TDTT vs SCHP: Holdings Overlap
TDTTFlexShares iBoxx 3-Year Target Duration TIPS Index Fund
FlexShares · 22 holdings · $2.5B · as of 2026-04-30
Schwab · 48 holdings · $16.3B · as of 2026-03-31
Holdings snapshots are 30 days apart (TDTT: 2026-04-30, SCHP: 2026-03-31). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are TDTT and SCHP?
FlexShares iBoxx 3-Year Target Duration TIPS Index Fund (TDTT, by FlexShares) holds 22 positions; Schwab U.S. TIPS ETF (SCHP, by Schwab) holds 48. They have 22 holdings in common, and by portfolio weight the two funds are 54.8% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 54.8%Sum of the smaller weight of each shared holding
- Shared Holdings
- 22TDTT holds 22 · SCHP holds 48
- Weight in Shared Holdings
- TDTT 99%·SCHP 55%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in TDTT
Every position in TDTT is also held by SCHP, so it brings nothing the other fund doesn’t already own.
Only in SCHP
26 of 48 positions (44.8% of the fund) are not held by TDTT.
- U.S. Treasury Inflation-Indexed Notes4.12%
- U.S. Treasury Inflation-Indexed Notes4.07%
- U.S. Treasury Inflation-Indexed Notes3.83%
- U.S. Treasury Inflation-Indexed Notes3.65%
- U.S. Treasury Inflation-Indexed Notes3.41%
- U.S. Treasury Inflation-Indexed Notes3.39%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| TDTT | +0.0% | +1.5% | +2.5% | +4.8% | +2.6% | +3.0% | 5.60% |
| SCHP | -0.2% | +0.9% | +2.0% | +3.9% | +0.5% | +2.5% | 5.02% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in TDTT vs SCHP →
Shared Holdings(22)
The top 10 shared positions account for 58% of the overlap, led by U.S. Treasury Inflation-Indexed Notes, U.S. Treasury Inflation-Indexed Notes and U.S. Treasury Inflation-Indexed Notes.
| U.S. Treasury Inflation-Indexed Notes | 3.74% | 3.46% | 3.46% |
|---|---|---|---|
| U.S. Treasury Inflation-Indexed Notes | 3.72% | 3.44% | 3.44% |
| U.S. Treasury Inflation-Indexed Notes | 3.37% | 3.33% | 3.33% |
| U.S. Treasury Inflation-Indexed Notes | 10.75% | 3.22% | 3.22% |
| U.S. Treasury Inflation-Indexed Notes | 10.68% | 3.21% | 3.21% |
| U.S. Treasury Inflation-Indexed Notes | 3.08% | 3.10% | 3.08% |
| U.S. Treasury Inflation-Indexed Notes | 3.12% | 3.02% | 3.02% |
| U.S. Treasury Inflation-Indexed Notes | 3.00% | 3.02% | 3.00% |
| U.S. Treasury Inflation-Indexed Notes | 3.64% | 2.96% | 2.96% |
| U.S. Treasury Inflation-Indexed Notes | 3.50% | 2.93% | 2.93% |
| U.S. Treasury Inflation-Indexed Notes | 3.56% | 2.86% | 2.86% |
| U.S. Treasury Inflation-Indexed Notes | 3.49% | 2.73% | 2.73% |
| U.S. Treasury Inflation-Indexed Notes | 3.37% | 2.68% | 2.68% |
| U.S. Treasury Inflation-Indexed Notes | 3.44% | 2.63% | 2.63% |
| U.S. Treasury Inflation-Indexed Notes | 3.25% | 2.37% | 2.37% |
| U.S. Treasury Inflation-Indexed Notes | 3.40% | 2.37% | 2.37% |
| U.S. Treasury Inflation-Indexed Notes | 10.71% | 2.05% | 2.05% |
| U.S. Treasury Inflation-Indexed Bonds | 9.52% | 1.44% | 1.44% |
| U.S. Treasury Inflation-Indexed Bonds | 2.44% | 1.22% | 1.22% |
| U.S. Treasury Inflation-Indexed Bonds | 1.68% | 1.14% | 1.14% |
| U.S. Treasury Inflation-Indexed Bonds | 5.13% | 1.09% | 1.09% |
| U.S. Treasury Inflation-Indexed Bonds | 0.70% | 0.54% | 0.54% |
Frequently Asked Questions
How much do TDTT and SCHP overlap?
TDTT and SCHP overlap by 54.8% of portfolio weight. They share 22 holdings (TDTT holds 22 positions and SCHP holds 48), based on each fund's latest SEC-reported holdings.
Is it redundant to own both TDTT and SCHP?
The two portfolios are 54.8% identical by weight. Owning both is defensible: they share a meaningful core, but each fund adds exposure the other lacks.
What are the biggest shared holdings of TDTT and SCHP?
The largest positions held by both funds are U.S. Treasury Inflation-Indexed Notes, U.S. Treasury Inflation-Indexed Notes, U.S. Treasury Inflation-Indexed Notes, U.S. Treasury Inflation-Indexed Notes and U.S. Treasury Inflation-Indexed Notes. Together the top 10 shared positions account for 58% of the total overlap.
What does TDTT own that SCHP doesn't?
Nothing. Every position in TDTT is also held by SCHP. In the other direction, 26 positions (44.8% of SCHP) are unique to SCHP.