Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in AUTL held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | MAK CAPITAL ONE LLC | 33.6M | $53.8M | 0.0% | 12.633% | 7.54% |
| 2 | Blackstone Inc. | 20.5M | $32.8M | 0.0% | 7.697% | 0.08% |
| 3 | Syncona Portfolio Ltd | 16.6M | $26.6M | 0.0% | 6.252% | 100.00% |
| 4 | ARMISTICE CAPITAL, LLC | 15.0M | $24.0M | -5.1% | 5.636% | 0.29% |
| 5 | Tetragon Partners GP Ltd | 9.5M | $15.2M | 0.0% | 3.569% | 2.39% |
| 6 | SCHRODER INVESTMENT MANAGEMENT GROUP | 7.8M | $12.9M | -17.4% | 2.943% | 0.01% |
| 7 | Frazier Life Sciences Management, L.P. | 4.4M | $7.1M | 0.0% | 1.671% | 0.15% |
| 8 | BNP Paribas Asset Management Holding S.A. | 3.4M | $5.4M | 0.0% | 1.263% | 0.01% |
| 9 | Laurion Capital Management LP | 3.3M | $5.3M | 0.0% | 1.246% | 0.14% |
| 10 | RENAISSANCE TECHNOLOGIES LLC | 2.0M | $3.2M | -13.7% | 0.746% | 0.00% |
| 11 | BANK OF AMERICA CORP /DE/ | 1.6M | $2.6M | -13.0% | 0.603% | 0.00% |
| 12 | BlackRock, Inc. | 1.6M | $2.6M | +8.3% | 0.603% | 0.00% |
| 13 | UBS Group AG | 1.5M | $2.4M | +16.2% | 0.570% | 0.00% |
| 14 | MORGAN STANLEY | 1.3M | $2.0M | +33.9% | 0.474% | 0.00% |
| 15 | MILLENNIUM MANAGEMENT LLC | 1.2M | $2.0M | +498.3% | 0.460% | 0.00% |
| 16 | Cetera Investment Advisers | 1.2M | $1.9M | +2.5% | 0.435% | 0.00% |
| 17 | BALYASNY ASSET MANAGEMENT L.P. | 973K | $1.6M | +0.1% | 0.365% | 0.00% |
| 18 | JPMORGAN CHASE & CO | 913K | $1.5M | -2.4% | 0.343% | 0.00% |
| 19 | CITADEL ADVISORS LLC | 806K | $1.3M | +37.5% | 0.303% | 0.00% |
| 20 | Alphabet Inc. | 698K | $1.1M | 0.0% | 0.262% | 0.00% |
| 21 | JANE STREET GROUP, LLC | 511K | $818K | +23.4% | 0.192% | 0.00% |
| 22 | Privium Fund Management B.V. | 363K | $581K | 0.0% | 0.137% | 0.11% |
| 23 | EDENTREE ASSET MANAGEMENT Ltd | 300K | $477K | 0.0% | 0.113% | 0.15% |
| 24 | XTX Topco Ltd | 287K | $460K | +409.6% | 0.108% | 0.01% |
| 25 | WELLS FARGO & COMPANY/MN | 213K | $340K | +2.3% | 0.080% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in AUTL — a direct measure of their conviction.
Filings activity in AUTL during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 82 | 1.2% | 49.62% | 0.86 pp | $212M | +15% |
| Q1 2026 | 83 | 5.7% | 50.48% | 1.69 pp | $184M | 31% |
| Q4 2025 | 88 | 5.4% | 52.17% | 2.05 pp | $265M | +16% |
| Q3 2025 | 93 | 1.1% | 54.22% | 7.99 pp | $230M | 38% |
| Q2 2025 | 94 | +1.1% | 62.21% | 0.72 pp | $371M | +45% |
| Q1 2025 | 93 | 11% | 62.93% | 0.12 pp | $255M | 34% |
| Q4 2024 | 105 | +9.4% | 63.05% | 3.87 pp | $386M | 39% |
| Q3 2024 | 96 | — | 66.92% | — | $630M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying AUTL stock.
Based on Q2 2026 13F filings, institutional ownership of Autolus Therapeutics plc stands at 49.6%, held across 82 reporting institutions.
MAK CAPITAL ONE LLC is the largest reported institutional holder of AUTL, with approximately 33,621,487 shares worth $0.05B as of Q2 2026.
Yes — 4 widely-followed marquee investors appear among the top 25 institutional holders of AUTL, including RENAISSANCE TECHNOLOGIES LLC, MILLENNIUM MANAGEMENT LLC, CITADEL ADVISORS LLC, JANE STREET GROUP, LLC.
Our composite Smart Money Score for AUTL is 49 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
7 institutions opened new positions in AUTL during Q2 2026, while 10 fully exited. 64 added to existing positions and 9 trimmed.
AUTL institutional ownership fell by 0.86 percentage points quarter-over-quarter, with a net change of -1 holders.
The top 10 institutions account for 88.1% of all reported 13F value in AUTL, and the top 25 account for 98.3%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Autolus Therapeutics plc (AUTL) Institutional Ownership