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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
NUVA
351
DELISTED
NuVasive, Inc.
NUVA
$7.16M 0.02%
136,367
-390,825
-74% -$21.2M
NVO
352
Novo Nordisk
NVO
$203B
$6.96M 0.02%
124,324
+4,198
+3% +$227K
XLF icon
353
State Street Financial Select Sector SPDR ETF
XLF
$59.1B
$6.84M 0.02%
175,170
-27,100
-13% -$1.07M
BFLY icon
354
Butterfly Network
BFLY
$2.52B
$6.78M 0.02%
1,014,064
-8,988
-0.9% -$79K
BRDG
355
DELISTED
Bridge Investment Group
BRDG
$4.84M 0.01%
+193,685
New +$3.87M
SHOP icon
356
Shopify
SHOP
$194B
$4.55M 0.01%
33,050
-6,550
-17% -$957K
LFCR icon
357
Lifecore Biomedical
LFCR
$181M
$4.46M 0.01%
401,638
-23,969
-6% -$233K
VTWO icon
358
Vanguard Russell 2000 ETF
VTWO
$17.4B
$3.61M 0.01%
40,208
– –
NVR icon
359
NVR
NVR
$16.8B
$3.3M 0.01%
558
– –
INDA icon
360
iShares MSCI India ETF
INDA
$6.58B
$2.4M 0.01%
52,400
+7,800
+17% +$377K
TJX icon
361
TJX Companies
TJX
$169B
$2.4M 0.01%
31,596
+20,100
+175% +$1.39M
XLU icon
362
State Street Utilities Select Sector SPDR ETF
XLU
$22.8B
$1.85M 0.01%
51,680
-6,800
-12% -$229K
IWO icon
363
iShares Russell 2000 Growth ETF
IWO
$15B
$1.78M ﹤0.01%
6,090
-19,240
-76% -$5.8M
TFC icon
364
Truist Financial
TFC
$64.3B
$1.76M ﹤0.01%
29,984
+10,144
+51% +$620K
EFA icon
365
iShares MSCI EAFE ETF
EFA
$80.2B
$1.71M ﹤0.01%
21,664
+21,174
+4,321% +$1.68M
BABA icon
366
Alibaba
BABA
$300B
$1.43M ﹤0.01%
11,909
+567
+5% +$82.6K
DAR icon
367
Darling Ingredients
DAR
$10B
$1.4M ﹤0.01%
20,232
+6,307
+45% +$458K
JCI icon
368
Johnson Controls International
JCI
$92.6B
$1.23M ﹤0.01%
+15,175
New +$1.15M
DIS icon
369
Walt Disney
DIS
$178B
$1.22M ﹤0.01%
7,888
+452
+6% +$73K
SIVB
370
DELISTED
SVB Financial Group
SIVB
$771K ﹤0.01%
1,137
+120
+12% +$84.5K
HUM icon
371
Humana
HUM
$46.7B
$743K ﹤0.01%
1,602
-193
-11% -$85.4K
RRX icon
372
Regal Rexnord
RRX
$11.5B
$627K ﹤0.01%
3,687
-316,669
-99% -$50.1M
FFIV icon
373
F5
FFIV
$24B
$567K ﹤0.01%
2,317
– –
SLM icon
374
SLM Corp
SLM
$5.26B
$565K ﹤0.01%
28,719
+4,918
+21% +$90.1K
KNX icon
375
Knight Transportation
KNX
$11.6B
$547K ﹤0.01%
8,969
+464
+5% +$26.3K
13 14
15
16 17

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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.