CIBR vs SPY: Holdings Overlap
CIBRFirst Trust Nasdaq Cybersecurity ETF
First Trust · 42 holdings · $15.3B · as of 2026-03-31
SPYState Street® SPDR® S&P 500® ETF Trust
State Street (SPDR) · 504 holdings · $812.0B · as of 2026-08-06
Holdings snapshots are 128 days apart (CIBR: 2026-03-31, 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 CIBR and SPY?
First Trust Nasdaq Cybersecurity ETF (CIBR, by First Trust) holds 42 positions; State Street® SPDR® S&P 500® ETF Trust (SPY, by State Street (SPDR)) holds 504. They have 16 holdings in common, and by portfolio weight the two funds are 9.4% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 9.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 16CIBR holds 42 · SPY holds 504
- Weight in Shared Holdings
- CIBR 64%·SPY 14%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 CIBR
26 of 42 positions (35.9% of the fund) are not held by SPY.
Sector Breakdown
| Sector | CIBR | SPY |
|---|---|---|
| Information Technology | 88.7% | 37.6% |
| Financials | 0.0% | 12.3% |
| Communication Services | 2.1% | 9.7% |
| Consumer Discretionary | 0.0% | 9.3% |
| Health Care | 0.0% | 8.9% |
| Other Sectors | 6.5% | 22.1% |
| Unclassified | 2.1% | 0.0% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts. “Unclassified” is weight we could not classify (2% of CIBR, 0% of SPY).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| CIBR | +6.1% | +37.3% | +38.2% | +29.9% | +15.5% | +18.9% | 0.40% |
| 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 CIBR vs SPY →
Shared Holdings(16)
The top 10 shared positions account for 97% of the overlap, led by AVGO, MSFT and GOOGL.
 AVGOBroadcom Inc COM | 7.61% | 3.00% | 3.00% |
|---|---|---|---|
 MSFTMicrosoft Corp. COM | 1.85% | 5.60% | 1.85% |
 GOOGLAlphabet Inc. CAP STK CL A | 1.81% | 3.16% | 1.81% |
 CSCOCisco Systems, Inc. COM | 7.67% | 0.72% | 0.72% |
 PANWPalo Alto Networks Inc COM | 8.46% | 0.44% | 0.44% |
 IBMInternational Business Machines Corp. COM | 1.98% | 0.33% | 0.33% |
 CRWDCrowdstrike Holdings, Inc., Class A | 8.25% | 0.32% | 0.32% |
 ANETArista Networks Inc COM SHS | 1.81% | 0.30% | 0.30% |
 ACNAccenture PLC CLS'A'USD0.0000225 | 1.87% | 0.16% | 0.16% |
 FTNTFortinet Inc COM | 7.40% | 0.15% | 0.15% |
 DDOGDatadog, Inc., Class A | 2.07% | 0.11% | 0.11% |
 NTAPNetApp Inc. COM | 2.03% | 0.06% | 0.06% |
 FFIVF5 Inc COM | 3.08% | 0.04% | 0.04% |
 AKAMAkamai Technologies, Inc. COM | 3.68% | 0.03% | 0.03% |
 LDOSLeidos Holdings Inc COM | 1.74% | 0.03% | 0.03% |
 GENGen Digital Inc COM | 2.27% | 0.02% | 0.02% |
Frequently Asked Questions
How much do CIBR and SPY overlap?
CIBR and SPY overlap by 9.4% of portfolio weight. They share 16 holdings (CIBR holds 42 positions and SPY holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both CIBR and SPY?
The two portfolios are 9.4% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of CIBR and SPY?
The largest positions held by both funds are AVGO, MSFT, GOOGL, CSCO and PANW. Together the top 10 shared positions account for 97% of the total overlap.
What does CIBR own that SPY doesn't?
26 positions (35.9% of CIBR) are unique to CIBR, led by NET, ZS and CHKP. In the other direction, 488 positions (85.5% of SPY) are unique to SPY.