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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
+8.77%
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
$12.4B
AUM Growth
+$1.23B
Cap. Flow
+$420M
Cap. Flow %
3.39%
Top 10 Hldgs %
17.91%
Holding
1,607
New
193
Increased
600
Reduced
460
Closed
133

Top Buys

Rank Stock Value
1
WAB icon
Wabtec
WAB
+$31.4M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$28.5M
3
VIG icon
Vanguard Dividend Appreciation ETF
VIG
+$26M
4
VEEV icon
Veeva Systems
VEEV
+$25M
5
PGR icon
Progressive
PGR
+$20.8M

Top Sells

Rank Stock Value
1
IDXX icon
Idexx Laboratories
IDXX
+$32.3M
2
MJN
Mead Johnson Nutrition Company
MJN
+$27.1M
3
TSCO icon
Tractor Supply
TSCO
+$23M
4
WM icon
Waste Management
WM
+$19.1M
5
TDG icon
TransDigm Group
TDG
+$16.5M

Sector Composition

Rank Sector Weight
1 Healthcare 18.3%
2 Technology 16.24%
3 Financials 13.61%
4 Industrials 11.16%
5 Consumer Discretionary 9.51%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
UA icon
751
Under Armour Class C
UA
$2.83B
$846K 0.01%
45,811
-10,038
-18% -$209K
CDXS icon
752
Codexis
CDXS
$156M
$831K 0.01%
173,097
+145,315
+523% +$662K
FMBI
753
DELISTED
First Midwest Bancorp Inc/IL
FMBI
$829K 0.01%
34,776
– –
MIK
754
DELISTED
Michaels Stores, Inc
MIK
$827K 0.01%
+36,949
New +$777K
KBE icon
755
State Street SPDR S&P Bank ETF
KBE
$1.67B
$825K 0.01%
+18,290
New +$805K
CIEN icon
756
Ciena
CIEN
$55.3B
$824K 0.01%
31,436
+7,445
+31% +$183K
GRFS
757
Grifois
GRFS
$5.35B
$823K 0.01%
45,754
+3,140
+7% +$54.5K
SUSA icon
758
iShares ESG Optimized MSCI USA ETF
SUSA
$4.08B
$822K 0.01%
16,766
– –
AYR
759
DELISTED
Aircastle Ltd
AYR
$820K 0.01%
34,002
+854
+3% +$19.8K
ATRC icon
760
AtriCure
ATRC
$1.97B
$817K 0.01%
42,640
-56,395
-57% -$988K
BHP icon
761
BHP
BHP
$212B
$804K 0.01%
24,411
+2,815
+13% +$97.3K
TCF
762
DELISTED
TCF Financial Corporation Common Stock
TCF
$803K 0.01%
15,681
-12,016
-43% -$621K
AZN icon
763
AstraZeneca
AZN
$245B
$801K 0.01%
12,972
-2,701
-17% -$157K
HFBC
764
DELISTED
HopFed Bancorp Inc
HFBC
$799K 0.01%
53,947
– –
BBY icon
765
Best Buy
BBY
$18B
$794K 0.01%
17,989
-100
-0.6% -$4.47K
ROK icon
766
Rockwell Automation
ROK
$53.5B
$791K 0.01%
5,121
-3,017
-37% -$451K
THO icon
767
Thor Industries
THO
$4.03B
$789K 0.01%
7,705
-342
-4% -$35.5K
BG icon
768
Bunge Global
BG
$20.2B
$786K 0.01%
9,609
+400
+4% +$30K
SYF icon
769
Synchrony
SYF
$25.3B
$786K 0.01%
21,739
+15,029
+224% +$539K
APTS
770
DELISTED
Preferred Apartment Communities, Inc.
APTS
$780K 0.01%
57,100
-2,950
-5% -$40.5K
RDS.B
771
DELISTED
Royal Dutch Shell PLC ADS Class B
RDS.B
$776K 0.01%
13,891
-3,400
-20% -$193K
SBRA icon
772
Sabra Healthcare REIT
SBRA
$5.2B
$770K 0.01%
27,568
+250
+0.9% +$6.55K
FCFS icon
773
FirstCash
FCFS
$9.08B
$768K 0.01%
15,637
+871
+6% +$38.7K
LYB icon
774
LyondellBasell Industries
LYB
$19.6B
$767K 0.01%
8,407
+91
+1% +$8.3K
ED icon
775
Consolidated Edison
ED
$39.8B
$763K 0.01%
9,899
+2,667
+37% +$200K
29 30
31
32 33

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William Blair & Company's Q1 2017 Portfolio in Review

As of Q1 2017, William Blair & Company held 1,607 positions worth $12.4B, up 11% from $11.2B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair & Company deployed $420M of net new capital in Q1 2017, opening 193 new positions and adding to 600 existing holdings. Its largest new stake was Park-Ohio Holdings: 200,527 shares worth $8.95M.

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

On the sell side, the largest reduction was Idexx Laboratories, an estimated $32.3M trimmed.

  • William Blair & Company's largest Q1 2017 buy was Park-Ohio Holdings: 200,527 shares worth $8.95M.
  • William Blair & Company added most to Wabtec in Q1 2017, an estimated $31.4M increase.
  • William Blair & Company's biggest Q1 2017 reduction was Idexx Laboratories, cutting an estimated $32.3M.
  • William Blair & Company fully exited Hennessy Capital Acquisition Corp. Unit in Q1 2017, selling an estimated $5.55M.
  • William Blair & Company's ten largest holdings make up 18% of its $12.4B portfolio in Q1 2017.
  • William Blair & Company opened 193 new positions and closed 133 in Q1 2017.
  • William Blair & Company's portfolio value rose 11% quarter-over-quarter to $12.4B.

Based on William Blair & Company's 13F filing for Q1 2017, filed 10 May 2017.