PSCvsRESMETF Comparison
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Principal U.S. Small-Cap ETF (PSC) and Columbia Research Enhanced Small Cap ETF (RESM) belong to the same industry segment: US Multi-Factor. Both ETFs have the same top 3 sector exposures: Industrials, Information Technology and Health Care. PSC is more expensive with a Total Expense Ratio (TER) of 0.38%, versus 0.32% for RESM. PSC is up 10.04% year-to-date (YTD) with +$289M in YTD flows. RESM performs better with 13.09% YTD performance, and -$2M in YTD flows. Run a side-by-side ETF comparison of PSC 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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PSC vs RESM performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 04/24/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | PSC RESM | +10.10%+10.13% | +4.10%+6.49% | +10.04%+13.09% | +34.39%n/a | +62.49%n/a | +47.43%n/a |
| Flows | PSC RESM | +$38M- | +$197M-$2M | +$289M-$2M | +$927M- | +$1.41B- | +$226M- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | PSC RESM | +20.11%+19.05% | +17.87%n/a | +19.74%n/a | +20.80%n/a |
| Max drawdown | PSC RESM | -9.13%-8.43% | -9.87%n/a | -23.69%n/a | -25.73%n/a |
| Max drawdown duration | PSC RESM | 46d43d | 84dn/a | 284dn/a | 844dn/a |
Trading data
PSC | RESM | |
Last sale 4/28/2026 at 1:30 PM | $62.80 | $22.27 |
| Previous close 04/27/2026 | $63.49 | $22.50 |
| Consolidated volume 04/27/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 4/28/2026 at 1:30 PM
Live
Closed
PSC | RESM | |
|---|---|---|
| Last price | $62.80 | $22.27 |
| 1D performance | -1.09% | -1.01% |
| AuM | $1.99 B | $3.37 M |
| E/R | 0.38% | 0.32% |
Characteristics
PSC | RESM | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | Principal Global Investors | Columbia Threadneedle Investments |
| Benchmark | - | - |
| N° of holdings | 458 | 855 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | September 21, 2016 | December 11, 2025 |
| ESG | No | No |
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Exposure
Countries
PSC
USA
82.72%
Other
17.28%
RESM
USA
83.23%
Other
16.77%
Sectors
PSC
Industrials
15.96%
Information Techn.
15.53%
Health Care
15.1%
Financials
13.76%
Consumer Discreti.
7.72%
Other
31.93%
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
PSC
Total weight of top 15 holdings out of 15
11.29%
RESM
Total weight of top 15 holdings out of 15
8.32%
Top 15 holdings
Data as of March 31, 2026
PSC
HIMS & HERS HEALTH INC
0.95%
PLANET LABS PBC
0.86%
ARGAN
0.85%
DIGITALOCEAN HOLDINGS
0.79%
FABRINET
0.79%
ALLIANCE DATA SYSTEMS
0.77%
ZETA GLOBAL HOLDINGS
0.77%
CHART INDUSTRIES
0.75%
BRIDGEBIO PHARMA
0.74%
STERLING INFRASTRUCTURE INC
0.70%
PATTERSON UTI
0.69%
BRINKER INTERNATIONAL
0.66%
GUARDANT HEALTH INC
0.66%
ADVANCED ENERGY INDUSTRIES
0.66%
TTM TECHNOLOGIES
0.66%
RESM
FABRINET
0.97%
STERLING INFRASTRUCTURE INC
0.66%
LEXINGTON REIT
0.64%
ADVANCED ENERGY INDUSTRIES
0.63%
ENSIGN GROUP
0.57%
HECLA MINING
0.53%
DYCOM INDUSTRIES
0.53%
COEUR MINING INC
0.51%
CHART INDUSTRIES
0.51%
TTM TECHNOLOGIES
0.51%
IES HOLDINGS
0.50%
RAMBUS
0.48%
WTTS WTER TECH
0.43%
FIRSTCASH HOLDINGS INC
0.43%
PRIMORIS SERVICES
0.42%
Frequently asked questions about PSC and RESM
How have the PSC and RESM ETFs performed in 2026?
As of April 24, 2026, PSC is up 10.04% year-to-date (YTD), while RESM has returned 13.09%. That puts RESM better performer ahead so far this year.
Which ETF is attracting more investor money: PSC or RESM?
Year-to-date, the PSC ETF saw +$289M in flows, compared to -$2M for RESM.
Which ETF is bigger: PSC or RESM?
As of April 24, 2026, PSC holds $1.99 B in assets under management (AUM), while RESM manages $3.37 M.
What sectors do the PSC and RESM ETFs invest in?
PSC leans toward sectors like Industrials, Information Technology and Health Care. Meanwhile, RESM focuses on Industrials, Information Technology and Health Care.
What are the top holdings of the PSC ETF and RESM ETF?
PSC top holdings include HIMS & HERS HEALTH INC, PLANET LABS PBC and ARGAN. RESM holds in its top three: FABRINET, STERLING INFRASTRUCTURE INC and LEXINGTON REIT.
Which ETF is more diversified: PSC or RESM?
PSC holds 463 securities with 11.29% of its assets in the top 15. RESM has 869 securities and a top 15 weight of 8.32%.
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