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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
UAA icon
651
Under Armour
UAA
$2.51B
$1.49M 0.01%
74,814
-13,068
-15% -$288K
DTE icon
652
DTE Energy
DTE
$29.1B
$1.49M 0.01%
13,127
-80
-0.6% -$8.84K
JCI icon
653
Johnson Controls International
JCI
$92.7B
$1.48M 0.01%
32,166
+1,628
+5% +$68.9K
PBCT
654
DELISTED
People's United Financial Inc
PBCT
$1.47M 0.01%
93,748
-500
-0.5% -$7.82K
ECPG icon
655
Encore Capital Group
ECPG
$2.14B
$1.47M 0.01%
43,950
+2,468
+6% +$86.7K
SWK icon
656
Stanley Black & Decker
SWK
$15.6B
$1.46M 0.01%
10,130
-1,143
-10% -$161K
EEMV icon
657
iShares MSCI Emerging Markets Min Vol Factor ETF
EEMV
$3.57B
$1.46M 0.01%
25,511
-21,691
-46% -$1.25M
LYB icon
658
LyondellBasell Industries
LYB
$19.2B
$1.45M 0.01%
16,208
-785
-5% -$64K
AEP icon
659
American Electric Power
AEP
$67.9B
$1.45M 0.01%
15,470
-785
-5% -$71.3K
VTWO icon
660
Vanguard Russell 2000 ETF
VTWO
$17.9B
$1.45M 0.01%
23,808
-690
-3% -$42.4K
ALC icon
661
Alcon
ALC
$34.6B
$1.45M 0.01%
24,820
-5,088
-17% -$305K
DMRC icon
662
Digimarc Corp
DMRC
$179M
$1.45M 0.01%
37,000
-1,750
-5% -$75.5K
USIG icon
663
iShares Broad USD Investment Grade Corporate Bond ETF
USIG
$17.4B
$1.44M 0.01%
13,433
-48
-0.4% -$2.77K
STI
664
DELISTED
SunTrust Banks, Inc.
STI
$1.42M 0.01%
20,662
-714
-3% -$45.7K
RWT
665
Redwood Trust
RWT
$592M
$1.41M 0.01%
85,608
+8
+0% +$134
SUB icon
666
iShares Short-Term National Muni Bond ETF
SUB
$11.4B
$1.4M 0.01%
13,116
+14
+0.1% +$1.5K
SLCA
667
DELISTED
U.S. SILICA HOLDINGS, INC.
SLCA
$1.39M 0.01%
145,490
+6,630
+5% +$76.4K
HRL icon
668
Hormel Foods
HRL
$13.8B
$1.36M 0.01%
31,125
+136
+0.4% +$5.71K
CGNX icon
669
Cognex
CGNX
$11.7B
$1.36M 0.01%
27,611
+326
+1% +$14.7K
VFH icon
670
Vanguard Financials ETF
VFH
$13.6B
$1.36M 0.01%
19,385
-3,068
-14% -$212K
AVTR icon
671
Avantor
AVTR
$9.07B
$1.35M 0.01%
92,050
+31,400
+52% +$532K
DDD icon
672
3D Systems Corp
DDD
$598M
$1.32M 0.01%
161,600
-6,200
-4% -$50K
GH icon
673
Guardant Health
GH
$22.4B
$1.31M 0.01%
20,600
+972
+5% +$85.6K
BPOP icon
674
Popular Inc
BPOP
$11.2B
$1.31M 0.01%
24,300
-215
-0.9% -$11.7K
MPWR icon
675
Monolithic Power Systems
MPWR
$69.5B
$1.31M 0.01%
8,414
+5,901
+235% +$882K
25 26
27
28 29

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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.