Who owns iShares Core 1-5 Year USD Bond ETF?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of ISTB from SEC Form 13F filings across 402 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 402 institutions disclosed 79.3M shares of iShares Core 1-5 Year USD Bond ETF worth $3.82B — about 75.4% of shares outstanding; the largest disclosed holder is Acorns Advisers, LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
402
13F holders
$3.82B
value, 2026 filers
75.4%
of shares outstanding (79.3M sh)
46
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of ISTB's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Acorns Advisers, LLC | 12.8M | $616.1M | 4.0% | 12.1% | +8.0% |
| 2 | BlackRock, Inc. | 7.8M | $374.2M | 0.0% | 7.4% | +35.4% |
| 3 | STATE OF WISCONSIN INVESTMENT BOARD | 5.5M | $267.8M | 0.5% | 5.3% | +2.5% |
| 4 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.6M | $126.7M | 0.0% | 2.5% | +2.2% |
| 5 | Triad Wealth Partners, LLCNEW | 2.6M | $124.7M | 7.4% | 2.5% | new |
| 6 | RAYMOND JAMES FINANCIAL INC | 2.4M | $116.8M | 0.0% | 2.3% | +5.8% |
| 7 | JONES FINANCIAL COMPANIES LLLP | 2.1M | $99.4M | 0.0% | 2% | +16.7% |
| 8 | Mariner, LLC | 1.4M | $68.0M | 0.1% | 1.3% | +6.7% |
| 9 | SPINNAKER TRUST | 1.4M | $66.1M | 3.2% | 1.3% | -0.7% |
| 10 | Townsend & Associates, Inc | 1.2M | $59.6M | 5.1% | 1.2% | +2.9% |
| 11 | CAHABA WEALTH MANAGEMENT, INC. | 1.2M | $58.6M | 3.5% | 1.2% | +7.5% |
| 12 | LJI Wealth Management, LLC | 1.2M | $57.8M | 8.1% | 1.1% | +5404.9% |
| 13 | Seven Springs Wealth Group, LLC | 1.1M | $55.2M | 12.1% | 1.1% | -15.6% |
| 14 | Financial Solutions Advisory Group, Inc.NEW | 1.1M | $54.0M | 6.8% | 1.1% | new |
| 15 | MORGAN STANLEY | 1.1M | $54.0M | 0.0% | 1.1% | +20.0% |
| 16 | Prosperity Planning, Inc. | 1.1M | $53.0M | 12.1% | 1% | +7.9% |
| 17 | TRUST POINT INC. | 1.1M | $52.9M | 4.5% | 1% | +0.3% |
| 18 | Apella Capital, LLC | 1.1M | $52.2M | 0.7% | 1% | +14.5% |
| 19 | UBS Group AG | 983,998 | $47.5M | 0.0% | 0.9% | +4.5% |
| 20 | JPMORGAN CHASE & CO | 967,738 | $46.7M | 0.0% | 0.9% | -1.9% |
| 21 | BANK OF AMERICA CORP /DE/ | 941,481 | $45.4M | 0.0% | 0.9% | +2.3% |
| 22 | MBL Wealth, LLC | 874,816 | $42.2M | 2.9% | 0.8% | +4.8% |
| 23 | LPL Financial LLC | 852,550 | $41.1M | 0.0% | 0.8% | -3.8% |
| 24 | BARTLETT & CO. WEALTH MANAGEMENT LLC | 852,449 | $41.1M | 0.5% | 0.8% | +15.0% |
| 25 | WELLS FARGO & COMPANY/MN | 711,800 | $34.3M | 0.0% | 0.7% | +3.9% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.