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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
FUL icon
1226
H.B. Fuller
FUL
$3.18B
$218K ﹤0.01%
4,687
ING icon
1227
ING
ING
$102B
$218K ﹤0.01%
20,846
-567
-3% -$5.96K
SYF icon
1228
Synchrony
SYF
$25.6B
$218K ﹤0.01%
6,391
+397
+7% +$13.6K
CASS icon
1229
Cass Information Systems
CASS
$742M
$217K ﹤0.01%
4,022
-491
-11% -$25.1K
STE icon
1230
Steris
STE
$22.6B
$217K ﹤0.01%
1,504
+120
+9% +$17.9K
EQC
1231
DELISTED
Equity Commonwealth
EQC
$217K ﹤0.01%
6,350
PFG icon
1232
Principal Financial Group
PFG
$24.7B
$216K ﹤0.01%
+3,784
New +$213K
POR icon
1233
Portland General Electric
POR
$5.71B
$216K ﹤0.01%
+3,837
New +$214K
SYBT icon
1234
Stock Yards Bancorp
SYBT
$2.61B
$215K ﹤0.01%
5,852
-371
-6% -$13.5K
BLUE
1235
DELISTED
bluebird bio
BLUE
$214K ﹤0.01%
180
-8
-4% -$12.2K
IDCC icon
1236
InterDigital
IDCC
$8.47B
$214K ﹤0.01%
4,080
PTON icon
1237
Peloton Interactive
PTON
$2.38B
$214K ﹤0.01%
+8,535
New +$217K
MRO
1238
DELISTED
Marathon Oil Corporation
MRO
$213K ﹤0.01%
17,326
+5,753
+50% +$74.4K
TDY icon
1239
Teledyne Technologies
TDY
$31.9B
$212K ﹤0.01%
+659
New +$197K
PACW
1240
DELISTED
PacWest Bancorp
PACW
$211K ﹤0.01%
5,819
-351
-6% -$12.7K
TFI icon
1241
State Street SPDR Nuveen ICE Municipal Bond ETF
TFI
$3.13B
$210K ﹤0.01%
4,143
+182
+5% +$9.23K
BIV icon
1242
Vanguard Intermediate-Term Bond ETF
BIV
$28.8B
$209K ﹤0.01%
2,373
-794
-25% -$69.4K
SYRE icon
1243
Spyre Therapeutics
SYRE
$9.12B
$209K ﹤0.01%
1,088
CNYA icon
1244
iShares MSCI China A ETF
CNYA
$206M
$207K ﹤0.01%
7,457
-1,675
-18% -$47K
SONO icon
1245
Sonos
SONO
$1.83B
$207K ﹤0.01%
15,400
+1,000
+7% +$12.5K
TBT icon
1246
ProShares Trust UltraShort Lehman 20+ Year Treasury
TBT
$314M
$207K ﹤0.01%
8,479
-66
-0.8% -$1.74K
LEN.B icon
1247
Lennar Class B
LEN.B
$20.1B
$206K ﹤0.01%
4,890
+6
+0.1% +$228
STRS icon
1248
Stratus Properties
STRS
$158M
$206K ﹤0.01%
7,000
VAW icon
1249
Vanguard Materials ETF
VAW
$3.08B
$206K ﹤0.01%
1,633
GNTX icon
1250
Gentex
GNTX
$4.96B
$205K ﹤0.01%
+7,450
New +$197K

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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.