IEF vs UCON: Holdings Overlap
IEFiShares 7-10 Year Treasury Bond ETF
iShares · 15 holdings · $47.3B · as of 2026-05-31
UCONFirst Trust Smith Unconstrained Bond ETF
First Trust · 504 holdings · $3.3B · as of 2026-05-31
How similar are IEF and UCON?
iShares 7-10 Year Treasury Bond ETF (IEF, by iShares) holds 15 positions; First Trust Smith Unconstrained Bond ETF (UCON, by First Trust) 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
- 0IEF holds 15 · UCON holds 504
- Weight in Shared Holdings
- IEF 0%·UCON 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 IEF
15 of 15 positions (98.2% of the fund) are not held by UCON.
- U.S. Treasury Notes9.54%
- U.S. Treasury Notes8.78%
- U.S. Treasury Notes8.75%
- U.S. Treasury Notes8.73%
- U.S. Treasury Notes8.71%
- U.S. Treasury Notes8.63%
Only in UCON
504 of 504 positions (98.6% of the fund) are not held by IEF. Showing the top 30 by weight.
- U.S. Treasury Notes/Bonds2.33%
- U.S. Treasury Bonds2.13%
- U.S. Treasury Bonds2.12%
- U.S. Treasury Notes1.69%
- U.S. Treasury Notes1.18%
- U.S. Treasury Notes/Bonds1.04%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IEF | -0.2% | -0.9% | +1.3% | +3.1% | -1.6% | +0.5% | 3.95% |
| UCON | -0.1% | +0.7% | +3.7% | +5.5% | +2.7% | — | 4.72% |
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 IEF vs UCON →
Shared Holdings(0)
These two funds have no holdings in common.
Frequently Asked Questions
How much do IEF and UCON overlap?
IEF and UCON overlap by 0.0% of portfolio weight. They share 0 holdings (IEF holds 15 positions and UCON holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IEF and UCON?
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 IEF own that UCON doesn't?
15 positions (98.2% of IEF) are unique to IEF, led by U.S. Treasury Notes, U.S. Treasury Notes and U.S. Treasury Notes. In the other direction, 504 positions (98.6% of UCON) are unique to UCON.