8,971	0.00%	$14K	-1,492 (-14.3%)
72	Tower Research Capital LLC (TRC)	7,533	0.00%	$12K	-12,984 (-63.3%)
73	BNP PARIBAS FINANCIAL MARKETS	6,882	0.00%	$11K	+2,300 (+50.2%)
74	TrinityBridge Ltd	6,300	0.00%	$10K	—
75	CITIGROUP INC	4,718	0.00%	$8K	-888 (-15.8%)
76	GF FUND MANAGEMENT CO. LTD.	4,154	0.00%	$7K	-319 (-7.1%)
77	NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO	3,700	0.00%	$6K	NEW
78	Quarry LP	1,581	0.00%	$3K	NEW
79	CALDWELL SUTTER CAPITAL, INC.	500	0.00%	$800	—
80	Byrne Asset Management LLC	100	0.00%	$160	—
81	SBI Securities Co., Ltd.	54	0.00%	$86	-1 (-1.8%)
82	Allworth Financial LP	50	0.00%	$80	—
83	HUNTINGTON NATIONAL BANK	1	0.00%	$2	—

Exited since 2026-03-31 (10 filers; largest 10 shown)

Diametric Capital, LP	−178,731
Aubrey Capital Management Ltd	−130,000
Aquatic Capital Management LLC	−114,398
SG Americas Securities, LLC	−66,107
TUDOR INVESTMENT CORP ET AL	−46,213
TWO SIGMA SECURITIES, LLC	−43,462
PRELUDE CAPITAL MANAGEMENT, LLC	−27,200
SIMPLEX TRADING, LLC	−23,641
Icon Wealth Advisors, LLC	−15,000
MAI Capital Management	−189

Large holders from 13D/13G (latest per reporting person, last 2 years)

Filed when a holder crosses 5% or changes materially, so often more current than the quarter-end 13F. Percentages are the filer's own, against the share count they used.

Reporting person	Form	Filed	Event	Shares	% of class
PPF Group a.s.	SCHEDULE 13D/A	2026-08-28	2026-08-27	14,782,275	5.6%
AMALAR HOLDING s.r.o.	SCHEDULE 13D/A	2026-08-28	2026-08-27	14,782,275	5.6%
Renata Kellnerova	SCHEDULE 13D/A	2026-08-28	2026-08-27	14,782,275	5.6%
PPF IM Ltd.	SCHEDULE 13D/A	2026-08-28	2026-08-27	14,782,275	5.6%
Armistice Capital, LLC	SCHEDULE 13G/A	2026-08-14	2026-06-30	15,000,000	5.64%
Steven Boyd	SCHEDULE 13G/A	2026-08-14	2026-06-30	15,000,000	5.64%
MAK CAPITAL ONE LLC	SCHEDULE 13G/A	2026-05-15	2026-03-31	33,621,487	12.6%
Kaufman Michael A	SCHEDULE 13G/A	2026-05-15	2026-03-31	33,621,487	12.6%
MAK Capital Fund LP	SCHEDULE 13G/A	2026-05-15	2026-03-31	33,621,487	12.6%
MAK Capital One L.L.C.	SCHEDULE 13G/A	2026-02-13	2025-12-31	30,005,343	11.3%
Michael A. Kaufman	SCHEDULE 13G/A	2026-02-13	2025-12-31	30,005,343	11.3%
Deep Track Capital, LP	SCHEDULE 13G/A	2025-11-14	2025-09-30	2,568,613	0.97%
Deep Track Biotechnology Master Fund, Ltd.	SCHEDULE 13G/A	2025-11-14	2025-09-30	2,568,613	0.97%
David Kroin	SCHEDULE 13G/A	2025-11-14	2025-09-30	2,568,613	0.97%
Wellington Group Holdings LLP	SCHEDULE 13G/A	2025-10-06	2025-09-30	0	0%
Wellington Management Group LLP	SCHEDULE 13G/A	2025-10-06	2025-09-30	0	0%
Wellington Investment Advisors Holdings LLP	SCHEDULE 13G/A	2025-10-06	2025-09-30	0	0%
Abigail P. Johnson	SCHEDULE 13G/A	2025-05-12	2025-03-31	10,162,348	3.8%
FMR LLC	SCHEDULE 13G/A	2025-05-12	2025-03-31	10,162,348	3.8%
Roel Bulthuis	SCHEDULE 13G/A	2025-05-07	2025-03-31	28,821,053	10.8%
Syncona Investment Management Limited	SCHEDULE 13G/A	2025-05-07	2025-03-31	28,821,053	10.8%
Syncona Limited	SCHEDULE 13G/A	2025-05-07	2025-03-31	28,821,053	10.8%
Syncona Portfolio Limited	SCHEDULE 13G/A	2025-05-07	2025-03-31	28,821,053	10.8%
Syncona Holdings Limited	SCHEDULE 13G/A	2025-05-07	2025-03-31	28,821,053	10.8%
Christopher Hollowood	SCHEDULE 13G/A	2025-05-07	2025-03-31	28,821,053	10.8%
Kenneth Galbraith	SCHEDULE 13G/A	2025-05-07	2025-03-31	28,821,053	10.8%
Wellington Management Company LLP	SCHEDULE 13G/A	2025-04-04	2025-03-31	27,091,700	10.1%

Source: SEC Form 13F-HR information tables for the quarter ending 2026-06-30 (filed within 45 days of quarter end; amendments applied; values normalised to dollars), the share count from the company's latest 10-K/10-Q XBRL cover page, and Schedule 13D/13G filings. Each row is a legal 13F filer as filed — related entities (e.g. Vanguard's advisers) are not merged. Retail brokerage accounts are not reported on 13F, so the remainder is mostly retail and insiders.