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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
+563.35%
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
PRLB icon
226
Protolabs
PRLB
$2.16B
$13.1M 0.08%
127,969
+3,469
+3% +$354K
SPMD icon
227
State Street SPDR Portfolio S&P 400 Mid Cap ETF
SPMD
$18.7B
$13.1M 0.08%
385,231
+990
+0.3% +$33.4K
UNF icon
228
Unifirst Corp
UNF
$5.24B
$13M 0.08%
66,738
-2,347
-3% -$455K
RPD icon
229
Rapid7
RPD
$726M
$13M 0.08%
286,699
-49,946
-15% -$2.81M
ITOT icon
230
iShares Core S&P Total US Stock Market ETF
ITOT
$97.3B
$13M 0.07%
193,740
+6,856
+4% +$459K
UN
231
DELISTED
Unilever NV New York Registry Shares
UN
$12.8M 0.07%
212,451
+17,490
+9% +$1.05M
CI icon
232
Cigna
CI
$71.5B
$12.7M 0.07%
70,105
-12,758
-15% -$2.08M
DVY icon
233
iShares Select Dividend ETF
DVY
$23.5B
$12.4M 0.07%
122,092
-2,127
-2% -$212K
SMAR
234
DELISTED
Smartsheet Inc.
SMAR
$12.4M 0.07%
343,735
-579,119
-63% -$27.6M
RP
235
DELISTED
RealPage, Inc.
RP
$12.4M 0.07%
196,937
-2,980
-1% -$187K
SIX
236
DELISTED
Six Flags Entertainment Corp.
SIX
$12.3M 0.07%
242,182
+38,794
+19% +$2.11M
SHOP icon
237
Shopify
SHOP
$187B
$11.8M 0.07%
379,170
-8,830
-2% -$302K
ORCL icon
238
Oracle
ORCL
$416B
$11.6M 0.07%
211,358
-20,695
-9% -$1.14M
CVNA icon
239
Carvana
CVNA
$76.4B
$11.4M 0.07%
864,170
-19,050
-2% -$274K
DUK icon
240
Duke Energy
DUK
$96.2B
$11.2M 0.06%
116,439
-1,730
-1% -$157K
EQIX icon
241
Equinix
EQIX
$104B
$11.1M 0.06%
19,280
+1,394
+8% +$749K
JBHT icon
242
JB Hunt Transport Services
JBHT
$25.6B
$11M 0.06%
99,487
-9,412
-9% -$969K
CBOE icon
243
Cboe Global Markets
CBOE
$29.7B
$11M 0.06%
95,621
+12,845
+16% +$1.49M
MDLZ icon
244
Mondelez International
MDLZ
$79.9B
$10.9M 0.06%
197,191
+20,645
+12% +$1.13M
SPAB icon
245
State Street SPDR Portfolio Aggregate Bond ETF
SPAB
$9.78B
$10.8M 0.06%
184,650
+22,000
+14% +$647K
SLB icon
246
SLB Ltd
SLB
$74.1B
$10.7M 0.06%
314,386
+67,499
+27% +$2.47M
USB icon
247
US Bancorp
USB
$100B
$10.6M 0.06%
191,556
+232
+0.1% +$12.5K
IWF icon
248
iShares Russell 1000 Growth ETF
IWF
$127B
$10.5M 0.06%
263,652
+14,396
+6% +$577K
WFC icon
249
Wells Fargo
WFC
$270B
$10.5M 0.06%
208,332
-52,098
-20% -$2.45M
SCZ icon
250
iShares MSCI EAFE Small-Cap ETF
SCZ
$13.6B
$10.5M 0.06%
182,787
+1,937
+1% +$109K
8 9
10
11 12

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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.