IGSB vs IGIB overlap
IGSB and IGIB overlap 0.1% by weight, across 9 shared holdings.
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Top shared holdings
| Holding | IGSB | IGIB | Overlap |
|---|---|---|---|
| HSBC Holdings | 0.04% | 0.05% | 0.04% |
| HSBC Holdings | 0.01% | 0.10% | 0.01% |
| Boeing Co/the | 0.01% | 0.03% | 0.01% |
| Equinix Inc. | 0.00% | 0.01% | 0.00% |
| Royal BK Canada | 0.04% | 0.00% | 0.00% |
| Goldman Sachs PR | 0.01% | 0.00% | 0.00% |
| Fedex Corp. | 0.00% | 0.00% | 0.00% |
| Sumitomo Life INS Co 3.375%/VAR 04/15/2081 144A | 0.01% | 0.00% | 0.00% |
| Georgia-PacificGP | 0.00% | 0.02% | 0.00% |
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: IGSB, SEC Form N-PORT, May 31, 2026; IGIB, SEC Form N-PORT, May 31, 2026.
Largest institutions holding both
| Firm | IGSB | IGIB |
|---|---|---|
| Northern Trust Corp. | $1.4B | $694.3M |
| Matson Money. Inc. | $813.1M | $203.4M |
| Charles Schwab Investment Management Inc. | $208.6M | $801.2M |
| Allstate Corp. | $480.1M | $438.9M |
| Envestnet Asset Management Inc. | $358.2M | $471.9M |
| Morgan Stanley | $462.2M | $335.8M |
| Bank of America Corp. | $434.0M | $341.2M |
| BlackRock, Inc. | $660.1M | $94.4M |
| EP Wealth Advisors, LLC | $718.6M | $3.9M |
| Ameriprise Financial Inc. | $524.2M | $186.9M |
| Wells Fargo & Company | $288.6M | $277.7M |
| UBS Group AG | $288.7M | $220.1M |
| Assetmark, Inc. | $88.9M | $419.3M |
| Goldman Sachs Group Inc. | $336.1M | $149.8M |
| Raymond James Financial Inc. | $230.2M | $184.3M |
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: IGSB institutional holders, IGIB institutional holders.
Frequently asked questions
How much do IGSB and IGIB overlap?
0.1% by weight, with 9 holdings in common, using holdings for IGSB as of May 31, 2026 and IGIB as of May 31, 2026. The largest shared position is HSBC HOLDINGS.
Do institutions hold both IGSB and IGIB?
447 Form 13F filers report positions in both, out of 1,271 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%.