PARNX Mutual Fund

NAV$57.77

AUM$772M

TER0.80%

Holdings45

See how much of PARNX you already own

Just $25 once·$69/mo·Download sample

X-ray my portfolio free

PARNX Mutual Fund

NAV$57.77

Parnassus Mid Cap Growth Fund Investor Class

AUM$772M

TER0.80%

Holdings45

See how much of PARNX you already own

Just $25 once·$69/mo·Download sample

X-ray my portfolio free

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

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

PARNX holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Share chg	Sector	Industry
1	TER	Teradyne Inc -Info Tech · Semiconductors	4.46%	4.5%	78,406	$37.94M	-3.0K	Info Tech	Semiconductors
2	DDOG	Datadog Inc. Class AInfo Tech · Software	3.99%	8.4%	130,227	$33.91M	-3.3K	Info Tech	Software
Share changes, sector and industry · Pro
3	ROK	Rockwell Automation Inc.	3.55%	12.0%	60,945	$30.17M
4	KLAC	KLA Corp	3.54%	15.5%	99,860	$30.13M
5	GWW	Ww Grainger Inc.	3.39%	18.9%	21,186	$28.82M
6	—	Quanta	2.97%	21.9%	35,103	$25.28M
7	SARO	Standardaero Inc	2.90%	24.8%	825,025	$24.68M
8	HUBB	Hubbell Inc	2.88%	27.7%	46,737	$24.45M
9	MPWR	Monolithic Power Systems Inc	2.86%	30.5%	17,566	$24.28M
10	HLT	Hilton Worldwide Holdings, Inc.	2.85%	33.4%	73,418	$24.26M
11	SNOW	Snowflake Inc	2.67%	36.1%	89,064	$22.67M
12	—	Waste Connections Inc Common Stock Cad 0	2.55%	38.6%	130,102	$21.69M
13	—	Viking Holdings Ltd	2.44%	41.0%	198,206	$20.75M
14	ODFL	Old Dominion Freig	2.38%	43.4%	93,296	$20.21M
15	—	Cloudflare Inc (180 Day Lockup)	2.36%	45.8%	81,768	$20.06M
16	DASH	Doordash Inc - A	2.30%	48.1%	106,062	$19.57M
17	FIX	Comfort Systems USA Inc.	2.26%	50.3%	9,679	$19.18M
18	NTRA	Natera Inc	2.23%	52.6%	69,915	$18.98M
19	TT	Trane Technologies Plc -	2.21%	54.8%	38,220	$18.77M
20	DKS	Dick's Sporting Goods Inc	2.15%	56.9%	80,537	$18.27M
21	ALAB	Astera Labs Inc	2.14%	59.1%	37,690	$18.21M
22	HOOD	Robinhood Markets Inc - A	2.12%	61.2%	180,114	$18.06M
23	GWRE	Guidewire Software Inc	2.08%	63.3%	143,509	$17.66M
24	VMC	Vulcan Materials Co.	2.05%	65.3%	59,176	$17.46M
25	CDNS	Cadence Design Systems Inc.	2.05%	67.4%	46,539	$17.47M
26	USFD	US Foods Holding Corp	2.02%	69.4%	168,121	$17.19M
27	RVMD	Revolution Medicines Inc	2.01%	71.4%	91,190	$17.08M
28	SNDK	Sandisk Corp	1.98%	73.4%	7,391	$16.81M
29	EW	Edwards Lifesciences Corp	1.93%	75.3%	181,507	$16.42M
30	TPX	Tempur Sealy International Inc	1.91%	77.2%	206,742	$16.21M
31	A	Agilent Technologies Inc	1.88%	79.1%	120,477	$16.00M
32	WMB	Williams Cos. Inc.	1.84%	80.9%	210,743	$15.67M
33	IDXX	Idexx Labs	1.82%	82.8%	29,386	$15.47M
34	LITE	Lumentum Holdings Inc	1.82%	84.6%	18,026	$15.47M
35	MELI	Mercadolibre Inc	1.70%	86.3%	8,522	$14.47M
36	—	Rocket Lab Corp Common Stock Usd	1.64%	87.9%	136,873	$13.91M
37	BLDR	Builders Firstsource Inc	1.52%	89.4%	144,903	$12.97M
38	—	Roivant Sciences Ltd. Common Shares	1.51%	91.0%	361,684	$12.80M
39	MDLN	Medline Inc	1.49%	92.4%	320,631	$12.65M
40	MSCI	Msci Inc. Class A	1.38%	93.8%	20,884	$11.70M
41	PTC	Ptc Inc	1.24%	95.1%	93,058	$10.57M
42	TWST	Twist Bioscience Corp.	1.24%	96.3%	102,255	$10.52M
43	PODD	Insulet Corp	1.20%	97.5%	66,781	$10.17M
44	—	O'Eilly Automotive, Inc.	1.04%	98.5%	96,127	$8.85M
45	RDDT	Reddit, Class A	0.90%	99.4%	44,308	$7.69M

FundXLS Pro

See every sector, industry and share-change value

X-ray every fund you own at once, ETFs and mutual funds that hold stocks directly, and see how much of your money lands on the same stocks twice.

Unlock FundXLS Pro$45/quarter Pro · Cancel anytime

PARNX Mutual Fund All Holdings

PARNX holdings total 45 positions. The top 10 holdings account for 33.4% of the fund, led by Teradyne Inc - Common at 4.5%, Datadog Inc. Class A at 4.0%, Rockwell Automation Inc. at 3.5%.

PARNX portfolio concentration is moderate, with the top 10 representing 33.4% of total assets. The largest sector exposure is Information Technology at 36.1%.

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