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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
USB icon
251
US Bancorp
USB
$100B
$11.3M 0.06%
190,066
-1,490
-0.8% -$86.1K
DUK icon
252
Duke Energy
DUK
$96.2B
$11.1M 0.06%
121,524
+5,085
+4% +$466K
USMV icon
253
iShares MSCI USA Min Vol Factor ETF
USMV
$24B
$11M 0.06%
167,062
+8,962
+6% +$576K
UN
254
DELISTED
Unilever NV New York Registry Shares
UN
$10.7M 0.06%
186,491
-25,960
-12% -$1.53M
PRLB icon
255
Protolabs
PRLB
$2.16B
$10.7M 0.06%
105,457
-22,512
-18% -$2.23M
JBHT icon
256
JB Hunt Transport Services
JBHT
$25.6B
$10.7M 0.06%
91,597
-7,890
-8% -$906K
EVH icon
257
Evolent Health
EVH
$346M
$10.5M 0.05%
1,161,728
+152,305
+15% +$1.24M
QNST icon
258
QuinStreet
QNST
$889M
$10.4M 0.05%
679,951
+13,210
+2% +$188K
TECH icon
259
Bio-Techne
TECH
$11.2B
$10.3M 0.05%
188,348
-2,708
-1% -$142K
VNQI icon
260
Vanguard Global ex-US Real Estate ETF
VNQI
$3.53B
$10.2M 0.05%
172,422
-2,576
-1% -$155K
ORCL icon
261
Oracle
ORCL
$416B
$10.2M 0.05%
191,916
-19,442
-9% -$1.07M
MCO icon
262
Moody's
MCO
$83.8B
$10.1M 0.05%
42,509
-106
-0.2% -$23.6K
ABB
263
DELISTED
ABB Ltd
ABB
$10.1M 0.05%
418,248
+106,298
+34% +$2.28M
IT icon
264
Gartner
IT
$11.8B
$10M 0.05%
65,048
-470
-0.7% -$71.8K
DAY
265
DELISTED
Dayforce
DAY
$9.77M 0.05%
143,862
+39,432
+38% +$2.18M
ROP icon
266
Roper Technologies
ROP
$39B
$9.74M 0.05%
27,488
-732
-3% -$253K
MDLZ icon
267
Mondelez International
MDLZ
$79.9B
$9.73M 0.05%
176,744
-20,447
-10% -$1.09M
DVAX
268
DELISTED
Dynavax Technologies
DVAX
$9.64M 0.05%
1,685,157
+75,084
+5% +$401K
APPF icon
269
AppFolio
APPF
$6.84B
$9.57M 0.05%
87,088
-639
-0.7% -$65.2K
ATR icon
270
AptarGroup
ATR
$8.69B
$9.55M 0.05%
82,564
+51,286
+164% +$5.83M
MO icon
271
Altria Group
MO
$114B
$9.51M 0.05%
190,452
-9,862
-5% -$465K
SYY icon
272
Sysco
SYY
$40.3B
$9.49M 0.05%
110,936
+18,163
+20% +$1.47M
TROW icon
273
T. Rowe Price
TROW
$24.5B
$9.41M 0.05%
77,276
-752
-1% -$88.8K
SHW icon
274
Sherwin-Williams
SHW
$89.7B
$9.35M 0.05%
48,090
-210
-0.4% -$40K
AXDX
275
DELISTED
Accelerate Diagnostics
AXDX
$9.22M 0.05%
54,550
-25,892
-32% -$4.27M
9 10
11
12 13

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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.