ETF Evaluator:
FlexShares iBoxx 3Yr Target Dur TIPS ETF ()
Follow This ETF
(as of Aug 26)
Best Performing in Short-Term Inflation-Protected Bond Over the Last Year
| 4.1% | F/m Ultrshrt Trs Infl-Protd Sec TIPS ETF (RBIL) |
| 3.5% | Vanguard Short-Term Infl-Prot Secs ETF (VTIP) |
| 3.5% | iShares 0-5 Year TIPS Bond ETF (STIP) |
| 3.4% | Invesco 0-5 Yr US TIPS ETF (PBTP) |
| 3.4% | iShares iBonds 1-5 Year TIPS Ladder ETF (LDRI) |
Risk
Index
Risk
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ETF Details
FlexShares iBoxx 3Yr Target Dur TIPS ETF Overview
FlexShares iBoxx 3Yr Target Dur TIPS ETF (TDTT) is a passively managed Taxable Bond Short-Term Inflation-Protected Bond exchange-traded fund (ETF). Flexshares Trust launched the ETF in 2011.
The investment seeks to provide investment results that, before fees and expenses, correspond generally to the price and yield performance of the iBoxx 3-Year Target Duration TIPS Index.
The underlying index reflects the performance of a selection of inflation protected public obligations of the U.S. treasury, commonly known as "TIPS," with a targeted average modified adjusted duration, as defined by the S&P Dow Jones Indices LLC as the index provider, of approximately three years. Under normal circumstances, the fund will invest at least 80% of its total assets (exclusive of collateral held from securities lending) in the securities of the underlying index.
About FlexShares iBoxx 3Yr Target Dur TIPS ETF (TDTT)
There are 2 members of the management team with an average tenure of 9.15 years: David Alongi (2023) and Michael Chico (2011). Management tenure is more important for actively managed ETFs than passive index ETFs.
The ETF has 2 primary benchmarks: Bloomberg US Agg Bond TR USD index with a weighting of 100% and Bloomberg US Govt Infl Lkd 1-10Y TR USD index with a weighting of 100%. FlexShares iBoxx 3Yr Target Dur TIPS ETF has 24 securities in its portfolio. The top 10 holdings constitute 65.8% of the ETF’s assets. The ETF meets the SEC requirement of being classified as a diversified fund. The ETF is not considered to have an ESG focus with its investment selection and management.
FlexShares iBoxx 3Yr Target Dur TIPS ETF is part of the Fixed Income global asset class and is within the Taxable Bond ETF group. FlexShares iBoxx 3Yr Target Dur TIPS ETF has 0.0% of its portfolio invested in foreign issues. The overall assets allocated to domestic stock is 0.0% There is 0.0% allocated to foreign stock, and 0.0% is allocated to preferred stocks. The bond allocation as a percentage of total assets is 99.8% (99.8% domestic bond, 0.0% foreign bond and 0.0% convertible bond). FlexShares iBoxx 3Yr Target Dur TIPS ETF has 0.2% of the portfolio in cash.
Assets Under Management
The fund has $2 billion in total assets, which is below the $3 billion average for the Short-Term Inflation-Protected Bond category. Normally, lower assets under management translates to higher average expense ratios, and greater total assets are desired. However, for some investment categories, such as small-cap investing, it may be difficult for the manager to fully employ the desired active strategy if assets grow too large or too quickly.
TDTT Performance and Fees
The expense ratio measures how much of a fund’s assets are used for administrative expenses and operating expenses, including adviser fees and fees for the transfer agent and custodial services. The FlexShares iBoxx 3Yr Target Dur TIPS ETF expense ratio is low compared to funds in the Short-Term Inflation-Protected Bond category. FlexShares iBoxx 3Yr Target Dur TIPS ETF has an expense ratio of 0.18%, which is 36% higher than its category average, making the fund expense ratio grade a D. While it is difficult to predict returns, it is known that high annual expense ratios reduce your rate of return, and excessive fees are difficult to overcome. Active management normally comes with higher expense ratios than passive index management. Certain investment categories such as small company and foreign also normally have higher expense ratios. It is best to compare fund expense ratios against the category averages for meaningful assessments.
High portfolio turnover can translate to higher expenses and lower aftertax returns. FlexShares iBoxx 3Yr Target Dur TIPS ETF has a portfolio turnover rate of 86%, which indicates that it holds its assets around / 0.0 years. By way of comparison, the average portfolio turnover is 38% for the Short-Term Inflation-Protected Bond category.
Recently, in the month of July 2026, FlexShares iBoxx 3Yr Target Dur TIPS ETF returned 0.1%, which earned it a grade of F, as the Short-Term Inflation-Protected Bond category had an average return of 0.2%. The letter grades of A, B, C, D and F are based upon relative rankings within the investment category. A grade of A, for example, would indicate that the return is in the highest 20% for that time period compared to all ETFs in that category.
FlexShares iBoxx 3Yr Target Dur TIPS ETF has a trailing yield of 5.15%, which is above the 4.76% category average.
The fund normally distributes its income monthly and its capital gains annually.
It’s natural to seek the best-performing investments, but you must consider the relationship between risk and return and the impact of costs and taxes on your realized returns.
FlexShares iBoxx 3Yr Target Dur TIPS ETF Grades
Year to date, the ETF has returned 1.5%, 0.4 percentage points worse than the category, which translates into a grade of F. The fund has returned 3.0% over the past year (grade of F), 4.8% over the past three years (grade of F) and 2.5% per year over the past five years (grade of F) and 3.0% per year over the past 10 years (grade of C).
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TDTT Trailing NAV Total Returns Data as of 7/31/26
| Last Month |
Last Quarter |
Ann'l. 1Yr |
Ann'l. 3Yr |
Ann'l. 5Yr |
Ann'l. 10Yr |
|
| TDTT Return (NAV) | 0.1% | -0.3% | 3.0% | 4.8% | 2.5% | 3.0% |
| TDTT Return (Price) | 0.1% | -0.4% | 3.1% | 4.8% | 2.5% | 3.0% |
| NAV +/- Price Return | -0.014% | 0.044% | -0.055% | -0.008% | 0.010% | 0.014% |
| Short-Term Inflation-Protected Bond Avg | 0.2% | -0.0% | 3.4% | 4.9% | 2.7% | 3.0% |
| TDTT Grade (NAV) | F | F | F | F | F | C |
| +/- Category (NAV) | -0.1% | -0.3% | -0.3% | -0.1% | -0.1% | 0.1% |
| TDTT Tax-Cost Ratio | na | na | 2.0% | 1.8% | 2.0% | 1.4% |
TDTT Annual NAV Total ReturnsData as of 7/31/26
| 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
| TDTT Return (NAV) | 1.5% | 6.5% | 4.0% | 4.5% | -4.6% | 5.4% | 7.0% | 5.6% | 0.1% | 0.5% | 2.9% |
| TDTT Return (Price) | 1.4% | 6.7% | 4.0% | 4.4% | -4.6% | 5.5% | 6.8% | 5.7% | 0.3% | 0.4% | 3.2% |
| NAV +/- Price Ret | -0.042% | 0.024% | -0.001% | -0.029% | 0.001% | 0.016% | -0.018% | 1.9% | 95.9% | -15.2% | 8.8% |
| Short-Term Inflation-Protected Bond Avg | 1.9% | 6.3% | 4.3% | 4.5% | -4.2% | 5.4% | 6.0% | 5.3% | 0.2% | 0.9% | 3.0% |
| TDTT Grade (NAV) | F | A | F | C | F | D | B | B | F | F | C |
| +/- Category | -0.4% | 0.3% | -0.3% | 0.1% | -0.4% | -0.0% | 1.0% | 0.4% | -0.1% | -0.4% | -0.1% |
| Risk Measures | |
| Beta: | 0.32 |
| R-Squared: | 62% |
| Standard Deviation: | 2.3% |
| Category Risk Index: | 1.13 |
| Category Risk Rating: | High |
| Total Risk Index: | 0.19 |
| Total Risk Rating: | Low |
| Portfolio Characteristics | |
| Yield: | 5.2% |
| Total Assets: | $ 2,545 Mil |
| Share Class Assets: | $ 2,545 Mil |
| Turnover: | 86.0% |
| Expense Ratio: | 0.18% |
| Index Fund: | Yes |
| Index Tracked: | Bloomberg US Agg Bond TR USD |
| Index Weighting: | 100% |
| Leveraged: | No |
| Socially Responsible Fund: | No |
| Capital Gains Distribution Frequency: | Annually |
| Income Distribution Frequency: | Monthly |
Management Team
| Number of Managers: 2 | |||
| Longest Tenure: 14.9 years | |||
| Average Tenure: 9.1 years | |||
| Managers (Year): Chico Michael (2011), Alongi David (2023) | |||
Portfolio Composition (as of 7/31/26)
| # of Holdings: | 24 |
| % in Top 10 Holdings: | 65.8% |
| Fund is Non-Diversified: | No |
| % in Foreign Issues: | 0.0% |
Portfolio Allocation |
|
| Domestic Stock: | 0.0% |
| Foreign Stock: | 0.0% |
| Preferred Stock: | 0.0% |
| Domestic Bond: | 99.8% |
| Foreign Bond: | 0.0% |
| Convertible Bond: | 0.0% |
| Other: | 0.0% |
| Cash: | 0.2% |
Purchase Information
| Legal Structure: | Open Ended Investment Company |
| Fund Family: | Flexshares Trust |
| Phone Number: | 855-353-9383 |
| Website: | www.flexshares.com |
| Inception Date: | September 19, 2011 |
Expenses and Fees
| Expense Ratio (%): | 0.18% (Rating: Low) |
| Category Average Expense Ratio (%): | 0.13% |