IUSB vs GOVT overlap
IUSB and GOVT overlap 26.7% by weight, across 204 shared holdings.
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Top shared holdings
| Holding | IUSB | GOVT | Overlap |
|---|---|---|---|
| US Treasury N/BT | 0.37% | 0.78% | 0.37% |
| US Treasury N/BT | 0.37% | 0.38% | 0.37% |
| US Treasury N/B | 0.36% | 0.99% | 0.36% |
| US Treasury N/B | 0.35% | 0.44% | 0.35% |
| US Treasury N/BT | 0.34% | 0.80% | 0.34% |
| US Treasury N/B | 0.34% | 0.83% | 0.34% |
| US Treasury N/B | 0.34% | 0.77% | 0.34% |
| US Treasury N/BT | 0.33% | 0.62% | 0.33% |
| US Treasury N/BT | 0.33% | 0.73% | 0.33% |
| US Treasury N/B | 0.33% | 0.92% | 0.33% |
| US Treasury N/BT | 0.33% | 0.49% | 0.33% |
| US Treasury N/B | 0.32% | 0.61% | 0.32% |
| US Treasury N/B | 0.31% | 0.94% | 0.31% |
| US Treasury N/BT | 0.30% | 1.20% | 0.30% |
| US Treasury N/B | 0.29% | 0.61% | 0.29% |
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: IUSB, SEC Form N-PORT, July 31, 2026; GOVT, SEC Form N-PORT, July 31, 2026.
Largest institutions holding both
| Firm | IUSB | GOVT |
|---|---|---|
| Envestnet Asset Management Inc. | $8.3B | $3.8B |
| Bank of America Corp. | $211.6M | $11.1B |
| LPL Financial LLC | $2.9B | $3.7B |
| JPMorgan Chase & Co | $1.0B | $5.2B |
| BlackRock, Inc. | $3.8B | $548.9M |
| Jones Financial Companies LLLP | $4.1B | $9.5M |
| Morgan Stanley | $1.4B | $1.0B |
| Wells Fargo & Company | $2.3B | $69.3M |
| Truist Financial Corp. | $106.6M | $1.7B |
| Northwestern Mutual Wealth Management Co | $1.5B | $30.5M |
| PNC Financial Services Group, Inc. | $67.7M | $1.4B |
| Envestnet Portfolio Solutions, Inc. | $781.7M | $195.5M |
| Mariner, LLC | $957.3M | $12.8M |
| Cetera Investment Advisers | $615.5M | $248.1M |
| Ameriprise Financial Inc. | $601.3M | $242.9M |
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: IUSB institutional holders, GOVT institutional holders.
Frequently asked questions
How much do IUSB and GOVT overlap?
26.7% by weight, with 204 holdings in common, using holdings for IUSB as of July 31, 2026 and GOVT as of July 31, 2026. The largest shared position is T.
Do institutions hold both IUSB and GOVT?
545 Form 13F filers report positions in both, out of 1,272 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%.