IUSB holdings

Computed by this site from the fund's SEC Form N-PORT filing; what the measure does not tell you · every fund in one table · hold it with other funds? X-ray the mix. Pricing: 4.99% at a quoted market price (level 1), 77 issuer countries.

The largest line in IUSB's filing is not a stock but BlackRock Liquidity TempCash Funds: Institutional Shares, a short-term position at 2.88% of net assets. Ten companies are 7.38% of the fund; the other 18,094 share the rest. Among the 192 bond funds measured here, IUSB behaves like 377.1 holdings against a median of 236.4 — 1.6 times the median. Across 27 quarterly filings IUSB has become less concentrated: it behaved like 177.2 at 2019-10-31 and 604.4 at 2026-04-30. Between the 2026-01-31 and 2026-04-30 filings 851 positions were added and 739 dropped; 10.0% of the weight moved. the United States is the largest country at 88.15% of the portfolio, across 77 countries in the filing.

Each sentence is read from the fund's own SEC filing; the class median is computed across the comparable bond funds on this site. Nothing here is a view on the fund.

Between 2019-10-31 and 2026-04-30, IUSB went from behaving like 177.2 equally weighted positions to 604.4 — 241% more, while its top ten went from 13.61% to 6.03% of net assets. Read across the funds on the concentration-over-time table.

One row per filed reporting period, newest first, read from EDGAR. Quarterly because that is the public filing cadence. Rows marked * are published but held out of the comparison above; the methodology page says when and why.

The 15 largest of 18,104 positions in IUSB's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: listed with the point-in-time files, available on request.

Share of IUSB's own investments by the issuer country the filer reported (incorporation, not revenue). Each country links to every fund that holds it.

Monthly total returns from Item B.5 of IUSB's own filings, 81 months on record. Not computed here and not from a price feed.

Cross-checked against a series computed separately from prices: median difference 0.07 percentage points over 81 months, which is roughly the distributions. Every month with the filing it came from: IUSB.json · all funds.

The fund lends its holdings, and Item B.4.a of the filing names every firm holding them. At 2026-07-31, $330m was out to 23 borrowers. The largest, BARCLAYS BANK PLC, held 19.6% of it.

The filing reports no cash collateral position against this loan. Collateral taken in a form the fund does not hold as a position does not appear in N-PORT, so this is silence rather than absence. What the collateral figure can and cannot show. Every quarter IUSB has filed, with each borrower: IUSB.json · all funds.

17,665 positions became 17,777: 851 added (6.7% of the fund at the later date), 739 dropped (5.3% at the earlier date). Half the sum of all weight changes, a turnover proxy: 10.0%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of IUSB compared this way, as a feed: changes.xml · all funds: filings received.

New: United States of America (0.29%), United States of America (0.28%), United States of America (0.28%), Federal National Mortgage Association or Federal Home Loan M (0.22%), Government National Mortgage Association (0.21%), Federal National Mortgage Association or Federal Home Loan M (0.20%). Gone: United States of America (0.24%), United States of America (0.24%), United States of America (0.24%), Federal National Mortgage Association or Federal Home Loan M (0.19%), United States of America (0.18%), Federal National Mortgage Association or Federal Home Loan M (0.18%).

5.0% of IUSB is carried at a quoted market price (fair-value level 1); 0.0% at level 3, priced from the filer's own inputs. Categories and levels are the filer's, from Form N-PORT; what a low level-1 share does and does not mean is in the measure's page.

Every measured debt fund lined up by how many holdings it behaves like; these sit either side of IUSB (377.1). Same filings, same arithmetic. Position in this list says nothing about which fund is better.