WBCIX Mutual Fund

NAV$19.76

TER0.95%

Holdings88

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WBCIX Mutual Fund

NAV$19.76

William Blair Small-Mid Cap Core Fund Class I

TER0.95%

Holdings88

See what you own twice

Check WBCIX against your other funds. Free for up to 5.

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

Showing top 50 of 88 holdings · as of Mar 31, 2026

WBCIX holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Share chg	Sector	Industry
1	DBD	Diebold Nixdorf IncInfo Tech · Tech Hardware	2.17%	2.2%	65,198	$4.92M	-	Info Tech	Tech Hardware
2	CIEN	Ciena CorpInfo Tech · Communications Equipment	2.13%	4.3%	12,412	$4.82M	-	Info Tech	Communications Equipment
Share changes, sector and industry · Pro
3	Debt	Fixed Inc Clearing Corp.Repo	2.05%	6.3%	-	$4.64M
4	—	F5 Networks	1.99%	8.3%	15,577	$4.51M
5	AKAM	Akamai Technologies Inc -	1.89%	10.2%	37,130	$4.26M
6	IDA	Idacorp Inc	1.86%	12.1%	29,358	$4.20M
7	EG	Everest Group Ltd	1.84%	13.9%	12,753	$4.17M
8	ONB	Old National Bancorp/In	1.69%	15.6%	172,884	$3.82M
9	—	Primo Water	1.61%	17.2%	193,562	$3.64M
10	COHR	Coherent, Inc	1.60%	18.8%	15,219	$3.63M
11	ITGR	Integer Holdings Corp	1.51%	20.3%	38,795	$3.41M
12	JLL	Jones Lang LaSalle Inc	1.49%	21.8%	11,089	$3.37M
13	—	Banner Trust	1.48%	23.3%	54,979	$3.34M
14	CG	Carlyle Group	1.48%	24.8%	69,352	$3.36M
15	BWA	Borgwarner Inc.	1.46%	26.3%	60,764	$3.30M
16	GTX	Garrett Motion Inc	1.45%	27.7%	179,870	$3.27M
17	ONTO	Onto Innovation Inc	1.43%	29.1%	15,732	$3.23M
18	—	CuIss-Wright Corp	1.42%	30.6%	4,700	$3.20M
19	LOPE	Grand Canyon Education	1.40%	32.0%	18,572	$3.16M
20	ELS	Equity Lifestyle Properties, Inc.	1.38%	33.3%	49,944	$3.12M
21	FLS	Flowserve Corp.	1.36%	34.7%	41,882	$3.08M
22	HR	Healthcare Realty Trust Inc	1.36%	36.1%	180,873	$3.07M
23	TLN	Talen Energy Corp.	1.36%	37.4%	9,609	$3.07M
24	AIT	Applied Industrial Technologies Inc_None_0	1.34%	38.8%	11,403	$3.03M
25	—	Marex Group Plc	1.34%	40.1%	67,883	$3.03M
26	TECH	Bio-Techne Cor	1.33%	41.4%	57,725	$3.02M
27	BRP	Brp Group Inc Class A	1.28%	42.7%	132,163	$2.90M
28	EWBC	East West Bancorp, Inc.	1.28%	44.0%	27,045	$2.89M
29	CRS	Carpenter Technology	1.26%	45.2%	7,226	$2.85M
30	JBTM	Jbt Marel	1.26%	46.5%	22,328	$2.86M
31	CCJ	Cameco Corp	1.25%	47.8%	25,952	$2.82M
32	LECO	Lincoln Elec Holdings Inc	1.25%	49.0%	11,326	$2.82M
33	—	Reliance Steel & Aluminum	1.25%	50.3%	9,324	$2.83M
34	BWXT	Bwx Technologies, Inc.	1.24%	51.5%	13,712	$2.80M
35	DCI	Donaldson Co Inc	1.23%	52.7%	32,645	$2.77M
36	SN	Sharkninja, Inc. Shs	1.23%	54.0%	26,337	$2.79M
37	VCEL	Vericel	1.21%	55.2%	84,953	$2.73M
38	HALO	Halozyme Therapeutics Inc	1.20%	56.4%	41,820	$2.70M
39	ULS	Ul Solutions Inc.	1.18%	57.5%	31,128	$2.67M
40	HQY	Healthequity Inc	1.16%	58.7%	31,514	$2.63M
41	TRU	Transunion	1.16%	59.9%	37,797	$2.62M
42	MLI	Mueller Industries Inc	1.13%	61.0%	23,128	$2.56M
43	REXR	Rexford Industrial Realty Inc.	1.13%	62.1%	78,338	$2.56M
44	—	Skyline Corp	1.11%	63.2%	33,622	$2.50M
45	TWST	Twist Bioscience Corp.	1.10%	64.3%	52,588	$2.50M
46	SLVM	Sylvamo Corp	1.09%	65.4%	58,249	$2.46M
47	LFUS	Littelfuse Inc	1.07%	66.5%	7,145	$2.42M
48	NBHC	National Bank Holdings Corp	1.05%	67.5%	60,656	$2.38M
49	WFRD	Weatherford International Plc	1.00%	68.5%	23,869	$2.26M
50	AR	Antero Resources Corp	1.00%	69.5%	53,389	$2.27M
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WBCIX Mutual Fund All Holdings

WBCIX holdings total 88 positions. The top 10 holdings account for 18.8% of the fund, led by Diebold Nixdorf Inc at 2.2%, Ciena Corp at 2.1%, Fixed Inc Clearing Corp.Repo at 2.0%.

WBCIX portfolio concentration is well-diversified, with the top 10 representing 18.8% of total assets. The largest sector exposure is Industrials at 19.7%.

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