ITDI vs ITDC overlap
ITDI and ITDC overlap 64.1% by weight, across 6 shared holdings.
Pick 2 to 4 ETFs.
Top shared holdings
| Holding | ITDI | ITDC | Overlap |
|---|---|---|---|
| Ishares Russell 1000 ETFIWB | 56.87% | 37.67% | 37.67% |
| Ishares Core MSCI International Developed MarketsIDEV | 26.26% | 16.16% | 16.16% |
| Ishares Core MSCI Emerging Markets ETFIEMG | 11.43% | 7.00% | 7.00% |
| iShares Russell 2000 ETFIWM | 3.36% | 1.32% | 1.32% |
| Ishares Core U S REIT ETFUSRT | 0.99% | 2.40% | 0.99% |
| iShares 10+ Year Investment Grade Corporate Bond ETF | 0.94% | 3.17% | 0.94% |
Overlap by weight adds up the smaller weight of each holding the funds share, so 100% means identical portfolios. Long securities only: derivatives and cash vehicles are left out. Sources: ITDI, SEC Form N-PORT, July 31, 2026; ITDC, SEC Form N-PORT, July 31, 2026.
Largest institutions holding both
| Firm | ITDI | ITDC |
|---|---|---|
| Vanguard Advisers Inc. | $127 | $440 |
This compares who owns the funds, not what the funds hold. From SEC Form 13F, for managers with $100M+ in US securities.
Who owns them: ITDI institutional holders, ITDC institutional holders.
Frequently asked questions
How much do ITDI and ITDC overlap?
64.1% by weight, with 6 holdings in common, using holdings for ITDI as of July 31, 2026 and ITDC as of July 31, 2026. The largest shared position is IWB.
Do institutions hold both ITDI and ITDC?
1 Form 13F filers report positions in both, out of 14 that report either one.
How is overlap by weight worked out?
For each holding the two funds share, take the smaller of the two weights, then add those up. Identical portfolios score 100%.