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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
TCF
576
DELISTED
TCF Financial Corporation Common Stock
TCF
$2.21M 0.01%
47,178
-64
-0.1% -$2.65K
TRV icon
577
Travelers Companies
TRV
$80.5B
$2.19M 0.01%
15,983
-9,937
-38% -$1.35M
HBAN icon
578
Huntington Bancshares
HBAN
$35.1B
$2.19M 0.01%
144,933
+6,687
+5% +$98K
PXD
579
DELISTED
Pioneer Natural Resource Co.
PXD
$2.17M 0.01%
14,300
-11,319
-44% -$1.51M
TFC icon
580
Truist Financial
TFC
$64.2B
$2.16M 0.01%
38,420
-9,441
-20% -$511K
GGT
581
Gabelli Multimedia Trust
GGT
$173M
$2.16M 0.01%
273,053
-1,658
-0.6% -$13.3K
CMI icon
582
Cummins
CMI
$88.7B
$2.14M 0.01%
11,957
+66
+0.6% +$11.6K
GRFS
583
Grifois
GRFS
$5.33B
$2.14M 0.01%
91,782
+75,858
+476% +$1.65M
CDW icon
584
CDW
CDW
$17.7B
$2.14M 0.01%
14,955
+703
+5% +$93K
IZRL icon
585
ARK Israel Innovative Technology ETF
IZRL
$141M
$2.13M 0.01%
96,490
– –
SPLV icon
586
Invesco S&P 500 Low Volatility ETF
SPLV
$7.22B
$2.13M 0.01%
36,558
-8,115
-18% -$466K
ACWI icon
587
iShares MSCI ACWI ETF
ACWI
$33.3B
$2.13M 0.01%
26,882
-864
-3% -$66.1K
CSX icon
588
CSX Corp
CSX
$93.9B
$2.12M 0.01%
87,702
+9,555
+12% +$226K
CTVA icon
589
Corteva
CTVA
$51.3B
$2.1M 0.01%
71,005
-11,625
-14% -$308K
IGSB icon
590
iShares 1-5 Year Investment Grade Corporate Bond ETF
IGSB
$23B
$2.09M 0.01%
39,018
+1,220
+3% +$65.4K
SHLX
591
DELISTED
Shell Midstream Partners, L.P.
SHLX
$2.09M 0.01%
103,234
+12,139
+13% +$246K
EA
592
DELISTED
Electronic Arts
EA
$2.08M 0.01%
19,362
+7,708
+66% +$765K
HGV icon
593
Hilton Grand Vacations
HGV
$3.61B
$2.06M 0.01%
60,012
-4,307
-7% -$148K
GNRC icon
594
Generac Holdings
GNRC
$12.5B
$2.06M 0.01%
20,470
+4,235
+26% +$394K
SCHL icon
595
Scholastic
SCHL
$753M
$2.06M 0.01%
53,550
-550
-1% -$20.7K
ITT icon
596
ITT
ITT
$19.2B
$2.06M 0.01%
27,820
+1,592
+6% +$106K
LEG icon
597
Leggett & Platt
LEG
$1.31B
$2.05M 0.01%
40,354
+18,000
+81% +$882K
RGEN icon
598
Repligen
RGEN
$9B
$2.05M 0.01%
22,169
-1,658
-7% -$139K
ECPG icon
599
Encore Capital Group
ECPG
$2.08B
$2.05M 0.01%
57,859
+13,909
+32% +$486K
CFG icon
600
Citizens Financial Group
CFG
$30.5B
$2.03M 0.01%
50,036
+6
+0% +$225
22 23
24
25 26

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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.