Autolus Therapeutics plc
AUTL- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001730463
In the last 90 days, Autolus Therapeutics plc insiders filed 0 open-market purchases and 1 sale; 83 institutions reported holding it in 13F filings for Q2 2026, worth $212.0M in total; no superinvestor holds it.
Holders of 5% or more of AUTL
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Autolus Therapeutics plc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| MAK Capital Fund LP | 13G/A | 11.30%30.0M shares | +1.20 ppfrom 10.10% | Jun 25, 20253 filings | Feb 13, 2026 | SEC |
| Syncona Portfolio Ltd | 13G/A | 10.80%28.8M shares | – | May 7, 20251 filing | May 7, 2025 | SEC |
| Armistice Capital, LLC | 13G/A | 6.58%17.5M shares | +0.72 ppfrom 5.86% | Nov 14, 20252 filings | Feb 17, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
10 Schedule 13D and 13G filings on Autolus Therapeutics plc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Feb 17, 20269:51 PM ET | Armistice Capital, LLCand 1 other | 13G/A | 6.58%17.5M shares | +0.72 ppfrom 5.86% | Dec 31, 2025 | SEC |
| Feb 13, 20264:07 PM ET | MAK Capital Fund LPand 2 others | 13G/A | 11.30%30.0M shares | +1.20 ppfrom 10.10% | Dec 31, 2025 | SEC |
| Dec 3, 20254:04 PM ET | MAK Capital Fund LPand 2 others | 13G/A | 10.10%26.9M shares | +4.30 ppfrom 5.80% | Dec 1, 2025 | SEC |
| Nov 14, 20256:38 PM ET | Armistice Capital, LLCand 1 other | 13G | 5.86%15.6M shares | New | Sep 30, 2025 | SEC |
| Nov 14, 20258:08 AM ET | Deep Track Capital, LPand 2 others | 13G/A | 0.97%2.57M shares | –Below 5% | Sep 30, 2025 | SEC |
| Oct 6, 202512:22 PM ET | Wellington Management Group LLPand 2 others | 13G/A | 0.00%0 shares | −10.20 ppfrom 10.20%Below 5% | Sep 30, 2025 | SEC |
| Jun 25, 20256:36 PM ET | MAK Capital Fund LPand 2 others | 13G | 5.80%15.4M shares | New | Jun 17, 2025 | SEC |
| May 12, 202510:24 AM ET | FMR LLCand 1 other | 13G/A | 3.80%10.2M shares | –Below 5% | Mar 31, 2025 | SEC |
| May 7, 20259:00 AM ET | Syncona Portfolio Ltdand 6 others | 13G/A | 10.80%28.8M shares | – | Mar 31, 2025 | SEC |
| Apr 4, 20259:46 AM ET | Wellington Management Group LLPand 3 others | 13G/A | 10.20%27.1M shares | – | Mar 31, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Autolus Therapeutics plc shares.
No Form 144 notices for Autolus Therapeutics plc are on file.