Published registry · Registry rank 280 · Portfolio as of 2026-06-30
Parnassus Core Equity Fund
PRBLX (Parnassus Core Equity Fund) · PRILX (Parnassus Core Equity Fund)
The verdict
What the numbers say
This portfolio genuinely differs from the S&P 500 (62.3% active share). Its 0.81% fee buys real active management; whether it earned that fee is not something holdings can show.
Data provenance
Run fffcd45a-98bb-4e8e-b699-e94626fa3ab3; method closet-index@3.0.0; fund accession 0001003715-26-002722; comparison periods and expense-filing links appear with their figures. Machine capture time: 2026-09-01T09:31:36.244Z.
Computed rule checks
0 warnings · 1 check clear · 2 checks need source inputs
Check clear
· Rule 1
The fund’s filed benchmark and its closest approved index control point to the same comparison.
Methodology rule · visual rules si-visual-explainers@1.0.0
No positive-fee index control is available
· Rule 2
The active-share, filed-fee, or same-index control input needed for this warning is unavailable.
Methodology rule · visual rules si-visual-explainers@1.0.0
No complete licensed window with a filed fee
· Rule 3
No complete licensed window and filed headline fee are available together for this check.
Computed on licensed market-return history · filed fee as of 2025-12-31
Methodology rule · visual rules si-visual-explainers@1.0.0
Filed fees in dollars
SEC-convention illustration
Computed from SEC filings
Assumptions for each dollar figure: $100,000 starting amount · 5.0% annual return · annual compounding · fees deducted annually · 0.01% computed index-control baseline. Methodology.
| Share class and filing | 10 years | 20 years | 30 years |
|---|---|---|---|
| PRBLX0.81% · SEC expense filing · as of 2025-12-31 | $11,983 | $37,566 | $88,366 |
| PRILX0.61% · SEC expense filing · as of 2025-12-31 | $9,064 | $28,680 | $68,078 |
Real trailing windows
Computed on licensed market-return history · published run 363649da-fcfb-4007-87ef-de06de7710ca
Trailing windows use iShares Russell 1000 Growth ETF (IWF) adjusted-close total-return history through 2026-07-29 and the same filed index-control fee baseline as the convention table. Methodology.
| Share class and filing | 10 years | 20 years | 30 years |
|---|---|---|---|
| PRBLXFiled fee as of 2025-12-31 | $31,666Computed on licensed market-return history 2016-07-29 to 2026-07-29 · proxy return 16.93% annualized | $153,287Computed on licensed market-return history 2006-07-31 to 2026-07-29 · proxy return 13.04% annualized | Proxy history begins 2000 — no full 30-year window |
| PRILXFiled fee as of 2025-12-31 | $23,932Computed on licensed market-return history 2016-07-29 to 2026-07-29 · proxy return 16.93% annualized | $116,882Computed on licensed market-return history 2006-07-31 to 2026-07-29 · proxy return 13.04% annualized | Proxy history begins 2000 — no full 30-year window |
These figures are illustrations, not predictions or personalized advice. Returns and fees can differ. Read the research disclaimer.
Change the illustration
Computed from SEC filings
Assumptions for the dollar figures below: $100,000 starting amount; 5.0% annual return; 20 years; annual compounding; fees deducted annually; 0.01% computed index-control baseline. PRBLX SEC expense filing, as of 2025-12-31. Methodology.
| Result | Amount |
|---|---|
| Ending value at baseline | $264,825 |
| Ending value at filed expense ratio | $227,259 |
| Difference attributed to fee drag | $37,566 |
This is an illustration, not a prediction or personalized advice. Returns and fees can differ. Read the research disclaimer.
Largest active differences vs the S&P 500
The bars are labeled and repeated in the table; color is not the only signal. Linked company names open Buy Like Buffett’s company record; Sensible Investor does not score stocks.
| Holding | Fund | S&P 500 | Difference |
|---|---|---|---|
| Applied Materials, Inc. | 6.06% | 0.89% | +5.17% |
| KLA Corp. | 4.23% | 0.61% | +3.61% |
| Waste Management, Inc. | 3.40% | 0.13% | +3.27% |
| Advanced Micro Devices, Inc. | 4.47% | 1.47% | +3.00% |
| Deere & Co. | 3.25% | 0.25% | +3.00% |
| WW Grainger, Inc. | 2.82% | 0.09% | +2.73% |
| DoorDash, Inc. | 2.48% | 0.11% | +2.37% |
| Danaher Corp. | 2.49% | 0.19% | +2.30% |
| Thermo Fisher Scientific, Inc. | 2.54% | 0.29% | +2.25% |
| Linde plc | 2.56% | 0.37% | +2.19% |
Source and verification
SEC N-PORT filing · filed 2026-07-20 · period 2026-06-30
SEC expense filing · period 2025-12-31
Cite these figures
Each snippet includes the figure’s source-event date and immutable verification URL.
Best-fit active share
Sensible Investor, “Parnassus Core Equity Fund — best-fit active share,” 62.3% versus the S&P 500, fund portfolio as of 2026-06-30; measured against the filed holdings of iShares Core S&P 500 ETF (IVV), as of 2026-06-30. https://sensible-investor.com/registry/prblx/as-of/fffcd45a-98bb-4e8e-b699-e94626fa3ab3
PRBLX filed expense ratio
Sensible Investor, “Parnassus Core Equity Fund — filed expense ratio,” 0.81% for PRBLX, as of 2025-12-31. https://sensible-investor.com/registry/prblx/as-of/fffcd45a-98bb-4e8e-b699-e94626fa3ab3
PRBLX fee per active unit
Sensible Investor, “Parnassus Core Equity Fund — fee per unit of active management,” 1.30% using the PRBLX expense ratio as of 2025-12-31 and fund portfolio as of 2026-06-30. https://sensible-investor.com/registry/prblx/as-of/fffcd45a-98bb-4e8e-b699-e94626fa3ab3