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William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $33.3B
1-Year Est. Return 44.76%
This Fund
S&P 500
This Quarter Est. Return
-0.67%
1 Year Est. Return
+44.76%
3 Year Est. Return
+140.8%
5 Year Est. Return
+166.51%
10 Year Est. Return
+978.6%
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
GTLS
26
DELISTED
Chart Industries
GTLS
$224M 0.88%
1,213,945
+10,544
+0.9% +$1.95M
CSGP icon
27
CoStar Group
CSGP
$12.6B
$223M 0.88%
3,197,926
+615,463
+24% +$42.7M
BCO icon
28
Brink's
BCO
$4.69B
$220M 0.87%
4,546,219
+100,286
+2% +$5.59M
COST icon
29
Costco
COST
$419B
$218M 0.86%
462,194
+29,250
+7% +$15.2M
LULU icon
30
lululemon athletica
LULU
$14.3B
$218M 0.86%
778,182
-54,886
-7% -$17M
MRCY icon
31
Mercury Systems
MRCY
$6.55B
$214M 0.84%
5,264,541
+791,172
+18% +$41.5M
WH icon
32
Wyndham Hotels & Resorts
WH
$5.38B
$212M 0.84%
3,463,621
+17,588
+0.5% +$1.18M
PFGC icon
33
Performance Food Group
PFGC
$17.9B
$208M 0.82%
4,844,817
-4,523
-0.1% -$224K
EEFT icon
34
Euronet Worldwide
EEFT
$2.64B
$199M 0.79%
2,628,739
+20,949
+0.8% +$1.97M
PEN icon
35
Penumbra
PEN
$12.9B
$199M 0.79%
1,048,513
+75,838
+8% +$12.2M
EHC icon
36
Encompass Health
EHC
$12.4B
$195M 0.77%
4,319,096
+4,313,986
+84,422% +$216M
POOL icon
37
Pool Corp
POOL
$7.32B
$195M 0.77%
611,339
+307,121
+101% +$110M
PYPL icon
38
PayPal
PYPL
$50.5B
$191M 0.76%
2,221,797
+298,396
+16% +$26.5M
CWST icon
39
Casella Waste Systems
CWST
$5.89B
$190M 0.75%
2,493,615
+401,079
+19% +$32.2M
ZTS icon
40
Zoetis
ZTS
$31.1B
$189M 0.75%
1,276,383
+104,098
+9% +$17.4M
NICE icon
41
Nice
NICE
$5.95B
$184M 0.73%
975,336
-3,531
-0.4% -$737K
WAL icon
42
Western Alliance Bancorporation
WAL
$8.89B
$178M 0.7%
2,709,615
+23,858
+0.9% +$1.81M
VIRT icon
43
Virtu Financial
VIRT
$4.86B
$177M 0.7%
8,530,964
+1,440,099
+20% +$33M
ACN icon
44
Accenture
ACN
$110B
$176M 0.69%
682,290
+92,722
+16% +$26.8M
HALO icon
45
Halozyme
HALO
$11.6B
$175M 0.69%
4,436,084
-130,787
-3% -$5.78M
FTI icon
46
TechnipFMC
FTI
$29.5B
$175M 0.69%
20,698,838
+14,624,383
+241% +$115M
MLM icon
47
Martin Marietta Materials
MLM
$33.3B
$172M 0.68%
532,490
+224,089
+73% +$75.9M
ALRM icon
48
Alarm.com
ALRM
$2.77B
$168M 0.66%
2,584,255
+32,675
+1% +$2.24M
ARES icon
49
Ares Management
ARES
$32.3B
$167M 0.66%
2,690,004
-244,901
-8% -$17.1M
CRM icon
50
Salesforce
CRM
$162B
$161M 0.64%
1,120,256
-4,970
-0.4% -$843K
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.