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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
+5.73%
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
$37B
AUM Growth
+$1.55B
Cap. Flow
+$474M
Cap. Flow %
1.28%
Top 10 Hldgs %
16.63%
Holding
465
New
34
Increased
192
Reduced
193
Closed
38

Top Buys

Rank Stock Value
1
MSFT icon
Microsoft
MSFT
+$206M
2
AMZN icon
Amazon
AMZN
+$159M
3
NFLX icon
Netflix
NFLX
+$145M
4
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$127M
5
SKIN icon
SkinHealth Systems
SKIN
+$113M

Top Sells

Rank Stock Value
1
PODD icon
Insulet
PODD
+$218M
2
EHC icon
Encompass Health
EHC
+$200M
3
FCFS icon
FirstCash
FCFS
+$170M
4
GDDY icon
GoDaddy
GDDY
+$167M
5
ZEN
ZENDESK INC
ZEN
+$156M

Sector Composition

Rank Sector Weight
1 Technology 26.95%
2 Healthcare 17.95%
3 Consumer Discretionary 15.98%
4 Industrials 14.09%
5 Financials 7.71%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
KALU icon
226
Kaiser Aluminum
KALU
$3.12B
$37.4M 0.1%
398,015
+139,459
+54% +$14.1M
MTX icon
227
Minerals Technologies
MTX
$2.27B
$37.1M 0.1%
506,926
-44,480
-8% -$3.2M
THS
228
DELISTED
Treehouse Foods
THS
$36.5M 0.1%
899,446
-70,944
-7% -$2.74M
CENTA icon
229
Central Garden & Pet Co Class A
CENTA
$2.43B
$35.7M 0.1%
933,665
-81,938
-8% -$3.03M
FBNC icon
230
First Bancorp
FBNC
$2.71B
$35.5M 0.1%
776,704
-62,392
-7% -$2.92M
GVA icon
231
Granite Construction
GVA
$5.55B
$35.5M 0.1%
917,601
-79,551
-8% -$3.15M
FIS icon
232
Fidelity National Information Services
FIS
$21.6B
$35.5M 0.1%
324,848
-104,992
-24% -$11.9M
POWI icon
233
Power Integrations
POWI
$3.59B
$35.4M 0.1%
381,203
+210,984
+124% +$20.7M
NVRI icon
234
Enviri
NVRI
$561M
$35M 0.09%
2,093,927
+160,602
+8% +$2.59M
PDFS icon
235
PDF Solutions
PDFS
$2.2B
$34.9M 0.09%
1,098,554
-40,986
-4% -$1.14M
ENSG icon
236
The Ensign Group
ENSG
$10.6B
$34.8M 0.09%
415,065
-34,754
-8% -$2.7M
VEEV icon
237
Veeva Systems
VEEV
$38.7B
$34.4M 0.09%
134,692
-12,268
-8% -$3.57M
CNDT icon
238
Conduent
CNDT
$236M
$34.4M 0.09%
6,435,120
-556,172
-8% -$3.32M
INFY icon
239
Infosys
INFY
$49.6B
$34.1M 0.09%
1,347,848
-8,298
-0.6% -$193K
NWE icon
240
NorthWestern Energy
NWE
$4.38B
$34M 0.09%
594,100
-47,343
-7% -$2.69M
CBRL icon
241
Cracker Barrel
CBRL
$1.29B
$33.9M 0.09%
263,282
-22,448
-8% -$3M
MYE icon
242
Myers Industries
MYE
$1.24B
$33.6M 0.09%
1,680,065
+138,455
+9% +$2.8M
PLOW icon
243
Douglas Dynamics
PLOW
$971M
$33.2M 0.09%
850,966
+10,206
+1% +$412K
TDS icon
244
Telephone and Data Systems
TDS
$3.81B
$33.1M 0.09%
1,640,492
-128,593
-7% -$2.51M
FCPT icon
245
Four Corners Property Trust
FCPT
$2.72B
$32.7M 0.09%
1,111,963
-89,518
-7% -$2.54M
ZD icon
246
Ziff Davis
ZD
$1.88B
$32.6M 0.09%
294,441
-40,244
-12% -$4.77M
CIGI icon
247
Colliers International
CIGI
$5.1B
$32.2M 0.09%
216,467
+1,684
+0.8% +$239K
SR icon
248
Spire
SR
$4.87B
$31.9M 0.09%
489,790
-846
-0.2% -$53.5K
HCAT icon
249
Health Catalyst
HCAT
$133M
$31.8M 0.09%
802,270
+8,571
+1% +$391K
ASTE icon
250
Astec Industries
ASTE
$990M
$31.6M 0.09%
456,045
-41,216
-8% -$2.58M
8 9
10
11 12

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William Blair Investment Management's Q4 2021 Portfolio in Review

As of Q4 2021, William Blair Investment Management held 465 positions worth $37B, up 4.4% from $35.5B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair Investment Management's Q4 2021 filing shows 34 new, 192 increased, 193 reduced and 38 closed positions. Its largest new stake was Netflix: 2,270,340 shares worth $137M. The largest sale was Insulet, an estimated $218M.

By sector, the portfolio is most concentrated in Technology at 27% of assets, up from 25% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • William Blair Investment Management's largest Q4 2021 buy was Netflix: 2,270,340 shares worth $137M.
  • William Blair Investment Management added most to Microsoft in Q4 2021, an estimated $206M increase.
  • William Blair Investment Management's biggest Q4 2021 reduction was Encompass Health, cutting an estimated $200M.
  • William Blair Investment Management fully exited Insulet in Q4 2021, selling an estimated $218M.
  • William Blair Investment Management's ten largest holdings make up 17% of its $37B portfolio in Q4 2021.
  • William Blair Investment Management opened 34 new positions and closed 38 in Q4 2021.
  • William Blair Investment Management's portfolio value rose 4.4% quarter-over-quarter to $37B.

Based on William Blair Investment Management's 13F filing for Q4 2021, filed 14 Feb 2022.