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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
BIP icon
551
Brookfield Infrastructure Partners
BIP
$17.9B
$2.43M 0.01%
81,816
+150
+0.2% +$4.49K
YUMC icon
552
Yum China
YUMC
$16.5B
$2.42M 0.01%
50,506
-9,200
-15% -$409K
MFC icon
553
Manulife Financial
MFC
$74.1B
$2.42M 0.01%
119,411
+1,795
+2% +$34.3K
SRCL
554
DELISTED
Stericycle Inc
SRCL
$2.42M 0.01%
37,942
-9,575
-20% -$566K
WES icon
555
Western Midstream Partners
WES
$19.4B
$2.41M 0.01%
122,355
-22,719
-16% -$471K
BSX icon
556
Boston Scientific
BSX
$71.4B
$2.37M 0.01%
52,374
-227
-0.4% -$9.5K
XEL icon
557
Xcel Energy
XEL
$48.1B
$2.34M 0.01%
36,837
+2,447
+7% +$153K
ADI icon
558
Analog Devices
ADI
$184B
$2.33M 0.01%
19,620
+4,215
+27% +$475K
SEDG icon
559
SolarEdge
SEDG
$1.99B
$2.33M 0.01%
24,450
+650
+3% +$55.6K
AMLP icon
560
Alerian MLP ETF
AMLP
$12.9B
$2.32M 0.01%
54,538
+11,814
+28% +$496K
MIC
561
DELISTED
Macquarie Infrastructure Holdings, LLC
MIC
$2.31M 0.01%
54,048
+4,975
+10% +$205K
AVY icon
562
Avery Dennison
AVY
$13.2B
$2.28M 0.01%
17,449
-1,393
-7% -$176K
VTIP icon
563
Vanguard Short-Term Inflation-Protected Securities Index Fund
VTIP
$19.1B
$2.28M 0.01%
46,307
+1,415
+3% +$69.7K
DLTR icon
564
Dollar Tree
DLTR
$24.9B
$2.28M 0.01%
24,240
-1,548
-6% -$162K
APPN icon
565
Appian
APPN
$2.23B
$2.27M 0.01%
59,541
+20,455
+52% +$882K
PKOH icon
566
Park-Ohio Holdings
PKOH
$670M
$2.27M 0.01%
67,400
-50
-0.1% -$1.57K
PARA
567
DELISTED
Paramount Global Class B
PARA
$2.26M 0.01%
53,753
+30,887
+135% +$1.2M
RCL icon
568
Royal Caribbean
RCL
$85.7B
$2.26M 0.01%
16,896
-140
-0.8% -$16.3K
DTD icon
569
WisdomTree US Total Dividend Fund
DTD
$1.68B
$2.24M 0.01%
42,508
-96
-0.2% -$4.88K
MIDD icon
570
Middleby
MIDD
$6.03B
$2.24M 0.01%
20,457
-215
-1% -$24.7K
ED icon
571
Consolidated Edison
ED
$40.2B
$2.24M 0.01%
24,750
-2,176
-8% -$195K
CTSH icon
572
Cognizant
CTSH
$25.6B
$2.23M 0.01%
35,984
-1,924
-5% -$119K
PLAY icon
573
Dave & Buster's
PLAY
$351M
$2.23M 0.01%
55,387
-53,356
-49% -$2.14M
XPO icon
574
XPO
XPO
$23B
$2.22M 0.01%
80,540
-3,678
-4% -$101K
AZPN
575
DELISTED
ASPEN TECHNOLOGY INC
AZPN
$2.22M 0.01%
18,335
+10,588
+137% +$1.28M
21 22
23
24 25

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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.