MDYG vs XMMO: Holdings Overlap
MDYGState Street® SPDR® S&P 400™ Mid Cap Growth ETF
State Street (SPDR) · 245 holdings · $2.9B · as of 2026-08-06
XMMOInvesco S&P MidCap Momentum ETF
Invesco · 76 holdings · $7.2B · as of 2026-04-30
Holdings snapshots are 98 days apart (MDYG: 2026-08-06, XMMO: 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 MDYG and XMMO?
State Street® SPDR® S&P 400™ Mid Cap Growth ETF (MDYG, by State Street (SPDR)) holds 245 positions; Invesco S&P MidCap Momentum ETF (XMMO, by Invesco) holds 76. They have 65 holdings in common, and by portfolio weight the two funds are 38.9% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 38.9%Sum of the smaller weight of each shared holding
- Shared Holdings
- 65MDYG holds 245 · XMMO holds 76
- Weight in Shared Holdings
- MDYG 39%·XMMO 88%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 MDYG
180 of 245 positions (60.9% of the fund) are not held by XMMO. Showing the top 30 by weight.
Sector Breakdown
| Sector | MDYG | XMMO |
|---|---|---|
| Industrials | 29.8% | 40.3% |
| Information Technology | 20.2% | 15.0% |
| Health Care | 15.5% | 6.3% |
| Consumer Discretionary | 9.0% | 6.1% |
| Financials | 8.0% | 3.8% |
| Other Sectors | 17.3% | 28.2% |
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 |
|---|---|---|---|---|---|---|---|
| MDYG | +3.3% | +21.6% | +28.0% | +16.0% | +8.5% | +11.3% | 0.56% |
| XMMO | +1.1% | +17.4% | +26.1% | +25.9% | +14.3% | +18.6% | 0.60% |
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 MDYG vs XMMO →
Shared Holdings(65)
The top 10 shared positions account for 32% of the overlap, led by ATI, FTI and CRS.
 ATIATI Inc COM | 1.63% | 2.63% | 1.63% |
|---|---|---|---|
 FTITechnipFMC PLC USD1 | 1.48% | 3.60% | 1.48% |
 CRSCarpenter Technology Corporation COM | 1.48% | 1.74% | 1.48% |
 NVTNVent Electric PLC COM USD0.01 | 1.41% | 2.32% | 1.41% |
 CWCurtiss-Wright Corporation | 1.41% | 3.91% | 1.41% |
 WWDWoodward Inc. COM | 1.16% | 2.58% | 1.16% |
 MTSIMACOM Technology Solutions Holdings Inc. COM | 1.06% | 1.49% | 1.06% |
 FNFabrinet COM USD0.01 | 1.04% | 2.86% | 1.04% |
 RBCRBC Bearings Incorporated | 0.95% | 1.77% | 0.95% |
 RGLDRoyal Gold, Inc. COM | 0.95% | 2.60% | 0.95% |
 RBARB Global Inc COM | 0.92% | 1.50% | 0.92% |
 STRLSterling Infrastructure Inc COM | 0.88% | 2.16% | 0.88% |
 MTZMastec, Inc. COM | 0.85% | 2.26% | 0.85% |
 APGAPI Group Corp COM STK | 0.85% | 2.03% | 0.85% |
 TLNTalen Energy Corporation COM | 0.82% | 1.16% | 0.82% |
 BWXTBWX Technologies Inc. COM | 0.81% | 2.21% | 0.81% |
 TTMITTM Technologies Inc COM | 0.76% | 2.61% | 0.76% |
 MKSIMKS Inc. COM | 0.74% | 1.92% | 0.74% |
 CACICACI International, Inc., Class A | 0.74% | 1.21% | 0.74% |
 SGISomnigroup International Inc. COM | 0.73% | 1.25% | 0.73% |
 FIVEFive Below Inc COM | 0.68% | 1.38% | 0.68% |
 PENPenumbra Inc. COM | 0.68% | 0.80% | 0.68% |
 MEDPMedpace Holdings Inc. COM | 0.70% | 0.66% | 0.66% |
 AEISAdvanced Energy Industries, Inc. COM | 0.66% | 1.83% | 0.66% |
 ARWRArrowhead Pharmaceuticals Inc COM | 0.64% | 1.64% | 0.64% |
Frequently Asked Questions
How much do MDYG and XMMO overlap?
MDYG and XMMO overlap by 38.9% of portfolio weight. They share 65 holdings (MDYG holds 245 positions and XMMO holds 76), based on each fund's latest SEC-reported holdings.
Is it redundant to own both MDYG and XMMO?
The two portfolios are 38.9% 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 MDYG and XMMO?
The largest positions held by both funds are ATI, FTI, CRS, NVT and CW. Together the top 10 shared positions account for 32% of the total overlap.
What does MDYG own that XMMO doesn't?
180 positions (60.9% of MDYG) are unique to MDYG, led by TWLO, P and OKTA. In the other direction, 11 positions (11.7% of XMMO) are unique to XMMO.