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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
IEF icon
601
iShares 7-10 Year Treasury Bond ETF
IEF
$47.1B
$1.5M 0.01%
14,174
-874
-6% -$91.8K
AFSI
602
DELISTED
AmTrust Financial Services, Inc.
AFSI
$1.49M 0.01%
64,904
+2,651
+4% +$64.6K
DHS icon
603
WisdomTree US High Dividend Fund
DHS
$1.57B
$1.49M 0.01%
21,535
– –
IJR icon
604
iShares Core S&P Small-Cap ETF
IJR
$111B
$1.49M 0.01%
21,434
+2,184
+11% +$151K
RAI
605
DELISTED
Reynolds American Inc
RAI
$1.48M 0.01%
23,605
+2,103
+10% +$126K
WSM icon
606
Williams-Sonoma
WSM
$28.2B
$1.48M 0.01%
56,852
-185,266
-77% -$4.51M
CBI
607
DELISTED
Chicago Bridge & Iron Nv
CBI
$1.46M 0.01%
43,635
-575
-1% -$18.6K
HGV icon
608
Hilton Grand Vacations
HGV
$3.52B
$1.45M 0.01%
+48,432
New +$1.38M
FUN icon
609
Cedar Fair
FUN
$1.8B
$1.44M 0.01%
21,201
+1,917
+10% +$126K
HACK icon
610
Amplify Cybersecurity ETF
HACK
$2.76B
$1.43M 0.01%
+48,400
New +$1.39M
KNSL icon
611
Kinsale Capital Group
KNSL
$8.21B
$1.42M 0.01%
48,450
+1,200
+3% +$37.2K
PGX icon
612
Invesco Preferred ETF
PGX
$3.8B
$1.42M 0.01%
95,795
-3,114
-3% -$45.6K
AIRM
613
DELISTED
Air Methods Corp
AIRM
$1.42M 0.01%
37,330
-22,546
-38% -$872K
GPC icon
614
Genuine Parts
GPC
$17.7B
$1.41M 0.01%
14,967
+1,603
+12% +$154K
IJJ icon
615
iShares S&P Mid-Cap 400 Value ETF
IJJ
$8.91B
$1.4M 0.01%
18,648
+2,746
+17% +$204K
HDV
616
iShares Core High Dividend ETF
HDV
$14.8B
$1.4M 0.01%
82,415
+5,675
+7% +$94.6K
POT
617
DELISTED
Potash Corp Of Saskatchewan
POT
$1.39M 0.01%
80,358
-890
-1% -$16.1K
BDSI
618
DELISTED
BioDelivery Sciences International, Inc.
BDSI
$1.39M 0.01%
693,181
+189,484
+38% +$365K
VIRT icon
619
Virtu Financial
VIRT
$5.12B
$1.37M 0.01%
80,531
+48,812
+154% +$845K
FRC
620
DELISTED
First Republic Bank
FRC
$1.37M 0.01%
14,587
+9,499
+187% +$894K
WWD icon
621
Woodward
WWD
$21.5B
$1.37M 0.01%
20,128
-28
-0.1% -$1.94K
DTE icon
622
DTE Energy
DTE
$29.5B
$1.36M 0.01%
15,824
+1,308
+9% +$111K
HEDJ icon
623
WisdomTree Europe Hedged Equity Fund
HEDJ
$1.86B
$1.36M 0.01%
45,412
-5,352
-11% -$159K
AX icon
624
Axos Financial
AX
$5.9B
$1.35M 0.01%
44,505
-670
-1% -$19.4K
MMS icon
625
Maximus
MMS
$3.27B
$1.35M 0.01%
21,731
+11,094
+104% +$652K
23 24
25
26 27

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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.