Parnassus Investments 13F annual report

Parnassus Investments is an investment fund managing more than $45.9 trillion ran by Marc Mahon. There are currently 129 companies in Mr. Mahon’s portfolio. The largest investments include Microsoft and Alphabet Inc, together worth $5.28 trillion.

Limited to 30 biggest holdings

$45.9 trillion Assets Under Management (AUM)

As of 30th July 2024, Parnassus Investments’s top holding is 6,067,322 shares of Microsoft currently worth over $2.71 trillion and making up 5.9% of the portfolio value. Relative to the number of outstanding shares of Microsoft, Parnassus Investments owns more than approximately 0.1% of the company. In addition, the fund holds 14,077,833 shares of Alphabet Inc worth $2.56 trillion, whose value grew 10.5% in the past six months. The third-largest holding is NVIDIA Corp worth $2.48 trillion and the next is Apple Inc worth $1.7 trillion, with 8,088,682 shares owned.

Currently, Parnassus Investments's portfolio is worth at least $45.9 trillion. The total portfolio value may be much higher due to cash assets that are not publicly disclosed such as fixed income, real estate, or cash equivalents.

Careers at Parnassus Investments

The Parnassus Investments office and employees reside in San Francisco, California. According to the last 13-F report filed with the SEC, Marc Mahon serves as the Chief Financial Officer at Parnassus Investments.

Recent trades

In the most recent 13F filing, Parnassus Investments revealed that it had opened a new position in BILL Inc and bought 1,512,361 shares worth $79.6 billion. This means they effectively own approximately 0.1% of the company. BILL Inc makes up 0.5% of the fund's Technology sector allocation and has decreased its share price by approximately 0.1% in the past year.

The investment fund also strengthened its position in Alphabet Inc by buying 222,908 additional shares. This makes their stake in Alphabet Inc total 14,077,833 shares worth $2.56 trillion. Alphabet Inc dropped approximately 0.1% in the past year.

On the other hand, there are companies that Parnassus Investments is getting rid of from its portfolio. Parnassus Investments closed its position in Amdocs Ltd on 6th August 2024. It sold the previously owned 950,522 shares for $85.9 billion. Marc Mahon also disclosed a decreased stake in Microsoft by approximately 0.1%. This leaves the value of the investment at $2.71 trillion and 6,067,322 shares.

One of the largest hedge funds

The two most similar investment funds to Parnassus Investments are Bill & Melinda Gates Foundation Trust and Robeco Institutional Asset Management B.v. They manage $45.9 trillion and $46 trillion respectively.


Marc Mahon investment strategy

Parnassus Investments’s portfolio is diversified across 12 sectors. Currently, their heaviest sector is Technology — making up 32.9% of the total portfolio value. The fund focuses on investments in the United States as 65.1% of the portfolio companies are based in the United States.

The majority of the companies in the fund’s portfolio are large-cap stocks. Stocks with a size of more than $10 billion in market cap make up 65% of the total holdings value. On the other hand, small-cap stocks make up only approximately 0.1% of the portfolio. The average market cap of the portfolio companies is close to $129 billion.

The complete list of Parnassus Investments trades based on 13F SEC filings

These positions were updated on August 6th based on the fund’s latest 13F filing. Quickly find out what the most recently closed or increased positions are.

Security Shares Owned Value Allocation
Microsoft Corporation
3.39%
6,067,322
$2,711,789,568,000 5.91%
Alphabet Inc
1.61%
14,077,833
$2,564,277,281,000 5.58%
NVIDIA Corp
873.35%
20,050,293
$2,477,013,197,000 5.39%
Apple Inc
1.03%
8,088,682
$1,703,638,203,000 3.71%
Salesforce Inc
4.93%
6,055,662
$1,556,910,701,000 3.39%
Deere & Co.
1.44%
3,765,562
$1,406,926,930,000 3.06%
Mastercard Incorporated
1.09%
2,936,211
$1,295,338,845,000 2.82%
Ball Corp.
3.14%
20,676,752
$1,241,018,655,000 2.70%
Realty Income Corp.
277.20%
22,771,932
$1,202,813,448,000 2.62%
Oracle Corp.
2.47%
8,323,135
$1,175,226,662,000 2.56%
S&P Global Inc
0.91%
2,380,667
$1,061,777,482,000 2.31%
Linde Plc.
1.76%
2,365,261
$1,037,900,179,000 2.26%
Intercontinental Exchange In
7.47%
7,539,690
$1,032,108,164,000 2.25%
Applied Matls Inc
3.60%
4,269,816
$1,007,633,878,000 2.19%
CME Group Inc
6.67%
5,082,612
$999,241,519,000 2.18%
Waste Mgmt Inc Del
1.52%
4,600,676
$981,508,218,000 2.14%
Cigna Group (The)
1.30%
2,863,110
$946,458,273,000 2.06%
Bank America Corp
46.51%
23,172,956
$921,588,460,000 2.01%
Autozone Inc.
11.93%
310,800
$921,242,280,000 2.01%
Marsh & McLennan Cos., Inc.
0.69%
4,189,126
$882,732,631,000 1.92%
Broadcom Inc
22.02%
544,270
$873,841,814,000 1.90%
Fiserv, Inc.
11.33%
5,800,076
$864,443,327,000 1.88%
Intuit Inc
1.32%
1,307,124
$859,054,964,000 1.87%
Charter Communications Inc N
1.66%
2,642,152
$789,897,762,000 1.72%
Sherwin-Williams Co.
1.81%
2,484,180
$741,353,838,000 1.61%
Verizon Communications Inc
0.98%
17,658,614
$728,241,241,000 1.59%
Intel Corp.
1.26%
23,123,638
$716,139,069,000 1.56%
Costco Whsl Corp New
0.82%
763,136
$648,657,969,000 1.41%
Thermo Fisher Scientific Inc.
15.20%
1,163,707
$643,529,971,000 1.40%
Procter And Gamble Co
1.05%
3,803,719
$627,309,337,000 1.37%
Adobe Inc
69.25%
1,122,133
$623,389,767,000 1.36%
D.R. Horton Inc.
0.35%
4,409,362
$621,411,387,000 1.35%
Sysco Corp.
12.63%
8,600,017
$613,955,214,000 1.34%
Danaher Corp.
16.44%
2,392,260
$597,706,161,000 1.30%
Marriott Intl Inc New
1.26%
2,402,266
$580,795,851,000 1.26%
Verisk Analytics Inc
1.36%
2,125,716
$572,986,748,000 1.25%
Equifax, Inc.
0.05%
2,065,989
$500,919,693,000 1.09%
Micron Technology Inc.
36.75%
3,681,474
$484,224,275,000 1.05%
Mondelez International Inc.
0.87%
6,643,164
$434,728,652,000 0.95%
Fidelity Natl Information Sv
11.19%
3,225,961
$243,108,421,000 0.53%
Bank New York Mellon Corp
7.00%
3,696,779
$221,400,094,000 0.48%
Ross Stores, Inc.
6.96%
1,468,996
$213,474,499,000 0.46%
Western Digital Corp.
62.78%
2,303,164
$174,510,736,000 0.38%
CBRE Group Inc
15.05%
1,922,258
$171,292,410,000 0.37%
Guidewire Software Inc
1.16%
1,156,336
$159,447,171,000 0.35%
Agilent Technologies Inc.
No change
1,159,801
$150,345,004,000 0.33%
Nutrien Ltd
44.54%
2,918,521
$148,581,904,000 0.32%
Progressive Corp.
23.85%
672,151
$139,612,484,000 0.30%
Global Pmts Inc
16.13%
1,310,863
$126,760,452,000 0.28%
KLA Corp.
6.15%
153,567
$126,617,527,000 0.28%
Citigroup Inc
No change
1,922,087
$121,975,641,000 0.27%
Schwab Charles Corp
12.90%
1,627,758
$119,949,487,000 0.26%
Cummins Inc.
6.06%
427,848
$118,483,947,000 0.26%
Pfizer Inc.
32.89%
4,233,811
$118,462,032,000 0.26%
Roper Technologies Inc
7.87%
194,917
$109,866,916,000 0.24%
Union Pac Corp
10.65%
482,958
$109,274,077,000 0.24%
Simon Ppty Group Inc New
8.65%
710,235
$107,813,673,000 0.23%
Hunt J B Trans Svcs Inc
82.42%
659,792
$105,566,720,000 0.23%
Cboe Global Mkts Inc
7.87%
616,319
$104,811,209,000 0.23%
Broadridge Finl Solutions In
6.25%
508,367
$100,148,299,000 0.22%
Gilead Sciences, Inc.
No change
1,432,811
$98,305,163,000 0.21%
Trade Desk Inc
11.10%
995,489
$97,229,411,000 0.21%
Align Technology, Inc.
No change
396,603
$95,751,862,000 0.21%
TransUnion
7.87%
1,289,235
$95,609,668,000 0.21%
Republic Svcs Inc
7.87%
488,300
$94,896,222,000 0.21%
Hologic, Inc.
10.56%
1,273,829
$94,581,803,000 0.21%
IQVIA Holdings Inc
6.50%
445,155
$94,123,573,000 0.20%
Oreilly Automotive Inc
8.17%
88,221
$93,166,669,000 0.20%
Fortinet Inc
6.64%
1,502,337
$90,545,851,000 0.20%
Fedex Corp
No change
301,210
$90,314,806,000 0.20%
NICE Ltd
116.68%
509,404
$87,602,206,000 0.19%
Amdocs Ltd
Closed
950,522
$85,898,673,000
American Express Co.
29.38%
369,561
$85,571,850,000 0.19%
Bio Rad Labs Inc
30.67%
310,732
$84,864,017,000 0.18%
Taiwan Semiconductor Mfg Ltd
0.20%
481,944
$83,766,686,000 0.18%
Biogen Inc
No change
360,742
$83,627,210,000 0.18%
Workday Inc
13.55%
370,870
$82,911,697,000 0.18%
Otis Worldwide Corporation
7.87%
851,867
$82,000,717,000 0.18%
BILL Holdings Inc
Opened
1,512,361
$79,580,436,000 0.17%
Block Inc
Closed
940,723
$79,566,351,000
Xylem Inc
7.87%
585,229
$79,374,609,000 0.17%
Old Dominion Freight Line In
23.87%
445,705
$78,711,503,000 0.17%
Truist Finl Corp
13.98%
2,010,845
$78,121,328,000 0.17%
Cnh Indl N V
Closed
6,014,226
$77,944,369,000
Allstate Corp (The)
10.72%
484,587
$77,369,160,000 0.17%
Biomarin Pharmaceutical Inc.
Closed
873,001
$76,247,907,000
Disney Walt Co
17.50%
764,219
$75,879,305,000 0.17%
Baxter International Inc.
No change
2,222,045
$74,327,405,000 0.16%
Brookfield Renewable Corporation
No change
2,572,928
$73,019,697,000 0.16%
Comcast Corp New
26.86%
1,852,661
$72,550,205,000 0.16%
Lam Research Corp.
7.87%
67,383
$71,752,788,000 0.16%
Idacorp, Inc.
4.48%
749,994
$69,861,941,000 0.15%
Autodesk Inc.
7.87%
276,100
$68,320,945,000 0.15%
Ferguson Plc New
7.95%
347,289
$67,252,515,000 0.15%
Cisco Sys Inc
Closed
1,324,420
$66,101,802,000
Avantor, Inc.
7.87%
2,961,499
$62,783,779,000 0.14%
Hilton Worldwide Holdings Inc
5.05%
287,594
$62,753,011,000 0.14%
Berkley W R Corp
10.36%
784,069
$61,612,142,000 0.13%
Pool Corporation
5.81%
197,743
$60,772,356,000 0.13%
Repligen Corp.
0.03%
388,531
$48,978,218,000 0.11%
Pentair plc
7.87%
562,318
$43,112,921,000 0.09%
Alexandria Real Estate Eq In
7.87%
357,801
$41,851,983,000 0.09%
Teradyne, Inc.
No change
275,652
$40,876,435,000 0.09%
Trane Technologies plc
No change
89,740
$29,518,178,000 0.06%
Costar Group, Inc.
No change
348,207
$25,816,067,000 0.06%
Monolithic Pwr Sys Inc
No change
30,663
$25,195,174,000 0.05%
Mettler-Toledo International, Inc.
No change
17,848
$24,944,186,000 0.05%
Idexx Labs Inc
No change
48,983
$23,864,518,000 0.05%
MercadoLibre Inc
No change
14,467
$23,775,068,000 0.05%
Cintas Corporation
28.52%
30,728
$21,517,589,000 0.05%
Ishares Tr
No change
232,752
$21,368,961,000 0.05%
Morningstar Inc
25.01%
71,034
$21,015,409,000 0.05%
Datadog Inc
No change
144,377
$18,724,253,000 0.04%
PTC Inc
17.20%
98,828
$17,954,083,000 0.04%
Cadence Design System Inc
No change
54,507
$16,774,529,000 0.04%
Lpl Finl Hldgs Inc
No change
56,840
$15,875,412,000 0.03%
Copart, Inc.
Closed
251,100
$14,543,712,000
MSCI Inc
Opened
28,172
$13,571,861,000 0.03%
Atlassian Corporation
95.79%
75,954
$13,434,744,000 0.03%
Lululemon Athletica inc.
Closed
33,583
$13,119,199,000
West Pharmaceutical Svsc Inc
Opened
38,013
$12,521,102,000 0.03%
Procore Technologies, Inc.
1.36%
138,070
$9,155,422,000 0.02%
Alnylam Pharmaceuticals Inc
Closed
38,748
$5,790,889,000
Amazon.com Inc.
7.62%
13,815
$2,669,749,000 0.01%
Visa Inc
23.52%
8,612
$2,260,392,000 0.00%
Eli Lilly & Co
26.45%
2,075
$1,878,663,000 0.00%
Unitedhealth Group Inc
16.83%
2,083
$1,060,788,000 0.00%
Boston Scientific Corp.
17.64%
13,480
$1,038,094,000 0.00%
Natera Inc
21.38%
8,589
$930,103,000 0.00%
Advanced Micro Devices Inc.
17.56%
5,489
$890,371,000 0.00%
Ares Management Corp
1.72%
6,553
$873,384,000 0.00%
Astrazeneca plc
4.17%
10,012
$780,836,000 0.00%
Netflix Inc.
22.42%
1,054
$711,323,000 0.00%
Airbnb, Inc.
42.32%
4,654
$705,686,000 0.00%
Intuitive Surgical Inc
46.80%
1,559
$693,521,000 0.00%
Cloudflare Inc
43.98%
7,091
$587,347,000 0.00%
Akamai Technologies Inc
5.03%
6,039
$543,993,000 0.00%
Palo Alto Networks Inc
Closed
1,395
$396,361,000
No transactions found
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