Fund · Dimensional Ultrashort Fixed Income ETF · measured from SEC filings
DUSB holdings
DUSB reports 571 holdings and behaves like 240.9 equally weighted ones, computed from its SEC Form N-PORT filing for 2026-07-31. The fact sheet publishes the first number; this page computes the second, and traces it across 11 quarters of filings.
Measured concentration
as of 2026-07-31Computed 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: 0% at a quoted market price (level 1), 22 issuer countries, 24.98% restricted securities.
What stands out
as of 2026-07-31DUSB's largest investment is Cooperatieve Rabobank UA NY at 1.51% of net assets. Sanofi SA and Lvmh Moet Hennessy Vuitt follow; the three together are 3.85%. Ten companies are 9.21% of the fund; the other 561 share the rest. Among the 192 bond funds measured here, DUSB behaves like 240.9 holdings against a median of 236.4 — close to the median. Across 11 quarterly filings DUSB has become less concentrated: it behaved like 166.2 at 2023-10-31 and 212 at 2026-04-30. Between the 2026-01-31 and 2026-04-30 filings 261 positions were added and 219 dropped; 56.0% of the weight moved. the United States is the largest country at 68.78% of the portfolio, across 22 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.
Every filing since 2023
11Between 2023-10-31 and 2026-04-30, DUSB went from behaving like 166.2 equally weighted positions to 212 — 28% more, while its top ten went from 12.85% to 10.48% of net assets. Read across the funds on the concentration-over-time table.
| Period | Holdings | Effective | Top 10 | Largest |
|---|---|---|---|---|
| 2026-04-30 | 471 | 212 | 10.48% | 1.53% |
| 2026-01-31 | 429 | 214.6 | 10.41% | 1.42% |
| 2025-10-31 | 436 | 218.9 | 9.59% | 1.19% |
| 2025-07-31 | 454 | 211 | 10.3% | 2.27% |
| 2025-04-30 | 436 | 209 | 10.66% | 2.72% |
| 2025-01-31 | 478 | 199.8 | 11.59% | 3.28% |
| 2024-10-31 | 457 | 158.5 | 13.55% | 4.58% |
| 2024-07-31 | 471 | 133.1 | 15.49% | 5.73% |
Earlier filings (3 more, back to 2023-10-31)
| Period | Holdings | Effective | Top 10 | Largest |
|---|---|---|---|---|
| 2024-04-30 | 466 | 99.7 | 18.27% | 7.44% |
| 2024-01-31 | 445 | 43.7 | 24.61% | 13.77% |
| 2023-10-31 | 250 | 166.2 | 12.85% | 1.64% |
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.
Largest positions, as filed
as of 2026-04-30The 15 largest of 571 positions in DUSB's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: DUSB.csv.gz.
| # | Position | Weight | Cumulative |
|---|---|---|---|
| 1 | Cooperatieve Rabobank UA (New York Branch) | 1.53% | 1.5% |
| 2 | SANOFI SA | 1.31% | 2.8% |
| 3 | LVMH MOET HENNESSY LOUIS VUITTON SE | 1.07% | 3.9% |
| 4 | CISCO SYSTEMS, INC. | 1.02% | 4.9% |
| 5 | Chevron U.S.A. Inc. | 1.00% | 5.9% |
| 6 | INTERNATIONAL FINANCE CORPORATION | 1.00% | 6.9% |
| 7 | Mizuho Financial Group, Inc. | 0.94% | 7.9% |
| 8 | PFIZER INC. | 0.88% | 8.7% |
| 9 | SIMON PROPERTY GROUP, L.P. | 0.87% | 9.6% |
| 10 | CHEVRON PHILLIPS CHEMICAL COMPANY LLC | 0.87% | 10.5% |
| 11 | GLAXOSMITHKLINE CAPITAL PLC | 0.84% | 11.3% |
| 12 | TELSTRA GROUP LIMITED | 0.84% | 12.2% |
| 13 | LLOYDS BANK PLC | 0.82% | 13.0% |
| 14 | COMMONWEALTH BANK OF AUSTRALIA | 0.73% | 13.7% |
| 15 | PHILLIPS 66 | 0.70% | 14.4% |
By country of issuer
as of 2026-04-30Share of DUSB's own investments by the issuer country the filer reported (incorporation, not revenue). Each country links to every fund that holds it.
| Country | Share |
|---|---|
| United States | 66.61% |
| Canada | 7.25% |
| Australia | 6.82% |
| France | 6.44% |
| Japan | 3.70% |
| United Kingdom | 3.57% |
| Sweden | 1.69% |
| Germany | 1.47% |
Returns the fund reported
2023-08 – 2026-04Monthly total returns from Item B.5 of DUSB's own filings, 33 months on record. Not computed here and not from a price feed.
Cross-checked against a series computed separately from prices: median difference — percentage points over 0 months, which is roughly the distributions. Every month with the filing it came from: DUSB.json · all funds.
Who borrows DUSB's shares
2026-07-31The fund lends its holdings, and Item B.4.a of the filing names every firm holding them. At 2026-07-31, $9m was out to 8 borrowers. The largest, JP MORGAN SECURITIES LLC, held 29.9% of it.
| Borrower | On loan | Share of the loan |
|---|---|---|
| JP MORGAN SECURITIES LLC | $3m | 29.9% |
| Jefferies LLC | $2m | 21.1% |
| BofA Securities, Inc. | $2m | 20.6% |
| MORGAN STANLEY & CO LLC | $987,874 | 10.9% |
| BMO Capital Markets | $524,302 | 5.8% |
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 DUSB has filed, with each borrower: DUSB.json · all funds.
Since the previous filing
2026-01-31 → 2026-04-30429 positions became 471: 261 added (49.6% of the fund at the later date), 219 dropped (53.2% at the earlier date). Half the sum of all weight changes, a turnover proxy: 56.0%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of DUSB compared this way, as a feed: changes.xml · all funds: filings received.
| Largest increases | 2026-01-31 | 2026-04-30 | Largest decreases | 2026-01-31 | 2026-04-30 |
|---|---|---|---|---|---|
| Cooperatieve Rabobank UA (New York Branch) | 0.75% | 1.53% | SANOFI SA | 1.42% | 1.31% |
| Eversource Energy | 0.02% | 0.63% | Chevron U.S.A. Inc. | 1.09% | 1.00% |
| SEMPRA | 0.12% | 0.68% | United States of America | 0.44% | 0.37% |
| Element Fleet Management Corp. | 0.18% | 0.66% | International Bank for Reconstruction and Development | 0.31% | 0.23% |
| CVS HEALTH CORPORATION | 0.30% | 0.69% | GLAXOSMITHKLINE CAPITAL PLC | 0.92% | 0.84% |
| PENSKE TRUCK LEASING CO., L.P. | 0.26% | 0.63% | PFIZER INC. | 0.95% | 0.88% |
New: LVMH MOET HENNESSY LOUIS VUITTON SE (1.07%), CISCO SYSTEMS, INC. (1.02%), Mizuho Financial Group, Inc. (0.94%), SIMON PROPERTY GROUP, L.P. (0.87%), CHEVRON PHILLIPS CHEMICAL COMPANY LLC (0.87%), TELSTRA GROUP LIMITED (0.84%). Gone: Province of Alberta (1.32%), CAISSE DES DEPOTS ET CONSIGNATIONS (0.95%), BASF SE (0.94%), ERAC USA FINANCE LLC (0.89%), LSEG US FIN CORP. (0.88%), ARCHER-DANIELS-MIDLAND COMPANY. (0.82%).
Asset categories and pricing
as of 2026-07-3196.31% debt, 3.69% short-term investment as filed; 0.0% carried at a quoted market price (fair-value level 1). Categories and levels are the filer's; what a low level-1 share does and does not mean is in the measure's page.
Neighbours by effective holdings, debt funds
10Every measured debt fund lined up by how many holdings it behaves like; these sit either side of DUSB (240.9). Same filings, same arithmetic. Position in this list says nothing about which fund is better.
| Fund | Reports | Behaves like | Top ten | As of |
|---|---|---|---|---|
| DFSB Dimensional Global Sustainability Fixed Income ETF | 740 | 228.5 | 13.29% | 2026-07-31 |
| VRP Invesco Variable Rate Preferred ETF | 344 | 230 | 9.69% | 2026-05-31 |
| EVSM Eaton Vance Short Duration Municipal Income ETF | 382 | 234.7 | 10.35% | 2026-06-30 |
| FLMI Franklin Dynamic Municipal Bond ETF | 1,336 | 238.2 | 14.33% | 2026-06-30 |
| UITB VictoryShares Core Intermediate Bond ETF | 1,182 | 239.6 | 15.5% | 2026-06-30 |
| AVSF Avantis Short-Term Fixed Income ETF | 518 | 252.4 | 10.17% | 2026-05-31 |
| KORP American Century Diversified Corporate Bond ETF | 360 | 253.5 | 8.82% | 2026-05-31 |
| VSDB Vanguard Short Duration Bond ETF | 1,317 | 254.1 | 13.95% | 2026-06-30 |
| LEMB iShares J.P. Morgan EM Local Currency Bond ETF | 487 | 254.9 | 11.7% | 2026-07-31 |
| FLTR VanEck IG Floating Rate ETF | 464 | 260.2 | 9.38% | 2026-07-31 |
Essays that examine DUSB
0Mentions are detected across the full text of every article, so an appearance may be a passing comparison rather than the subject. Nothing here is a recommendation to buy or sell — see the disclaimer.