PFPRX Mutual Fund

NAV$55.53

AUM$184M

TER0.68%

Holdings45

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PFPRX Mutual Fund

NAV$55.53

Parnassus Mid Cap Growth Fund Institutional Class

AUM$184M

TER0.68%

Holdings45

See how much of PFPRX you already own

Just $25 once·$99/mo·Download sample

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Overview Performance Chart Dividends Top Holdings All Holdings Sectors Geography Similar Compare Overlap

Showing top 45 of 45 holdings · as of Sep 30, 2026

PFPRX holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Sector	Industry
1	TER	Teradyne IncInfo Tech · Semiconductors	3.90%	3.9%	78,023	$31.28M	Info Tech	Semiconductors
2	DDOG	Datadog Inc. Class AInfo Tech · Software	3.81%	7.7%	111,670	$30.58M	Info Tech	Software
Sector and industry · Pro
3	SNOW	Snowflake Inc	3.77%	11.5%	89,028	$30.23M
4	NTRA	Natera Inc	3.60%	15.1%	69,888	$28.89M
5	—	Cloudflare Inc (180 Day Lockup)	3.46%	18.5%	79,920	$27.75M
6	GWW	Ww Grainger Inc.	3.29%	21.8%	21,178	$26.38M
7	ROK	Rockwell Automation	3.29%	25.1%	60,648	$26.40M
8	MPWR	Monolithic Power Systems Inc	2.94%	28.1%	17,481	$23.55M
9	HLT	Hilton Worldwide Holdings, Inc.	2.86%	30.9%	72,081	$22.93M
10	HOOD	Robinhood Markets Inc - A	2.77%	33.7%	197,504	$22.22M
11	PWR	Quanta Services Inc	2.76%	36.4%	34,465	$22.14M
12	HUBB	Hubbell Inc. Class B	2.63%	39.1%	46,509	$21.10M
13	A	Agilent Technologies Inc	2.59%	41.7%	120,428	$20.75M
14	GWRE	Guidewire Software Inc	2.54%	44.2%	142,809	$20.36M
15	—	Waste Connections Inc Common Stock Cad 0	2.48%	46.7%	129,468	$19.93M
16	TWST	Twist Bioscience Corp.	2.46%	49.1%	102,214	$19.75M
17	DASH	Doordash Inc	2.43%	51.6%	106,019	$19.46M
18	KLAC	KLA Corp.	2.38%	54.0%	98,042	$19.11M
19	RVMD	Revolution Medicines Inc	2.33%	56.3%	91,154	$18.71M
20	LITE	Lumentum Holdings Inc	2.18%	58.5%	18,019	$17.50M
21	SARO	Standardaero Inc	2.18%	60.6%	821,004	$17.53M
22	TT	Trane Technologies Plc -	2.10%	62.8%	37,356	$16.88M
23	IDXX	Idexx Laboratories Inc.	2.06%	64.8%	31,685	$16.55M
24	ODFL	Old Dominion Freight Line Inc.	2.02%	66.8%	93,259	$16.21M
25	PTC	Ptc Inc	2.02%	68.8%	115,233	$16.17M
26	FIX	Comfort Systems USA Inc.	1.99%	70.8%	9,675	$16.00M
27	EW	Edwards Lifesciences Corp	1.95%	72.8%	181,432	$15.66M
28	USFD	US Foods Holding Corp	1.93%	74.7%	168,053	$15.50M
29	—	Viking Holdings Limited	1.93%	76.7%	198,126	$15.52M
30	—	Liberty Media Formula One Corp C	1.90%	78.6%	164,578	$15.21M
31	—	Cadence Design	1.87%	80.4%	45,488	$15.02M
32	VMC	Vulcan Materials Co.	1.80%	82.2%	58,888	$14.41M
33	MELI	Mercadolibre Inc	1.79%	84.0%	8,330	$14.40M
34	WMB	Williams Cos. Inc.	1.78%	85.8%	210,658	$14.32M
35	ALAB	Astera Labs Inc -	1.67%	87.5%	37,675	$13.41M
36	—	Roivant Sciences Ltd. Common Shares	1.65%	89.1%	361,537	$13.22M
37	SNDK	Sandisk Corp.	1.57%	90.7%	7,257	$12.63M
38	MSCI	Msci Inc. Class A	1.40%	92.1%	20,876	$11.25M
39	MDLN	Medline Inc	1.39%	93.5%	320,499	$11.12M
40	ARES	Ares Management Corp	1.35%	94.8%	93,372	$10.85M
41	DKS	Dick's Sporting Goods Inc	1.34%	96.2%	80,144	$10.76M
42	—	Rocket Lab Corp	1.19%	97.4%	136,818	$9.53M
43	PODD	Insulet Corp	1.09%	98.4%	66,754	$8.71M
44	—	Reddit Inc Series C Pc Pp	0.78%	99.2%	44,092	$6.28M
45	—	Cash	0.76%	100.0%	6,077,403	$6.08M

Not reported for this fund: share changes.

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PFPRX Mutual Fund All Holdings

PFPRX holdings total 45 positions. The top 10 holdings account for 33.7% of the fund, led by Teradyne Inc at 3.9%, Datadog Inc. Class A at 3.8%, Snowflake Inc at 3.8%.

PFPRX portfolio concentration is moderate, with the top 10 representing 33.7% of total assets. The largest sector exposure is Information Technology at 37.9%.

PFPRX sectors provide a detailed breakdown. PFPRX overlap shows how holdings compare to other funds in your portfolio.