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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
HHH icon
401
Howard Hughes
HHH
$3.98B
– –
-97,689
Closed -$6.34M
HIW icon
402
Highwoods Properties
HIW
$3.46B
– –
-5,944
Closed -$203K
ICFI icon
403
ICF International
ICFI
$1.61B
– –
-227,932
Closed -$21.7M
IWP icon
404
iShares Russell Mid-Cap Growth ETF
IWP
$21B
– –
-608
Closed -$48K
PJT icon
405
PJT Partners
PJT
$4.36B
– –
-159,560
Closed -$11.2M
SE icon
406
Sea Limited
SE
$78.5B
– –
-297,441
Closed -$19.9M
SEE
407
DELISTED
Sealed Air
SEE
– –
-3,502
Closed -$202K
SHC icon
408
Sotera Health
SHC
$5.39B
– –
-707,915
Closed -$13.9M
TEAM icon
409
Atlassian
TEAM
$39.4B
– –
-920,322
Closed -$172M
UPLD icon
410
Upland Software
UPLD
$14.9M
– –
-37,770
Closed -$5.48M
VTWO icon
411
Vanguard Russell 2000 ETF
VTWO
$17.4B
– –
-40,208
Closed -$2.75M
WBD icon
412
Warner Bros
WBD
$69.3B
– –
-12,486
Closed -$168K
WOOF icon
413
Petco
WOOF
$780M
– –
-7,619,542
Closed -$112M
Z icon
414
Zillow
Z
$7.48B
– –
-143,876
Closed -$4.57M
KAMN
415
DELISTED
Kaman Corp
KAMN
– –
-382,561
Closed -$12M
IAA
416
DELISTED
IAA, Inc. Common Stock
IAA
– –
-195,759
Closed -$6.42M
BTRS
417
DELISTED
BTRS Holdings Inc. Class 1 Common Stock
BTRS
– –
-1,221,275
Closed -$6.08M
AVLR
418
DELISTED
Avalara, Inc.
AVLR
– –
-1,803,089
Closed -$127M
DRE
419
DELISTED
Duke Realty Corp.
DRE
– –
-4,489
Closed -$247K
CTT
420
DELISTED
CATCHMARK TIMBER TRUST, INC.
CTT
– –
-605,380
Closed -$6.09M
HR
421
DELISTED
Healthcare Realty Trust Incorporated
HR
– –
-952,460
Closed -$25.9M
13 14 15 16
17

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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.