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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

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
FERG icon
326
Ferguson
FERG
$47.4B
$6.12M 0.02%
48,459
-17,807
-27% -$2.07M
AON icon
327
Aon
AON
$74.7B
$5.75M 0.02%
19,158
-4,455
-19% -$1.3M
AJRD
328
DELISTED
Aerojet Rocketdyne Holdings
AJRD
$5.55M 0.02%
+99,320
New +$4.92M
A icon
329
Agilent Technologies
A
$41.9B
$5.3M 0.02%
35,422
-35,495
-50% -$5.07M
FIS icon
330
Fidelity National Information Services
FIS
$21.6B
$4.96M 0.02%
73,081
-228,832
-76% -$16.3M
NVO
331
Novo Nordisk
NVO
$203B
$4.93M 0.02%
72,926
+1,514
+2% +$88.8K
TS icon
332
Tenaris
TS
$26.8B
$4.62M 0.02%
131,376
+2,275
+2% +$72.8K
AZN icon
333
AstraZeneca
AZN
$246B
$4.14M 0.02%
30,497
+3,784
+14% +$475K
TTWO icon
334
Take-Two Interactive
TTWO
$45.4B
$4.05M 0.02%
38,924
-16,994
-30% -$1.84M
DEO icon
335
Diageo
DEO
$52.2B
$3.43M 0.01%
19,248
+5,470
+40% +$960K
RTO icon
336
Rentokil
RTO
$12.3B
$3.4M 0.01%
+110,337
New +$3.43M
ETSY icon
337
Etsy
ETSY
$7.31B
$3.32M 0.01%
27,758
-22,562
-45% -$2.58M
ASML icon
338
ASML
ASML
$695B
$2.99M 0.01%
5,481
-846
-13% -$443K
ABT icon
339
Abbott
ABT
$192B
$2.55M 0.01%
23,225
+3,090
+15% +$320K
IWN icon
340
iShares Russell 2000 Value ETF
IWN
$14.6B
$2.45M 0.01%
+17,664
New +$2.49M
APTV icon
341
Aptiv
APTV
$10.1B
$2.35M 0.01%
25,283
-19,689
-44% -$1.87M
EQNR icon
342
Equinor
EQNR
$97.3B
$2.35M 0.01%
+65,576
New +$2.35M
TDCX
343
DELISTED
TDCX Inc. American Depositary Shares, each representing one Class A ordinary share
TDCX
$2.28M 0.01%
184,342
-2,438
-1% -$29.1K
TJX icon
344
TJX Companies
TJX
$169B
$2.09M 0.01%
26,258
-343
-1% -$25.3K
CINT icon
345
CI&T Inc
CINT
$465M
$1.57M 0.01%
242,262
-3,195
-1% -$25K
AZUL
346
DELISTED
Azul
AZUL
$1.5M 0.01%
245,034
-214,212
-47% -$1.67M
DAR icon
347
Darling Ingredients
DAR
$10B
$1.36M 0.01%
21,759
+7,419
+52% +$523K
NVR icon
348
NVR
NVR
$16.8B
$1.36M 0.01%
294
BRDG
349
DELISTED
Bridge Investment Group
BRDG
$1.24M ﹤0.01%
103,108
-68,166
-40% -$981K
VMC icon
350
Vulcan Materials
VMC
$36.3B
$1.17M ﹤0.01%
6,675
-25,420
-79% -$4.35M

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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.