William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $37.7B
This Quarter Return
+13.66%
1 Year Return
+25.84%
3 Year Return
+122.23%
5 Year Return
+199.92%
10 Year Return
+704.65%
AUM
$25.7B
AUM Growth
+$25.7B
Cap. Flow
-$1.44B
Cap. Flow %
-5.62%
Top 10 Hldgs %
18.53%
Holding
367
New
26
Increased
147
Reduced
165
Closed
24

Sector Composition

1 Technology 26.1%
2 Healthcare 18.61%
3 Consumer Discretionary 13.78%
4 Industrials 13.27%
5 Financials 7.56%
Name Market Value Portfolio Weight Shares or Principal Shares
Change %
Capital Flow
PEN icon
26
Penumbra
PEN
$10.5B
$239M 0.93%
1,227,385
-44,428
-3% -$8.64M
MA icon
27
Mastercard
MA
$536B
$236M 0.92%
698,378
-70,257
-9% -$23.8M
BFAM icon
28
Bright Horizons
BFAM
$6.62B
$235M 0.92%
1,545,774
+29,589
+2% +$4.5M
ZNGA
29
DELISTED
ZYNGA INC. CL A COMMON
ZNGA
$231M 0.9%
25,283,624
-488,930
-2% -$4.46M
EXAS icon
30
Exact Sciences
EXAS
$9.33B
$223M 0.87%
2,186,997
+407,772
+23% +$41.6M
PODD icon
31
Insulet
PODD
$24.2B
$222M 0.86%
936,839
+35,403
+4% +$8.38M
STE icon
32
Steris
STE
$23.9B
$218M 0.85%
1,239,384
+18,050
+1% +$3.18M
MRCY icon
33
Mercury Systems
MRCY
$4.04B
$214M 0.83%
2,761,855
+656,735
+31% +$50.9M
CABO icon
34
Cable One
CABO
$883M
$212M 0.83%
112,408
-1,576
-1% -$2.97M
AAP icon
35
Advance Auto Parts
AAP
$3.54B
$211M 0.82%
1,375,339
-34,176
-2% -$5.25M
PYPL icon
36
PayPal
PYPL
$66.5B
$209M 0.81%
1,060,772
-88,726
-8% -$17.5M
GNRC icon
37
Generac Holdings
GNRC
$10.3B
$206M 0.8%
1,064,436
+120,669
+13% +$23.4M
AZPN
38
DELISTED
ASPEN TECHNOLOGY INC
AZPN
$199M 0.78%
1,575,368
-25,390
-2% -$3.21M
BCO icon
39
Brink's
BCO
$4.69B
$199M 0.77%
4,838,605
+906,432
+23% +$37.2M
GLOB icon
40
Globant
GLOB
$2.82B
$196M 0.76%
1,094,570
-174,712
-14% -$31.3M
BAH icon
41
Booz Allen Hamilton
BAH
$13.2B
$192M 0.75%
2,319,187
-32,011
-1% -$2.66M
GDDY icon
42
GoDaddy
GDDY
$19.9B
$192M 0.75%
2,524,600
-24,579
-1% -$1.87M
TDY icon
43
Teledyne Technologies
TDY
$25.5B
$188M 0.73%
606,404
-8,935
-1% -$2.77M
HQY icon
44
HealthEquity
HQY
$8.26B
$188M 0.73%
3,650,089
+1,108,938
+44% +$57M
EEFT icon
45
Euronet Worldwide
EEFT
$3.72B
$185M 0.72%
2,034,209
-320,219
-14% -$29.2M
VCYT icon
46
Veracyte
VCYT
$2.41B
$185M 0.72%
5,681,089
+1,383,013
+32% +$44.9M
LGND icon
47
Ligand Pharmaceuticals
LGND
$3.25B
$181M 0.7%
1,895,374
+408,870
+28% +$39M
ADBE icon
48
Adobe
ADBE
$148B
$180M 0.7%
366,687
-40,351
-10% -$19.8M
TFX icon
49
Teleflex
TFX
$5.57B
$180M 0.7%
528,079
-32,423
-6% -$11M
AMED
50
DELISTED
Amedisys
AMED
$180M 0.7%
760,065
-226,937
-23% -$53.7M