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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
+10.03%
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
$26.1B
AUM Growth
+$841M
Cap. Flow
-$982M
Cap. Flow %
-3.76%
Top 10 Hldgs %
17.15%
Holding
419
New
32
Increased
142
Reduced
225
Closed
18

Top Buys

Rank Stock Value
1
MZTI
The Marzetti Company
MZTI
+$142M
2
AMBA icon
Ambarella
AMBA
+$92.4M
3
G icon
Genpact
G
+$92.1M
4
CMG icon
Chipotle Mexican Grill
CMG
+$83.1M
5
CG icon
Carlyle Group
CG
+$81.2M

Top Sells

Rank Stock Value
1
ABMD
Abiomed Inc
ABMD
+$241M
2
HZNP
Horizon Therapeutics Public Limited Company Ordinary Shares
HZNP
+$155M
3
DEN
Denbury Inc.
DEN
+$144M
4
RBA icon
RB Global
RBA
+$101M
5
CABO icon
Cable One
CABO
+$88.8M

Sector Composition

Rank Sector Weight
1 Technology 22.72%
2 Healthcare 17.24%
3 Industrials 15.95%
4 Consumer Discretionary 14.35%
5 Financials 11.06%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
JBL icon
376
Jabil
JBL
$38.4B
$275K ﹤0.01%
4,031
+11
+0.3% +$727
RL icon
377
Ralph Lauren
RL
$23.6B
$264K ﹤0.01%
2,503
+10
+0.4% +$1K
MSM icon
378
MSC Industrial Direct
MSM
$6.67B
$259K ﹤0.01%
3,166
+11
+0.3% +$897
CHKP icon
379
Check Point Software Technologies
CHKP
$13.2B
$255K ﹤0.01%
2,020
+6
+0.3% +$749
ITT icon
380
ITT
ITT
$19.4B
$254K ﹤0.01%
+3,134
New +$243K
HUN icon
381
Huntsman Corp
HUN
$1.78B
$253K ﹤0.01%
9,196
+36
+0.4% +$979
SLM icon
382
SLM Corp
SLM
$5.26B
$245K ﹤0.01%
14,776
-3,069
-17% -$50.3K
ALK icon
383
Alaska Air
ALK
$5.29B
$243K ﹤0.01%
5,670
+21
+0.4% +$925
FFIV icon
384
F5
FFIV
$24B
$243K ﹤0.01%
+1,695
New +$248K
CMA
385
DELISTED
Comerica
CMA
$240K ﹤0.01%
3,592
+361
+11% +$25K
HIW icon
386
Highwoods Properties
HIW
$3.46B
$237K ﹤0.01%
+8,488
New +$236K
WTW icon
387
Willis Towers Watson
WTW
$31.6B
$233K ﹤0.01%
+951
New +$217K
SNV
388
DELISTED
Synovus
SNV
$231K ﹤0.01%
6,165
+23
+0.4% +$913
DXC icon
389
DXC Technology
DXC
$1.71B
$221K ﹤0.01%
8,357
+32
+0.4% +$890
ETR icon
390
Entergy
ETR
$50.3B
$221K ﹤0.01%
+3,934
New +$216K
VTRS icon
391
Viatris
VTRS
$18.5B
$219K ﹤0.01%
19,676
+74
+0.4% +$773
CPT icon
392
Camden Property Trust
CPT
$10.9B
$217K ﹤0.01%
1,944
+195
+11% +$22.3K
WHR icon
393
Whirlpool
WHR
$2.79B
$217K ﹤0.01%
1,533
+4
+0.3% +$569
HIG icon
394
Hartford Financial Services
HIG
$37.7B
$216K ﹤0.01%
+2,853
New +$205K
APA icon
395
APA Corp
APA
$14B
$203K ﹤0.01%
+4,344
New +$194K
TOL icon
396
Toll Brothers
TOL
$13.9B
$201K ﹤0.01%
+4,021
New +$185K
HST icon
397
Host Hotels & Resorts
HST
$15.6B
$193K ﹤0.01%
12,023
+61
+0.5% +$1.07K
HPE icon
398
Hewlett Packard
HPE
$77.8B
$180K ﹤0.01%
11,304
-4,877
-30% -$71.9K
IWF icon
399
iShares Russell 1000 Growth ETF
IWF
$128B
$164K ﹤0.01%
3,060
+2,400
+364% +$132K
HBAN icon
400
Huntington Bancshares
HBAN
$36.1B
$154K ﹤0.01%
10,905
-2,954
-21% -$42.8K
13 14 15
16
17

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William Blair Investment Management's Q4 2022 Portfolio in Review

As of Q4 2022, William Blair Investment Management held 419 positions worth $26.1B, up 3.3% from $25.3B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair Investment Management withdrew a net $982M in Q4 2022, closing 18 positions and reducing 225 holdings. Its most notable exit was Abiomed Inc, an estimated $241M position sold in full.

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

Against the trend, William Blair Investment Management opened a new position in The Marzetti Company worth $148M.

  • William Blair Investment Management's largest Q4 2022 buy was The Marzetti Company: 748,865 shares worth $148M.
  • William Blair Investment Management added most to Chipotle Mexican Grill in Q4 2022, an estimated $83.1M increase.
  • William Blair Investment Management's biggest Q4 2022 reduction was Horizon Therapeutics Public Limited Company Ordinary Shares, cutting an estimated $155M.
  • William Blair Investment Management fully exited Abiomed Inc in Q4 2022, selling an estimated $241M.
  • William Blair Investment Management's ten largest holdings make up 17% of its $26.1B portfolio in Q4 2022.
  • William Blair Investment Management opened 32 new positions and closed 18 in Q4 2022.
  • William Blair Investment Management's portfolio value rose 3.3% quarter-over-quarter to $26.1B.

Based on William Blair Investment Management's 13F filing for Q4 2022, filed 9 Feb 2023.