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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
+7.4%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+512.03%
AUM
$14.7B
AUM Growth
+$1.4B
Cap. Flow
+$534M
Cap. Flow %
3.62%
Top 10 Hldgs %
19%
Holding
1,488
New
131
Increased
528
Reduced
556
Closed
127

Top Buys

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$138M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$63.1M
3
DVAX
Dynavax Technologies
DVAX
+$39.8M
4
VEU icon
Vanguard FTSE All-World ex-US ETF
VEU
+$27.3M
5
VEEV icon
Veeva Systems
VEEV
+$16.3M

Top Sells

Rank Stock Value
1
ZD icon
Ziff Davis
ZD
+$22.1M
2
GE icon
GE Aerospace
GE
+$19.1M
3
EFX icon
Equifax
EFX
+$17.7M
4
NUVA
NuVasive, Inc.
NUVA
+$17.1M
5
WBA
Walgreens Boots Alliance
WBA
+$13.6M

Sector Composition

Rank Sector Weight
1 Healthcare 17.74%
2 Technology 17.58%
3 Financials 14.76%
4 Industrials 10.83%
5 Consumer Discretionary 9.09%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
WM icon
501
Waste Management
WM
$90.6B
$2.69M 0.02%
31,112
-3,365
-10% -$274K
VLO icon
502
Valero Energy
VLO
$90.1B
$2.68M 0.02%
29,207
-4,100
-12% -$338K
IFF icon
503
International Flavors & Fragrances
IFF
$20.2B
$2.67M 0.02%
17,479
-2,475
-12% -$372K
ANET icon
504
Arista Networks
ANET
$227B
$2.66M 0.02%
180,736
-153,264
-46% -$2.05M
ORI icon
505
Old Republic International
ORI
$10.5B
$2.63M 0.02%
123,089
– –
HF
506
DELISTED
HFF Inc.
HF
$2.61M 0.02%
53,720
-1,543
-3% -$68K
EVBG
507
DELISTED
Everbridge, Inc. Common Stock
EVBG
$2.6M 0.02%
87,560
+6,300
+8% +$172K
EFII
508
DELISTED
Electronics for Imaging
EFII
$2.58M 0.02%
87,453
+9,330
+12% +$312K
FBIN icon
509
Fortune Brands Innovations
FBIN
$5.88B
$2.58M 0.02%
44,130
-2,833
-6% -$161K
DDD icon
510
3D Systems Corp
DDD
$431M
$2.58M 0.02%
298,650
-141,610
-32% -$1.46M
PTLA
511
DELISTED
Portola Pharmaceuticals, Inc.
PTLA
$2.55M 0.02%
52,463
+7,869
+18% +$398K
APC
512
DELISTED
Anadarko Petroleum
APC
$2.55M 0.02%
47,479
-5,546
-10% -$273K
ALL icon
513
Allstate
ALL
$68B
$2.53M 0.02%
24,191
-313
-1% -$30.8K
MRSH
514
Marsh
MRSH
$90.5B
$2.53M 0.02%
31,088
+347
+1% +$28.8K
PBCT
515
DELISTED
People's United Financial Inc
PBCT
$2.53M 0.02%
135,232
-6,932
-5% -$128K
GD icon
516
General Dynamics
GD
$104B
$2.52M 0.02%
12,402
-286
-2% -$58.4K
DNKN
517
DELISTED
Dunkin' Brands Group, Inc.
DNKN
$2.52M 0.02%
39,096
-7,329
-16% -$428K
AVGO icon
518
Broadcom
AVGO
$1.85T
$2.51M 0.02%
+97,600
New +$2.54M
MELI icon
519
Mercado Libre
MELI
$95.2B
$2.51M 0.02%
7,965
+450
+6% +$122K
SRPT icon
520
Sarepta Therapeutics
SRPT
$1.57B
$2.5M 0.02%
45,010
+775
+2% +$41.1K
KMI.PRA
521
DELISTED
Kinder Morgan, Inc.
KMI.PRA
$2.49M 0.02%
+65,630
New +$2.48M
GG
522
DELISTED
Goldcorp Inc
GG
$2.44M 0.02%
191,282
-500
-0.3% -$6.46K
AMLP icon
523
Alerian MLP ETF
AMLP
$13B
$2.44M 0.02%
45,253
-10,835
-19% -$580K
GWR
524
DELISTED
Genesee & Wyoming Inc.
GWR
$2.43M 0.02%
30,887
– –
F icon
525
Ford
F
$58.5B
$2.42M 0.02%
193,583
-1,613
-0.8% -$19.9K
19 20
21
22 23

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William Blair & Company's Q4 2017 Portfolio in Review

As of Q4 2017, William Blair & Company held 1,488 positions worth $14.7B, up 10% from $13.3B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair & Company deployed $534M of net new capital in Q4 2017, opening 131 new positions and adding to 528 existing holdings. Its largest new stake was Dynavax Technologies: 1,980,526 shares worth $37M.

By sector, the portfolio is most concentrated in Healthcare at 18% of assets, down from 19% a quarter earlier, followed by Technology and Financials.

On the sell side, the largest reduction was Ziff Davis, an estimated $22.1M trimmed.

  • William Blair & Company's largest Q4 2017 buy was Dynavax Technologies: 1,980,526 shares worth $37M.
  • William Blair & Company added most to Alphabet (Google) Class C in Q4 2017, an estimated $138M increase.
  • William Blair & Company's biggest Q4 2017 reduction was Ziff Davis, cutting an estimated $22.1M.
  • William Blair & Company fully exited Bob Evans Farms, Inc. in Q4 2017, selling an estimated $12.5M.
  • William Blair & Company's ten largest holdings make up 19% of its $14.7B portfolio in Q4 2017.
  • William Blair & Company opened 131 new positions and closed 127 in Q4 2017.
  • William Blair & Company's portfolio value rose 10% quarter-over-quarter to $14.7B.

Based on William Blair & Company's 13F filing for Q4 2017, filed 14 Feb 2018.