Parnassus Investments 13F, Q1 2026

Parnassus Investments · quarter ending 31 March 2026 · filed 12 May 2026 · SEC CIK 948669

$34.15B
Filed US book
135
Positions
5.4%
Largest position

Common stock only: shares the fund reported owning at the quarter end, valued as filed.

Largest positions, Q1 2026

The 25 largest of 135 positions. Weights are against the whole filed book. Changes are in shares held, against the Q4 2025 filing.

CompanyTickerValue% of bookvs Q4 2025
ALPHABET INCGOOGL$1.85B5.4%-7% shares
NVIDIA CORPORATIONNVDA$1.65B4.8%unchanged
MICROSOFT CORPMSFT$1.55B4.5%-7% shares
AMAZON COM INCAMZN$1.53B4.5%-7% shares
APPLE INCAAPL$1.19B3.5%-7% shares
WASTE MGMT INC DELWM$1.14B3.4%-6% shares
DEERE & CODE$1.06B3.1%-29% shares
APPLIED MATLS INCAMAT$1.02B3.0%-8% shares
REALTY INCOME CORPO$865.23M2.5%-6% shares
ELI LILLY & COLLY$860.41M2.5%-7% shares
MASTERCARD INCORPORATEDMA$846.91M2.5%-6% shares
LINDE PLC$842.50M2.5%-7% shares
KLA CORPKLAC$792.69M2.3%-14% shares
INTERCONTINENTAL EXCHANGE INICE$791.41M2.3%-7% shares
DANAHER CORP DELDHR$753.63M2.2%-15% shares
THERMO FISHER SCIENTIFIC INCTMO$739.58M2.2%-5% shares
BANK AMERICA CORPBAC$721.93M2.1%-10% shares
WW GRAINGER INCGWW$710.38M2.1%unchanged
BROADCOM INCAVGO$706.17M2.1%-7% shares
S&P GLOBAL INCSPGI$701.14M2.0%-6% shares
COSTCO WHOLESALE CORPORATIONCOST$673.09M2.0%unchanged
STRYKER CORPORATIONSYK$669.53M2.0%+5% shares
AUTOZONE INCAZO$660.86M1.9%-7% shares
HOME DEPOT INCHD$645.67M1.9%-6% shares
FERGUSON ENTERPRISES INCFERG$608.61M1.8%unchanged

What changed since Q4 2025

Against the Q4 2025 filing, Parnassus Investments opened 13 new positions, added to 39, trimmed 48, left 35 unchanged and exited 16. Every position is compared, matched on its CUSIP; a change of 2% or less in shares counts as unchanged.

New positions

and 5 more

Exited

  • WDAYwas $454.65M
  • NOWwas $353.09M
  • AZNNwas $113.78M
  • NVOwas $49.30M
  • ROPwas $48.80M
  • IQVwas $41.47M
  • ALCON AGwas $34.30M
  • EFXwas $21.46M

and 8 more

Added to

and 31 more

Trimmed

and 40 more

Other quarters

Source: SEC Form 13F-HR, accession 0001172661-26-001730, filed by PARNASSUS INVESTMENTS, LLC. Values are as filed and cover US-listed positions only; a 13F does not show short positions or holdings outside the US. A 13F may be filed up to 45 days after the quarter ends, so the fund may have traded since. Educational information, not financial advice.