ONEOvsAEMCETF Comparison
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State Street SPDR Russell 1000 Momentum Focus ETF (ONEO) belongs to the US Multi-Factor segment. Harbor AlphaEdge Mid Cap Core ETF (AEMC) is part of the Uncategorized Equities segment. ONEO's top 3 sector exposures are Industrials, Technology and Finance. In contrast, AEMC's top sector exposures are Finance, Technology and Industrials. ONEO is less expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.35% for AEMC. Run a side-by-side ETF comparison of ONEO and AEMC 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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ONEO vs AEMC performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/27/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | ONEO AEMC | +3.36%+2.14% | +0.77%n/a | +20.28%n/a | +20.33%n/a | +80.85%n/a | +62.30%n/a |
| Flows | ONEO AEMC | -- | +$2M- | -$24M- | -$73M- | -$165M- | -$317M- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | ONEO AEMC | +9.73%n/a | +12.86%n/a | +14.98%n/a | +17.20%n/a |
| Max drawdown | ONEO AEMC | -6.73%n/a | -7.42%n/a | -19.59%n/a | -22.42%n/a |
| Max drawdown duration | ONEO AEMC | 72dn/a | 48dn/a | 260dn/a | 757dn/a |
Trading data
ONEO | AEMC | |
Last sale 10/27/2026 at 1:30 PM | $154.10 | |
| Previous close 10/27/2026 | $153.72 | |
| Consolidated volume 10/27/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 30, 2026
1-year trailing difference
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AEMC
is actively managed and doesn’t replicate an indexONEO | AEMC | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/27/2026 at 1:30 PM
Live
Closed
ONEO | AEMC | |
|---|---|---|
| Last price | $154.10 | – |
| 1D performance | +0.25% | – |
| AuM | $30.81 M | $2.01 M |
| E/R | 0.2% | 0.35% |
Characteristics
ONEO | AEMC | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | State Street Investment Management | Harbor Capital |
| Benchmark | Russell 1000 Momentum Focused Factor Index | - |
| N° of holdings | 914 | 99 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | December 2, 2015 | August 27, 2026 |
| ESG | No | No |
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Exposure
Countries
ONEO
USA
94.89%
Other
5.11%
AEMC
USA
95.46%
Other
4.54%
Sectors
ONEO
Industrials
15.26%
Technology
15.06%
Finance
14.91%
Healthcare
11.89%
Non-Energy Materi.
8.41%
Consumer Non-Cycl.
7.98%
Other
26.5%
AEMC
Finance
20.83%
Technology
17.45%
Industrials
16.44%
Healthcare
13.7%
Non-Energy Materi.
9.44%
Energy
8.59%
Other
13.54%
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Diversification
ONEO
Total weight of top 15 holdings out of 15
8.56%
AEMC
Total weight of top 15 holdings out of 15
37.71%
Top 15 holdings
Data as of August 31, 2026
ONEO
Anglogold Ashanti Plc
0.93%
The Allstate Corp.
0.66%
Expedia Group, Inc.
0.63%
Archer-Daniels-Midland Co.
0.63%
Newmont Corp.
0.59%
CF Industries Holdings, Inc.
0.56%
Regeneron Pharmaceuticals, Inc.
0.56%
Zoom Communications, Inc.
0.52%
McKesson Corp.
0.51%
Delta Air Lines, Inc.
0.51%
TechnipFMC plc
0.51%
Ovintiv, Inc.
0.51%
Permian Resources Corp.
0.49%
Devon Energy Corp.
0.48%
Humana, Inc.
0.45%
AEMC
Marathon Petroleum Corp.
4.25%
Ameriprise Financial, Inc.
3.26%
NetApp, Inc.
3.06%
Comfort Systems USA, Inc.
2.98%
IDEX Corp.
2.71%
State Street Corp.
2.70%
Snap-On, Inc.
2.55%
Chemed Corp.
2.33%
Crown Holdings, Inc.
2.12%
AMETEK, Inc.
2.11%
United Therapeutics Corp.
2.00%
News Corp.
2.00%
Reliance, Inc.
1.95%
Target Corp.
1.86%
Manhattan Associates, Inc.
1.83%
Frequently asked questions about ONEO and AEMC
Which ETF is bigger: ONEO or AEMC?
As of October 27, 2026, ONEO holds $30.81 M in assets under management (AUM), while AEMC manages $2.01 M.
What sectors do the ONEO and AEMC ETFs invest in?
ONEO leans toward sectors like Industrials, Technology and Finance. Meanwhile, AEMC focuses on Finance, Technology and Industrials.
What are the top holdings of the ONEO ETF and AEMC ETF?
ONEO top holdings include Anglogold Ashanti Plc, The Allstate Corp. and Expedia Group, Inc.. AEMC holds in its top three: Marathon Petroleum Corp., Ameriprise Financial, Inc. and NetApp, Inc..
Which ETF is more diversified: ONEO or AEMC?
ONEO holds 921 securities with 8.56% of its assets in the top 15. AEMC has 99 securities and a top 15 weight of 37.71%.
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