WBSIX
William Blair Small Cap Growth Fund
WILLIAM BLAIR FUNDS

Portfolio concentration

As of March 31, 2026 · N-PORT
Holdings
93
Top-10 weight
20.05%
Effective holdings ?
77
Crowding ?
381.2

Holdings

As of March 31, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 FIXED INC CLEARING CORP.REPO 36,964,691 $36.96M 3.73%
2 DIEBOLD NIXDORF INC 323,310 $24.39M 2.46%
3 TWIST BIOSCIENCE CORP 449,874 $21.38M 2.15%
4 BALCHEM CORP 108,940 $18.46M 1.86%
5 COGNEX CORP 351,240 $17.21M 1.73%
6 MAREX GROUP PLC MRX 385,570 $17.19M 1.73%
7 RUSH STREET INTERACTIVE INC 736,150 $16.01M 1.61%
8 GARRETT MOTION INC 878,759 $15.97M 1.61%
9 REGAL REXNORD CORP 84,510 $15.83M 1.59%
10 GLOBUS MEDICAL INC 180,603 $15.56M 1.57%
11 FLOWSERVE CORP 209,950 $15.43M 1.56%
12 PRIMO BRANDS CORP A 817,030 $15.38M 1.55%
13 BLOOM ENERGY CORP CL A 112,900 $15.30M 1.54%
14 GRAND CANYON EDUCATION INC 89,661 $15.25M 1.54%
15 NEXTRACKER INC CL A 125,440 $15.12M 1.52%
16 OLD NATL BANCORP 680,690 $15.04M 1.52%
17 KRYSTAL BIOTECH INC 55,790 $14.41M 1.45%
18 ALIGNMENT HEALTHCARE INC 811,848 $14.30M 1.44%
19 NATIONAL-CL A 362,130 $14.18M 1.43%
20 MADRIGAL PHARMACEUTICALS INC 26,758 $14.01M 1.41%
21 FIRSTSERVICE-WI 97,817 $13.59M 1.37%
22 US LIME & MINERA 103,525 $13.52M 1.36%
23 ESTABLISHMENT LABS HOLDINGS INC ESTA 237,980 $13.51M 1.36%
24 WEATHERFORD INTERNATIONAL PLC 140,960 $13.33M 1.34%
25 VERICEL CORP 410,954 $13.22M 1.33%
26 BWX TECHNOLOGIES INC 61,894 $12.66M 1.28%
27 PDF SOLUTIONS INC 386,599 $12.65M 1.27%
28 MERIT MEDICAL SYSTEMS INC 183,210 $12.63M 1.27%
29 SKYLINE CHAMPION CORP 167,169 $12.43M 1.25%
30 STERLING INFRASTRUCTURE INC 30,040 $12.23M 1.23%
31 BRINK'S CO/THE 114,634 $11.88M 1.20%
32 BRP GROUP INC-A 536,471 $11.77M 1.19%
33 BKV CORPORATION 402,770 $11.49M 1.16%
34 NOVANTA INC 95,070 $11.23M 1.13%
35 VERACYTE INC 342,133 $11.02M 1.11%
36 GLAUKOS CORP 102,340 $11.02M 1.11%
37 HALOZYME THERAPEUTICS INC 167,040 $10.80M 1.09%
38 MIRUM PHARMACEUTICALS INC 115,733 $10.69M 1.08%
39 QUAKER HOUGHTON 85,297 $10.60M 1.07%
40 NATIONAL VISION HOLDINGS INC 405,706 $10.51M 1.06%
41 PERELLA WEINBERG PARTNERS 577,795 $10.49M 1.06%
42 APPFOLIO INC - A 66,350 $10.47M 1.06%
43 JEFFERSON CAPITAL INC 539,047 $10.37M 1.04%
44 OSI SYSTEMS INC 38,950 $10.34M 1.04%
45 ESAB CORP 104,320 $10.08M 1.02%
46 POWER INTEGRATIONS INC 195,985 $10.03M 1.01%
47 ISHARES RUSSELL 2000 GROWTH MUTUAL FUND IWO US 31,550 $9.90M 1.00%
48 MODINE MFG CO 45,560 $9.87M 0.99%
49 AGILYSYS INC 137,660 $9.79M 0.99%
50 US PHYSICAL THERAPY INC 130,522 $9.78M 0.99%
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