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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
-18.41%
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
$27B
AUM Growth
-$6.49B
Cap. Flow
+$233M
Cap. Flow %
0.86%
Top 10 Hldgs %
17.57%
Holding
465
New
24
Increased
112
Reduced
263
Closed
62

Top Buys

Rank Stock Value
1
LIN icon
Linde
LIN
+$146M
2
MSFT icon
Microsoft
MSFT
+$142M
3
WOOF icon
Petco
WOOF
+$138M
4
POOL icon
Pool Corp
POOL
+$121M
5
CP icon
Canadian Pacific Kansas City
CP
+$120M

Top Sells

Rank Stock Value
1
TECH icon
Bio-Techne
TECH
+$206M
2
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$155M
3
TSM icon
TSMC
TSM
+$127M
4
AMED
Amedisys
AMED
+$124M
5
NFLX icon
Netflix
NFLX
+$99M

Sector Composition

Rank Sector Weight
1 Technology 25.29%
2 Healthcare 16.5%
3 Industrials 16.08%
4 Consumer Discretionary 14.5%
5 Financials 10.23%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MTDR icon
126
Matador Resources
MTDR
$6.51B
$53.1M 0.2%
1,138,916
-217,367
-16% -$11.8M
BDC icon
127
Belden
BDC
$5.26B
$51.8M 0.19%
973,018
-27,990
-3% -$1.5M
LNTH icon
128
Lantheus
LNTH
$6.57B
$51.4M 0.19%
779,163
-438,544
-36% -$27.6M
HNGR
129
DELISTED
Hanger Inc.
HNGR
$51.2M 0.19%
3,577,408
-296,365
-8% -$4.81M
STEM icon
130
Stem
STEM
$52.8M
$49.6M 0.18%
346,396
-11,255
-3% -$1.87M
META icon
131
Meta Platforms (Facebook)
META
$1.53T
$48.7M 0.18%
301,946
-19,086
-6% -$3.68M
SMP icon
132
Standard Motor Products
SMP
$889M
$48.3M 0.18%
1,074,598
-27,437
-2% -$1.14M
EW icon
133
Edwards Lifesciences
EW
$54B
$47.8M 0.18%
503,122
-29,116
-5% -$3.01M
SKY icon
134
Champion Homes
SKY
$5.11B
$47.6M 0.18%
1,004,379
+108,805
+12% +$5.61M
NEE icon
135
NextEra Energy
NEE
$179B
$47.1M 0.17%
608,197
-34,638
-5% -$2.64M
ERII icon
136
Energy Recovery
ERII
$394M
$47M 0.17%
2,421,199
+22,036
+0.9% +$427K
APTV icon
137
Aptiv
APTV
$10.3B
$45.7M 0.17%
512,852
-28,450
-5% -$2.9M
SPB icon
138
Spectrum Brands
SPB
$2.02B
$44.5M 0.16%
542,313
-169,393
-24% -$14.5M
WDAY icon
139
Workday
WDAY
$44.8B
$44.1M 0.16%
315,737
-19,228
-6% -$3.49M
ICE icon
140
Intercontinental Exchange
ICE
$84.9B
$44M 0.16%
468,318
-28,328
-6% -$3.03M
NTCT icon
141
NETSCOUT
NTCT
$2.81B
$43.7M 0.16%
1,290,786
-42,039
-3% -$1.41M
BLK icon
142
Blackrock
BLK
$178B
$43.7M 0.16%
71,674
-4,314
-6% -$2.81M
CBZ icon
143
CBIZ
CBZ
$2.96B
$43.1M 0.16%
1,079,553
-143,041
-12% -$5.78M
INMD icon
144
InMode
INMD
$870M
$42.3M 0.16%
1,888,793
-36,734
-2% -$965K
HUBG icon
145
HUB Group
HUBG
$2.32B
$42.1M 0.16%
1,188,096
+29,256
+3% +$1.02M
PRGS icon
146
Progress Software
PRGS
$1.77B
$42M 0.16%
927,527
-27,004
-3% -$1.29M
ISRG icon
147
Intuitive Surgical
ISRG
$142B
$41.7M 0.15%
207,983
+15,811
+8% +$3.71M
GOOG icon
148
Alphabet (Google) Class C
GOOG
$4.19T
$41.2M 0.15%
376,480
-167,220
-31% -$19.8M
PACW
149
DELISTED
PacWest Bancorp
PACW
$41M 0.15%
1,538,590
-90,263
-6% -$2.92M
FTI icon
150
TechnipFMC
FTI
$29.5B
$40.9M 0.15%
+6,074,455
New +$46.3M
4 5
6
7 8

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William Blair Investment Management's Q2 2022 Portfolio in Review

As of Q2 2022, William Blair Investment Management held 465 positions worth $27B, down 19% from $33.5B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair Investment Management's Q2 2022 filing shows 24 new, 112 increased, 263 reduced and 62 closed positions. Its largest new stake was Petco: 7,619,542 shares worth $112M. The largest sale was Bio-Techne, an estimated $206M.

By sector, the portfolio is most concentrated in Technology at 25% of assets, down from 26% a quarter earlier, followed by Healthcare and Industrials.

  • William Blair Investment Management's largest Q2 2022 buy was Petco: 7,619,542 shares worth $112M.
  • William Blair Investment Management added most to Linde in Q2 2022, an estimated $146M increase.
  • William Blair Investment Management's biggest Q2 2022 reduction was TSMC, cutting an estimated $127M.
  • William Blair Investment Management fully exited Bio-Techne in Q2 2022, selling an estimated $206M.
  • William Blair Investment Management's ten largest holdings make up 18% of its $27B portfolio in Q2 2022.
  • William Blair Investment Management opened 24 new positions and closed 62 in Q2 2022.
  • William Blair Investment Management's portfolio value fell 19% quarter-over-quarter to $27B.

Based on William Blair Investment Management's 13F filing for Q2 2022, filed 10 Aug 2022.