SPY vs TFLO: Holdings Overlap
SPYState Street® SPDR® S&P 500® ETF Trust
State Street (SPDR) · 504 holdings · $812.0B · as of 2026-08-06
TFLOiShares Treasury Floating Rate Bond ETF
iShares · 8 holdings · $6.7B · as of 2026-04-30
Holdings snapshots are 98 days apart (SPY: 2026-08-06, TFLO: 2026-04-30). 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 SPY and TFLO?
State Street® SPDR® S&P 500® ETF Trust (SPY, by State Street (SPDR)) holds 504 positions; iShares Treasury Floating Rate Bond ETF (TFLO, by iShares) holds 8. 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
- 0SPY holds 504 · TFLO holds 8
- Weight in Shared Holdings
- SPY 0%·TFLO 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 SPY
504 of 504 positions (99.9% of the fund) are not held by TFLO. Showing the top 30 by weight.
Only in TFLO
8 of 8 positions (99.6% of the fund) are not held by SPY.
- U.S. Treasury Floating Rate Notes14.36%
- U.S. Treasury Floating Rate Notes14.08%
- U.S. Treasury Floating Rate Notes13.54%
- U.S. Treasury Floating Rate Notes13.46%
- U.S. Treasury Floating Rate Notes13.20%
- U.S. Treasury Floating Rate Notes12.92%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| SPY | +3.4% | +14.0% | +23.7% | +21.2% | +13.3% | +15.3% | 0.97% |
| TFLO | +0.4% | +2.3% | +4.0% | +4.7% | +3.8% | +2.4% | 3.79% |
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 SPY vs TFLO →
Shared Holdings(0)
These two funds have no holdings in common.
Frequently Asked Questions
How much do SPY and TFLO overlap?
SPY and TFLO overlap by 0.0% of portfolio weight. They share 0 holdings (SPY holds 504 positions and TFLO holds 8), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SPY and TFLO?
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 SPY own that TFLO doesn't?
504 positions (99.9% of SPY) are unique to SPY, led by NVDA, AAPL and MSFT. In the other direction, 8 positions (99.6% of TFLO) are unique to TFLO.