MGK vs VUG: Holdings Overlap
MGKVanguard Mega Cap Growth Index Fund
Vanguard · 59 holdings · $33.7B · as of 2026-03-31
Vanguard · 153 holdings · $229.6B · as of 2026-03-31
How similar are MGK and VUG?
Vanguard Mega Cap Growth Index Fund (MGK, by Vanguard) holds 59 positions; Vanguard Growth Index Fund (VUG, by Vanguard) holds 153. They have 58 holdings in common, and by portfolio weight the two funds are 86.2% identical. In practical terms the pair is essentially interchangeable, so holding both adds little diversification.
- Overlap by Weight
- 86.2%Sum of the smaller weight of each shared holding
- Shared Holdings
- 58MGK holds 59 · VUG holds 153
- Weight in Shared Holdings
- MGK 99%·VUG 86%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 MGK
1 of 59 positions (0.4% of the fund) are not held by VUG.
GLWCorning Incorporated COM0.44%
Sector Breakdown
| Sector | MGK | VUG |
|---|---|---|
| Information Technology | 54.4% | 51.9% |
| Communication Services | 16.7% | 16.5% |
| Consumer Discretionary | 13.1% | 12.5% |
| Health Care | 5.2% | 5.4% |
| Industrials | 3.0% | 5.2% |
| Other Sectors | 7.4% | 8.5% |
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 |
|---|---|---|---|---|---|---|---|
| MGK | +3.8% | +10.2% | +19.4% | +24.7% | +14.0% | +18.8% | 0.32% |
| VUG | +4.1% | +10.2% | +18.2% | +24.1% | +13.0% | +17.8% | 0.38% |
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 MGK vs VUG →
Shared Holdings(58)
The top 10 shared positions account for 74% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 13.75% | 13.31% | 13.31% |
|---|---|---|---|
 AAPLApple Inc. COM | 12.60% | 12.32% | 12.32% |
 MSFTMicrosoft Corp. COM | 9.01% | 9.09% | 9.01% |
 GOOGLAlphabet Inc. CAP STK CL A | 5.51% | 5.54% | 5.51% |
 AMZNAmazon.com, Inc. COM | 4.59% | 4.59% | 4.59% |
 AVGOBroadcom Inc COM | 4.40% | 4.40% | 4.40% |
 GOOGAlphabet Inc. CAP STK CL C | 4.37% | 4.39% | 4.37% |
 METAMeta Platforms, Inc., Class A | 4.17% | 4.15% | 4.15% |
 TSLATesla Inc COM | 4.18% | 3.47% | 3.47% |
 LLYEli Lilly & Co. COM | 3.17% | 2.60% | 2.60% |
 VVisa, Inc., Class A | 1.97% | 1.65% | 1.65% |
 NFLXNetflix, Inc. COM | 1.76% | 1.36% | 1.36% |
 MAMasterCard Incorporated CL A | 1.72% | 1.33% | 1.33% |
 AMDAdvanced Micro Devices Inc. COM | 1.49% | 1.11% | 1.11% |
 PLTRPalantir Technologies, Inc., Class A | 1.42% | 1.07% | 1.07% |
 LRCXLam Research Corporation COM NEW | 1.25% | 0.90% | 0.90% |
 ORCLOracle Corp. COM | 1.18% | 0.85% | 0.85% |
 GEVGE Vernova Inc. COM | 1.14% | 0.80% | 0.80% |
 KLACKLA Corp. COM NEW | 0.98% | 0.66% | 0.66% |
 MCDMcDonald's Corp. COM | 0.63% | 0.75% | 0.63% |
 TJXThe TJX Companies Inc. COM | 0.90% | 0.60% | 0.60% |
 ISRGIntuitive Surgical Inc. COM NEW | 0.83% | 0.56% | 0.56% |
 BABoeing Co. (The) | 0.78% | 0.53% | 0.53% |
 APHAmphenol Corporation CL A | 0.80% | 0.53% | 0.53% |
 UBERUber Technologies Inc COM | 0.78% | 0.51% | 0.51% |
Frequently Asked Questions
How much do MGK and VUG overlap?
MGK and VUG overlap by 86.2% of portfolio weight. They share 58 holdings (MGK holds 59 positions and VUG holds 153), based on each fund's latest SEC-reported holdings.
Is it redundant to own both MGK and VUG?
The two portfolios are 86.2% identical by weight. Owning both is largely redundant: they are close to the same portfolio, so a second position mostly duplicates the first.
What are the biggest shared holdings of MGK and VUG?
The largest positions held by both funds are NVDA, AAPL, MSFT, GOOGL and AMZN. Together the top 10 shared positions account for 74% of the total overlap.
What does MGK own that VUG doesn't?
1 positions (0.4% of MGK) are unique to MGK, led by GLW. In the other direction, 95 positions (13.4% of VUG) are unique to VUG.