QQQ vs TDTT: Holdings Overlap
QQQInvesco QQQ Trust, Series 1
Invesco · 101 holdings · $479.2B · as of 2026-03-31
TDTTFlexShares iBoxx 3-Year Target Duration TIPS Index Fund
FlexShares · 22 holdings · $2.5B · as of 2026-04-30
Holdings snapshots are 30 days apart (QQQ: 2026-03-31, TDTT: 2026-04-30). 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 QQQ and TDTT?
Invesco QQQ Trust, Series 1 (QQQ, by Invesco) holds 101 positions; FlexShares iBoxx 3-Year Target Duration TIPS Index Fund (TDTT, by FlexShares) holds 22. 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
- 0QQQ holds 101 · TDTT holds 22
- Weight in Shared Holdings
- QQQ 0%·TDTT 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 QQQ
101 of 101 positions (99.9% of the fund) are not held by TDTT. Showing the top 30 by weight.
Only in TDTT
22 of 22 positions (99.3% of the fund) are not held by QQQ.
- 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 |
|---|---|---|---|---|---|---|---|
| QQQ | +1.9% | +18.0% | +27.6% | +25.2% | +15.2% | +20.8% | 0.42% |
| TDTT | +0.0% | +1.5% | +2.5% | +4.8% | +2.6% | +3.0% | 5.60% |
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 QQQ vs TDTT →
Shared Holdings(0)
These two funds have no holdings in common.
Frequently Asked Questions
How much do QQQ and TDTT overlap?
QQQ and TDTT overlap by 0.0% of portfolio weight. They share 0 holdings (QQQ holds 101 positions and TDTT holds 22), based on each fund's latest SEC-reported holdings.
Is it redundant to own both QQQ and TDTT?
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 QQQ own that TDTT doesn't?
101 positions (99.9% of QQQ) are unique to QQQ, led by NVDA, AAPL and MSFT. In the other direction, 22 positions (99.3% of TDTT) are unique to TDTT.