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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
TIVO
576
DELISTED
Tivo Inc
TIVO
$1.97M 0.01%
100,500
+5,500
+6% +$42K
AMLP icon
577
Alerian MLP ETF
AMLP
$12.9B
$1.95M 0.01%
42,724
-1,221
-3% -$57.7K
BAH icon
578
Booz Allen Hamilton
BAH
$8.89B
$1.94M 0.01%
27,300
+4,696
+21% +$332K
MIC
579
DELISTED
Macquarie Infrastructure Holdings, LLC
MIC
$1.94M 0.01%
49,073
+15,585
+47% +$615K
CMI icon
580
Cummins
CMI
$88.7B
$1.93M 0.01%
11,891
+385
+3% +$61.6K
XLI icon
581
State Street Industrial Select Sector SPDR ETF
XLI
$33.6B
$1.93M 0.01%
24,827
-71,526
-74% -$5.49M
ZEN
582
DELISTED
ZENDESK INC
ZEN
$1.93M 0.01%
26,438
+20,538
+348% +$1.69M
AFL icon
583
Aflac
AFL
$64.5B
$1.91M 0.01%
36,586
-258
-0.7% -$13.6K
PBH icon
584
Prestige Consumer Healthcare
PBH
$2.58B
$1.89M 0.01%
54,534
-825
-1% -$27.2K
EXC icon
585
Exelon
EXC
$46.7B
$1.87M 0.01%
54,328
+1,067
+2% +$35.8K
AGN
586
DELISTED
Allergan plc
AGN
$1.87M 0.01%
5,921
-3,665
-38% -$597K
EBAY icon
587
eBay
EBAY
$48.9B
$1.86M 0.01%
47,830
+3,052
+7% +$122K
SHLX
588
DELISTED
Shell Midstream Partners, L.P.
SHLX
$1.86M 0.01%
91,095
-13,375
-13% -$276K
APPN icon
589
Appian
APPN
$2.23B
$1.86M 0.01%
39,086
-18,220
-32% -$853K
RCL icon
590
Royal Caribbean
RCL
$85.7B
$1.85M 0.01%
17,036
-46,112
-73% -$5.08M
CIVB icon
591
Civista Bancshares
CIVB
$596M
$1.83M 0.01%
84,080
-500
-0.6% -$10.7K
RGEN icon
592
Repligen
RGEN
$9B
$1.83M 0.01%
23,827
-4,840
-17% -$423K
GPC icon
593
Genuine Parts
GPC
$18.3B
$1.82M 0.01%
18,292
-98
-0.5% -$9.41K
VIRT icon
594
Virtu Financial
VIRT
$4.91B
$1.81M 0.01%
110,849
-15,211
-12% -$304K
CSX icon
595
CSX Corp
CSX
$93.9B
$1.8M 0.01%
78,147
-2,178
-3% -$50.7K
TCF
596
DELISTED
TCF Financial Corporation Common Stock
TCF
$1.8M 0.01%
47,242
+34,987
+285% +$1.39M
MTW icon
597
Manitowoc
MTW
$510M
$1.78M 0.01%
142,751
+42,758
+43% +$646K
CFG icon
598
Citizens Financial Group
CFG
$30.5B
$1.77M 0.01%
50,030
+324
+0.7% +$11.3K
DNKN
599
DELISTED
Dunkin' Brands Group, Inc.
DNKN
$1.77M 0.01%
22,300
-14,844
-40% -$1.21M
OSBC icon
600
Old Second Bancorp
OSBC
$1.31B
$1.76M 0.01%
143,788
-1,921
-1% -$23.8K
22 23
24
25 26

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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.