Fund detail
Parnassus Investments
large-active, lo, esg
Quarters
52
2026-03-31
$34.15B
Positions
135
2026-03-31
2025-12-31
2025-09-30
2025-06-30
2025-03-31
2024-12-31
2024-09-30
2024-06-30
2024-03-31
2023-12-31
2023-09-30
2023-06-30
2023-03-31
2022-12-31
2022-09-30
2022-06-30
2022-03-31
2021-12-31
2021-09-30
2021-06-30
2021-03-31
2020-12-31
2020-09-30
2020-06-30
2020-03-31
2019-12-31
2019-09-30
2019-06-30
2019-03-31
2018-12-31
2018-09-30
2018-06-30
2018-03-31
2017-12-31
2017-09-30
2017-06-30
2017-03-31
2016-12-31
2016-09-30
2016-06-30
2016-03-31
2015-12-31
2015-09-30
2015-06-30
2015-03-31
2014-12-31
2014-09-30
2014-06-30
2014-03-31
2013-12-31
2013-09-30
2013-06-30
Price is the latest implied close from the selected quarter's 13F (value ÷ shares). Est. Cost is a running average that assumes each quarter's trades cleared near the midpoint of consecutive 13F closes (or yfinance VWAP when available). Most accurate for slow accumulators, least accurate for activists who build positions in a few days.
| # | Issuer | Value ↑ | Weight | Shares | Share Δ | Share Δ % | Prev Weight | First Held | Price | Est. Cost | Unrealized % | Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | RELX PLC RELX | $290K | 0.00% | 8,734 | -531 | -5.73% | 0.00% | 2025-06-30 | $33 | ~$52 | -36.70% | |
| 2 | ARES MANAGEMENT CORPORATION ARES | $810K | 0.00% | 7,428 | -395,133 | -98.15% | 0.17% | 2022-12-31 | $109 | ~$159 | -31.42% | |
| 3 | BROWN & BROWN INC BRO | $4.2M | 0.01% | 64,113 | -6,140,616 | -98.97% | 1.28% | 2025-03-31 | $65 | ~$124 | -47.58% | |
| 4 | ROBINHOOD MKTS INC HOOD | $12.1M | 0.04% | 175,312 | -5,022 | -2.78% | 0.05% | 2025-03-31 | $69 | ~$42 | +66.51% | |
| 5 | CADENCE DESIGN SYSTEM INC CDNS | $13.3M | 0.04% | 47,859 | -1,385 | -2.81% | 0.04% | 2018-06-30 | $278 | ~$50 | +456.28% | |
| 6 | DATADOG INC DDOG | $15.8M | 0.05% | 133,528 | -43,717 | -24.66% | 0.06% | 2023-12-31 | $118 | ~$122 | -3.01% | |
| 7 | TRANE TECHNOLOGIES PLC | $16.4M | 0.05% | 39,370 | -1,132 | -2.79% | 0.04% | 2023-09-30 | $417 | ~$203 | +105.38% | |
| 8 | IDEXX LABS INC IDXX | $18.4M | 0.05% | 32,709 | -942 | -2.80% | 0.06% | 2020-03-31 | $562 | ~$252 | +123.15% | |
| 9 | MONOLITHIC PWR SYS INC MPWR | $19.9M | 0.06% | 18,172 | -8,418 | -31.66% | 0.06% | 2019-06-30 | $1,093 | ~$382 | +186.39% | |
| 10 | ROCKWELL AUTOMATION INC ROK | $22.6M | 0.07% | 63,002 | -1,813 | -2.80% | 0.07% | 2024-12-31 | $359 | ~$292 | +23.00% | |
| 11 | TERADYNE INC TER | $24.1M | 0.07% | 81,452 | -67,375 | -45.27% | 0.07% | 2021-12-31 | $296 | ~$109 | +172.51% | |
| 12 | QUANTA SVCS INC PWR | $25.2M | 0.07% | 45,913 | -1,400 | -2.96% | 0.05% | 2025-12-31 | $549 | ~$422 | +30.08% | |
| 13 | BROADRIDGE FINL SOLUTIONS IN BR | $42.1M | 0.12% | 258,836 | -105,787 | -29.01% | 0.21% | 2020-06-30 | $162 | ~$157 | +3.23% | |
| 14 | D R HORTON INC DHI | $46.8M | 0.14% | 341,028 | -16,925 | -4.73% | 0.13% | 2013-06-30 | $137 | ~$69 | +99.33% | |
| 15 | AUTODESK INC ADSK | $50.4M | 0.15% | 210,662 | -73,318 | -25.82% | 0.22% | 2013-06-30 | $239 | ~$228 | +5.19% | |
| 16 | SANDISK CORP SNDK | $51.0M | 0.15% | 80,309 | -107,463 | -57.23% | 0.12% | 2025-03-31 | $635 | ~$47 | +1242.84% | |
| 17 | OREILLY AUTOMOTIVE INC ORLY | $54.6M | 0.16% | 592,017 | -27,334 | -4.41% | 0.15% | 2020-03-31 | $92 | ~$25 | +274.59% | |
| 18 | LAM RESEARCH CORP LRCX | $56.0M | 0.16% | 262,163 | -383,763 | -59.41% | 0.29% | 2024-12-31 | $214 | ~$72 | +195.81% | |
| 19 | TRUIST FINL CORP TFC | $57.4M | 0.17% | 1,248,037 | -61,939 | -4.73% | 0.17% | 2023-12-31 | $46 | ~$37 | +22.83% | |
| 20 | CHIPOTLE MEXICAN GRILL INC CMG | $58.5M | 0.17% | 1,828,938 | -5,595 | -0.30% | 0.18% | 2024-09-30 | $32 | ~$42 | -23.53% | |
| 21 | TRANSUNION TRU | $61.6M | 0.18% | 890,979 | -1,745 | -0.20% | 0.20% | 2023-06-30 | $69 | ~$77 | -10.60% | |
| 22 | REPUBLIC SVCS INC RSG | $65.2M | 0.19% | 297,910 | -14,785 | -4.73% | 0.17% | 2019-06-30 | $219 | ~$99 | +120.39% | |
| 23 | MICRON TECHNOLOGY INC MU | $82.9M | 0.24% | 245,378 | -49,432 | -16.77% | 0.22% | 2015-12-31 | $338 | ~$85 | +298.16% | |
| 24 | HILTON WORLDWIDE HLDGS INC HLT | $83.3M | 0.24% | 273,972 | -11,191 | -3.92% | 0.21% | 2020-09-30 | $304 | ~$160 | +90.26% | |
| 25 | CBOE GLOBAL MKTS INC CBOE | $84.6M | 0.25% | 301,076 | -14,942 | -4.73% | 0.21% | 2020-12-31 | $281 | ~$103 | +172.25% | |
| 26 | CME GROUP INC CME | $104.3M | 0.31% | 353,158 | -150 | -0.04% | 0.25% | 2019-06-30 | $295 | ~$201 | +47.30% | |
| 27 | FEDEX CORP FDX | $104.4M | 0.31% | 292,972 | -2,069 | -0.70% | 0.22% | 2013-06-30 | $356 | ~$182 | +96.11% | |
| 28 | WESTERN DIGITAL CORP WDC | $107.3M | 0.31% | 396,802 | -126,695 | -24.20% | 0.23% | 2020-03-31 | $270 | ~$42 | +543.12% | |
| 29 | UNION PAC CORP UNP | $111.4M | 0.33% | 459,249 | -7,529 | -1.61% | 0.28% | 2021-12-31 | $243 | ~$257 | -5.45% | |
| 30 | CITIGROUP INC C | $112.2M | 0.33% | 989,158 | -15 | -0.00% | 0.30% | 2022-12-31 | $113 | ~$46 | +146.33% |