15 institutions reported holding $41.8M of BLACKROCK ETF TRUST (ISMF) in SEC 13F filings for 2026-03-31. Largest institutional holders: BlackRock, Inc. ($16.4M), ASSETMARK, INC ($15.6M), Trek Financial, LLC ($5.0M), AlTi Global, Inc. ($1.8M), AE Wealth Management LLC ($1.0M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $16.4M | 600,155 | Added |
| 2 | ASSETMARK, INC | $15.6M | 569,953 | New |
| 3 | Trek Financial, LLC | $5.0M | 184,929 | New |
| 4 | AlTi Global, Inc. | $1.8M | 67,500 | Added |
| 5 | AE Wealth Management LLC | $1.0M | 37,509 | New |
| 6 | EHRLICH FINANCIAL GROUP | $536,763 | 19,670 | New |
| 7 | Sanchez Gaunt Capital Management, LLC | $450,350 | 16,503 | New |
| 8 | JANE STREET GROUP, LLC | $415,848 | 15,239 | New |
| 9 | Ameritas Advisory Services, LLC | $244,913 | 8,975 | New |
| 10 | Bruce G. Allen Investments, LLC | $86,095 | 3,155 | Added |
| 11 | Lloyd Advisory Services, LLC. | $65,656 | 2,406 | New |
| 12 | Kingdom Financial Group LLC. | $65,656 | 2,406 | New |
| 13 | JPMORGAN CHASE & CO | $31,315 | 1,150 | New |
| 14 | Royal Bank of Canada | $11,000 | 400 | Added |
| 15 | Rossby Financial, LCC | $9,785 | 357 | New |
Source: SEC Form 13F filings · as of 2026-03-31