PRCSvsSPYMETF Comparison
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Parnassus Core Select ETF (PRCS) and State Street SPDR Portfolio S&P 500 ETF (SPYM) belong to the same industry segment: US Large Cap. PRCS's top 3 sector exposures are Technology, Industrials and Finance. In contrast, SPYM's top sector exposures are Technology, Finance and Healthcare. PRCS is more expensive with a Total Expense Ratio (TER) of 0.58%, versus 0.02% for SPYM. PRCS is up 8.3% year-to-date (YTD) with +$71M in YTD flows. SPYM performs better with 12.89% YTD performance, and +$68.91B in YTD flows. Run a side-by-side ETF comparison of PRCS and SPYM 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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PRCS vs SPYM performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | PRCS SPYM | +3.46%+1.49% | +0.74%+1.94% | +8.30%+12.89% | +12.14%+16.86% | n/a+81.93% | n/a+83.09% |
| Flows | PRCS SPYM | +$1M+$11.45B | +$4M+$20.14B | +$71M+$68.91B | +$99M+$72.09B | -+$123.63B | -+$131.01B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | PRCS SPYM | +12.35%+11.18% | +13.29%+12.73% | n/a+14.98% | n/a+16.98% |
| Max drawdown | PRCS SPYM | -5.88%-3.03% | -12.61%-8.89% | n/a-18.74% | n/a-24.50% |
| Max drawdown duration | PRCS SPYM | 68d53d | 94d76d | n/a126d | n/a708d |
Trading data
PRCS | SPYM | |
Last sale 10/16/2026 at 1:30 PM | $29.02 | |
| Previous close 10/15/2026 | $29.29 | |
| Consolidated volume 10/15/2026 | ||
| 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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PRCS
is actively managed and doesn’t replicate an indexPRCS | SPYM | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/16/2026 at 1:30 PM
Live
Closed
PRCS | SPYM | |
|---|---|---|
| Last price | $29.02 | – |
| 1D performance | -0.93% | – |
| AuM | $180.35 M | $182.05 B |
| E/R | 0.58% | 0.02% |
Characteristics
PRCS | SPYM | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Parnassus Investments | State Street Investment Management |
| Benchmark | - | S&P 500 Index |
| N° of holdings | 26 | 498 |
| Asset class | - | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | December 12, 2024 | November 8, 2005 |
| ESG | No | No |
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Exposure
Countries
PRCS
USA
96.56%
Other
3.44%
SPYM
USA
96.46%
Other
3.54%
Sectors
PRCS
Technology
41.27%
Industrials
11.95%
Finance
11.03%
Healthcare
9.97%
Other
25.78%
SPYM
Technology
45.26%
Finance
13.63%
Healthcare
9.09%
Consumer Non-Cycl.
8.88%
Industrials
7.47%
Other
15.66%
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Diversification
PRCS
Total weight of top 15 holdings out of 15
73.98%
SPYM
Total weight of top 15 holdings out of 15
44.14%
Top 15 holdings
Data as of August 31, 2026
PRCS
Microsoft Corp.
10.87%
Alphabet, Inc.
7.84%
NVIDIA Corp.
7.73%
Amazon.com, Inc.
6.58%
Danaher Corp.
5.56%
Deere & Co.
4.35%
Waste Management, Inc.
4.13%
Applied Materials, Inc.
4.05%
DoorDash, Inc.
3.80%
Apple, Inc.
3.71%
Mastercard, Inc.
3.36%
Intercontinental Exchange, Inc.
3.19%
S&P Global, Inc.
3.06%
Linde Plc
2.94%
W.W. Grainger, Inc.
2.81%
SPYM
NVIDIA Corp.
8.08%
Apple, Inc.
7.03%
Microsoft Corp.
5.69%
Amazon.com, Inc.
3.84%
Alphabet, Inc.
3.01%
Broadcom Inc.
2.65%
Alphabet, Inc.
2.40%
Meta Platforms, Inc.
1.90%
Micron Technology, Inc.
1.63%
Tesla, Inc.
1.57%
JPMorgan Chase & Co.
1.44%
Berkshire Hathaway, Inc.
1.40%
Eli Lilly & Co.
1.38%
Advanced Micro Devices, Inc.
1.16%
Johnson & Johnson
0.97%
Frequently asked questions about PRCS and SPYM
How have the PRCS and SPYM ETFs performed in 2026?
As of October 16, 2026, PRCS is up 8.3% year-to-date (YTD), while SPYM has returned 12.89%. That puts SPYM better performer ahead so far this year.
Which ETF is attracting more investor money: PRCS or SPYM?
Year-to-date, the PRCS ETF saw +$71M in flows, compared to +$68.91B for SPYM.
Which ETF is more volatile: PRCS or SPYM?
Over the past year, PRCS had a volatility of 13.29%, while SPYM experienced 12.73%.
Which ETF is bigger: PRCS or SPYM?
As of October 16, 2026, PRCS holds $180.35 M in assets under management (AUM), while SPYM manages $182.05 B.
What sectors do the PRCS and SPYM ETFs invest in?
PRCS leans toward sectors like Technology, Industrials and Finance. Meanwhile, SPYM focuses on Technology, Finance and Healthcare.
What are the top holdings of the PRCS ETF and SPYM ETF?
PRCS top holdings include Microsoft Corp., Alphabet, Inc. and NVIDIA Corp.. SPYM holds in its top three: NVIDIA Corp., Apple, Inc. and Microsoft Corp..
Which ETF is more diversified: PRCS or SPYM?
PRCS holds 26 securities with 73.98% of its assets in the top 15. SPYM has 501 securities and a top 15 weight of 44.14%.
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