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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
TTWO icon
851
Take-Two Interactive
TTWO
$45.8B
$588K ﹤0.01%
9,923
+567
+6% +$31.7K
MPWR icon
852
Monolithic Power Systems
MPWR
$66B
$586K ﹤0.01%
6,618
-2,384
-26% -$211K
PRF icon
853
Invesco FTSE RAFI US 1000 ETF
PRF
$9.89B
$586K ﹤0.01%
28,300
+2,325
+9% +$47.4K
SILC icon
854
Silicom
SILC
$237M
$579K ﹤0.01%
15,225
– –
SAB
855
DELISTED
GRUPO CASA SABA SA DE CV ADS
SAB
$579K ﹤0.01%
+22,359
New +$579K
HPQ icon
856
HP
HPQ
$24.8B
$578K ﹤0.01%
33,256
-698
-2% -$11.3K
ZGNX
857
DELISTED
Zogenix, Inc.
ZGNX
$578K ﹤0.01%
55,887
+4,950
+10% +$50.2K
ENLC
858
DELISTED
ENLINK MIDSTREAM, LLC
ENLC
$575K ﹤0.01%
29,930
+2,060
+7% +$39.2K
FFNM
859
DELISTED
FIRST FEDERAL OF NORTHERN MICHIGAN BANCORP, INC.
FFNM
$574K ﹤0.01%
71,292
– –
SNY icon
860
Sanofi
SNY
$103B
$570K ﹤0.01%
13,189
+5,010
+61% +$213K
STWD icon
861
Starwood Property Trust
STWD
$5.92B
$568K ﹤0.01%
24,891
-6,000
-19% -$135K
BBBY
862
DELISTED
Bed Bath & Beyond Inc
BBBY
$566K ﹤0.01%
14,012
+213
+2% +$8.55K
TWI icon
863
Titan International
TWI
$466M
$564K ﹤0.01%
+42,600
New +$505K
FMS icon
864
Fresenius Medical Care
FMS
$13.6B
$563K ﹤0.01%
13,374
-2,235
-14% -$92.4K
ICFI icon
865
ICF International
ICFI
$1.52B
$563K ﹤0.01%
13,326
+811
+6% +$39.2K
SPG icon
866
Simon Property Group
SPG
$74.3B
$558K ﹤0.01%
3,111
-493
-14% -$88.1K
DRI icon
867
Darden Restaurants
DRI
$23.6B
$551K ﹤0.01%
7,099
+3,687
+108% +$276K
NGHC
868
DELISTED
National General Holdings Corp
NGHC
$544K ﹤0.01%
22,350
-482
-2% -$11.8K
XENT
869
DELISTED
Intersect ENT, Inc
XENT
$543K ﹤0.01%
39,900
+9,756
+32% +$137K
MNDT
870
DELISTED
Mandiant, Inc. Common Stock
MNDT
$541K ﹤0.01%
48,057
+2,425
+5% +$28.9K
HCAP
871
DELISTED
Harvest Capital Credit Corporation
HCAP
$541K ﹤0.01%
38,200
-8,566
-18% -$121K
HDB icon
872
HDFC Bank
HDB
$124B
$540K ﹤0.01%
28,744
-5,464
-16% -$95.1K
GBDC icon
873
Golub Capital BDC
GBDC
$3.44B
$539K ﹤0.01%
28,759
-1,745
-6% -$32.4K
GG.WS.A
874
CALL
DELISTED
GOLDCORP INC SERIES A WARRANTS EXP 5/30/2007
GG.WS.A
$538K ﹤0.01%
+36,900
New +$538K
VTIP icon
875
Vanguard Short-Term Inflation-Protected Securities Index Fund
VTIP
$19.1B
$535K ﹤0.01%
10,835
+4,300
+66% +$212K
33 34
35
36 37

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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.