WB

William Blair Small Cap Growth Fund | WBSNX

Mutual Fund
WILLIAM BLAIR FUNDS
Last update 2025-06-25 92 Stocks (9 new)
Value $830.00 Mil Turnover 15 %
Countries:
William Blair Small Cap Growth... Top Holdings of 2025-03-31 View Full List
Ticker
Company
Shares
Value ($1000)
Shares Change %
Weighting %
Trade Impact %
% of Shares outstanding
3M Change %
YTD Change %
Market Cap $Mil
Industry
CWST
Casella Waste Systems Inc
189,610
21,143.4
-15.62%
2.550
-0.41%
0.300
-3.90%
+4.52%
7,018.4
Waste Management
BCPC
Balchem Corp
97,350
16,160.1
+8.31%
1.950
+0.15%
0.300
-1.42%
-2.79%
5,167.9
Chemicals
INSM
Insmed Inc
209,650
15,994.2
+8.18%
1.930
+0.15%
0.110
+43.18%
+42.21%
18,649.4
Biotechnology
BCO
The Brink's Co
180,746
15,573.1
+8.46%
1.880
+0.15%
0.430
+8.03%
+0.88%
3,908.9
Business Services
MRCY
Mercury Systems Inc
355,628
15,324.0
-4.09%
1.850
-0.07%
0.600
+10.35%
+21.33%
3,045.1
Aerospace & Defense
PRMB
Primo Brands Corp
420,070
14,908.3
+8.39%
1.800
+0.14%
0.110
-15.03%
-6.43%
10,679.1
Beverages - Non-Alcoholic
BWIN
The Baldwin Insurance Group Inc
327,879
14,652.9
+8.10%
1.770
+0.13%
0.460
-4.00%
+5.16%
2,879.3
Insurance
DOCS
Doximity Inc
235,850
13,686.4
-28.50%
1.650
-0.56%
0.130
+13.91%
+12.76%
11,307.1
Healthcare Providers & Services
VCEL
Vericel Corp
302,759
13,509.1
+8.04%
1.630
+0.12%
0.600
-3.20%
-27.28%
2,010.2
Biotechnology
MMSI
Merit Medical Systems Inc
126,410
13,362.8
+8.21%
1.610
+0.12%
0.210
+1.58%
-3.34%
5,525.2
Medical Devices & Instruments

William Blair Small Cap Growth Fund's Historical Top Holdings Breakdowns

William Blair Small Cap Growth Fund's Top Stock Picks View Full List
Ticker
Company
Date
Action
Impact %
Price Range
Price
Price Change from Avrg%
Comment
Current Shares
Share Change
WK
Workiva Inc
2025-03-31
Sold Out
Sold Out
-1.50%
75.91 ($94.44) 114.09
$67.14
-28.91%
Sold Out
0
-124,380
CRDO
Credo Technology Group Holding Ltd
2025-03-31
Sold Out
Sold Out
-1.44%
39.45 ($62.16) 85.5
$98.52
58.49%
Sold Out
0
-193,790
PEN
Penumbra Inc
2025-03-31
Sold Out
Sold Out
-1.32%
237.28 ($270.5) 303.76
$237.94
-12.04%
Sold Out
0
-50,300
AMBA
Ambarella Inc
2025-03-31
Sold Out
Sold Out
-1.30%
48.94 ($68.45) 82.94
$66.88
-2.29%
Sold Out
0
-161,490
AGYS
Agilysys Inc
2025-03-31
Sold Out
Sold Out
-1.21%
71.45 ($91.4) 134.56
$113.92
24.64%
Sold Out
0
-83,217
VERX
Vertex Inc
2025-03-31
New Buy
New Buy
+1.04%
31.15 ($45.68) 58.95
$34.48
-24.52%
New holding
247,420
247,420
RUSHA
Rush Enterprises Inc
2025-03-31
New Buy
New Buy
+1.03%
52.01 ($57.35) 61.99
$53.69
-6.38%
New holding
159,680
159,680
COLD
Americold Realty Trust Inc
2025-03-31
New Buy
New Buy
+0.99%
20.74 ($21.74) 23.05
$16.61
-23.60%
New holding
381,530
381,530
CECO
CECO Environmental Corp
2025-03-31
New Buy
New Buy
+0.84%
22.65 ($26.66) 32.82
$30.66
15.00%
New holding
306,760
306,760
FRPT
Freshpet Inc
2025-03-31
New Buy
New Buy
+0.84%
83.17 ($122.36) 162.59
$68.39
-44.11%
New holding
83,630
83,630

William Blair Small Cap Growth Fund Total Holding History ($B)

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William Blair Small Cap Growth Fund's Asset Allocation

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William Blair Small Cap Growth Fund Past Portfolios

Portfolio Date Number of Stocks New Stocks Total Value ($Mil) Q/Q Turnover

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William Blair Small Cap Growth Fund's Hypothetical Growth since 2025-03-31

William Blair Small Cap Growth Fund's Yearly Returns

Year Portfolio % % Excess Gain %

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