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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
COUP
301
DELISTED
Coupa Software Incorporated
COUP
$18.9M 0.05%
+119,268
New +$24.6M
INVX
302
Innovex International
INVX
$2.13B
$18.8M 0.05%
955,118
-81,316
-8% -$1.79M
PAX icon
303
Patria Investments
PAX
$1.79B
$18.4M 0.05%
1,132,708
-15,843
-1% -$272K
ETSY icon
304
Etsy
ETSY
$7.31B
$18.3M 0.05%
83,426
-38,194
-31% -$9.2M
GBCI icon
305
Glacier Bancorp
GBCI
$6.4B
$18.1M 0.05%
319,790
-26,114
-8% -$1.48M
ESTE
306
DELISTED
Earthstone Energy Inc. Class A Common Stock
ESTE
$17.7M 0.05%
1,618,074
-132,758
-8% -$1.42M
USPH icon
307
US Physical Therapy
USPH
$1.22B
$17.6M 0.05%
184,249
+2,626
+1% +$263K
VCEL icon
308
Vericel Corp
VCEL
$2.29B
$17.6M 0.05%
447,462
+214,986
+92% +$9.42M
KO icon
309
Coca-Cola
KO
$373B
$16.6M 0.04%
280,364
+42,292
+18% +$2.36M
QNST icon
310
QuinStreet
QNST
$1.19B
$16.6M 0.04%
910,232
+8,882
+1% +$147K
VOYA icon
311
Voya Financial
VOYA
$9.01B
$16.5M 0.04%
249,309
+9,231
+4% +$608K
SBAC icon
312
SBA Communications
SBAC
$19.4B
$16.5M 0.04%
42,321
-15,822
-27% -$5.56M
PANW icon
313
Palo Alto Networks
PANW
$315B
$16.2M 0.04%
174,516
-106,110
-38% -$9.18M
LOPE icon
314
Grand Canyon Education
LOPE
$3.7B
$16.1M 0.04%
187,432
-1,701,579
-90% -$140M
MNTV
315
DELISTED
Momentive Global Inc. Common Stock
MNTV
$16M 0.04%
+755,309
New +$16.6M
COLD icon
316
Americold
COLD
$4.17B
$15.7M 0.04%
480,013
+14,421
+3% +$446K
ROIC
317
DELISTED
Retail Opportunity Investments Corp.
ROIC
$15.6M 0.04%
793,706
-64,509
-8% -$1.19M
CLVT icon
318
Clarivate
CLVT
$1.19B
$15.5M 0.04%
659,185
-291,284
-31% -$6.75M
PGTI
319
DELISTED
PGT, Inc.
PGTI
$15.3M 0.04%
+680,591
New +$14.5M
XPRO icon
320
Expro Ltd
XPRO
$2.07B
$15.2M 0.04%
1,058,407
-91,910
-8% -$1.51M
AXGN icon
321
Axogen
AXGN
$2.67B
$14.9M 0.04%
1,593,287
+374,221
+31% +$4.49M
TDY icon
322
Teledyne Technologies
TDY
$31.8B
$14.8M 0.04%
33,923
-21,110
-38% -$9.18M
EPAM icon
323
EPAM Systems
EPAM
$5.17B
$14.5M 0.04%
21,653
-13,474
-38% -$8.67M
VINP icon
324
Vinci Compass Investments Ltd
VINP
$626M
$14M 0.04%
1,310,832
-17,784
-1% -$215K
HR
325
DELISTED
Healthcare Realty Trust Incorporated
HR
$13.7M 0.04%
431,698
+12,228
+3% +$392K
11 12
13
14 15

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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.