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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
VIAB
901
DELISTED
Viacom Inc. Class B
VIAB
$601K ﹤0.01%
21,407
+2,417
+13% +$69.4K
CNA icon
902
CNA Financial
CNA
$14.1B
$599K ﹤0.01%
13,807
+313
+2% +$13.9K
OSK icon
903
Oshkosh
OSK
$9.59B
$599K ﹤0.01%
7,978
– –
SPG icon
904
Simon Property Group
SPG
$72.3B
$598K ﹤0.01%
3,282
-10,261
-76% -$1.82M
NBEV
905
DELISTED
NewAge, Inc. Common Stock (Delaware)
NBEV
$597K ﹤0.01%
113,500
– –
DLR icon
906
Digital Realty Trust
DLR
$71.7B
$590K ﹤0.01%
4,959
-507
-9% -$56.6K
CXO
907
DELISTED
CONCHO RESOURCES INC.
CXO
$588K ﹤0.01%
5,301
+61
+1% +$6.9K
VONG icon
908
Vanguard Russell 1000 Growth ETF
VONG
$45B
$583K ﹤0.01%
15,008
-1,324
-8% -$48.9K
FRC
909
DELISTED
First Republic Bank
FRC
$582K ﹤0.01%
5,798
+791
+16% +$77.9K
OXSQ icon
910
Oxford Square Capital
OXSQ
$157M
$578K ﹤0.01%
88,900
-36,360
-29% -$240K
BOH icon
911
Bank of Hawaii
BOH
$3.13B
$576K ﹤0.01%
7,308
+937
+15% +$73.5K
VRTU
912
DELISTED
Virtusa Corporation
VRTU
$576K ﹤0.01%
+10,778
New +$534K
RPG icon
913
Invesco S&P 500 Pure Growth ETF
RPG
$2.09B
$570K ﹤0.01%
24,625
-10,535
-30% -$232K
PETX
914
DELISTED
Aratana Therapeutics, Inc.
PETX
$570K ﹤0.01%
158,350
-104,150
-40% -$451K
ITUB icon
915
Itaú Unibanco
ITUB
$87.5B
$569K ﹤0.01%
88,764
-769
-0.9% -$5.44K
MGP
916
DELISTED
MGM Growth Properties LLC Class A common shares representing limited liability company interests
MGP
$569K ﹤0.01%
17,652
-1,435
-8% -$43.4K
GMED icon
917
Globus Medical
GMED
$11.2B
$567K ﹤0.01%
11,480
-900
-7% -$40.7K
THO icon
918
Thor Industries
THO
$4.14B
$566K ﹤0.01%
9,067
+1,719
+23% +$109K
AEM icon
919
Agnico Eagle Mines
AEM
$90.5B
$565K ﹤0.01%
12,979
+250
+2% +$10.6K
FEZ icon
920
State Street SPDR EURO STOXX 50 ETF
FEZ
$4.55B
$564K ﹤0.01%
15,423
-140
-0.9% -$4.97K
THRM icon
921
Gentherm
THRM
$1.27B
$560K ﹤0.01%
15,200
– –
GAP
922
The Gap Inc
GAP
$7.37B
$558K ﹤0.01%
21,328
+1,902
+10% +$48.6K
AAL icon
923
American Airlines Group
AAL
$10.6B
$555K ﹤0.01%
17,461
+2,923
+20% +$98.2K
SHM icon
924
State Street SPDR Nuveen ICE Short Term Municipal Bond ETF
SHM
$3.47B
$555K ﹤0.01%
11,455
+730
+7% +$35.3K
KSU
925
DELISTED
Kansas City Southern
KSU
$555K ﹤0.01%
4,785
-259
-5% -$28K
35 36
37
38 39

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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.