10 institutions reported holding $123.2M of AMERICAN INTL GROUP INC (AIG.WS) in SEC 13F filings for 2026-03-31. Largest institutional holders: JPMORGAN CHASE & CO ($70.5M), IMC-Chicago, LLC ($23.5M), GROUP ONE TRADING LLC ($12.6M), SIMPLEX TRADING, LLC ($11.3M), Capital Markets Trading UK LLP ($2.8M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | JPMORGAN CHASE & CO | $70.5M | 952,000 | Trimmed |
| 2 | IMC-Chicago, LLC | $23.5M | 312,800 | Trimmed |
| 3 | GROUP ONE TRADING LLC | $12.6M | 167,400 | Trimmed |
| 4 | SIMPLEX TRADING, LLC | $11.3M | 150,400 | Trimmed |
| 5 | Capital Markets Trading UK LLP | $2.8M | 37,500 | Trimmed |
| 6 | CenterStar Asset Management, LLC | $2.4M | 32,400 | Added |
| 7 | SG Americas Securities, LLC | $0 | 0 | Exited |
| 8 | Maven Securities LTD | $0 | 0 | Exited |
| 9 | Assenagon Asset Management S.A. | $0 | 0 | Exited |
| 10 | AlphaCore Capital LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31