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William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
-16.93%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+512.03%
AUM
$22.5B
AUM Growth
-$5.99B
Cap. Flow
-$554M
Cap. Flow %
-2.46%
Top 10 Hldgs %
23.5%
Holding
1,977
New
67
Increased
648
Reduced
822
Closed
114

Top Buys

Rank Stock Value
1
CSGP icon
CoStar Group
CSGP
+$27.5M
2
EW icon
Edwards Lifesciences
EW
+$22.7M
3
AIZ icon
Assurant
AIZ
+$22M
4
NOW icon
ServiceNow
NOW
+$21.5M
5
TEAM icon
Atlassian
TEAM
+$19.1M

Top Sells

Rank Stock Value
1
ABNB icon
Airbnb
ABNB
+$51.2M
2
SBUX icon
Starbucks
SBUX
+$49M
3
ECL icon
Ecolab
ECL
+$45.7M
4
SWCH
Switch, Inc. Class A Common Stock
SWCH
+$40.4M
5
ANET icon
Arista Networks
ANET
+$35.1M

Sector Composition

Rank Sector Weight
1 Technology 23.69%
2 Healthcare 19.4%
3 Financials 11.86%
4 Industrials 10.9%
5 Consumer Discretionary 8.96%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MSFT icon
1
Microsoft
MSFT
$2.94T
$954M 4.23%
3,713,842
-40,784
-1% -$11.1M
AAPL icon
2
Apple
AAPL
$5.01T
$908M 4.03%
6,641,657
-7,971
-0.1% -$1.21M
AMZN icon
3
Amazon
AMZN
$2.46T
$604M 2.68%
5,689,014
-38,026
-0.7% -$4.76M
V icon
4
Visa
V
$710B
$452M 2%
2,294,920
-68,494
-3% -$14.2M
GOOG icon
5
Alphabet (Google) Class C
GOOG
$4.09T
$451M 2%
4,121,080
+33,600
+0.8% +$3.97M
IDXX icon
6
Idexx Laboratories
IDXX
$45B
$432M 1.92%
1,230,687
-25,334
-2% -$10.3M
ZTS icon
7
Zoetis
ZTS
$33B
$393M 1.75%
2,288,541
-34,241
-1% -$5.92M
DHR icon
8
Danaher
DHR
$141B
$386M 1.71%
1,716,339
-32,294
-2% -$7.44M
MA icon
9
Mastercard
MA
$502B
$381M 1.69%
1,208,358
-10,107
-0.8% -$3.48M
DXCM icon
10
DexCom
DXCM
$29.2B
$336M 1.49%
4,501,968
-138,812
-3% -$12.7M
VEEV icon
11
Veeva Systems
VEEV
$33.9B
$310M 1.37%
1,563,028
-82,133
-5% -$15.1M
GOOGL icon
12
Alphabet (Google) Class A
GOOGL
$4.1T
$278M 1.23%
2,550,860
-16,580
-0.6% -$1.95M
SPY icon
13
State Street SPDR S&P 500 ETF Trust
SPY
$776B
$252M 1.12%
667,200
+45,123
+7% +$18.5M
ADBE icon
14
Adobe
ADBE
$105B
$235M 1.04%
642,713
-6,719
-1% -$2.73M
COST icon
15
Costco
COST
$433B
$220M 0.98%
458,730
+10,539
+2% +$5.35M
JPM icon
16
JPMorgan Chase
JPM
$926B
$206M 0.91%
1,828,911
+68,606
+4% +$8.5M
AON icon
17
Aon
AON
$80.4B
$204M 0.9%
755,432
+22,008
+3% +$6.33M
WDAY icon
18
Workday
WDAY
$41.6B
$201M 0.89%
1,438,861
-21,839
-1% -$3.97M
ABT icon
19
Abbott
ABT
$191B
$200M 0.89%
1,840,766
-27,032
-1% -$3.07M
CSGP icon
20
CoStar Group
CSGP
$12.1B
$194M 0.86%
3,208,784
+453,649
+16% +$27.5M
SBUX icon
21
Starbucks
SBUX
$119B
$191M 0.85%
2,505,667
-638,516
-20% -$49M
AMT icon
22
American Tower
AMT
$80.6B
$188M 0.83%
734,843
+712
+0.1% +$179K
POOL icon
23
Pool Corp
POOL
$7.04B
$185M 0.82%
527,195
+40,964
+8% +$16.2M
HD icon
24
Home Depot
HD
$341B
$184M 0.82%
670,700
+48,016
+8% +$14.2M
UNH icon
25
UnitedHealth
UNH
$387B
$184M 0.81%
357,552
-949
-0.3% -$477K
1
2 3 4 5

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William Blair & Company's Q2 2022 Portfolio in Review

As of Q2 2022, William Blair & Company held 1,977 positions worth $22.5B, down 21% from $28.5B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

William Blair & Company's Q2 2022 filing shows 67 new, 648 increased, 822 reduced and 114 closed positions. Its largest new stake was Warner Bros: 144,520 shares worth $1.94M. The largest sale was Airbnb, an estimated $51.2M.

By sector, the portfolio is most concentrated in Technology at 24% of assets, down from 25% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q2 2022 buy was Warner Bros: 144,520 shares worth $1.94M.
  • William Blair & Company added most to CoStar Group in Q2 2022, an estimated $27.5M increase.
  • William Blair & Company's biggest Q2 2022 reduction was Airbnb, cutting an estimated $51.2M.
  • William Blair & Company fully exited Datto Holding Corp. in Q2 2022, selling an estimated $11M.
  • William Blair & Company's ten largest holdings make up 23% of its $22.5B portfolio in Q2 2022.
  • William Blair & Company opened 67 new positions and closed 114 in Q2 2022.
  • William Blair & Company's portfolio value fell 21% quarter-over-quarter to $22.5B.

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