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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
IBN icon
576
ICICI Bank
IBN
$108B
$1.97M 0.01%
202,281
+6,625
+3% +$61K
RSG icon
577
Republic Services
RSG
$64.8B
$1.96M 0.01%
28,913
-274
-0.9% -$17.7K
JLL icon
578
Jones Lang LaSalle
JLL
$16.3B
$1.95M 0.01%
13,089
-676
-5% -$95.5K
LII icon
579
Lennox International
LII
$14.4B
$1.94M 0.01%
9,312
-114
-1% -$22.2K
MBB icon
580
iShares MBS ETF
MBB
$38.9B
$1.93M 0.01%
18,116
-993
-5% -$106K
OA
581
DELISTED
Orbital ATK, Inc.
OA
$1.92M 0.01%
+14,595
New +$1.94M
AAC
582
DELISTED
AAC Holdings
AAC
$1.91M 0.01%
+212,444
New +$1.92M
TIVO
583
DELISTED
Tivo Inc
TIVO
$1.88M 0.01%
+120,660
New +$2.09M
ITT icon
584
ITT
ITT
$17.5B
$1.86M 0.01%
+34,895
New +$1.75M
EWU icon
585
iShares MSCI United Kingdom ETF
EWU
$4.14B
$1.86M 0.01%
51,954
+14,854
+40% +$519K
ENTL
586
DELISTED
Entellus Medical, Inc. Common Stock
ENTL
$1.84M 0.01%
75,535
-56,825
-43% -$1.09M
RBA icon
587
RB Global
RBA
$20.4B
$1.84M 0.01%
61,498
-7,045
-10% -$197K
HACK icon
588
Amplify Cybersecurity ETF
HACK
$2.68B
$1.84M 0.01%
58,120
+3,765
+7% +$116K
MGPI icon
589
MGP Ingredients
MGPI
$379M
$1.83M 0.01%
23,811
+700
+3% +$49.3K
TWO
590
Two Harbors Investment
TWO
$1.27B
$1.82M 0.01%
27,956
-2,876
-9% -$201K
NWL icon
591
Newell Brands
NWL
$2.38B
$1.8M 0.01%
58,405
-221,508
-79% -$7.64M
WLKP icon
592
Westlake Chemical Partners
WLKP
$763M
$1.8M 0.01%
+72,050
New +$1.63M
RH icon
593
RH
RH
$3.13B
$1.79M 0.01%
+20,750
New +$1.88M
WSM icon
594
Williams-Sonoma
WSM
$26.9B
$1.78M 0.01%
68,824
+29,454
+75% +$751K
MMI icon
595
Marcus & Millichap
MMI
$1.16B
$1.77M 0.01%
54,390
+10,185
+23% +$303K
BR icon
596
Broadridge
BR
$17.8B
$1.77M 0.01%
19,554
-217
-1% -$18.9K
PPG icon
597
PPG Industries
PPG
$24.6B
$1.77M 0.01%
15,128
+2,264
+18% +$261K
DAR icon
598
Darling Ingredients
DAR
$9.64B
$1.76M 0.01%
97,100
-5,500
-5% -$95K
EPAM icon
599
EPAM Systems
EPAM
$5.51B
$1.74M 0.01%
16,212
-14,815
-48% -$1.47M
WU icon
600
Western Union
WU
$1.98B
$1.74M 0.01%
91,453
-3,521
-4% -$69.1K
22 23
24
25 26

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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.