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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
XTN icon
1101
State Street SPDR S&P Transportation ETF
XTN
$401M
$334K ﹤0.01%
3,726
+1,000
+37% +$59.7K
QADA
1102
DELISTED
QAD Inc.
QADA
$334K ﹤0.01%
7,753
-110
-1% -$4.72K
IDCC icon
1103
InterDigital
IDCC
$8.86B
$332K ﹤0.01%
4,080
– –
CM icon
1104
Canadian Imperial Bank of Commerce
CM
$108B
$330K ﹤0.01%
8,346
-540
-6% -$22.4K
KEY icon
1105
KeyCorp
KEY
$24.4B
$330K ﹤0.01%
20,926
+3,308
+19% +$55.2K
MPLX icon
1106
MPLX
MPLX
$60.2B
$330K ﹤0.01%
10,029
-3,617
-27% -$121K
RGT
1107
Royce Global Value Trust
RGT
$102M
$330K ﹤0.01%
28,395
– –
TAK icon
1108
Takeda Pharmaceutical
TAK
$55.6B
$330K ﹤0.01%
+16,190
New +$326K
TRN icon
1109
Trinity Industries
TRN
$2.42B
$330K ﹤0.01%
15,170
+4,906
+48% +$112K
GWX icon
1110
State Street SPDR S&P International Small Cap ETF
GWX
$912M
$329K ﹤0.01%
10,857
-139
-1% -$4.15K
GRFS
1111
Grifois
GRFS
$5.47B
$328K ﹤0.01%
16,324
-1,419
-8% -$27.1K
PII icon
1112
Polaris
PII
$4.06B
$327K ﹤0.01%
3,875
+73
+2% +$6.19K
MIME
1113
DELISTED
Mimecast Limited
MIME
$327K ﹤0.01%
+6,902
New +$290K
KBH icon
1114
KB Home
KBH
$3.6B
$325K ﹤0.01%
13,465
– –
AMC icon
1115
AMC Entertainment Holdings
AMC
$2.27B
$324K ﹤0.01%
2,088
-775
-27% -$110K
WH icon
1116
Wyndham Hotels & Resorts
WH
$5.5B
$323K ﹤0.01%
6,460
-48
-0.7% -$2.43K
TSS
1117
DELISTED
Total System Services, Inc.
TSS
$323K ﹤0.01%
3,404
+91
+3% +$8.23K
SJNK icon
1118
State Street SPDR Bloomberg Short Term High Yield Bond ETF
SJNK
$4.76B
$321K ﹤0.01%
11,771
-2,520
-18% -$67.9K
AMBA icon
1119
Ambarella
AMBA
$3.86B
$319K ﹤0.01%
7,382
-1,674
-18% -$66.2K
REGL icon
1120
ProShares S&P MidCap 400 Dividend Aristocrats ETF
REGL
$1.82B
$318K ﹤0.01%
5,638
+75
+1% +$4.16K
CVA
1121
DELISTED
Covanta Holding Corporation
CVA
$318K ﹤0.01%
18,371
+3
+0% +$49
CORT icon
1122
Corcept Therapeutics
CORT
$11.9B
$317K ﹤0.01%
27,000
– –
ARCH
1123
DELISTED
Arch Resources, Inc.
ARCH
$315K ﹤0.01%
3,450
– –
FWONK icon
1124
Liberty Media Series C
FWONK
$25.8B
$312K ﹤0.01%
9,214
+7,414
+412% +$232K
TRQ
1125
DELISTED
Turquoise Hill Resources Ltd
TRQ
$312K ﹤0.01%
18,787
+3,300
+21% +$55.9K
43 44
45
46 47

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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.