WBCIX Mutual Fund

NAV$18.45

TER0.95%

Holdings93

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WBCIX Mutual Fund

NAV$18.45

William Blair Small-Mid Cap Core Fund Class I

TER0.95%

Holdings93

See how much of WBCIX 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 50 of 95 holdings · as of Aug 31, 2026

WBCIX holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Sector	Industry
1	BWA	BorgWarner IncConsumer Disc. · Auto Components	1.99%	2.0%	81,869	$5.25M	Consumer Disc.	Auto Components
2	DT	Dynatrace IncInfo Tech · Software	1.86%	3.9%	90,015	$4.91M	Info Tech	Software
Sector and industry · Pro
3	TPG	Tpg Inc	1.86%	5.7%	90,569	$4.90M
4	EG	Everest Group Ltd	1.79%	7.5%	12,570	$4.71M
5	GWRE	Guidewire Software Inc	1.69%	9.2%	21,801	$4.46M
6	HALO	Halozyme Therapeutics Inc	1.66%	10.8%	41,221	$4.39M
7	RGEN	Repligen Corp	1.66%	12.5%	24,198	$4.38M
8	BANR	Banner Corp_None_0	1.65%	14.2%	61,898	$4.34M
9	ESTC	Elastic N.V. Ordinary Shares	1.65%	15.8%	44,571	$4.35M
10	CG	Carlyle Group Inc.	1.58%	17.4%	85,928	$4.16M
11	JLL	Jones Lang Lasalle Inc.	1.57%	19.0%	11,305	$4.14M
12	NBHC	National Bank Holdings Corp Class A	1.53%	20.5%	97,880	$4.04M
13	BWIN	The Baldwin Insurance Group Inc	1.52%	22.0%	130,272	$4.02M
14	MMSI	Merit Medical Systems Inc	1.52%	23.5%	44,238	$4.01M
15	TWST	Twist Bioscience Corp.	1.51%	25.0%	28,585	$3.97M
16	—	Landbridge Company, Llc	1.50%	26.5%	45,239	$3.96M
17	IDA	Idacorp Inc Ida	1.49%	28.0%	28,937	$3.94M
18	—	F5 Networks Inc.	1.48%	29.5%	9,581	$3.90M
19	PRMB	Primo Brands Corp	1.45%	31.0%	167,218	$3.82M
20	REXR	Rexfordindustrialrealty Inc.	1.42%	32.4%	100,963	$3.74M
21	TRU	Transunion -	1.42%	33.8%	44,235	$3.76M
22	AIT	Applied Industrial Technologies Inc	1.38%	35.2%	11,240	$3.64M
23	PSTG	Pure Storage Inc	1.38%	36.6%	39,115	$3.64M
24	ONB	Old National Bancorp/In	1.35%	37.9%	139,650	$3.57M
25	DBD	Diebold Nixdorf	1.31%	39.2%	51,084	$3.47M
26	—	Emcompass Health Corp	1.30%	40.5%	28,592	$3.44M
27	AKAM	Akamai Technologies Inc.	1.27%	41.8%	30,851	$3.35M
28	AVY	Avery Dennison Corp.	1.27%	43.1%	19,268	$3.35M
29	HQY	Healthequity Inc	1.27%	44.3%	34,699	$3.35M
30	VCEL	Vericel Corp	1.27%	45.6%	83,737	$3.34M
31	MANH	Manhattan Associates Inc	1.26%	46.9%	14,928	$3.33M
32	FLS	Flowserve Corp.	1.24%	48.1%	41,283	$3.27M
33	EWBC	East West Bancorp, Inc.	1.23%	49.3%	25,631	$3.25M
34	KNX	Knight-Swift Transportation Holdings Inc	1.23%	50.6%	47,406	$3.25M
35	LECO	Lincoln Electric Holdings Inc	1.19%	51.8%	11,165	$3.14M
36	OSIS	Osi Systems Inc	1.18%	52.9%	14,963	$3.11M
37	CRS	Carpenter Technology Corpcommon Stock	1.13%	54.1%	6,263	$2.98M
38	JAZZ	Jazz Pharmaceuticals Plc.	1.13%	55.2%	11,931	$2.99M
39	—	Marex Group Plc	1.13%	56.3%	41,199	$2.99M
40	JBTM	Jbt Marel Corp	1.11%	57.4%	25,026	$2.92M
41	BSY	Bentley Systems Inc Class B	1.08%	58.5%	77,470	$2.85M
42	TLN	Talen Energy Corp	1.06%	59.6%	9,472	$2.80M
43	—	Quaker Chemical Corp.	1.05%	60.6%	16,684	$2.77M
44	—	Atlantic Union Bankshares Corp.	1.03%	61.7%	67,156	$2.71M
45	LOPE	Grand Canyon Education Inc	1.03%	62.7%	18,307	$2.71M
46	—	Sylvamo Corp Ordinary Shares When Issued	1.03%	63.7%	75,517	$2.71M
47	MLI	Mueller Industries Inc	0.99%	64.7%	41,919	$2.62M
48	CCJ	Cameco Corporation Com Npv	0.96%	65.7%	25,581	$2.53M
49	—	Birkenstock Holding Plc	0.96%	66.6%	72,238	$2.52M
50	ASO	Academy Sports and Outdoorsi Nc .	0.95%	67.6%	58,546	$2.52M
More holdings · Pro

Not reported for this fund: share changes.

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WBCIX Mutual Fund All Holdings

WBCIX holdings total 93 positions. The top 10 holdings account for 17.4% of the fund, led by BorgWarner Inc at 2.0%, Dynatrace Inc at 1.9%, Tpg Inc at 1.9%.

WBCIX portfolio concentration is well-diversified, with the top 10 representing 17.4% of total assets. The largest sector exposure is Financials at 17.6%.

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