9 institutions reported holding $11.4M of Ishares S&P500 (TOPC) in SEC 13F filings for 2026-03-31. Largest institutional holders: BlackRock, Inc. ($5.2M), AGF MANAGEMENT LTD ($2.9M), Royal Bank of Canada ($1.2M), CITADEL ADVISORS LLC ($1.1M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($875,049). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $5.2M | 173,000 | Trimmed |
| 2 | AGF MANAGEMENT LTD | $2.9M | 95,690 | Added |
| 3 | Royal Bank of Canada | $1.2M | 39,417 | Added |
| 4 | CITADEL ADVISORS LLC | $1.1M | 35,638 | New |
| 5 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $875,049 | 29,168 | Added |
| 6 | Granite Bay Wealth Management, LLC | $205,382 | 6,846 | Hold |
| 7 | NATIONAL BANK OF CANADA /FI/ | $35,238 | 1,175 | New |
| 8 | Advisory Services Network, LLC | $9,450 | 315 | New |
| 9 | Federation des caisses Desjardins du Quebec | $3,750 | 125 | New |
Source: SEC Form 13F filings · as of 2026-03-31