2 institutions reported holding $1.7M of ABRDN ETFS (AOIL) in SEC 13F filings for 2026-03-31. Largest institutional holders: SIMPLEX TRADING, LLC ($1.6M), GROUP ONE TRADING LLC ($155,456). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $1.6M | 64,200 | Added |
| 2 | GROUP ONE TRADING LLC | $155,456 | 6,400 | New |
Source: SEC Form 13F filings · as of 2026-03-31