Parnassus Investments

large-active, lo, esg

Quarters 52

2025-12-31 $38.56B

Positions 138

Fund Profile

Stored public background and source notes.

Background

Founded 1984 by Jerome Dodson; one of the first U.S. mutual-fund firms to apply formal social-responsibility screens. Acquired by AMG in 2021 but operates as an independent affiliate.

Key People

Todd Ahlsten CIO; PM, Parnassus Core Equity (since 2001)
One of the longest-tenured PMs in the ESG-quality space.

Track Record / Style

Parnassus Core Equity under Ahlsten has one of the longest live records in the ESG/quality space, with consistently low downside capture in 2008, 2020, and 2022 drawdowns. The 13F leans toward quality compounders that pass both fundamental and ESG screens.

Profile Sources

2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30

Top 10 $38.56B 138 positions total

Issuer

Value

Weight

Share Δ%

MICROSOFT CORP MSFT $2.18B 5.65% -3.94% ALPHABET INC GOOGL $2.16B 5.60% -24.50% AMAZON COM INC AMZN $1.82B 4.72% -20.89% NVIDIA CORPORATION NVDA $1.79B 4.64% -22.49% APPLE INC AAPL $1.37B 3.56% +43.00% DEERE & CO DE $1.23B 3.19% -14.59% WASTE MGMT INC DEL WM $1.16B 3.01% -5.99% ELI LILLY & CO LLY $1.09B 2.82% +60.82% DANAHER CORPORATION DHR $1.07B 2.77% -24.41% MASTERCARD INCORPORATED MA $1.03B 2.68% -14.78% Others (128 positions) $23.66B 61.36%

Total Disclosed Value

2013-06-30 → 2026-03-31 · $7.64B → $34.15B