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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
HST icon
426
Host Hotels & Resorts
HST
$15.6B
$186K ﹤0.01%
+10,668
New +$180K
EMB icon
427
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$14.9B
$64K ﹤0.01%
590
– –
ALLE icon
428
Allegion
ALLE
$14.1B
– –
-204,641
Closed -$27M
APO icon
429
Apollo Global Management
APO
$81.9B
– –
-1,305,225
Closed -$80.4M
BAH icon
430
Booz Allen Hamilton
BAH
$9.43B
– –
-19,693
Closed -$1.56M
BRX icon
431
Brixmor Property Group
BRX
$9.12B
– –
-15,492
Closed -$343K
DCI icon
432
Donaldson
DCI
$11.2B
– –
-36,849
Closed -$2.12M
DVN icon
433
Devon Energy
DVN
$49.3B
– –
-15,601
Closed -$554K
DY icon
434
Dycom Industries
DY
$12.3B
– –
-444,052
Closed -$31.6M
ECH icon
435
iShares MSCI Chile ETF
ECH
$1.03B
– –
-1,600
Closed -$42K
FCFS icon
436
FirstCash
FCFS
$9.28B
– –
-1,947,346
Closed -$170M
GDDY icon
437
GoDaddy
GDDY
$11.6B
– –
-2,389,593
Closed -$167M
GPI icon
438
Group 1 Automotive
GPI
$3.17B
– –
-243,940
Closed -$45.8M
HIG icon
439
Hartford Financial Services
HIG
$37.7B
– –
-5,527
Closed -$388K
INNV icon
440
InnovAge Holding
INNV
$1.42B
– –
-1,140,083
Closed -$7.54M
IWF icon
441
iShares Russell 1000 Growth ETF
IWF
$128B
– –
-58,000
Closed -$3.97M
KMX icon
442
CarMax
KMX
$8.33B
– –
-19,118
Closed -$2.45M
LFUS icon
443
Littelfuse
LFUS
$11.7B
– –
-48,279
Closed -$13.2M
LMT icon
444
Lockheed Martin
LMT
$140B
– –
-135,163
Closed -$46.6M
LPSN icon
445
LivePerson
LPSN
$34.1M
– –
-32,150
Closed -$28.4M
LUV icon
446
Southwest Airlines
LUV
$22B
– –
-94,374
Closed -$4.85M
MATX icon
447
Matsons
MATX
$6.41B
– –
-626,905
Closed -$50.6M
MCHP icon
448
Microchip Technology
MCHP
$43.1B
– –
-30,334
Closed -$2.33M
MMYT icon
449
MakeMyTrip
MMYT
$5.67B
– –
-234,784
Closed -$6.38M
NTES icon
450
NetEase
NTES
$79.5B
– –
-14,822
Closed -$1.25M
15 16 17
18
19

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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.