IGLB vs SPY: Holdings Overlap
IGLBiShares 10+ Year Investment Grade Corporate Bond ETF
iShares · 3835 holdings · $2.9B · as of 2026-05-31
SPYState Street® SPDR® S&P 500® ETF Trust
State Street (SPDR) · 504 holdings · $812.0B · as of 2026-08-06
Holdings snapshots are 67 days apart (IGLB: 2026-05-31, SPY: 2026-08-06). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are IGLB and SPY?
iShares 10+ Year Investment Grade Corporate Bond ETF (IGLB, by iShares) holds 3835 positions; State Street® SPDR® S&P 500® ETF Trust (SPY, by State Street (SPDR)) 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
- 0IGLB holds 3835 · SPY holds 504
- Weight in Shared Holdings
- IGLB 0%·SPY 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 IGLB
3835 of 3835 positions (98.1% of the fund) are not held by SPY. Showing the top 30 by weight.
- Anheuser-Busch Cos LLC / Anheuser-Busch InBev Worldwide Inc0.28%
- CVS Health Corp0.25%
- Goldman Sachs Group Inc/The0.20%
- Boeing Co/The0.20%
- Pfizer Investment Enterprises Pte Ltd0.20%
- Meta Platforms Inc0.20%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IGLB | -1.6% | -1.5% | +0.9% | +4.3% | -2.9% | +1.6% | 5.41% |
| SPY | +3.4% | +14.0% | +23.7% | +21.2% | +13.3% | +15.3% | 0.97% |
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 IGLB vs SPY →
Shared Holdings(0)
These two funds have no holdings in common.
Frequently Asked Questions
How much do IGLB and SPY overlap?
IGLB and SPY overlap by 0.0% of portfolio weight. They share 0 holdings (IGLB holds 3835 positions and SPY holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IGLB and SPY?
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 IGLB own that SPY doesn't?
3835 positions (98.1% of IGLB) are unique to IGLB, led by Anheuser-Busch Cos LLC / Anheuser-Busch InBev Worldwide Inc, CVS Health Corp and Goldman Sachs Group Inc/The. In the other direction, 504 positions (99.9% of SPY) are unique to SPY.