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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
+11.26%
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
$28.7B
AUM Growth
+$2.56B
Cap. Flow
+$530M
Cap. Flow %
1.85%
Top 10 Hldgs %
19.55%
Holding
425
New
24
Increased
254
Reduced
112
Closed
32

Top Buys

Rank Stock Value
1
RACE icon
Ferrari
RACE
+$191M
2
TSM icon
TSMC
TSM
+$128M
3
KOS icon
Kosmos Energy
KOS
+$111M
4
FIVE icon
Five Below
FIVE
+$111M
5
AMD icon
Advanced Micro Devices
AMD
+$86.5M

Top Sells

Rank Stock Value
1
HALO icon
Halozyme
HALO
+$211M
2
SYK icon
Stryker
SYK
+$153M
3
WH icon
Wyndham Hotels & Resorts
WH
+$113M
4
FTI icon
TechnipFMC
FTI
+$92.8M
5
AZTA icon
Azenta
AZTA
+$78.7M

Sector Composition

Rank Sector Weight
1 Technology 25.27%
2 Industrials 16.92%
3 Consumer Discretionary 15.22%
4 Healthcare 14.65%
5 Financials 9.04%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
JCI icon
351
Johnson Controls International
JCI
$92.6B
$967K ﹤0.01%
16,054
+501
+3% +$32.1K
DXCM icon
352
DexCom
DXCM
$34.3B
$947K ﹤0.01%
8,155
-160
-2% -$17.9K
HES
353
DELISTED
Hess
HES
$889K ﹤0.01%
6,715
-130
-2% -$18.1K
A icon
354
Agilent Technologies
A
$41.9B
$810K ﹤0.01%
5,855
-29,567
-83% -$4.32M
MTD icon
355
Mettler-Toledo International
MTD
$28.8B
$771K ﹤0.01%
504
-11
-2% -$16.5K
WST icon
356
West Pharmaceutical
WST
$24.8B
$553K ﹤0.01%
+1,595
New +$466K
CLVT icon
357
Clarivate
CLVT
$1.19B
$524K ﹤0.01%
55,805
-1,095
-2% -$11.3K
TFC icon
358
Truist Financial
TFC
$64.3B
$504K ﹤0.01%
14,791
-11,189
-43% -$488K
TDCX
359
DELISTED
TDCX Inc. American Depositary Shares, each representing one Class A ordinary share
TDCX
$501K ﹤0.01%
56,261
-128,081
-69% -$1.55M
ALGN icon
360
Align Technology
ALGN
$12.4B
$488K ﹤0.01%
1,460
-535
-27% -$158K
STE icon
361
Steris
STE
$23.1B
$381K ﹤0.01%
1,990
-55,868
-97% -$10.8M
JBL icon
362
Jabil
JBL
$38.4B
$332K ﹤0.01%
3,768
-263
-7% -$21.2K
TKR icon
363
Timken Company
TKR
$9.03B
$316K ﹤0.01%
3,870
-151
-4% -$12.2K
LKQ icon
364
LKQ Corp
LKQ
$6.25B
$315K ﹤0.01%
5,556
+11
+0.2% +$620
KNX icon
365
Knight Transportation
KNX
$11.6B
$311K ﹤0.01%
5,497
+12
+0.2% +$686
SNA icon
366
Snap-on
SNA
$21.1B
$306K ﹤0.01%
1,239
-65
-5% -$15.9K
TAP icon
367
Molson Coors Class B
TAP
$7.75B
$298K ﹤0.01%
5,773
+12
+0.2% +$621
INGR icon
368
Ingredion
INGR
$6.54B
$294K ﹤0.01%
2,889
+6
+0.2% +$599
RL icon
369
Ralph Lauren
RL
$23.6B
$293K ﹤0.01%
2,508
+5
+0.2% +$590
ACGL icon
370
Arch Capital
ACGL
$33.2B
$283K ﹤0.01%
4,169
-859
-17% -$56.4K
ITT icon
371
ITT
ITT
$19.4B
$271K ﹤0.01%
3,141
+7
+0.2% +$615
MSM icon
372
MSC Industrial Direct
MSM
$6.67B
$267K ﹤0.01%
3,173
+7
+0.2% +$580
CHKP icon
373
Check Point Software Technologies
CHKP
$13.2B
$263K ﹤0.01%
2,024
+4
+0.2% +$509
IVZ icon
374
Invesco
IVZ
$13.9B
$257K ﹤0.01%
15,666
+33
+0.2% +$589
HUN icon
375
Huntsman Corp
HUN
$1.78B
$252K ﹤0.01%
9,216
+20
+0.2% +$596
13 14
15
16 17

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William Blair Investment Management's Q1 2023 Portfolio in Review

As of Q1 2023, William Blair Investment Management held 425 positions worth $28.7B, up 9.8% from $26.1B the previous quarter. Its ten largest holdings account for 20% of the portfolio.

William Blair Investment Management's Q1 2023 filing shows 24 new, 254 increased, 112 reduced and 32 closed positions. Its largest new stake was Ferrari: 749,761 shares worth $203M. The largest sale was Halozyme, an estimated $211M.

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

  • William Blair Investment Management's largest Q1 2023 buy was Ferrari: 749,761 shares worth $203M.
  • William Blair Investment Management added most to TSMC in Q1 2023, an estimated $128M increase.
  • William Blair Investment Management's biggest Q1 2023 reduction was Wyndham Hotels & Resorts, cutting an estimated $113M.
  • William Blair Investment Management fully exited Halozyme in Q1 2023, selling an estimated $211M.
  • William Blair Investment Management's ten largest holdings make up 20% of its $28.7B portfolio in Q1 2023.
  • William Blair Investment Management opened 24 new positions and closed 32 in Q1 2023.
  • William Blair Investment Management's portfolio value rose 9.8% quarter-over-quarter to $28.7B.

Based on William Blair Investment Management's 13F filing for Q1 2023, filed 12 May 2023.