Who Owns ISHARES TR (AMPS1)? -- Institutional Holders (2026-03-31)

5 institutions reported holding $329.0M of ISHARES TR (AMPS1) in SEC 13F filings for 2026-03-31. Largest institutional holders: JPMORGAN CHASE & CO ($219.8M), IMC-Chicago, LLC ($39.1M), GROUP ONE TRADING LLC ($38.5M), SIMPLEX TRADING, LLC ($31.4M), Marathon Trading Investment Management LLC ($140,520). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1JPMORGAN CHASE & CO$219.8M4.8MAdded
2IMC-Chicago, LLC$39.1M792,400Added
3GROUP ONE TRADING LLC$38.5M803,200Added
4SIMPLEX TRADING, LLC$31.4M613,200Trimmed
5Marathon Trading Investment Management LLC$140,5203,000New

Source: SEC Form 13F filings · as of 2026-03-31