AIMSvsRESMETF Comparison
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Acuitas Small Cap Active ETF (AIMS) belongs to the US Small Cap segment. Columbia Research Enhanced Small Cap ETF (RESM) is part of the US Multi-Factor segment. AIMS's top 3 sector exposures are Industrials, Financials and Health Care. In contrast, RESM's top sector exposures are Industrials, Information Technology and Health Care. AIMS is more expensive with a Total Expense Ratio (TER) of 0.75%, versus 0.32% for RESM. Run a side-by-side ETF comparison of AIMS and RESM 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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AIMS vs RESM performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 05/01/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | AIMS RESM | +11.58%+9.75% | n/a+6.97% | n/a+13.47% | n/an/a | n/an/a | n/an/a |
| Flows | AIMS RESM | -$6K+$1K | --$2M | --$2M | -- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | AIMS RESM | n/a+19.25% | n/an/a | n/an/a | n/an/a |
| Max drawdown | AIMS RESM | n/a-8.43% | n/an/a | n/an/a | n/an/a |
| Max drawdown duration | AIMS RESM | n/a43d | n/an/a | n/an/a | n/an/a |
Trading data
AIMS | RESM | |
Last sale 5/1/2026 at 1:30 PM | $26.66 | $22.58 |
| Previous close 05/01/2026 | $26.52 | $22.52 |
| Consolidated volume 05/01/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 5/1/2026 at 1:30 PM
Live
Closed
AIMS | RESM | |
|---|---|---|
| Last price | $26.66 | $22.58 |
| 1D performance | +0.53% | +0.26% |
| AuM | $82.60 M | $3.39 M |
| E/R | 0.75% | 0.32% |
Characteristics
AIMS | RESM | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | Acuitas Investments | Columbia Threadneedle Investments |
| Benchmark | - | - |
| N° of holdings | 236 | 855 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | February 9, 2026 | December 11, 2025 |
| ESG | No | No |
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Exposure
Countries
AIMS
USA
90.59%
Other
9.41%
RESM
USA
83.23%
Other
16.77%
Sectors
AIMS
Industrials
15.97%
Financials
15.72%
Health Care
15.23%
Information Techn.
14.11%
Consumer Discreti.
9.37%
Other
29.6%
RESM
Industrials
16.01%
Information Techn.
14.77%
Health Care
13.83%
Financials
13.8%
Consumer Discreti.
8.28%
Other
33.31%
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Diversification
AIMS
Total weight of top 15 holdings out of 15
15.93%
RESM
Total weight of top 15 holdings out of 15
8.32%
Top 15 holdings
Data as of March 31, 2026
AIMS
LEMAITRE VASCULAR
1.30%
US00676P1075
1.25%
TRIUMPH BANCORP CMN
1.16%
COASTAL FINANCIAL CORP
1.14%
STONEX GROUP INC
1.13%
DOUGLAS DYNMCS
1.11%
METROPOLITAN BANK HOLDING
1.08%
LIGAND PHARMACEUTICALS
1.06%
PHIBRO ANIMAL /D
1.04%
IRADIMED CORP/D
1.00%
BUSINESS FIRST BANCSHARES INC
0.96%
PREFORMED LINE PRODUCTS
0.94%
US50012A1088
0.93%
US04956D1072
0.93%
MESA LABORATORIES
0.90%
RESM
FABRINET
0.97%
STERLING INFRASTRUCTURE INC
0.66%
LEXINGTON REIT
0.64%
ADVANCED ENERGY INDUSTRIES
0.63%
ENSIGN GROUP
0.57%
DYCOM INDUSTRIES
0.53%
HECLA MINING
0.53%
TTM TECHNOLOGIES
0.51%
COEUR MINING INC
0.51%
CHART INDUSTRIES
0.51%
IES HOLDINGS
0.50%
RAMBUS
0.48%
FIRSTCASH HOLDINGS INC
0.43%
WTTS WTER TECH
0.43%
PRIMORIS SERVICES
0.42%
Frequently asked questions about AIMS and RESM
Which ETF is bigger: AIMS or RESM?
As of May 1, 2026, AIMS holds $82.60 M in assets under management (AUM), while RESM manages $3.39 M.
What sectors do the AIMS and RESM ETFs invest in?
AIMS leans toward sectors like Industrials, Financials and Health Care. Meanwhile, RESM focuses on Industrials, Information Technology and Health Care.
What are the top holdings of the AIMS ETF and RESM ETF?
AIMS top holdings include LEMAITRE VASCULAR, US00676P1075 and TRIUMPH BANCORP CMN. RESM holds in its top three: FABRINET, STERLING INFRASTRUCTURE INC and LEXINGTON REIT.
Which ETF is more diversified: AIMS or RESM?
AIMS holds 265 securities with 15.93% of its assets in the top 15. RESM has 869 securities and a top 15 weight of 8.32%.
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