Fund · Dimensional Inflation-Protected Securities Portfolio ETF · measured from SEC filings
DFIP holdings
DFIP reports 21 holdings and behaves like 12.4 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 18 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: 0.34% at a quoted market price (level 1), one issuer country.
What stands out
as of 2026-07-31DFIP's largest investment is United States Treasury Inflation Indexed Bonds at 12.1% of net assets. Treasury Inflation Index and Treasury Inflation Index follow; the three together are 35.05%. Ten companies are 81.87% of the fund; the other 11 share the rest. Among the 192 bond funds measured here, DFIP behaves like 12.4 holdings against a median of 236.4 — 20.0 times more concentrated than the median. Across 18 quarterly filings DFIP has held roughly steady since 2022-01-31 (14.3 then, 12.6 now). Between the 2026-01-31 and 2026-04-30 filings 2 positions were added and 1 dropped; 6.3% of the weight moved.
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 2022
18Between 2022-01-31 and 2026-04-30, DFIP went from behaving like 14.3 equally weighted positions to 12.6 — 12% fewer, while its top ten went from 74.79% to 81.32% of net assets. Read across the funds on the concentration-over-time table.
| Period | Holdings | Effective | Top 10 | Largest |
|---|---|---|---|---|
| 2026-04-30 | 21 | 12.6 | 81.32% | 12.12% |
| 2026-01-31 | 20 | 12 | 82.38% | 13.39% |
| 2025-10-31 | 20 | 11.3 | 83.72% | 15.15% |
| 2025-07-31 | 19 | 10.9 | 84.71% | 15.18% |
| 2025-04-30 | 19 | 10.9 | 83.87% | 15.86% |
| 2025-01-31 | 18 | 11 | 84.14% | 15.66% |
| 2024-10-31 | 18 | 11.5 | 82.16% | 15.32% |
| 2024-07-31 | 18 | 12.1 | 81.05% | 14.43% |
Earlier filings (10 more, back to 2022-01-31)
| Period | Holdings | Effective | Top 10 | Largest |
|---|---|---|---|---|
| 2024-04-30 | 18 | 13.4 | 79.66% | 11.37% |
| 2024-01-31 | 16 | 13.6 | 79.38% | 9.92% |
| 2023-10-31 | 17 | 13.9 | 78.92% | 9.43% |
| 2023-07-31 | 17 | 14.2 | 78.11% | 9.04% |
| 2023-04-30 | 17 | 14.3 | 77.77% | 8.78% |
| 2023-01-31 | 18 | 14.3 | 79.39% | 8.65% |
| 2022-10-31 | 17 | 14.1 | 79.87% | 8.75% |
| 2022-07-31 | 15 | 13.8 | 79.5% | 8.46% |
| 2022-04-30 | 16 | 14.8 | 74.55% | 8.26% |
| 2022-01-31 | 15 | 14.3 | 74.79% | 8.31% |
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 21 positions in DFIP's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: DFIP.csv.gz.
| # | Position | Weight | Cumulative |
|---|---|---|---|
| 1 | United States of America | 12.12% | 12.1% |
| 2 | United States of America | 11.77% | 23.9% |
| 3 | United States of America | 11.21% | 35.1% |
| 4 | United States of America | 11.04% | 46.1% |
| 5 | United States of America | 8.39% | 54.5% |
| 6 | United States of America | 7.29% | 61.8% |
| 7 | United States of America | 6.37% | 68.2% |
| 8 | United States of America | 5.18% | 73.4% |
| 9 | United States of America | 4.48% | 77.8% |
| 10 | United States of America | 3.48% | 81.3% |
| 11 | United States of America | 2.81% | 84.1% |
| 12 | United States of America | 2.62% | 86.7% |
| 13 | United States of America | 2.50% | 89.2% |
| 14 | United States of America | 2.43% | 91.7% |
| 15 | United States of America | 2.18% | 93.9% |
Returns the fund reported
2021-11 – 2026-04Monthly total returns from Item B.5 of DFIP's own filings, 54 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: DFIP.json · all funds.
Since the previous filing
2026-01-31 → 2026-04-3020 positions became 21: 2 added (1.7% of the fund at the later date), 1 dropped (1.5% at the earlier date). Half the sum of all weight changes, a turnover proxy: 6.3%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of DFIP 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 |
|---|---|---|---|---|---|
| United States of America | 3.80% | 5.18% | United States of America | 13.39% | 11.77% |
| United States of America | 10.28% | 11.21% | United States of America | 13.21% | 12.12% |
| United States of America | 1.64% | 2.43% | United States of America | 4.48% | 3.48% |
| United States of America | 7.78% | 8.39% | United States of America | 11.51% | 11.04% |
| United States of America | 6.74% | 7.29% | United States of America | 6.64% | 6.37% |
| SSC GOVERNMENT MM GVMXX | 0.38% | 0.54% | United States of America | 2.27% | 2.18% |
New: United States of America (1.51%), United States of America (0.20%). Gone: United States of America (1.47%).
Asset categories and pricing
as of 2026-07-3199.66% debt, 0.34% short-term investment as filed; 0.3% 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 DFIP (12.4). Same filings, same arithmetic. Position in this list says nothing about which fund is better.
| Fund | Reports | Behaves like | Top ten | As of |
|---|---|---|---|---|
| MSTY YieldMax(R) MSTR Option Income Strategy ETF | 16 | 4.6 * | 99.97% | 2026-07-31 |
| BSJQ Invesco BulletShares 2026 High Yield Corporate Bond ETF | 39 | 6.2 | 66.77% | 2026-05-31 |
| HGER Harbor Commodity All-Weather Strategy ETF | 24 | 7.1 * | 99.51% | 2026-07-31 |
| TFLO iShares Treasury Floating Rate Bond ETF | 9 | 7.8 | 100% | 2026-07-31 |
| BCI abrdn Bloomberg All Commodity Strategy K-1 Free ETF | 32 | 10.1 * | 70.2% | 2026-06-30 |
| IEF iShares 7-10 Year Treasury Bond ETF | 16 | 12.5 | 85.53% | 2026-05-31 |
| CSHI NEOS Enhanced Income 1-3 Month T-Bill ETF | 19 | 13.2 | 78.04% | 2026-06-30 |
| TDTF FlexShares iBoxx 5-Year Target Duration TIPS Index Fund | 17 | 13.5 | 71.87% | 2026-07-31 |
| SDCI USCF SummerHaven Dynamic Commodity Strategy No K-1 Fund | 31 | 13.5 * | 73.97% | 2026-06-30 |
| LTPZ PIMCO 15+ Year U.S. TIPS Index Exchange-Traded Fund | 16 | 13.6 | 78.33% | 2026-06-30 |
Essays that examine DFIP
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.