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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
MCY icon
876
Mercury Insurance
MCY
$5.93B
$599K ﹤0.01%
10,570
-3,300
-24% -$187K
RPM icon
877
RPM International
RPM
$13.7B
$597K ﹤0.01%
11,628
– –
URI icon
878
United Rentals
URI
$67.2B
$597K ﹤0.01%
4,302
+26
+0.6% +$3.11K
UA icon
879
Under Armour Class C
UA
$2.77B
$596K ﹤0.01%
39,650
-10,319
-21% -$174K
LOCO icon
880
El Pollo Loco
LOCO
$501M
$592K ﹤0.01%
48,735
-45,400
-48% -$558K
CAKE icon
881
Cheesecake Factory
CAKE
$5.04B
$587K ﹤0.01%
13,926
+6,137
+79% +$273K
WDR
882
DELISTED
Waddell & Reed Financial, Inc.
WDR
$587K ﹤0.01%
+29,225
New +$562K
GDEN
883
DELISTED
Golden Entertainment
GDEN
$586K ﹤0.01%
24,024
+570
+2% +$12.5K
BRKL
884
DELISTED
Brookline Bancorp
BRKL
$584K ﹤0.01%
37,656
+12,000
+47% +$174K
RVTY icon
885
Revvity
RVTY
$12.6B
$584K ﹤0.01%
8,461
– –
AEM icon
886
Agnico Eagle Mines
AEM
$73.6B
$583K ﹤0.01%
12,892
+537
+4% +$25.1K
CTRA
887
DELISTED
Coterra Energy
CTRA
$582K ﹤0.01%
21,745
-6,991
-24% -$178K
NVTA
888
DELISTED
Invitae Corporation
NVTA
$580K ﹤0.01%
+61,873
New +$588K
VMW
889
DELISTED
VMware, Inc
VMW
$579K ﹤0.01%
5,303
+3,160
+147% +$312K
MIK
890
DELISTED
Michaels Stores, Inc
MIK
$579K ﹤0.01%
26,953
-9,594
-26% -$195K
SLF icon
891
Sun Life Financial
SLF
$46B
$578K ﹤0.01%
14,514
– –
TVTY
892
DELISTED
Tivity Health, Inc. Common Stock
TVTY
$574K ﹤0.01%
14,075
+1,875
+15% +$72.7K
FSLR icon
893
First Solar
FSLR
$22.7B
$572K ﹤0.01%
12,475
+1,000
+9% +$46.4K
SAP icon
894
SAP
SAP
$212B
$572K ﹤0.01%
5,219
-1,317
-20% -$140K
ACH
895
Accendra Health
ACH
$237M
$570K ﹤0.01%
19,516
-1,122
-5% -$33.1K
PODD icon
896
Insulet
PODD
$11.5B
$566K ﹤0.01%
10,285
-390
-4% -$21.3K
PFPT
897
DELISTED
Proofpoint, Inc.
PFPT
$565K ﹤0.01%
6,481
-3,280
-34% -$292K
CTXS
898
DELISTED
Citrix Systems Inc
CTXS
$564K ﹤0.01%
7,343
-584
-7% -$45.4K
NUS icon
899
Nu Skin
NUS
$252M
$562K ﹤0.01%
9,145
+34
+0.4% +$2.09K
SWKS icon
900
Skyworks Solutions
SWKS
$9.37B
$561K ﹤0.01%
5,506
-121
-2% -$12.6K
34 35
36
37 38

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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.