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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
CNYA icon
1251
iShares MSCI China A ETF
CNYA
$208M
$227K ﹤0.01%
7,457
– –
VRP icon
1252
Invesco Variable Rate Preferred ETF
VRP
$3.01B
$227K ﹤0.01%
8,799
-489
-5% -$12.5K
GNMK
1253
DELISTED
GenMark Diagnostics, Inc
GNMK
$227K ﹤0.01%
47,284
-29,550
-38% -$163K
DORM icon
1254
Dorman Products
DORM
$4.18B
$225K ﹤0.01%
+2,978
New +$225K
SONO icon
1255
Sonos
SONO
$1.85B
$225K ﹤0.01%
14,400
-1,000
-6% -$13.9K
RCA
1256
DELISTED
Ready Capital Corporation 7.00% Convertible Senior Notes due 2023
RCA
$225K ﹤0.01%
+8,400
New +$227K
AB icon
1257
AllianceBernstein
AB
$3.47B
$224K ﹤0.01%
7,389
-300
-4% -$8.75K
CMA
1258
DELISTED
Comerica
CMA
$224K ﹤0.01%
+3,121
New +$214K
VCRA
1259
DELISTED
VOCERA COMMUNICATIONS, INC.
VCRA
$224K ﹤0.01%
10,802
-11,680
-52% -$256K
IDCC icon
1260
InterDigital
IDCC
$8.89B
$222K ﹤0.01%
4,080
– –
DVA icon
1261
DaVita
DVA
$11.7B
$220K ﹤0.01%
+2,932
New +$194K
IYY icon
1262
iShares Dow Jones US ETF
IYY
$3.06B
$220K ﹤0.01%
2,750
– –
FDD icon
1263
First Trust STOXX European Select Dividend Income Fund
FDD
$908M
$219K ﹤0.01%
15,602
– –
ITM icon
1264
VanEck Intermediate Muni ETF
ITM
$2.15B
$219K ﹤0.01%
4,352
+1,078
+33% +$54.2K
SCHM icon
1265
Schwab US Mid-Cap ETF
SCHM
$15.1B
$219K ﹤0.01%
10,899
+10,092
+1,251% +$195K
BKLN icon
1266
Invesco Senior Loan ETF
BKLN
$6.81B
$218K ﹤0.01%
9,533
+2,690
+39% +$60.7K
IEI icon
1267
iShares 3-7 Year Treasury Bond ETF
IEI
$17.8B
$218K ﹤0.01%
1,734
+278
+19% +$35.1K
MDB icon
1268
MongoDB
MDB
$32.1B
$218K ﹤0.01%
+1,655
New +$217K
JKHY icon
1269
Jack Henry & Associates
JKHY
$11.1B
$217K ﹤0.01%
1,489
-1,191
-44% -$174K
NXRT
1270
NexPoint Residential Trust
NXRT
$652M
$217K ﹤0.01%
4,816
-396
-8% -$18.7K
STRS icon
1271
Stratus Properties
STRS
$154M
$217K ﹤0.01%
7,000
– –
ZS icon
1272
Zscaler
ZS
$27.3B
$214K ﹤0.01%
+4,595
New +$213K
KFRC icon
1273
Kforce
KFRC
$1.06B
$213K ﹤0.01%
5,363
+3
+0.1% +$119
HELE icon
1274
Helen of Troy
HELE
$693M
$212K ﹤0.01%
+1,179
New +$189K
LTC
1275
LTC Properties
LTC
$2.15B
$211K ﹤0.01%
4,710
– –
49 50
51
52 53

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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.