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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
BMRC icon
951
Bank of Marin Bancorp
BMRC
$459M
$541K ﹤0.01%
12,000
– –
CPB icon
952
Campbell Soup
CPB
$6.87B
$540K ﹤0.01%
10,923
+780
+8% +$37K
HII icon
953
Huntington Ingalls Industries
HII
$12.8B
$540K ﹤0.01%
2,151
-270
-11% -$64K
USD icon
954
ProShares Ultra Semiconductors
USD
$2.95B
$540K ﹤0.01%
140,000
-5,200
-4% -$17.2K
MPLX icon
955
MPLX
MPLX
$59.7B
$539K ﹤0.01%
21,189
-256
-1% -$6.52K
UPLD icon
956
Upland Software
UPLD
$15.4M
$539K ﹤0.01%
+1,509
New +$564K
WBT
957
DELISTED
Welbilt, Inc.
WBT
$539K ﹤0.01%
34,511
+1,536
+5% +$26.3K
IPGP icon
958
IPG Photonics
IPGP
$3.84B
$538K ﹤0.01%
3,710
+759
+26% +$106K
GL icon
959
Globe Life
GL
$14.3B
$537K ﹤0.01%
5,106
+2,206
+76% +$220K
ONB icon
960
Old National Bancorp
ONB
$10.2B
$537K ﹤0.01%
29,350
-550
-2% -$9.88K
SHOO icon
961
Steven Madden
SHOO
$3.55B
$535K ﹤0.01%
12,450
– –
J icon
962
Jacobs Solutions
J
$17B
$534K ﹤0.01%
7,014
+124
+2% +$9.38K
DEM icon
963
WisdomTree Emerging Markets High Dividend Fund
DEM
$3.98B
$533K ﹤0.01%
11,637
+48
+0.4% +$2.09K
DSGR icon
964
Distribution Solutions Group
DSGR
$1.61B
$533K ﹤0.01%
20,450
+750
+4% +$17.7K
VONG icon
965
Vanguard Russell 1000 Growth ETF
VONG
$45B
$532K ﹤0.01%
11,772
-804
-6% -$34.5K
WDC icon
966
Western Digital
WDC
$150B
$532K ﹤0.01%
11,089
+909
+9% +$37.9K
STOR
967
DELISTED
STORE Capital Corporation
STOR
$530K ﹤0.01%
14,245
+1,160
+9% +$44.9K
FUN icon
968
Cedar Fair
FUN
$1.67B
$526K ﹤0.01%
9,483
-9,945
-51% -$560K
THW
969
abrdn World Healthcare Fund
THW
$551M
$525K ﹤0.01%
37,888
– –
MGPI icon
970
MGP Ingredients
MGPI
$375M
$521K ﹤0.01%
10,751
-800
-7% -$37.5K
LNC icon
971
Lincoln National
LNC
$8.81B
$520K ﹤0.01%
8,811
+628
+8% +$37K
MDLA
972
DELISTED
Medallia, Inc.
MDLA
$519K ﹤0.01%
+16,680
New +$493K
LRGF icon
973
iShares US Equity Factor ETF
LRGF
$3.71B
$518K ﹤0.01%
15,024
– –
DOMO icon
974
Domo
DOMO
$184M
$517K ﹤0.01%
23,822
-10,050
-30% -$186K
RELX icon
975
RELX
RELX
$62B
$517K ﹤0.01%
+20,461
New +$489K
37 38
39
40 41

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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.