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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

Top Sells

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$115M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$66M
3
COST icon
Costco
COST
+$33M
4
XRAY icon
Dentsply Sirona
XRAY
+$30.5M
5
PRAA icon
PRA Group
PRAA
+$24.5M

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
SPSB icon
751
State Street SPDR Portfolio Short Term Corporate Bond ETF
SPSB
$10.7B
$926K 0.01%
30,183
+1,555
+5% +$47.7K
SCWX
752
DELISTED
SecureWorks Corp Class A Common Stock
SCWX
$920K 0.01%
74,526
+3,800
+5% +$41.6K
BKLN icon
753
Invesco Senior Loan ETF
BKLN
$6.77B
$919K 0.01%
39,672
+3,691
+10% +$85.4K
VRTX icon
754
Vertex Pharmaceuticals
VRTX
$121B
$913K 0.01%
6,003
-8
-0.1% -$1.2K
GRFS
755
Grifois
GRFS
$5.36B
$910K 0.01%
41,588
-15,602
-27% -$324K
LRCX icon
756
Lam Research
LRCX
$367B
$905K 0.01%
48,890
+9,810
+25% +$159K
PAYC icon
757
Paycom
PAYC
$7.64B
$900K 0.01%
12,010
+4,860
+68% +$348K
OXSQ icon
758
Oxford Square Capital
OXSQ
$163M
$896K 0.01%
130,760
– –
STT icon
759
State Street
STT
$50.6B
$880K 0.01%
9,215
+33
+0.4% +$3.07K
EQR icon
760
Equity Residential
EQR
$24.9B
$875K 0.01%
13,271
+2,390
+22% +$160K
XLB icon
761
State Street Materials Select Sector SPDR ETF
XLB
$8.27B
$875K 0.01%
30,826
+2,572
+9% +$70.8K
PKG icon
762
Packaging Corp of America
PKG
$21.9B
$871K 0.01%
7,594
-296
-4% -$33.1K
GWX icon
763
State Street SPDR S&P International Small Cap ETF
GWX
$856M
$865K 0.01%
24,698
+340
+1% +$11.6K
SUSA icon
764
iShares ESG Optimized MSCI USA ETF
SUSA
$4.01B
$863K 0.01%
16,518
-248
-1% -$12.8K
CIGI icon
765
Colliers International
CIGI
$5.04B
$858K 0.01%
17,271
-276
-2% -$14.4K
AX icon
766
Axos Financial
AX
$5.77B
$851K 0.01%
29,905
-7,550
-20% -$197K
GNRC icon
767
Generac Holdings
GNRC
$11.6B
$851K 0.01%
18,535
+600
+3% +$23.6K
TFX icon
768
Teleflex
TFX
$6.05B
$849K 0.01%
3,508
+8
+0.2% +$1.74K
DXYN
769
DELISTED
Dixie Group Inc
DXYN
$849K 0.01%
212,275
+20,307
+11% +$85.5K
USIG icon
770
iShares Broad USD Investment Grade Corporate Bond ETF
USIG
$17.3B
$846K 0.01%
15,070
+10,378
+221% +$581K
BPOP icon
771
Popular Inc
BPOP
$11.2B
$845K 0.01%
+23,500
New +$951K
SBRA icon
772
Sabra Healthcare REIT
SBRA
$5.34B
$840K 0.01%
38,301
+10,724
+39% +$242K
MNDT
773
DELISTED
Mandiant, Inc. Common Stock
MNDT
$835K 0.01%
49,774
-15,533
-24% -$239K
ENLK
774
DELISTED
EnLink Midstream Partners, LP
ENLK
$835K 0.01%
49,805
-4,390
-8% -$71.3K
RY icon
775
Royal Bank of Canada
RY
$291B
$831K 0.01%
10,744
+56
+0.5% +$4.18K
29 30
31
32 33

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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.