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William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $30.3B
1-Year Est. Return 33.75%
This Fund
S&P 500
This Quarter Est. Return
-0.67%
1 Year Est. Return
+33.75%
3 Year Est. Return
+108.55%
5 Year Est. Return
+126.9%
10 Year Est. Return
+788.31%
AUM
$25.3B
AUM Growth
-$1.68B
Cap. Flow
-$904M
Cap. Flow %
-3.57%
Top 10 Hldgs %
17.26%
Holding
421
New
18
Increased
147
Reduced
220
Closed
34

Top Buys

Rank Stock Value
1
CP icon
Canadian Pacific Kansas City
CP
+$223M
2
EHC icon
Encompass Health
EHC
+$216M
3
FTI icon
TechnipFMC
FTI
+$115M
4
POOL icon
Pool Corp
POOL
+$110M
5
MLM icon
Martin Marietta Materials
MLM
+$75.9M

Top Sells

Rank Stock Value
1
CNI icon
Canadian National Railway
CNI
+$256M
2
TEAM icon
Atlassian
TEAM
+$172M
3
NVDA icon
NVIDIA
NVDA
+$133M
4
AVLR
Avalara, Inc.
AVLR
+$127M
5
WOOF icon
Petco
WOOF
+$112M

Sector Composition

Rank Sector Weight
1 Technology 22.56%
2 Healthcare 18.06%
3 Industrials 16.24%
4 Consumer Discretionary 13.94%
5 Financials 10.86%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MSFT icon
1
Microsoft
MSFT
$3.71T
$750M 2.97%
3,221,802
+12,606
+0.4% +$3.33M
TSM icon
2
TSMC
TSM
$2.18T
$627M 2.48%
9,146,620
-257,599
-3% -$21.3M
AMZN icon
3
Amazon
AMZN
$2.96T
$509M 2.01%
4,502,128
-647
-0% -$81.8K
GOOGL icon
4
Alphabet (Google) Class A
GOOGL
$4.33T
$449M 1.78%
4,695,827
-1,613
-0% -$179K
LIN icon
5
Linde
LIN
$226B
$390M 1.54%
1,446,631
+143,118
+11% +$41.1M
MA icon
6
Mastercard
MA
$493B
$361M 1.43%
1,269,800
+43,435
+4% +$14.4M
UNH icon
7
UnitedHealth
UNH
$370B
$339M 1.34%
672,140
+4,983
+0.7% +$2.62M
BWXT icon
8
BWX Technologies
BWXT
$15.6B
$335M 1.32%
6,653,575
+256,065
+4% +$13.8M
CP icon
9
Canadian Pacific Kansas City
CP
$80.5B
$308M 1.22%
4,612,105
+2,949,668
+177% +$223M
BLDR icon
10
Builders FirstSource
BLDR
$8.04B
$297M 1.18%
5,048,214
-252,893
-5% -$15.8M
ACHC icon
11
Acadia Healthcare
ACHC
$2.94B
$290M 1.15%
3,709,258
-60,373
-2% -$4.83M
EYE icon
12
National Vision
EYE
$1.81B
$286M 1.13%
8,755,185
+990,927
+13% +$32.2M
ICLR icon
13
Icon
ICLR
$12.7B
$279M 1.1%
1,516,238
-4,260
-0.3% -$927K
MELI icon
14
Mercado Libre
MELI
$92.3B
$274M 1.08%
331,241
-5,895
-2% -$5.07M
CCJ icon
15
Cameco
CCJ
$42.4B
$271M 1.07%
10,208,393
-2,078,371
-17% -$53.2M
DEN
16
DELISTED
Denbury Inc.
DEN
$269M 1.06%
3,113,800
+6,442
+0.2% +$494K
CCK icon
17
Crown Holdings
CCK
$13.1B
$252M 1%
3,116,059
+52,694
+2% +$4.91M
TD icon
18
Toronto Dominion Bank
TD
$200B
$245M 0.97%
4,007,643
+248,195
+7% +$16.1M
ABMD
19
DELISTED
Abiomed Inc
ABMD
$241M 0.95%
980,662
+2,504
+0.3% +$676K
AXON
20
Axon Enterprise
AXON
$46.4B
$239M 0.94%
2,064,534
-66,369
-3% -$7.52M
MMSI icon
21
Merit Medical Systems
MMSI
$5.32B
$231M 0.91%
4,083,997
+833,134
+26% +$48M
CHE icon
22
Chemed
CHE
$7.22B
$229M 0.9%
524,042
+120,663
+30% +$58M
GLOB icon
23
Globant
GLOB
$1.61B
$226M 0.89%
1,206,989
-82,032
-6% -$16.9M
SEDG icon
24
SolarEdge
SEDG
$1.95B
$225M 0.89%
970,915
+42,524
+5% +$12.5M
HQY icon
25
HealthEquity
HQY
$8.75B
$224M 0.88%
3,332,969
+645,378
+24% +$40.8M
1
2 3 4 5

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William Blair Investment Management's Q3 2022 Portfolio in Review

As of Q3 2022, William Blair Investment Management held 421 positions worth $25.3B, down 6.2% from $27B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair Investment Management withdrew a net $904M in Q3 2022, closing 34 positions and reducing 220 holdings. Its most notable exit was Atlassian, an estimated $172M position sold in full.

By sector, the portfolio is most concentrated in Technology at 23% of assets, down from 25% a quarter earlier, followed by Healthcare and Industrials.

Against the trend, William Blair Investment Management opened a new position in Pioneer Natural Resource Co. worth $69.6M.

  • William Blair Investment Management's largest Q3 2022 buy was Pioneer Natural Resource Co.: 321,592 shares worth $69.6M.
  • William Blair Investment Management added most to Canadian Pacific Kansas City in Q3 2022, an estimated $223M increase.
  • William Blair Investment Management's biggest Q3 2022 reduction was Canadian National Railway, cutting an estimated $256M.
  • William Blair Investment Management fully exited Atlassian in Q3 2022, selling an estimated $172M.
  • William Blair Investment Management's ten largest holdings make up 17% of its $25.3B portfolio in Q3 2022.
  • William Blair Investment Management opened 18 new positions and closed 34 in Q3 2022.
  • William Blair Investment Management's portfolio value fell 6.2% quarter-over-quarter to $25.3B.

Based on William Blair Investment Management's 13F filing for Q3 2022, filed 9 Nov 2022.