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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
+4.57%
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
$13.3B
AUM Growth
+$17.7M
Cap. Flow
-$449M
Cap. Flow %
-3.37%
Top 10 Hldgs %
18.64%
Holding
1,772
New
130
Increased
581
Reduced
525
Closed
417

Top Buys

Rank Stock Value
1
WSO icon
Watsco Inc
WSO
+$36.3M
2
BL icon
BlackLine
BL
+$21.8M
3
EVH icon
Evolent Health
EVH
+$19.6M
4
PGR icon
Progressive
PGR
+$17.2M
5
JPM icon
JPMorgan Chase
JPM
+$16.9M

Sector Composition

Rank Sector Weight
1 Healthcare 18.86%
2 Technology 17.6%
3 Financials 14.62%
4 Industrials 10.54%
5 Consumer Discretionary 8.84%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
ABB
726
DELISTED
ABB Ltd
ABB
$992K 0.01%
40,074
+2,216
+6% +$53K
VIAV icon
727
Viavi Solutions
VIAV
$9.12B
$989K 0.01%
104,495
-58,865
-36% -$613K
LEN icon
728
Lennar Class A
LEN
$19.8B
$987K 0.01%
19,638
+14
+0.1% +$698
IVE icon
729
iShares S&P 500 Value ETF
IVE
$49B
$985K 0.01%
9,125
+3,115
+52% +$330K
WSM icon
730
Williams-Sonoma
WSM
$26.9B
$981K 0.01%
39,370
-18,252
-32% -$424K
LNT icon
731
Alliant Energy
LNT
$18.3B
$980K 0.01%
23,581
-705
-3% -$29.3K
BURL icon
732
Burlington
BURL
$23.2B
$975K 0.01%
+10,209
New +$896K
CSX icon
733
CSX Corp
CSX
$93.4B
$973K 0.01%
53,772
-228,924
-81% -$3.93M
WTRG icon
734
Essential Utilities
WTRG
$11.3B
$969K 0.01%
29,184
+4,188
+17% +$140K
ABCB icon
735
Ameris Bancorp
ABCB
$5.85B
$965K 0.01%
20,112
-1,112
-5% -$50.5K
YELP icon
736
Yelp
YELP
$1.45B
$965K 0.01%
22,290
+13,945
+167% +$538K
RDS.B
737
DELISTED
Royal Dutch Shell PLC ADS Class B
RDS.B
$964K 0.01%
15,416
+1,154
+8% +$66.2K
RBC icon
738
RBC Bearings
RBC
$17.4B
$963K 0.01%
7,693
-600
-7% -$65.2K
DVN icon
739
Devon Energy
DVN
$52.1B
$959K 0.01%
26,118
-821
-3% -$26.6K
ATRC icon
740
AtriCure
ATRC
$1.92B
$954K 0.01%
42,640
VDC icon
741
Vanguard Consumer Staples ETF
VDC
$7.97B
$954K 0.01%
6,887
+284
+4% +$40K
THO icon
742
Thor Industries
THO
$3.9B
$948K 0.01%
7,531
-174
-2% -$18.8K
TCP
743
DELISTED
TC Pipelines LP
TCP
$944K 0.01%
18,034
-3,810
-17% -$205K
PCAR icon
744
PACCAR
PCAR
$69.8B
$943K 0.01%
19,545
+628
+3% +$28.3K
STAY
745
DELISTED
Extended Stay America, Inc. Paired Share Unit
STAY
$943K 0.01%
47,146
-3,426
-7% -$66.5K
OPLN
746
Openlane
OPLN
$4.21B
$942K 0.01%
52,148
+12,270
+31% +$202K
RHP icon
747
Ryman Hospitality Properties
RHP
$8.43B
$942K 0.01%
15,081
-1,124
-7% -$68.7K
MGA icon
748
Magna International
MGA
$18.7B
$938K 0.01%
17,563
-2,938
-14% -$142K
OHI icon
749
Omega Healthcare
OHI
$15.1B
$932K 0.01%
29,198
+8
+0% +$256
BTI icon
750
British American Tobacco
BTI
$131B
$926K 0.01%
14,820
+10,262
+225% +$662K

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William Blair & Company's Q3 2017 Portfolio in Review

As of Q3 2017, William Blair & Company held 1,772 positions worth $13.3B, up 0.13% from $13.3B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair & Company withdrew a net $449M in Q3 2017, closing 417 positions and reducing 525 holdings. Its most notable exit was Dave & Buster's, an estimated $20.3M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 19% of assets, up from 19% a quarter earlier, followed by Technology and Financials.

Against the trend, William Blair & Company opened a new position in Quantenna Communications, Inc. Common Stock worth $9.07M.

  • William Blair & Company's largest Q3 2017 buy was Quantenna Communications, Inc. Common Stock: 539,590 shares worth $9.07M.
  • William Blair & Company added most to Watsco Inc in Q3 2017, an estimated $36.3M increase.
  • William Blair & Company's biggest Q3 2017 reduction was Alphabet (Google) Class C, cutting an estimated $115M.
  • William Blair & Company fully exited Dave & Buster's in Q3 2017, selling an estimated $20.3M.
  • William Blair & Company's ten largest holdings make up 19% of its $13.3B portfolio in Q3 2017.
  • William Blair & Company opened 130 new positions and closed 417 in Q3 2017.
  • William Blair & Company's portfolio value rose 0.13% quarter-over-quarter to $13.3B.

Based on William Blair & Company's 13F filing for Q3 2017, filed 13 Nov 2017.