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William Blair & Company

William Blair & Company Portfolio holdings

AUM $38.4B
1-Year Est. Return 25.71%
This Fund
S&P 500
This Quarter Est. Return
+10.7%
1 Year Est. Return
+25.71%
3 Year Est. Return
+88.7%
5 Year Est. Return
+104.53%
10 Year Est. Return
+665.86%
AUM
$28.9B
AUM Growth
+$2.35B
Cap. Flow
-$98.3M
Cap. Flow %
-0.34%
Top 10 Hldgs %
23.73%
Holding
1,960
New
105
Increased
655
Reduced
787
Closed
72

Top Buys

Rank Stock Value
1
BALL icon
Ball Corp
BALL
+$39.8M
2
ABNB icon
Airbnb
ABNB
+$37.1M
3
GNRC icon
Generac Holdings
GNRC
+$34.4M
4
U icon
Unity
U
+$29.3M
5
TREX icon
Trex
TREX
+$29M

Sector Composition

Rank Sector Weight
1 Technology 25.7%
2 Healthcare 19.69%
3 Financials 11.7%
4 Consumer Discretionary 10.72%
5 Industrials 9.79%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
AFL icon
951
Aflac
AFL
$60.5B
$889K ﹤0.01%
16,576
+2,069
+14% +$113K
XIFR
952
XPLR Infrastructure LP
XIFR
$1.08B
$889K ﹤0.01%
11,637
+2,015
+21% +$144K
HALO icon
953
Halozyme
HALO
$11.6B
$883K ﹤0.01%
19,452
-1,751
-8% -$77.5K
LBRDK icon
954
Liberty Broadband Class C
LBRDK
$5.07B
$879K ﹤0.01%
5,063
-2,024
-29% -$326K
DRI icon
955
Darden Restaurants
DRI
$25.9B
$875K ﹤0.01%
5,991
-970
-14% -$137K
OLED icon
956
Universal Display
OLED
$4.23B
$872K ﹤0.01%
3,920
+435
+12% +$95.3K
ANSS
957
DELISTED
Ansys
ANSS
$869K ﹤0.01%
2,505
-735
-23% -$254K
FINX icon
958
Global X FinTech ETF
FINX
$173M
$867K ﹤0.01%
18,184
-400
-2% -$18.4K
NDAQ icon
959
Nasdaq
NDAQ
$53.5B
$867K ﹤0.01%
14,802
-342
-2% -$18.8K
IEI icon
960
iShares 3-7 Year Treasury Bond ETF
IEI
$17.7B
$863K ﹤0.01%
6,611
+70
+1% +$9.14K
RNTX
961
Rein Therapeutics
RNTX
$68.9M
$860K ﹤0.01%
34,402
+17,122
+99% +$427K
DG icon
962
Dollar General
DG
$26.4B
$856K ﹤0.01%
3,954
+126
+3% +$26.5K
SPG icon
963
Simon Property Group
SPG
$71.4B
$854K ﹤0.01%
6,547
+110
+2% +$13.7K
CVET
964
DELISTED
Covetrus, Inc. Common Stock
CVET
$854K ﹤0.01%
31,643
-1,552
-5% -$43.4K
VICR icon
965
Vicor
VICR
$10.4B
$852K ﹤0.01%
8,060
RDS.A
966
DELISTED
Royal Dutch Shell PLC ADS Class A
RDS.A
$850K ﹤0.01%
21,039
-7,372
-26% -$293K
DELL icon
967
Dell
DELL
$320B
$847K ﹤0.01%
16,771
+1,303
+8% +$65.3K
HELE icon
968
Helen of Troy
HELE
$696M
$840K ﹤0.01%
3,684
-403
-10% -$88.6K
PZA icon
969
Invesco National AMT-Free Municipal Bond ETF
PZA
$4.27B
$836K ﹤0.01%
30,671
FOXF icon
970
Fox Factory Holding Corp
FOXF
$886M
$834K ﹤0.01%
+5,357
New +$797K
CIGI icon
971
Colliers International
CIGI
$5.15B
$830K ﹤0.01%
7,416
IEV icon
972
iShares Europe ETF
IEV
$1.7B
$828K ﹤0.01%
15,530
-1,468
-9% -$78.7K
GWX icon
973
State Street SPDR S&P International Small Cap ETF
GWX
$928M
$824K ﹤0.01%
21,307
+335
+2% +$13K
PSA icon
974
Public Storage
PSA
$60.4B
$820K ﹤0.01%
2,725
+886
+48% +$249K
VOX icon
975
Vanguard Communication Services ETF
VOX
$5.88B
$815K ﹤0.01%
5,669
+136
+2% +$18.7K

Similar funds

William Blair & Company's Q2 2021 Portfolio in Review

As of Q2 2021, William Blair & Company held 1,960 positions worth $28.9B, up 8.9% from $26.5B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q2 2021 filing shows 105 new, 655 increased, 787 reduced and 72 closed positions. Its largest new stake was Luminar Technologies: 36,860 shares worth $12.1M. The largest sale was Fiserv Inc, an estimated $87.4M.

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

  • William Blair & Company's largest Q2 2021 buy was Luminar Technologies: 36,860 shares worth $12.1M.
  • William Blair & Company added most to Ball Corp in Q2 2021, an estimated $39.8M increase.
  • William Blair & Company's biggest Q2 2021 reduction was Fiserv Inc, cutting an estimated $87.4M.
  • William Blair & Company fully exited RealPage, Inc. in Q2 2021, selling an estimated $12.1M.
  • William Blair & Company's ten largest holdings make up 24% of its $28.9B portfolio in Q2 2021.
  • William Blair & Company opened 105 new positions and closed 72 in Q2 2021.
  • William Blair & Company's portfolio value rose 8.9% quarter-over-quarter to $28.9B.

Based on William Blair & Company's 13F filing for Q2 2021, filed 12 Aug 2021.