WSMDX Mutual Fund

NAV$30.35

AUM$2.4B

TER0.99%

Holdings87

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WSMDX Mutual Fund

NAV$30.35

William Blair Small-Mid Cap Growth Fund Class I

AUM$2.4B

TER0.99%

Holdings87

See how much of WSMDX you already own

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

Showing top 50 of 82 holdings · as of Aug 31, 2026

WSMDX holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Sector	Industry
1	—	F5 Networks Inc.Info Tech · Software	2.47%	2.5%	75,244	$30.63M	Info Tech	Software
2	PSTG	Pure Storage IncInfo Tech · Tech Hardware	2.31%	4.8%	308,100	$28.64M	Info Tech	Tech Hardware
Sector and industry · Pro
3	TWST	Twist Bioscience Corp.	2.21%	7.0%	197,273	$27.42M
4	DT	Dynatrace Inc	2.18%	9.2%	495,786	$27.06M
5	PRMB	Primo Brands Corp	2.10%	11.3%	1,143,173	$26.09M
6	Debt	Fixed Inc Clearing Corp.Repo	2.07%	13.3%	25,641,014	$25.64M
7	MANH	Manhattan Associates Inc	2.03%	15.4%	112,900	$25.20M
8	MLI	Mueller Industries Inc	1.98%	17.3%	393,000	$24.53M
9	GH	Guardant Health, Inc	1.83%	19.2%	143,100	$22.76M
10	BWA	BorgWarner Inc	1.75%	20.9%	338,545	$21.72M
11	RGEN	Repligen Corp	1.73%	22.7%	118,746	$21.49M
12	EG	Everest Group Ltd	1.72%	24.4%	56,932	$21.33M
13	APPF	Appfolio Inc. Com Usd0.0001 Cl A	1.71%	26.1%	90,346	$21.16M
14	ESTC	Elastic N.V. Ordinary Shares	1.69%	27.8%	214,900	$20.96M
15	—	First Horizon National Corp	1.68%	29.5%	855,600	$20.81M
16	AKAM	Akamai Technologies Inc.	1.66%	31.1%	189,400	$20.57M
17	KRYS	Krystal Biotech Inc	1.66%	32.8%	57,200	$20.56M
18	HALO	Halozyme Therapeutics Inc	1.64%	34.4%	191,300	$20.37M
19	ONTO	Onto Innovation Inc	1.63%	36.1%	75,866	$20.27M
20	—	Nvent Electric Plc Ordinary Shares	1.62%	37.7%	133,600	$20.14M
21	CRS	Carpenter Technology Corpcommon Stock	1.61%	39.3%	41,900	$19.96M
22	LSCC	Lattice Semiconductor Corp.	1.61%	40.9%	173,585	$20.02M
23	MDGL	Madrigal Pharmaceuticals Inc	1.61%	42.5%	37,100	$20.04M
24	CLH	Clean Harbors Inc	1.59%	44.1%	62,600	$19.73M
25	TLN	Talen Energy Corp	1.53%	45.6%	64,000	$18.93M
26	GWRE	Guidewire Software Inc	1.50%	47.1%	91,155	$18.66M
27	BWIN	The Baldwin Insurance Group Inc	1.44%	48.6%	580,810	$17.92M
28	—	Emcompass Health Corp	1.42%	50.0%	146,217	$17.58M
29	LECO	Lincoln Electric Holdings Inc	1.40%	51.4%	61,800	$17.38M
30	BWXT	Bwx Technologies, Inc.	1.33%	52.7%	108,549	$16.53M
31	CCJ	Cameco Corporation Com Npv	1.32%	54.0%	165,888	$16.38M
32	CW	Curtiss-wright Corp	1.31%	55.3%	28,000	$16.31M
33	BSY	Bentley Systems Inc Class B	1.27%	56.6%	429,180	$15.77M
34	DIOD	Diodes Inc 0.00000000	1.24%	57.9%	169,800	$15.42M
35	CG	Carlyle Group Inc.	1.19%	59.0%	305,593	$14.79M
36	HQY	Healthequity Inc	1.17%	60.2%	150,900	$14.57M
37	TKR	Timken Co	1.17%	61.4%	120,800	$14.55M
38	ETSY	Etsy Inc	1.15%	62.5%	175,600	$14.28M
39	CHDN	Churchill Downs Inc	1.12%	63.7%	158,700	$13.88M
40	MIRM	Mirum Pharmaceuticals, Inc.	1.12%	64.8%	141,600	$13.88M
41	—	Sterling Construction Company Inc	1.12%	65.9%	29,500	$13.87M
42	SAIA	Saia Inc	1.11%	67.0%	38,700	$13.74M
43	—	Hudbay Minerals Inc	1.09%	68.1%	469,900	$13.47M
44	GKOS	Glaukos Corp.	1.07%	69.2%	73,800	$13.25M
45	JLL	Jones Lang Lasalle Inc.	1.06%	70.2%	35,800	$13.10M
46	—	Jazz Pharmaceuticals Plc	1.06%	71.3%	52,290	$13.11M
47	VSH	Vishay Intertechnology Inc	1.02%	72.3%	416,500	$12.67M
48	PTCT	Ptc Therapeutics Inc	1.00%	73.3%	178,300	$12.40M
49	TRU	Transunion -	0.99%	74.3%	145,200	$12.33M
50	LOPE	Grand Canyon Education Inc	0.98%	75.3%	82,000	$12.15M
More holdings · Pro

Not reported for this fund: share changes.

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WSMDX Mutual Fund All Holdings

WSMDX holdings total 87 positions. The top 10 holdings account for 20.9% of the fund, led by F5 Networks Inc. at 2.5%, Pure Storage Inc at 2.3%, Twist Bioscience Corp. at 2.2%.

WSMDX portfolio concentration is well-diversified, with the top 10 representing 20.9% of total assets. The largest sector exposure is Information Technology at 23.9%.

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