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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
CAKE icon
226
Cheesecake Factory
CAKE
$5.84B
$28.9M 0.1%
824,574
+43,633
+6% +$1.62M
SM icon
227
SM Energy
SM
$7.71B
$28.7M 0.1%
1,018,926
+3,150
+0.3% +$96.1K
EWBC icon
228
East-West Bancorp
EWBC
$18.5B
$28.5M 0.1%
513,083
+59,596
+13% +$4.11M
RYAAY icon
229
Ryanair
RYAAY
$30.8B
$28.3M 0.1%
748,738
+15,553
+2% +$574K
FBNC icon
230
First Bancorp
FBNC
$2.72B
$28.1M 0.1%
791,962
+2,790
+0.4% +$111K
EPC icon
231
Edgewell Personal Care
EPC
$1.32B
$27.9M 0.1%
657,226
+1,841
+0.3% +$77.1K
OXM icon
232
Oxford Industries
OXM
$538M
$27.2M 0.09%
257,730
+1,111
+0.4% +$124K
CTRE icon
233
CareTrust REIT
CTRE
$9.25B
$27.1M 0.09%
1,383,537
+4,376
+0.3% +$85.6K
NXGN
234
DELISTED
NextGen Healthcare, Inc. Common Stock
NXGN
$26.9M 0.09%
1,543,980
+4,431
+0.3% +$79.7K
ESRT icon
235
Empire State Realty Trust
ESRT
$817M
$26.3M 0.09%
4,052,572
+25,846
+0.6% +$189K
LXFR icon
236
Luxfer Holdings
LXFR
$457M
$26.3M 0.09%
1,555,733
+129,537
+9% +$2.08M
DCOM icon
237
Dime Commercial Bancshares
DCOM
$1.81B
$25.7M 0.09%
1,133,312
+2,781
+0.2% +$81.9K
SHO icon
238
Sunstone Hotel Investors
SHO
$2.01B
$25.6M 0.09%
2,586,269
+4,247
+0.2% +$43.1K
ADNT icon
239
Adient
ADNT
$1.44B
$25.5M 0.09%
623,238
-191,230
-23% -$7.98M
EBC icon
240
Eastern Bankshares
EBC
$5.34B
$25.4M 0.09%
2,015,903
+10,119
+0.5% +$156K
ARGO
241
DELISTED
Argo Group International Holdings, Ltd.
ARGO
$25.4M 0.09%
866,017
+6,060
+0.7% +$172K
FOLD
242
DELISTED
Amicus Therapeutics
FOLD
$25.3M 0.09%
2,281,092
+179,906
+9% +$2.22M
DCO icon
243
Ducommun
DCO
$3.04B
$25.1M 0.09%
459,546
-94,802
-17% -$5.17M
ABCM
244
DELISTED
Abcam PLC
ABCM
$24.9M 0.09%
1,850,889
-58,651
-3% -$875K
MLKN icon
245
MillerKnoll
MLKN
$1.64B
$24.8M 0.09%
1,212,358
+8,804
+0.7% +$198K
EPI icon
246
WisdomTree India Earnings Fund ETF
EPI
$2.04B
$24.8M 0.09%
785,263
-184,737
-19% -$5.95M
DBI icon
247
Designer Brands
DBI
$311M
$24.7M 0.09%
2,830,081
+782,396
+38% +$7.51M
ODFL icon
248
Old Dominion Freight Line
ODFL
$44.1B
$24.7M 0.09%
145,048
-4,478
-3% -$750K
SFNC icon
249
Simmons First National
SFNC
$3.45B
$24.5M 0.09%
1,402,894
+8,050
+0.6% +$171K
BANC icon
250
Banc of California
BANC
$3.1B
$24.5M 0.09%
1,955,357
+6,318
+0.3% +$102K
8 9
10
11 12

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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.