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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
+17.39%
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
$16.4B
AUM Growth
+$2.69B
Cap. Flow
+$462M
Cap. Flow %
2.81%
Top 10 Hldgs %
21%
Holding
1,770
New
129
Increased
755
Reduced
489
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
MKC icon
76
McCormick & Company Non-Voting
MKC
$14B
$54.6M 0.33%
724,540
+16,786
+2% +$1.13M
DLB icon
77
Dolby
DLB
$5.68B
$53.5M 0.33%
849,045
+164,065
+24% +$10.5M
ALGN icon
78
Align Technology
ALGN
$12.3B
$52.5M 0.32%
184,724
+8,651
+5% +$2.06M
IVV icon
79
iShares Core S&P 500 ETF
IVV
$899B
$52.2M 0.32%
183,382
+41,914
+30% +$11.5M
LIN icon
80
Linde
LIN
$226B
$52.1M 0.32%
296,021
-55,979
-16% -$9.3M
META icon
81
Meta Platforms (Facebook)
META
$1.48T
$52.1M 0.32%
312,292
+6,872
+2% +$1.09M
BABA icon
82
Alibaba
BABA
$309B
$51.7M 0.31%
283,127
+53,635
+23% +$9.02M
CPRT icon
83
Copart
CPRT
$26.6B
$51.4M 0.31%
3,393,832
+1,123,660
+49% +$15.3M
WMT icon
84
Walmart Inc
WMT
$894B
$50.9M 0.31%
1,564,224
+66,834
+4% +$2.17M
ISRG icon
85
Intuitive Surgical
ISRG
$131B
$50.6M 0.31%
265,830
+5,142
+2% +$914K
PCTY icon
86
Paylocity
PCTY
$7.71B
$50.5M 0.31%
565,793
+28,728
+5% +$2.23M
DOCU
87
DocuSign
DOCU
$10.9B
$50.4M 0.31%
972,384
+271,691
+39% +$13.9M
VEA icon
88
Vanguard FTSE Developed Markets ETF
VEA
$235B
$49.6M 0.3%
1,213,444
+12,939
+1% +$517K
VTV icon
89
Vanguard Morningstar Value ETF
VTV
$191B
$47.8M 0.29%
444,021
+3,244
+0.7% +$342K
MMM icon
90
3M
MMM
$94B
$47.7M 0.29%
274,632
+13,941
+5% +$2.35M
VBK icon
91
Vanguard Morningstar Small-Cap Growth ETF
VBK
$24B
$44.8M 0.27%
249,019
-9,442
-4% -$1.62M
BFAM icon
92
Bright Horizons
BFAM
$3.96B
$44.4M 0.27%
349,443
+22,768
+7% +$2.71M
VYM icon
93
Vanguard High Dividend Yield ETF
VYM
$82.5B
$43.8M 0.27%
510,838
-111,536
-18% -$9.32M
BAC icon
94
Bank of America
BAC
$442B
$43.7M 0.27%
1,584,566
+18,658
+1% +$527K
XOM icon
95
ExxonMobil
XOM
$631B
$43M 0.26%
532,657
+26,868
+5% +$2.05M
VZ icon
96
Verizon
VZ
$191B
$42.9M 0.26%
725,893
+174,361
+32% +$9.87M
WBA
97
DELISTED
Walgreens Boots Alliance
WBA
$42M 0.26%
663,367
-31,955
-5% -$2.18M
CTAS icon
98
Cintas
CTAS
$80.3B
$40.6M 0.25%
802,572
-568
-0.1% -$27.5K
AXP icon
99
American Express
AXP
$235B
$40.2M 0.25%
368,138
+13,963
+4% +$1.47M
MRK icon
100
Merck
MRK
$320B
$39.7M 0.24%
500,398
+54,607
+12% +$4.08M
2 3
4
5 6

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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, 755 increased, 489 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.