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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
+9.1%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$19.5B
AUM Growth
+$2.1B
Cap. Flow
+$465M
Cap. Flow %
2.39%
Top 10 Hldgs %
22.3%
Holding
1,847
New
125
Increased
679
Reduced
598
Closed
120

Top Buys

Rank Stock Value
1
ANET icon
Arista Networks
ANET
+$24M
2
DIS icon
Walt Disney
DIS
+$22.5M
3
PYPL icon
PayPal
PYPL
+$21.1M
4
AXP icon
American Express
AXP
+$18.6M
5
NOW icon
ServiceNow
NOW
+$15.5M

Top Sells

Rank Stock Value
1
CELG
Celgene Corp
CELG
+$25M
2
ULTA icon
Ulta Beauty
ULTA
+$21.8M
3
EOG icon
EOG Resources
EOG
+$20.9M
4
ABMD
Abiomed Inc
ABMD
+$16.3M
5
GRUB
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
+$11.2M

Sector Composition

Rank Sector Weight
1 Technology 23.46%
2 Healthcare 17.35%
3 Financials 13.04%
4 Consumer Discretionary 9.94%
5 Industrials 9.53%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
VONV icon
976
Vanguard Russell 1000 Value ETF
VONV
$21.2B
$516K ﹤0.01%
8,606
– –
ARKK icon
977
ARK Innovation ETF
ARKK
$6.31B
$515K ﹤0.01%
10,295
+10,010
+3,512% +$465K
UAL icon
978
United Airlines
UAL
$42.1B
$513K ﹤0.01%
5,828
+717
+14% +$64.4K
HIG icon
979
Hartford Financial Services
HIG
$39.3B
$510K ﹤0.01%
8,388
+54
+0.6% +$3.24K
LMRK
980
DELISTED
Landmark Infrastructure Partners LP Common Units
LMRK
$508K ﹤0.01%
30,975
+25
+0.1% +$422
QDEF icon
981
FlexShares Quality Dividend Defensive Index Fund
QDEF
$562M
$507K ﹤0.01%
10,600
– –
HPE icon
982
Hewlett Packard
HPE
$70.5B
$506K ﹤0.01%
31,901
+143
+0.5% +$2.29K
ZION icon
983
Zions Bancorporation
ZION
$10.3B
$501K ﹤0.01%
9,644
+596
+7% +$28.9K
HHH icon
984
Howard Hughes
HHH
$4.03B
$499K ﹤0.01%
+4,132
New +$458K
KRTX
985
DELISTED
Karuna Therapeutics, Inc. Common Stock
KRTX
$499K ﹤0.01%
+6,625
New +$290K
QUAL icon
986
iShares MSCI USA Quality Factor ETF
QUAL
$47.9B
$498K ﹤0.01%
4,927
+4,030
+449% +$388K
BYND icon
987
Beyond Meat
BYND
$277M
$495K ﹤0.01%
6,542
+4,240
+184% +$393K
SSNC icon
988
SS&C Technologies
SSNC
$18.6B
$495K ﹤0.01%
8,062
+1,830
+29% +$103K
AIVL icon
989
WisdomTree US AI Enhanced Value Fund
AIVL
$436M
$494K ﹤0.01%
5,339
– –
INSG icon
990
Inseego
INSG
$90.5M
$493K ﹤0.01%
6,720
+170
+3% +$9.81K
KRNY icon
991
Kearny Financial
KRNY
$599M
$492K ﹤0.01%
+35,600
New +$492K
VNO icon
992
Vornado Realty Trust
VNO
$7.38B
$491K ﹤0.01%
7,390
-27,562
-79% -$1.78M
DISCK
993
DELISTED
Discovery, Inc. Series C Common Stock
DISCK
$488K ﹤0.01%
16,017
-13,021
-45% -$365K
GUNR icon
994
FlexShares Global Upstream Natural Resources Index Fund
GUNR
$7.32B
$487K ﹤0.01%
14,536
+8,836
+155% +$281K
LSXMK
995
DELISTED
Liberty Media Corporation Series C Liberty SiriusXM Common Stock
LSXMK
$485K ﹤0.01%
13,237
-3,167
-19% -$110K
SUI icon
996
Sun Communities
SUI
$14.7B
$484K ﹤0.01%
+3,222
New +$502K
IEF icon
997
iShares 7-10 Year Treasury Bond ETF
IEF
$47.3B
$480K ﹤0.01%
4,359
-2,824
-39% -$315K
VGIT icon
998
Vanguard Intermediate-Term Treasury ETF
VGIT
$41.7B
$480K ﹤0.01%
7,286
-1,722
-19% -$114K
MMSI icon
999
Merit Medical Systems
MMSI
$5.32B
$478K ﹤0.01%
15,299
-100
-0.6% -$2.86K
VAPO
1000
DELISTED
Vapotherm, Inc. Common Stock
VAPO
$476K ﹤0.01%
4,896
+1,034
+27% +$87.3K
38 39
40
41 42

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William Blair & Company's Q4 2019 Portfolio in Review

As of Q4 2019, William Blair & Company held 1,847 positions worth $19.5B, up 12% from $17.4B the previous quarter. Its ten largest holdings account for 22% of the portfolio.

William Blair & Company's Q4 2019 filing shows 125 new, 679 increased, 598 reduced and 120 closed positions. Its largest new stake was Dynatrace: 165,602 shares worth $4.19M. The largest sale was Celgene Corp, an estimated $25M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, up from 23% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q4 2019 buy was Dynatrace: 165,602 shares worth $4.19M.
  • William Blair & Company added most to Arista Networks in Q4 2019, an estimated $24M increase.
  • William Blair & Company's biggest Q4 2019 reduction was Ulta Beauty, cutting an estimated $21.8M.
  • William Blair & Company fully exited Celgene Corp in Q4 2019, selling an estimated $25M.
  • William Blair & Company's ten largest holdings make up 22% of its $19.5B portfolio in Q4 2019.
  • William Blair & Company opened 125 new positions and closed 120 in Q4 2019.
  • William Blair & Company's portfolio value rose 12% quarter-over-quarter to $19.5B.

Based on William Blair & Company's 13F filing for Q4 2019, filed 13 Feb 2020.