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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
VTWO icon
526
Vanguard Russell 2000 ETF
VTWO
$17.6B
$2.12M 0.02%
38,420
+10,294
+37% +$564K
PPG icon
527
PPG Industries
PPG
$25.3B
$2.12M 0.02%
20,250
-17,027
-46% -$1.72M
CIVB icon
528
Civista Bancshares
CIVB
$607M
$2.1M 0.02%
95,523
-25,000
-21% -$541K
VLO icon
529
Valero Energy
VLO
$88.5B
$2.08M 0.02%
30,962
+180
+0.6% +$12K
WDFC icon
530
WD-40
WDFC
$3.05B
$2.08M 0.02%
19,085
-14,353
-43% -$1.56M
MPC icon
531
Marathon Petroleum
MPC
$89.6B
$2.07M 0.02%
41,201
+29,596
+255% +$1.47M
PDP icon
532
Invesco Dorsey Wright Momentum ETF
PDP
$1.47B
$2.06M 0.02%
45,645
-100
-0.2% -$4.41K
HDS
533
DELISTED
HD Supply Holdings, Inc.
HDS
$2.06M 0.02%
47,884
+29,058
+154% +$1.23M
EEMV icon
534
iShares MSCI Emerging Markets Min Vol Factor ETF
EEMV
$3.47B
$2.06M 0.02%
39,768
-596
-1% -$30.8K
CEB
535
DELISTED
CEB Inc.
CEB
$2.03M 0.02%
25,931
-31,687
-55% -$2.44M
SHOO icon
536
Steven Madden
SHOO
$3.48B
$2.02M 0.02%
78,782
+306
+0.4% +$7.44K
NLSN
537
DELISTED
Nielsen Holdings plc
NLSN
$2M 0.02%
46,800
-23,292
-33% -$997K
SRE icon
538
Sempra
SRE
$57.3B
$2M 0.02%
36,294
-1,996
-5% -$106K
HSIC icon
539
Henry Schein
HSIC
$9.85B
$1.99M 0.02%
29,654
-2,389
-7% -$155K
PGF icon
540
Invesco Financial Preferred ETF
PGF
$676M
$1.99M 0.02%
106,596
– –
TIVO
541
DELISTED
Tivo Inc
TIVO
$1.97M 0.02%
106,321
-2,996
-3% -$57.3K
IEFA icon
542
iShares Core MSCI EAFE ETF
IEFA
$191B
$1.95M 0.02%
34,675
-2,784
-7% -$157K
MELI icon
543
Mercado Libre
MELI
$96.3B
$1.95M 0.02%
9,225
+1,672
+22% +$327K
CTSH icon
544
Cognizant
CTSH
$24.9B
$1.94M 0.02%
32,588
-4,922
-13% -$283K
TYL icon
545
Tyler Technologies
TYL
$12.5B
$1.93M 0.02%
12,661
-227
-2% -$34.5K
DMRC icon
546
Digimarc Corp
DMRC
$161M
$1.93M 0.02%
+76,400
New +$2M
F icon
547
Ford
F
$57.5B
$1.92M 0.02%
154,069
+3,157
+2% +$39.2K
AET
548
DELISTED
Aetna Inc
AET
$1.92M 0.02%
15,038
+1,600
+12% +$201K
ATR icon
549
AptarGroup
ATR
$8.73B
$1.92M 0.02%
25,134
-1,845
-7% -$138K
EWU icon
550
iShares MSCI United Kingdom ETF
EWU
$4.13B
$1.9M 0.02%
58,309
+19,950
+52% +$634K
20 21
22
23 24

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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.