William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $37.7B
This Quarter Return
+7.99%
1 Year Return
+25.84%
3 Year Return
+122.23%
5 Year Return
+199.92%
10 Year Return
+704.65%
AUM
$31.9B
AUM Growth
+$31.9B
Cap. Flow
-$548M
Cap. Flow %
-1.72%
Top 10 Hldgs %
16.59%
Holding
479
New
112
Increased
102
Reduced
248
Closed
14

Sector Composition

1 Technology 25.77%
2 Healthcare 20.52%
3 Industrials 14.68%
4 Consumer Discretionary 14.22%
5 Financials 6.49%
Name Market Value Portfolio Weight Shares or Principal Shares
Change %
Capital Flow
TECH icon
26
Bio-Techne
TECH
$8.5B
$307M 0.96% 680,979 -145,458 -18% -$65.5M
HQY icon
27
HealthEquity
HQY
$7.72B
$300M 0.94% 3,727,613 -65,028 -2% -$5.23M
ACHC icon
28
Acadia Healthcare
ACHC
$2.12B
$297M 0.93% 4,726,796 -76,966 -2% -$4.83M
CCJ icon
29
Cameco
CCJ
$33.7B
$296M 0.93% 15,414,574 -214,349 -1% -$4.11M
NBIS
30
Nebius Group N.V. Class A Ordinary Shares
NBIS
$16.3B
$293M 0.92% 4,135,772 +215,121 +5% +$15.2M
ABMD
31
DELISTED
Abiomed Inc
ABMD
$291M 0.91% 932,573 -4,583 -0.5% -$1.43M
DEN
32
DELISTED
Denbury Inc.
DEN
$286M 0.9% 3,719,598 +2,505,341 +206% +$192M
MA icon
33
Mastercard
MA
$538B
$281M 0.88% 771,019 +15,951 +2% +$5.82M
LULU icon
34
lululemon athletica
LULU
$24.2B
$272M 0.85% 746,332 -31,761 -4% -$11.6M
LYV icon
35
Live Nation Entertainment
LYV
$38.6B
$270M 0.85% 3,079,663 -54,305 -2% -$4.76M
FOXF icon
36
Fox Factory Holding Corp
FOXF
$1.21B
$253M 0.79% +1,625,709 New +$253M
PYPL icon
37
PayPal
PYPL
$67.1B
$245M 0.77% 839,537 -36,791 -4% -$10.7M
RYAAY icon
38
Ryanair
RYAAY
$33.7B
$244M 0.77% 2,253,753 +281,774 +14% +$30.5M
BURL icon
39
Burlington
BURL
$18.3B
$238M 0.75% 739,099 +3,064 +0.4% +$987K
GWRE icon
40
Guidewire Software
GWRE
$18.3B
$234M 0.73% 2,073,722 +794,329 +62% +$89.5M
RBA icon
41
RB Global
RBA
$21.3B
$233M 0.73% 3,923,307 -80,901 -2% -$4.8M
MRCY icon
42
Mercury Systems
MRCY
$4.05B
$224M 0.7% 3,385,827 +117,183 +4% +$7.77M
WH icon
43
Wyndham Hotels & Resorts
WH
$6.61B
$223M 0.7% +3,090,470 New +$223M
MMSI icon
44
Merit Medical Systems
MMSI
$5.36B
$222M 0.7% 3,437,318 -39,611 -1% -$2.56M
ALRM icon
45
Alarm.com
ALRM
$2.93B
$222M 0.7% 2,619,619 -28,674 -1% -$2.43M
HALO icon
46
Halozyme
HALO
$8.56B
$222M 0.7% 4,882,486 -454,976 -9% -$20.7M
TXG icon
47
10x Genomics
TXG
$1.74B
$221M 0.69% 1,126,207 -23,539 -2% -$4.61M
GDDY icon
48
GoDaddy
GDDY
$20.5B
$218M 0.68% 2,505,218 -36,613 -1% -$3.18M
ZD icon
49
Ziff Davis
ZD
$1.57B
$214M 0.67% 1,557,357 -460,019 -23% -$63.3M
PODD icon
50
Insulet
PODD
$23.9B
$214M 0.67% 778,886 -16,358 -2% -$4.49M