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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
+23.04%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$16.4B
AUM Growth
+$2.69B
Cap. Flow
+$306M
Cap. Flow %
1.86%
Top 10 Hldgs %
21%
Holding
1,770
New
129
Increased
754
Reduced
490
Closed
65

Top Buys

Rank Stock Value
1
FISV
Fiserv Inc
FISV
+$65.4M
2
P
Everpure Inc
P
+$35.3M
3
PYPL icon
PayPal
PYPL
+$30.4M
4
BA icon
Boeing
BA
+$28.3M
5
TWLO icon
Twilio
TWLO
+$24.2M

Top Sells

Rank Stock Value
1
TTE icon
TotalEnergies
TTE
+$155M
2
RHT
Red Hat Inc
RHT
+$73.4M
3
ULTI
Ultimate Software Group Inc
ULTI
+$70.6M
4
INGN icon
Inogen
INGN
+$25.8M
5
CELG
Celgene Corp
CELG
+$20.1M

Sector Composition

Rank Sector Weight
1 Technology 22.65%
2 Healthcare 17.38%
3 Financials 12.48%
4 Consumer Discretionary 9.87%
5 Industrials 9.37%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
J icon
826
Jacobs Solutions
J
$17B
$728K ﹤0.01%
11,700
+406
+4% +$22.9K
NSSC icon
827
Napco Security Technologies
NSSC
$1.48B
$726K ﹤0.01%
+70,008
New +$658K
SR icon
828
Spire
SR
$4.85B
$726K ﹤0.01%
8,820
-60
-0.7% -$4.68K
CURO
829
DELISTED
CURO Group Holdings Corp.
CURO
$726K ﹤0.01%
72,379
+9,060
+14% +$98.8K
NWL icon
830
Newell Brands
NWL
$2.56B
$725K ﹤0.01%
47,232
+9,798
+26% +$180K
ARWR icon
831
Arrowhead Research
ARWR
$12.4B
$724K ﹤0.01%
39,450
-25,875
-40% -$427K
CAG icon
832
Conagra Brands
CAG
$7.23B
$723K ﹤0.01%
26,076
-5,309
-17% -$122K
LNT icon
833
Alliant Energy
LNT
$18B
$719K ﹤0.01%
15,259
-973
-6% -$43.6K
STWD icon
834
Starwood Property Trust
STWD
$6.09B
$719K ﹤0.01%
32,153
+8,555
+36% +$187K
RWX icon
835
State Street SPDR Dow Jones International Real Estate ETF
RWX
$270M
$717K ﹤0.01%
18,246
-4,500
-20% -$172K
CNQ icon
836
Canadian Natural Resources
CNQ
$94.9B
$715K ﹤0.01%
53,092
-8,482
-14% -$113K
DXJ icon
837
WisdomTree Japan Hedged Equity Fund
DXJ
$7.42B
$715K ﹤0.01%
14,125
+783
+6% +$39K
AMD icon
838
Advanced Micro Devices
AMD
$789B
$705K ﹤0.01%
27,625
+4,459
+19% +$101K
FSV icon
839
FirstService
FSV
$6.32B
$705K ﹤0.01%
7,892
– –
DISH
840
DELISTED
DISH Network Corp.
DISH
$701K ﹤0.01%
22,119
-6,335
-22% -$194K
PSA icon
841
Public Storage
PSA
$61.3B
$697K ﹤0.01%
3,201
+87
+3% +$18.2K
TNL icon
842
Travel + Leisure Co
TNL
$4.7B
$697K ﹤0.01%
6,428
-10
-0.2% -$421
SBH icon
843
Sally Beauty Holdings
SBH
$1.58B
$695K ﹤0.01%
37,765
-1,552
-4% -$27.7K
TRI icon
844
Thomson Reuters
TRI
$44.1B
$695K ﹤0.01%
11,135
+1,516
+16% +$84.7K
LMRK
845
DELISTED
Landmark Infrastructure Partners LP Common Units
LMRK
$694K ﹤0.01%
40,904
+10,026
+32% +$146K
SCHG icon
846
Schwab US Large-Cap Growth ETF
SCHG
$62.8B
$693K ﹤0.01%
69,800
+4,560
+7% +$43.1K
HASI icon
847
Hannon Armstrong Sustainable Infrastructure Capital
HASI
$5.2B
$692K ﹤0.01%
27,000
– –
WSM icon
848
Williams-Sonoma
WSM
$29.6B
$692K ﹤0.01%
24,596
+2,530
+11% +$69.8K
EMLP icon
849
First Trust North American Energy Infrastructure Fund
EMLP
$4.08B
$689K ﹤0.01%
27,881
-1,325
-5% -$31.4K
NGG icon
850
National Grid
NGG
$81.3B
$689K ﹤0.01%
13,947
– –
32 33
34
35 36

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William Blair & Company's Q1 2019 Portfolio in Review

As of Q1 2019, William Blair & Company held 1,770 positions worth $16.4B, up 20% from $13.7B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair & Company's Q1 2019 filing shows 129 new, 754 increased, 490 reduced and 65 closed positions. Its largest new stake was Western Midstream Partners: 147,267 shares worth $4.62M. The largest sale was TotalEnergies, an estimated $155M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, up from 21% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q1 2019 buy was Western Midstream Partners: 147,267 shares worth $4.62M.
  • William Blair & Company added most to Fiserv Inc in Q1 2019, an estimated $65.4M increase.
  • William Blair & Company's biggest Q1 2019 reduction was TotalEnergies, cutting an estimated $155M.
  • William Blair & Company fully exited MB Financial Corp in Q1 2019, selling an estimated $7.72M.
  • William Blair & Company's ten largest holdings make up 21% of its $16.4B portfolio in Q1 2019.
  • William Blair & Company opened 129 new positions and closed 65 in Q1 2019.
  • William Blair & Company's portfolio value rose 20% quarter-over-quarter to $16.4B.

Based on William Blair & Company's 13F filing for Q1 2019, filed 14 May 2019.