BASGvsMFSGETF Comparison
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Brown Advisory Sustainable Growth ETF (BASG) and MFS Active Growth ETF (MFSG) belong to the same industry segment: US Large Cap Growth. BASG's top 3 sector exposures are Technology, Finance and Healthcare. In contrast, MFSG's top sector exposures are Technology, Industrials and Finance. BASG is more expensive with a Total Expense Ratio (TER) of 0.69%, versus 0.49% for MFSG. BASG is up 7.73% year-to-date (YTD) with -$65M in YTD flows. MFSG performs worse with 6.55% YTD performance, and +$186M in YTD flows. Run a side-by-side ETF comparison of BASG and MFSG below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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BASG vs MFSG performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/18/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | BASG MFSG | -1.90%-0.26% | +4.93%-1.62% | +7.73%+6.55% | +5.73%+7.35% | n/an/a | n/an/a |
| Flows | BASG MFSG | -$6M+$11M | -$9M+$37M | -$65M+$186M | -$61M+$215M | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | BASG MFSG | +14.30%+16.85% | +17.29%+18.09% | n/an/a | n/an/a |
| Max drawdown | BASG MFSG | -5.19%-7.97% | -19.29%-16.18% | n/an/a | n/an/a |
| Max drawdown duration | BASG MFSG | 36d51d | 214d177d | n/an/a | n/an/a |
Trading data
BASG | MFSG | |
Last sale 9/18/2026 at 1:30 PM | $27.86 | $30.11 |
| Previous close 09/17/2026 | $27.87 | $29.93 |
| Consolidated volume 09/17/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 9/18/2026 at 1:30 PM
Live
Closed
BASG | MFSG | |
|---|---|---|
| Last price | $27.86 | $30.11 |
| 1D performance | -0.02% | +0.60% |
| AuM | $509.82 M | $386.32 M |
| E/R | 0.69% | 0.49% |
Characteristics
BASG | MFSG | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | Brown Advisory | MFS |
| Benchmark | - | - |
| N° of holdings | 34 | 67 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | June 13, 2025 | December 4, 2024 |
| ESG | No | No |
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Exposure
Countries
BASG
USA
88.26%
Other
11.74%
MFSG
USA
90.74%
Other
9.26%
Sectors
BASG
Technology
49.78%
Finance
17.96%
Healthcare
7.58%
Other
24.68%
MFSG
Technology
59.72%
Industrials
9.26%
Finance
7.43%
Other
23.58%
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Diversification
BASG
Total weight of top 15 holdings out of 15
61.22%
MFSG
Total weight of top 15 holdings out of 15
61.1%
Top 15 holdings
Data as of July 31, 2026
BASG
NVIDIA Corp.
7.89%
Amazon.com, Inc.
6.87%
Microsoft Corp.
5.61%
Visa, Inc.
4.99%
Broadcom Inc.
4.85%
Taiwan Semiconductor Manufacturing Co., Ltd.
4.48%
Alphabet, Inc.
3.99%
Spotify Technology SA
3.20%
Snowflake, Inc.
3.12%
The Charles Schwab Corp.
2.87%
Arista Networks, Inc.
2.80%
West Pharmaceutical Services, Inc.
2.73%
Airbnb, Inc.
2.66%
Monolithic Power Systems, Inc.
2.60%
Cintas Corp.
2.56%
MFSG
NVIDIA Corp.
13.13%
Alphabet, Inc.
12.07%
Apple, Inc.
6.33%
Microsoft Corp.
4.67%
Broadcom Inc.
3.70%
Visa, Inc.
3.30%
Amazon.com, Inc.
3.12%
Meta Platforms, Inc.
2.35%
GE Vernova, Inc.
2.14%
Western Digital Corp.
1.89%
Arista Networks, Inc.
1.85%
KLA Corp.
1.77%
Taiwan Semiconductor Manufacturing Co., Ltd.
1.65%
Lam Research Corp.
1.63%
Amphenol Corp.
1.48%
Frequently asked questions about BASG and MFSG
How have the BASG and MFSG ETFs performed in 2026?
As of September 18, 2026, BASG is up 7.73% year-to-date (YTD), while MFSG has returned 6.55%. That puts BASG better performer ahead so far this year.
Which ETF is attracting more investor money: BASG or MFSG?
Year-to-date, the BASG ETF saw -$65M in flows, compared to +$186M for MFSG.
Which ETF is more volatile: BASG or MFSG?
Over the past year, BASG had a volatility of 17.29%, while MFSG experienced 18.09%.
Which ETF is bigger: BASG or MFSG?
As of September 18, 2026, BASG holds $509.82 M in assets under management (AUM), while MFSG manages $386.32 M.
What sectors do the BASG and MFSG ETFs invest in?
BASG leans toward sectors like Technology, Finance and Healthcare. Meanwhile, MFSG focuses on Technology, Industrials and Finance.
What are the top holdings of the BASG ETF and MFSG ETF?
BASG top holdings include NVIDIA Corp., Amazon.com, Inc. and Microsoft Corp.. MFSG holds in its top three: NVIDIA Corp., Alphabet, Inc. and Apple, Inc..
Which ETF is more diversified: BASG or MFSG?
BASG holds 34 securities with 61.22% of its assets in the top 15. MFSG has 67 securities and a top 15 weight of 61.1%.
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Latest news about BASG & MFSG
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