FMAT vs IYM: Holdings Overlap
FMATFidelity MSCI Materials Index ETF
Fidelity · 103 holdings · $579M · as of 2026-04-30
IYMiShares U.S. Basic Materials ETF
iShares · 38 holdings · $1.1B · as of 2026-04-30
How similar are FMAT and IYM?
Fidelity MSCI Materials Index ETF (FMAT, by Fidelity) holds 103 positions; iShares U.S. Basic Materials ETF (IYM, by iShares) holds 38. They have 30 holdings in common, and by portfolio weight the two funds are 57.8% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 57.8%Sum of the smaller weight of each shared holding
- Shared Holdings
- 30FMAT holds 103 · IYM holds 38
- Weight in Shared Holdings
- FMAT 58%·IYM 83%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 FMAT
73 of 103 positions (42.0% of the fund) are not held by IYM. Showing the top 30 by weight.
Sector Breakdown
| Sector | FMAT | IYM |
|---|---|---|
| Materials | 99.5% | 88.4% |
| Industrials | 0.0% | 11.4% |
| Energy | 0.3% | 0.0% |
| Consumer Discretionary | 0.0% | 0.0% |
| Other Sectors | 0.0% | 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.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| FMAT | +3.2% | +14.7% | +20.8% | +10.3% | +6.9% | +10.0% | 1.38% |
| IYM | +5.2% | +23.1% | +34.0% | +13.6% | +9.2% | +10.8% | 1.24% |
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 FMAT vs IYM →
Shared Holdings(30)
The top 10 shared positions account for 80% of the overlap, led by LIN, NEM and FCX.
 LINLinde PLC COM EUR0.001 | 14.99% | 19.89% | 14.99% |
|---|---|---|---|
 NEMNewmont Corporation COM | 7.77% | 10.51% | 7.77% |
 FCXFreeport-McMoRan Inc. CL B | 5.32% | 7.25% | 5.32% |
 APDAir Products & Chemicals, Inc. COM | 4.28% | 4.75% | 4.28% |
 ECLEcolab Inc. COM | 4.26% | 5.80% | 4.26% |
 NUENucor Corporation COM | 3.30% | 4.43% | 3.30% |
 STLDSteel Dynamics, Inc. COM | 2.03% | 3.38% | 2.03% |
 ALBAlbemarle Corp COM | 1.48% | 2.57% | 1.48% |
 RGLDRoyal Gold, Inc. COM | 1.26% | 2.18% | 1.26% |
 CFCF Industries Holdings, Inc. COM | 1.24% | 2.15% | 1.24% |
 LYBLyondellBasell Industries NV COM EUR0.04 CLASS 'A' | 1.23% | 2.13% | 1.23% |
 RSReliance Inc COM | 1.21% | 2.11% | 1.21% |
 IFFInternational Flavors & Fragrances Inc. COM | 1.15% | 2.00% | 1.15% |
 AAAlcoa Corporation COM | 1.06% | 1.83% | 1.06% |
 IPInternational Paper Co. COM | 0.98% | 1.77% | 0.98% |
 SOLSSolstice Advanced Materials Inc. COM SHS | 0.83% | 1.45% | 0.83% |
 AVYAvery Dennison Corporation COM | 0.81% | 1.40% | 0.81% |
 ESIElement Solutions Inc COM | 0.63% | 1.07% | 0.63% |
 MPMP Materials Corp., Class A | 0.60% | 1.05% | 0.60% |
 EMNEastman Chemical Company COM | 0.53% | 0.92% | 0.53% |
 CECelanese Corporation COM | 0.48% | 0.82% | 0.48% |
 MOSThe Mosaic Company COM | 0.47% | 0.82% | 0.47% |
 CLFCleveland-Cliffs Inc COM | 0.37% | 0.64% | 0.37% |
 NEUNewmarket Corporation COM | 0.35% | 0.48% | 0.35% |
 WLKWestlake Corporation COM | 0.28% | 0.43% | 0.28% |
Frequently Asked Questions
How much do FMAT and IYM overlap?
FMAT and IYM overlap by 57.8% of portfolio weight. They share 30 holdings (FMAT holds 103 positions and IYM holds 38), based on each fund's latest SEC-reported holdings.
Is it redundant to own both FMAT and IYM?
The two portfolios are 57.8% identical by weight. Owning both is defensible: they share a meaningful core, but each fund adds exposure the other lacks.
What are the biggest shared holdings of FMAT and IYM?
The largest positions held by both funds are LIN, NEM, FCX, APD and ECL. Together the top 10 shared positions account for 80% of the total overlap.
What does FMAT own that IYM doesn't?
73 positions (42.0% of FMAT) are unique to FMAT, led by CRH, SHW and CTVA. In the other direction, 8 positions (16.6% of IYM) are unique to IYM.