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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
+1.36%
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
$17.4B
AUM Growth
-$134M
Cap. Flow
-$77.4M
Cap. Flow %
-0.45%
Top 10 Hldgs %
22.49%
Holding
1,807
New
76
Increased
584
Reduced
700
Closed
110

Top Buys

Rank Stock Value
1
DIS icon
Walt Disney
DIS
+$38.7M
2
BX icon
Blackstone
BX
+$30.7M
3
FISV
Fiserv Inc
FISV
+$22.7M
4
COLD icon
Americold
COLD
+$18.8M
5
PRO
PROS Holdings
PRO
+$16.9M

Top Sells

Rank Stock Value
1
NFLX icon
Netflix
NFLX
+$45.9M
2
P
Everpure Inc
P
+$43.7M
3
WDAY icon
Workday
WDAY
+$41.7M
4
SMAR
Smartsheet Inc.
SMAR
+$27.6M
5
KMPR icon
Kemper
KMPR
+$21.8M

Sector Composition

Rank Sector Weight
1 Technology 22.76%
2 Healthcare 17.55%
3 Financials 12.49%
4 Consumer Discretionary 10.27%
5 Industrials 9.42%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
HEI icon
126
HEICO Corp
HEI
$51.4B
$29.9M 0.17%
239,070
-6,468
-3% -$884K
VNQ icon
127
Vanguard Real Estate ETF
VNQ
$39.2B
$29.8M 0.17%
320,052
+27,633
+9% +$2.51M
SMG icon
128
ScottsMiracle-Gro
SMG
$3.86B
$29.7M 0.17%
292,059
+46,434
+19% +$4.86M
CL icon
129
Colgate-Palmolive
CL
$73.8B
$29.3M 0.17%
398,903
-7,115
-2% -$516K
ZBRA icon
130
Zebra Technologies
ZBRA
$17.6B
$29.2M 0.17%
141,334
-1,820
-1% -$368K
SPLK
131
DELISTED
Splunk Inc
SPLK
$29M 0.17%
245,992
+8,611
+4% +$1.08M
USFD icon
132
US Foods
USFD
$21.8B
$28.7M 0.17%
697,937
+10,975
+2% +$424K
WAB icon
133
Wabtec
WAB
$50.5B
$28.6M 0.16%
397,821
-79,422
-17% -$5.65M
IWM icon
134
iShares Russell 2000 ETF
IWM
$83B
$28.3M 0.16%
186,890
+1,984
+1% +$303K
MCHP icon
135
Microchip Technology
MCHP
$43.8B
$28.3M 0.16%
608,210
+181,670
+43% +$8.24M
ANET icon
136
Arista Networks
ANET
$240B
$28M 0.16%
1,872,944
+403,808
+27% +$6.25M
PAYX icon
137
Paychex
PAYX
$42.2B
$27.8M 0.16%
336,368
-9,055
-3% -$753K
SGEN
138
DELISTED
Seagen Inc. Common Stock
SGEN
$27M 0.16%
316,560
+45,457
+17% +$3.33M
MAR icon
139
Marriott International
MAR
$90B
$27M 0.16%
216,899
+1,015
+0.5% +$135K
BAC icon
140
Bank of America
BAC
$440B
$26.6M 0.15%
912,430
-729,212
-44% -$21M
PANW icon
141
Palo Alto Networks
PANW
$299B
$26.6M 0.15%
782,406
+25,152
+3% +$890K
ORLY icon
142
O'Reilly Automotive
ORLY
$74.9B
$26.4M 0.15%
994,260
-10,980
-1% -$284K
GSHD icon
143
Goosehead Insurance
GSHD
$2.43B
$26.1M 0.15%
528,994
+235,349
+80% +$10.8M
IEFA icon
144
iShares Core MSCI EAFE ETF
IEFA
$194B
$25.7M 0.15%
421,191
+4,291
+1% +$259K
CCI icon
145
Crown Castle
CCI
$33.9B
$25.4M 0.15%
182,470
+3,483
+2% +$482K
SPSB icon
146
State Street SPDR Portfolio Short Term Corporate Bond ETF
SPSB
$10.6B
$25.2M 0.15%
818,414
+60,271
+8% +$1.85M
MDY icon
147
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27.2B
$25.1M 0.14%
71,288
+6,606
+10% +$2.31M
EPD icon
148
Enterprise Products Partners
EPD
$82.5B
$25M 0.14%
875,983
-6,983
-0.8% -$203K
CELG
149
DELISTED
Celgene Corp
CELG
$25M 0.14%
251,967
-13,071
-5% -$1.24M
AON icon
150
Aon
AON
$75.7B
$24.8M 0.14%
128,355
-4,236
-3% -$817K
4 5
6
7 8

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William Blair & Company's Q3 2019 Portfolio in Review

As of Q3 2019, William Blair & Company held 1,807 positions worth $17.4B, down 0.77% from $17.5B the previous quarter. Its ten largest holdings account for 22% of the portfolio.

William Blair & Company's Q3 2019 filing shows 76 new, 584 increased, 700 reduced and 110 closed positions. Its largest new stake was Blackstone: 629,283 shares worth $30.7M. The largest sale was Netflix, an estimated $45.9M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, up from 23% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2019 buy was Blackstone: 629,283 shares worth $30.7M.
  • William Blair & Company added most to Walt Disney in Q3 2019, an estimated $38.7M increase.
  • William Blair & Company's biggest Q3 2019 reduction was Netflix, cutting an estimated $45.9M.
  • William Blair & Company fully exited Worldpay, Inc. in Q3 2019, selling an estimated $9.57M.
  • William Blair & Company's ten largest holdings make up 22% of its $17.4B portfolio in Q3 2019.
  • William Blair & Company opened 76 new positions and closed 110 in Q3 2019.
  • William Blair & Company's portfolio value fell 0.77% quarter-over-quarter to $17.4B.

Based on William Blair & Company's 13F filing for Q3 2019, filed 12 Nov 2019.