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William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $30.3B
1-Year Est. Return 33.75%
This Fund
S&P 500
This Quarter Est. Return
-18.41%
1 Year Est. Return
+33.75%
3 Year Est. Return
+108.55%
5 Year Est. Return
+126.9%
10 Year Est. Return
+771.69%
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
MSFT icon
1
Microsoft
MSFT
$3.62T
$824M 3.05%
3,209,196
+525,013
+20% +$142M
TSM icon
2
TSMC
TSM
$2.15T
$769M 2.85%
9,404,219
-1,376,903
-13% -$127M
GOOGL icon
3
Alphabet (Google) Class A
GOOGL
$4.43T
$512M 1.9%
4,697,440
+656,800
+16% +$77.3M
AMZN icon
4
Amazon
AMZN
$2.94T
$478M 1.77%
4,502,775
+680,515
+18% +$85.2M
MA icon
5
Mastercard
MA
$500B
$387M 1.43%
1,226,365
+231,324
+23% +$79.7M
LIN icon
6
Linde
LIN
$226B
$375M 1.39%
1,303,513
+465,918
+56% +$146M
CNI icon
7
Canadian National Railway
CNI
$77.1B
$372M 1.38%
3,308,946
-485,882
-13% -$56.8M
BWXT icon
8
BWX Technologies
BWXT
$15.4B
$352M 1.31%
6,397,510
-139,790
-2% -$7.27M
UNH icon
9
UnitedHealth
UNH
$375B
$343M 1.27%
667,157
+159,265
+31% +$80M
ICLR icon
10
Icon
ICLR
$12.6B
$329M 1.22%
1,520,498
+408,736
+37% +$91.7M
MRCY icon
11
Mercury Systems
MRCY
$6.45B
$288M 1.07%
4,473,369
-133,629
-3% -$7.97M
BLDR icon
12
Builders FirstSource
BLDR
$8.16B
$285M 1.06%
5,301,107
-1,467,428
-22% -$90M
CCK icon
13
Crown Holdings
CCK
$13.3B
$282M 1.05%
3,063,365
-58,868
-2% -$6.29M
BCO icon
14
Brink's
BCO
$4.77B
$270M 1%
4,445,933
-123,581
-3% -$7.44M
EEFT icon
15
Euronet Worldwide
EEFT
$2.83B
$262M 0.97%
2,607,790
-66,880
-3% -$7.92M
CCJ icon
16
Cameco
CCJ
$41.1B
$258M 0.96%
12,286,764
-356,178
-3% -$8.99M
ACHC icon
17
Acadia Healthcare
ACHC
$3B
$255M 0.94%
3,769,631
-289,533
-7% -$20.2M
SEDG icon
18
SolarEdge
SEDG
$2.06B
$254M 0.94%
928,391
-21,498
-2% -$5.88M
TD icon
19
Toronto Dominion Bank
TD
$200B
$247M 0.91%
3,759,448
+595,711
+19% +$43.3M
ABMD
20
DELISTED
Abiomed Inc
ABMD
$242M 0.9%
978,158
+64,350
+7% +$17.4M
AZTA icon
21
Azenta
AZTA
$1.47B
$232M 0.86%
3,217,863
-78,102
-2% -$5.84M
LULU icon
22
lululemon athletica
LULU
$14B
$227M 0.84%
833,068
+66,283
+9% +$21.2M
WH icon
23
Wyndham Hotels & Resorts
WH
$5.65B
$226M 0.84%
3,446,033
-361,368
-9% -$28.5M
GLOB icon
24
Globant
GLOB
$1.66B
$224M 0.83%
1,289,021
+15,178
+1% +$3.09M
DT icon
25
Dynatrace
DT
$14.8B
$223M 0.83%
5,662,129
-1,327,865
-19% -$52.9M
1
2 3 4 5

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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.