iShares Core 1-5 Year USD Bond ETF of iShares Trust (ISTB)
ETF ยท Nasdaq
iShares Core 1-5 Year USD Bond ETF of iShares Trust (ISTB) is an exchange-traded fund listed on Nasdaq, where it has traded since October 18, 2012.
- Type
- Exchange-traded fund
- Listed On
- Nasdaq
- Listed Since
- October 18, 2012
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 396 institutions reported holding ISTB, with 79.0 million shares worth $3.8 billion in aggregate. The largest reported holder was Acorns Advisers, with 12.8 million shares worth $616.1 million. Of the 5 largest holders listed below, 1 opened a new position in ISTB and 4 added shares during the quarter.
| Institution | Shares | Value | Quarter change |
|---|---|---|---|
| Acorns Advisers | 12,768,271 | $616M | Added 8.01% |
| BlackRock | 7,755,189 | $374M | Added 35.39% |
| State of Wisconsin Investment Board | 5,549,725 | $268M | Added 2.49% |
| Charles Schwab Investment Management | 2,625,257 | $127M | Added 2.19% |
| Triad Wealth Partners | 2,603,382 | $125M | New position |
Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.
Frequently asked questions
What is ISTB?
iShares Core 1-5 Year USD Bond ETF of iShares Trust (ISTB) is an exchange-traded fund listed on Nasdaq, where it has traded since October 18, 2012.
Who are the largest institutional holders of ISTB?
In 13F filings for the quarter ended June 30, 2026, the largest reported holders of ISTB were Acorns Advisers, BlackRock and State of Wisconsin Investment Board.
How many institutions own ISTB?
396 institutions reported a position in ISTB for the quarter ended June 30, 2026, worth $3.8 billion in total.
Did institutions buy or sell ISTB last quarter?
Of the 5 largest reported holders, 1 opened a new position in ISTB and 4 added shares during the quarter. Every reported holder and its change is on the SentiSense ownership page for ISTB.
Every reported institutional holder, plus insider and congressional trades in ISTB, on SentiSense.