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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
CSGP icon
26
CoStar Group
CSGP
$12.2B
$121M 0.74%
2,590,530
+99,710
+4% +$4.12M
DXCM icon
27
DexCom
DXCM
$31.1B
$120M 0.73%
4,041,420
+179,212
+5% +$6.3M
ICE icon
28
Intercontinental Exchange
ICE
$83.9B
$120M 0.73%
1,579,285
+43,263
+3% +$3.24M
BRK.B icon
29
Berkshire Hathaway Class B
BRK.B
$1.11T
$110M 0.67%
547,706
+19,223
+4% +$3.88M
AMT icon
30
American Tower
AMT
$77.7B
$110M 0.67%
558,141
+33,329
+6% +$5.85M
INTU icon
31
Intuit
INTU
$89B
$109M 0.66%
416,062
+41,462
+11% +$9.58M
P
32
Everpure Inc
P
$28.4B
$108M 0.66%
4,961,032
+1,859,451
+60% +$35.3M
SYK icon
33
Stryker
SYK
$129B
$108M 0.66%
545,181
+17,534
+3% +$3.16M
JNJ icon
34
Johnson & Johnson
JNJ
$622B
$107M 0.66%
768,799
+39,771
+5% +$5.33M
BA icon
35
Boeing
BA
$190B
$105M 0.64%
276,534
+73,499
+36% +$28.3M
FTV icon
36
Fortive
FTV
$18.6B
$105M 0.64%
1,978,378
-123,109
-6% -$6M
ACN icon
37
Accenture
ACN
$104B
$104M 0.63%
590,956
+45,272
+8% +$7.11M
VIG icon
38
Vanguard Dividend Appreciation ETF
VIG
$114B
$103M 0.63%
940,687
+7,118
+0.8% +$750K
ABT icon
39
Abbott
ABT
$181B
$103M 0.63%
1,285,640
+84,870
+7% +$6.31M
ULTI
40
DELISTED
Ultimate Software Group Inc
ULTI
$103M 0.63%
311,253
-230,263
-43% -$70.6M
EOG icon
41
EOG Resources
EOG
$71.9B
$102M 0.62%
1,072,064
+23,478
+2% +$2.24M
VEU icon
42
Vanguard FTSE All-World ex-US ETF
VEU
$68.1B
$100M 0.61%
2,003,008
+145,413
+8% +$7.12M
HD icon
43
Home Depot
HD
$350B
$98.9M 0.6%
515,343
+11,990
+2% +$2.2M
NFLX icon
44
Netflix
NFLX
$307B
$97M 0.59%
2,719,310
+118,450
+5% +$4.11M
GILD icon
45
Gilead Sciences
GILD
$163B
$88.5M 0.54%
1,361,066
+56,270
+4% +$3.74M
TYL icon
46
Tyler Technologies
TYL
$12.5B
$86.8M 0.53%
424,804
+66,525
+19% +$13.2M
WSO icon
47
Watsco Inc
WSO
$13.8B
$86.1M 0.53%
601,521
+1,534
+0.3% +$220K
UNP icon
48
Union Pacific
UNP
$175B
$82.9M 0.51%
495,870
+5,973
+1% +$961K
GS icon
49
Goldman Sachs
GS
$316B
$79.7M 0.49%
415,302
-4,781
-1% -$922K
APH icon
50
Amphenol
APH
$214B
$78.5M 0.48%
3,323,204
-130,720
-4% -$2.92M
1
2
3 4 5

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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.