IEF vs BND overlap
IEF and BND overlap 5.1% by weight, across 15 shared holdings.
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Top shared holdings
| Holding | IEF | BND | Overlap |
|---|---|---|---|
| US Treasury N/B | 8.31% | 0.41% | 0.41% |
| US Treasury N/B | 8.63% | 0.41% | 0.41% |
| US Treasury N/B | 8.75% | 0.41% | 0.41% |
| US Treasury N/BT | 9.54% | 0.41% | 0.41% |
| US Treasury N/B | 6.73% | 0.41% | 0.41% |
| US Treasury N/B | 8.78% | 0.40% | 0.40% |
| US Treasury N/BT | 8.71% | 0.39% | 0.39% |
| US Treasury N/B | 8.73% | 0.39% | 0.39% |
| US Treasury N/B | 5.81% | 0.36% | 0.36% |
| US Treasury N/BT | 8.22% | 0.36% | 0.36% |
| US Treasury N/B | 5.32% | 0.32% | 0.32% |
| US Treasury N/BT | 0.30% | 0.32% | 0.30% |
| US Treasury N/B | 8.53% | 0.29% | 0.29% |
| US Treasury N/BT | 1.47% | 0.16% | 0.16% |
| US Treasury N/BT | 0.38% | 0.13% | 0.13% |
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: IEF, SEC Form N-PORT, May 31, 2026; BND, SEC Form N-PORT, June 30, 2026.
Largest institutions holding both
| Firm | IEF | BND |
|---|---|---|
| Fisher Asset Management, LLC | $15.2B | $3.1M |
| JPMorgan Chase & Co | $3.3B | $11.5B |
| Northwestern Mutual Wealth Management Co | $479.3M | $10.4B |
| Morgan Stanley | $1.4B | $9.2B |
| Creative Planning | $21.1M | $9.6B |
| Vanguard Advisers Inc. | $26K | $4.6B |
| Bank of America Corp. | $2.0B | $2.0B |
| Envestnet Asset Management Inc. | $1.5B | $1.8B |
| Savant Capital, LLC | $1.3M | $2.6B |
| Ameriprise Financial Inc. | $1.8B | $702.0M |
| Wells Fargo & Company | $303.0M | $2.1B |
| FMR LLC | $2.3B | $46.8M |
| LPL Financial LLC | $577.7M | $1.5B |
| Allworth Financial LP | $359K | $1.4B |
| Raymond James Financial Inc. | $713.5M | $526.0M |
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: IEF institutional holders, BND institutional holders.
Frequently asked questions
How much do IEF and BND overlap?
5.1% by weight, with 15 holdings in common, using holdings for IEF as of May 31, 2026 and BND as of June 30, 2026. The largest shared position is US TREASURY N/B.
Do institutions hold both IEF and BND?
653 Form 13F filers report positions in both, out of 2,310 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%.