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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
INGN icon
151
Inogen
INGN
$178M
$22.8M 0.14%
238,932
-206,783
-46% -$25.8M
TXN icon
152
Texas Instruments
TXN
$254B
$22.6M 0.14%
213,138
+8,952
+4% +$927K
COO icon
153
Cooper Companies
COO
$14.6B
$22.5M 0.14%
303,812
+27,868
+10% +$1.94M
PANW icon
154
Palo Alto Networks
PANW
$296B
$22.1M 0.13%
544,908
+104,142
+24% +$3.86M
ANET icon
155
Arista Networks
ANET
$248B
$21.6M 0.13%
1,100,288
+172,528
+19% +$2.74M
AON icon
156
Aon
AON
$76.4B
$21.5M 0.13%
126,102
+3,623
+3% +$587K
GBCI icon
157
Glacier Bancorp
GBCI
$6.51B
$21.5M 0.13%
535,843
+14,450
+3% +$607K
JBHT icon
158
JB Hunt Transport Services
JBHT
$25.6B
$21.5M 0.13%
211,832
-709
-0.3% -$73.5K
AGG icon
159
iShares Core US Aggregate Bond ETF
AGG
$138B
$21.2M 0.13%
194,400
+19,331
+11% +$2.07M
TRMB icon
160
Trimble
TRMB
$13.7B
$21.1M 0.13%
521,549
+3,964
+0.8% +$150K
CCI icon
161
Crown Castle
CCI
$32.3B
$21M 0.13%
163,976
+22,793
+16% +$2.67M
TCMD icon
162
Tactile Systems Technology
TCMD
$676M
$20.9M 0.13%
396,303
-182,789
-32% -$11.8M
SDY icon
163
State Street SPDR S&P Dividend ETF
SDY
$23.8B
$20.9M 0.13%
209,859
-136,278
-39% -$13.1M
VTI icon
164
Vanguard Morningstar Total Stock Market ETF
VTI
$681B
$20.9M 0.13%
144,078
+18,101
+14% +$2.53M
GWW icon
165
W.W. Grainger
GWW
$60.7B
$20.7M 0.13%
68,736
-2,792
-4% -$830K
POOL icon
166
Pool Corp
POOL
$7.51B
$20.7M 0.13%
125,339
+25,492
+26% +$3.96M
LYV icon
167
Live Nation Entertainment
LYV
$42.8B
$20.5M 0.13%
323,394
+131,896
+69% +$7.48M
QQQ icon
168
Invesco QQQ Trust
QQQ
$480B
$20.3M 0.12%
112,976
+7,533
+7% +$1.28M
XYL icon
169
Xylem
XYL
$28.5B
$20.2M 0.12%
254,945
+55,934
+28% +$4.08M
PM icon
170
Philip Morris
PM
$294B
$20.1M 0.12%
227,491
+12,902
+6% +$1.04M
AMGN icon
171
Amgen
AMGN
$220B
$19.7M 0.12%
103,462
-7,043
-6% -$1.34M
BDX icon
172
Becton Dickinson
BDX
$47B
$19.5M 0.12%
80,225
+1,306
+2% +$309K
SMG icon
173
ScottsMiracle-Gro
SMG
$3.85B
$19.3M 0.12%
245,642
+37,111
+18% +$2.8M
OMC icon
174
Omnicom Group
OMC
$22.4B
$19.2M 0.12%
262,906
-4,641
-2% -$349K
VOO icon
175
Vanguard S&P 500 ETF
VOO
$1.01T
$19.2M 0.12%
73,904
+266
+0.4% +$66.4K
5 6
7
8 9

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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.