TDTT vs VOO: Holdings Overlap
TDTTFlexShares iBoxx 3-Year Target Duration TIPS Index Fund
FlexShares · 22 holdings · $2.5B · as of 2026-04-30
Vanguard · 504 holdings · $1.03T · as of 2026-03-31
Holdings snapshots are 30 days apart (TDTT: 2026-04-30, VOO: 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 VOO?
FlexShares iBoxx 3-Year Target Duration TIPS Index Fund (TDTT, by FlexShares) holds 22 positions; Vanguard 500 Index Fund (VOO, by Vanguard) holds 504. They have 0 holdings in common, and by portfolio weight the two funds are 0.0% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 0TDTT holds 22 · VOO holds 504
- Weight in Shared Holdings
- TDTT 0%·VOO 0%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
22 of 22 positions (99.3% of the fund) are not held by VOO.
- U.S. Treasury Inflation Linked Notes10.75%
- U.S. Treasury Inflation Linked Notes10.71%
- U.S. Treasury Inflation Linked Notes10.68%
- U.S. Treasury Inflation Linked Bonds9.52%
- U.S. Treasury Inflation Linked Bonds5.13%
- U.S. Treasury Inflation Linked Notes3.74%
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% |
| VOO | +3.4% | +14.0% | +23.7% | +21.3% | +13.4% | +15.4% | 1.03% |
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 VOO →
Shared Holdings(0)
These two funds have no holdings in common.
Frequently Asked Questions
How much do TDTT and VOO overlap?
TDTT and VOO overlap by 0.0% of portfolio weight. They share 0 holdings (TDTT holds 22 positions and VOO holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both TDTT and VOO?
The two portfolios are 0.0% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What does TDTT own that VOO doesn't?
22 positions (99.3% of TDTT) are unique to TDTT, led by U.S. Treasury Inflation Linked Notes, U.S. Treasury Inflation Linked Notes and U.S. Treasury Inflation Linked Notes. In the other direction, 504 positions (99.8% of VOO) are unique to VOO.