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AUTL

Autolus Therapeutics plc
$1.58 +0.00 (+0.00%) At close · Jul 2
Market Cap
$420.53M
Shares
266,155,786

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 84
Total Value: $185,989,173
Total Shares: 134,774,791

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 84 13F filers · Δ vs Dec 31, 2025
Top Holder
24.9%
Jun 2023 → Mar 2026 · range 12.0% – 24.9%
+3.4 pts
Top 5
71.3%
Jun 2023 → Mar 2026 · range 45.9% – 75.0%
+3.7 pts
Top 10
88.3%
Jun 2023 → Mar 2026 · range 66.0% – 89.7%
+3.1 pts
HHI
1,276
Jun 2023 → Mar 2026 · range 584 – 1,276
Broadly held+160

Quarterly Activity

vs Dec 31, 2025
New
9
Increased
23
Decreased
29
Sold Out
14
Unchanged
23
Holder count: -5
Institutional value: -32.9%
Shares held: -3.3%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Small MAK CAPITAL ONE LLC +3,616,144 33,621,487
Mega UBS Group AG +428,679 1,305,779
Large Point72 Asset Management, L.P. +121,624 426,983
Mega GOLDMAN SACHS GROUP INC +88,664 116,413
Small SmartHarvest Portfolios, LLC +37,820 59,185

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega BlackRock, Inc. −2,205,093 1,480,732
Large ACADIAN ASSET MANAGEMENT LLC −1,776,520 27,597
Mid ARMISTICE CAPITAL, LLC −1,700,000 15,800,000
Large RENAISSANCE TECHNOLOGIES LLC −805,905 2,299,499
Mega CITADEL ADVISORS LLC −628,887 585,804

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Large Balyasny Asset Management L.P. 971,691 $1,340,933
Large Marex Group plc 542,857 $749,142
Mega MILLENNIUM MANAGEMENT LLC 204,728 $282,524
Mid Aquatic Capital Management LLC 114,398 $157,869
Mid Waverly Advisors, LLC 26,870 $37,080

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Small Atle Fund Management AB 1,169,634 $2,327,571
Small Arizona PSPRS Trust 150,000 $298,500
Mid GSA CAPITAL PARTNERS LLP 119,546 $237,896
Mid OpenArc Corporate Advisory, LLC 84,850 $168,851
Mid Avanza Fonder AB 53,522 $106,508
Filter: New 9 Increased 23 Reduced 29 Sold out 14 Unchanged 23
Showing 87 of 87
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Small MAK CAPITAL ONE LLC $46,397,652 24.95% 33,621,487
Large Blackstone Inc. $28,270,143 15.20% 20,485,611
Micro Syncona Portfolio Ltd $22,964,193 12.35% 16,640,720
Mid ARMISTICE CAPITAL, LLC $21,804,000 11.72% 15,800,000
Small Tetragon Partners GP Ltd $13,110,000 7.05% 9,500,000
Mega SCHRODER INVESTMENT MANAGEMENT GROUP $13,095,296 7.04% 9,489,345
Mid Frazier Life Sciences Management, L.P. $6,138,115 3.30% 4,447,910
Large BNP PARIBAS ASSET MANAGEMENT Holding S.A. $4,638,395 2.49% 3,361,156
Mid Laurion Capital Management LP $4,576,943 2.46% 3,316,626
Large RENAISSANCE TECHNOLOGIES LLC $3,173,308 1.71% 2,299,499
Mega BANK OF AMERICA CORP /DE/ Bank $2,545,645 1.37% 1,844,671
Mega BlackRock, Inc. $2,043,410 1.10% 1,480,732
Mega UBS Group AG $1,801,973 0.97% 1,305,779
Large Cetera Investment Advisers $1,558,122 0.84% 1,129,074
Large Balyasny Asset Management L.P. $1,340,933 0.72% 971,691
Mega MORGAN STANLEY $1,299,714 0.70% 941,823
Mega JPMORGAN CHASE & CO $1,290,854 0.69% 935,403
Mid Alphabet Inc. $963,601 0.52% 698,262
Large Marex Group plc $749,142 0.40% 542,857
Mega CITADEL ADVISORS LLC $633,977 0.34% 459,404
Mid Hennion & Walsh Asset Management, Inc. $607,484 0.33% 440,206
Large Point72 Asset Management, L.P. $589,236 0.32% 426,983
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $550,817 0.30% 399,143
Small Privium Fund Management B.V. $501,533 0.27% 363,430
Small EDENTREE ASSET MANAGEMENT Ltd $414,000 0.22% 300,000
Mega JANE STREET GROUP, LLC $339,182 0.18% 245,785
Mega WELLS FARGO & COMPANY/MN $286,840 0.15% 207,856
Mega MILLENNIUM MANAGEMENT LLC $282,524 0.15% 204,728
Large Erste Asset Management GmbH $269,100 0.14% 195,000
Small DAFNA Capital Management LLC $247,456 0.13% 179,316
Small Diametric Capital, LP $246,648 0.13% 178,731
Mega JANE STREET GROUP, LLC $232,530 0.13% 168,500
Micro NANO CAP NEW MILLENNIUM GROWTH FUND L P $207,000 0.11% 150,000
Small Aubrey Capital Management Ltd $179,400 0.10% 130,000
Mega CITADEL ADVISORS LLC $174,432 0.09% 126,400
Mid Clearstead Advisors, LLC $167,127 0.09% 121,107
Mega GOLDMAN SACHS GROUP INC $160,649 0.09% 116,413
Mid Aquatic Capital Management LLC $157,869 0.08% 114,398
Mega GEODE CAPITAL MANAGEMENT, LLC $152,597 0.08% 110,578
Mid Leonteq Securities AG Broker-Dealer $138,000 0.07% 100,000
Mega STATE STREET CORP $115,285 0.06% 83,540
Small HighPoint Advisor Group LLC $92,460 0.05% 67,000
Large SG Americas Securities, LLC Broker-Dealer $91,227 0.05% 66,107
Small SmartHarvest Portfolios, LLC $81,675 0.04% 59,185
Mid XTX Topco Ltd $77,838 0.04% 56,405
Mid Quadrature Capital Ltd $75,531 0.04% 54,733
Mega Invesco Ltd. $73,351 0.04% 53,153
Small Caitong International Asset Management Co., Ltd $71,190 0.04% 51,587
Large TUDOR INVESTMENT CORP ET AL $63,773 0.03% 46,213
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $63,133 0.03% 45,749
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $60,444 0.03% 43,800
Small TWO SIGMA SECURITIES, LLC Broker-Dealer $59,977 0.03% 43,462
Small R Squared Ltd $54,613 0.03% 39,575
Mega LPL Financial LLC $51,922 0.03% 37,625
Mid China Universal Asset Management Co., Ltd. $49,123 0.03% 35,597
Mega RHUMBLINE ADVISERS $48,232 0.03% 34,951
Large Rathbones Group PLC $38,709 0.02% 28,050
Large ACADIAN ASSET MANAGEMENT LLC $38,083 0.02% 27,597
Mid PRELUDE CAPITAL MANAGEMENT, LLC $37,536 0.02% 27,200
Mid Waverly Advisors, LLC $37,080 0.02% 26,870
Large MARSHALL WACE, LLP $36,821 0.02% 26,682
Large OSAIC HOLDINGS, INC. $33,912 0.02% 24,574
Small Delaney Dennis R $33,120 0.02% 24,000
Mid SIMPLEX TRADING, LLC $32,624 0.02% 23,641
Mid Independent Advisor Alliance $30,828 0.02% 22,340
Mid Tower Research Capital LLC (TRC) $28,313 0.02% 20,517
Small Icon Wealth Advisors, LLC $20,700 0.01% 15,000
Small DUMONT & BLAKE INVESTMENT ADVISORS LLC $20,700 0.01% 15,000
Mid SIH Partners, LLLP $20,544 0.01% 14,887
Mid Vanguard Personalized Indexing Management, LLC $19,480 0.01% 14,116
Mid Apollon Wealth Management, LLC $19,324 0.01% 14,003
Small Claro Advisors Inc. $17,250 0.01% 12,500
Mid QRG CAPITAL MANAGEMENT, INC. $15,076 0.01% 10,925
Large Mirae Asset Global Investments Co., Ltd. $14,438 0.01% 10,463
Small WEALTH EFFECTS LLC $13,800 0.01% 10,000
Mega BARCLAYS PLC $11,141 0.01% 8,074
Mid GAMMA Investing LLC $9,922 0.01% 7,190
Mid TrinityBridge Ltd $8,694 0.00% 6,300
Mega CITIGROUP INC $7,736 0.00% 5,606
Mega BNP PARIBAS ARBITRAGE, SA $6,323 0.00% 4,582
Mid GF FUND MANAGEMENT CO. LTD. $6,172 0.00% 4,473
Small CALDWELL SUTTER CAPITAL, INC. $690 0.00% 500
Mid MAI Capital Management $260 0.00% 189
Small Byrne Asset Management LLC $138 0.00% 100
Mid SBI Securities Co., Ltd. Broker-Dealer $75 0.00% 55
Mid Allworth Financial LP $69 0.00% 50
Large HUNTINGTON NATIONAL BANK Bank $1 0.00% 1
Key facts CIK 1730463 CUSIP 05280R100 Visit website Investor relations

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