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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
HEI.A icon
676
HEICO Corp Class A
HEI.A
$36.9B
$1.49M 0.01%
16,624
+5,179
+45% +$493K
AEM icon
677
Agnico Eagle Mines
AEM
$85B
$1.49M 0.01%
24,120
+1,000
+4% +$58.1K
GDXJ icon
678
VanEck Junior Gold Miners ETF
GDXJ
$7.86B
$1.48M 0.01%
34,933
– –
DTE icon
679
DTE Energy
DTE
$29.1B
$1.47M 0.01%
13,334
+207
+2% +$22.3K
EEMV icon
680
iShares MSCI Emerging Markets Min Vol Factor ETF
EEMV
$3.52B
$1.47M 0.01%
25,096
-415
-2% -$24.1K
AVLR
681
DELISTED
Avalara, Inc.
AVLR
$1.47M 0.01%
20,056
+9,276
+86% +$674K
RY icon
682
Royal Bank of Canada
RY
$294B
$1.46M 0.01%
18,486
-1,417
-7% -$114K
NUVA
683
DELISTED
NuVasive, Inc.
NUVA
$1.46M 0.01%
18,846
+3,434
+22% +$242K
FUSB icon
684
First US Bancshares
FUSB
$92.3M
$1.46M 0.01%
125,500
– –
CGNX icon
685
Cognex
CGNX
$11.3B
$1.45M 0.01%
25,950
-1,661
-6% -$85.9K
SABR icon
686
Sabre
SABR
$886M
$1.45M 0.01%
64,812
+36,620
+130% +$812K
MSI icon
687
Motorola Solutions
MSI
$78.5B
$1.44M 0.01%
8,915
+3,633
+69% +$598K
DBEF icon
688
Xtrackers MSCI EAFE Hedged Equity ETF
DBEF
$9.33B
$1.42M 0.01%
42,147
-11,623
-22% -$386K
AWK icon
689
American Water Works
AWK
$26.8B
$1.42M 0.01%
11,519
+1,658
+17% +$201K
ELV icon
690
Elevance Health
ELV
$84.9B
$1.4M 0.01%
4,639
+230
+5% +$63.3K
BNY
691
Bank of New York Mellon
BNY
$108B
$1.4M 0.01%
27,751
+1,258
+5% +$60K
GH icon
692
Guardant Health
GH
$21.1B
$1.4M 0.01%
17,856
-2,744
-13% -$198K
HOG icon
693
Harley-Davidson
HOG
$2.67B
$1.4M 0.01%
37,507
+6,459
+21% +$240K
HRL icon
694
Hormel Foods
HRL
$13.8B
$1.38M 0.01%
30,659
-466
-1% -$20.1K
HUM icon
695
Humana
HUM
$44.1B
$1.38M 0.01%
3,762
-95
-2% -$30.1K
ORI icon
696
Old Republic International
ORI
$10.5B
$1.38M 0.01%
61,664
-54,411
-47% -$1.24M
EQR icon
697
Equity Residential
EQR
$25B
$1.38M 0.01%
17,018
-1,154
-6% -$98.2K
RWT
698
Redwood Trust
RWT
$573M
$1.38M 0.01%
83,116
-2,492
-3% -$41K
FSLY icon
699
Fastly Inc
FSLY
$3.61B
$1.37M 0.01%
68,380
+33,159
+94% +$699K
DDD icon
700
3D Systems Corp
DDD
$588M
$1.36M 0.01%
155,975
-5,625
-3% -$48.8K
26 27
28
29 30

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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.