Institutional Manager · CIK 0000948669
PARNASSUS INVESTMENTS, LLC
San Francisco, CA · File #028-05022
Latest AUM
$38.56B
Positions
138
Top-10 Concentration
42.9%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | ALPHABET INC | GOOG | -2,239,006 | -$700.8M | +$638.9M |
| EXITED | VERTEX PHARMACEUTICALS INC | 92532F100 | -1,648,433 | -$645.6M | $0 |
| ADD | HOME DEPOT INC | HD | +1,824,409 | +$627.8M | -$15.6M |
| EXITED | FISERV INC | 337738108 | -4,107,648 | -$529.6M | $0 |
| REDUCE | NVIDIA CORPORATION | NVDA | -2,785,441 | -$519.5M | -$990,907 |
| REDUCE | AMAZON COM INC | AMZN | -2,082,896 | -$480.8M | +$112.2M |
| EXITED | BALL CORP | 058498106 | -8,469,866 | -$427.1M | $0 |
| ADD | APPLE INC | AAPL | +1,518,322 | +$412.8M | +$60.8M |
| ADD | ELI LILLY & CO | LLY | +382,112 | +$410.6M | +$195.8M |
| REDUCE | EQUIFAX INC | EFX | -1,654,544 | -$359.0M | -$69.3M |
Sector Allocation
Filing History
- 13F COMBINATION REPORTQ/E Dec 2025138 pos · $38.56B
- 13F HOLDINGS REPORTQ/E Sep 2025147 pos · $43.27B
- 13F HOLDINGS REPORTQ/E Jun 2025148 pos · $43.35B
- 13F HOLDINGS REPORTQ/E Mar 2025135 pos · $41.62B
- 13F HOLDINGS REPORTQ/E Dec 2024126 pos · $45.02B
- 13F HOLDINGS REPORTQ/E Sep 2024126 pos · $47.14B
- 13F HOLDINGS REPORTQ/E Jun 2024129 pos · $45.92B
- 13F HOLDINGS REPORTQ/E Mar 2024136 pos · $46.79B
- 13F HOLDINGS REPORTQ/E Dec 2023139 pos · $40.89B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | MICROSOFT CORP | MSFT | 4,505,495 | $2.18B | 6.28% |
| 2 | ALPHABET INC | GOOG | 6,901,505 | $2.16B | 6.22% |
| 3 | AMAZON COM INC | AMZN | 7,887,228 | $1.82B | 5.24% |
| 4 | NVIDIA CORPORATION | NVDA | 9,600,898 | $1.79B | 5.16% |
| 5 | APPLE INC | AAPL | 5,049,172 | $1.37B | 3.95% |
| 6 | DEERE & CO | DE | 2,642,017 | $1.23B | 3.54% |
| 7 | WASTE MGMT INC DEL | 94106L109 | 5,277,285 | $1.16B | 3.34% |
| 8 | ELI LILLY & CO | LLY | 1,010,392 | $1.09B | 3.13% |
| 9 | DANAHER CORPORATION | 235851102 | 4,664,560 | $1.07B | 3.08% |
| 10 | MASTERCARD INCORPORATED | MA | 1,809,280 | $1.03B | 2.97% |
| 11 | THERMO FISHER SCIENTIFIC INC | TMO | 1,583,105 | $917.3M | 2.64% |
| 12 | S&P GLOBAL INC | SPGI | 1,749,394 | $914.2M | 2.63% |
| 13 | BANK AMERICA CORP | 060505104 | 16,477,774 | $906.3M | 2.61% |
| 14 | INTERCONTINENTAL EXCHANGE IN | 45866F104 | 5,436,265 | $880.5M | 2.54% |
| 15 | BROADCOM INC | AVGO | 2,461,410 | $851.9M | 2.45% |
| 16 | REALTY INCOME CORP | O | 15,106,270 | $851.5M | 2.45% |
| 17 | APPLIED MATLS INC | 038222105 | 3,227,145 | $829.3M | 2.39% |
| 18 | LINDE PLC | LIN | 1,818,692 | $775.5M | 2.23% |
| 19 | KLA CORP | KLAC | 623,664 | $757.8M | 2.18% |
| 20 | BOSTON SCIENTIFIC CORP | BSX | 7,899,240 | $753.2M | 2.17% |