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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
IQV icon
876
IQVIA
IQV
$39.3B
$627K ﹤0.01%
4,198
-2,282
-35% -$355K
LAZ icon
877
Lazard
LAZ
$4.31B
$626K ﹤0.01%
17,872
-36
-0.2% -$1.27K
LUV icon
878
Southwest Airlines
LUV
$23B
$625K ﹤0.01%
11,566
+1,040
+10% +$54.4K
RPG icon
879
Invesco S&P 500 Pure Growth ETF
RPG
$2.09B
$623K ﹤0.01%
26,285
+1,435
+6% +$34.3K
URTH icon
880
iShares MSCI World ETF
URTH
$8.27B
$622K ﹤0.01%
6,777
+75
+1% +$6.83K
IYH icon
881
iShares US Healthcare ETF
IYH
$3.54B
$620K ﹤0.01%
16,390
-2,145
-12% -$82.5K
AVAV icon
882
AeroVironment
AVAV
$9.45B
$619K ﹤0.01%
11,561
+4,077
+54% +$224K
KSU
883
DELISTED
Kansas City Southern
KSU
$613K ﹤0.01%
4,612
-213
-4% -$26.6K
BMO icon
884
Bank of Montreal
BMO
$127B
$609K ﹤0.01%
8,254
-341
-4% -$24.8K
OSK icon
885
Oshkosh
OSK
$9.59B
$608K ﹤0.01%
8,018
– –
EXG icon
886
Eaton Vance Tax-Managed Global Diversified Equity Income Fund
EXG
$3.06B
$604K ﹤0.01%
73,444
– –
LM
887
DELISTED
Legg Mason, Inc.
LM
$603K ﹤0.01%
15,783
+502
+3% +$19K
ETSY icon
888
Etsy
ETSY
$7.85B
$601K ﹤0.01%
+10,630
New +$625K
MPLX icon
889
MPLX
MPLX
$59.7B
$601K ﹤0.01%
21,445
+12,675
+145% +$371K
VGIT icon
890
Vanguard Intermediate-Term Treasury ETF
VGIT
$41.7B
$601K ﹤0.01%
9,008
-305
-3% -$20.3K
CNA icon
891
CNA Financial
CNA
$14.1B
$599K ﹤0.01%
12,162
-67
-0.5% -$3.21K
VCYT icon
892
Veracyte
VCYT
$3.8B
$599K ﹤0.01%
24,950
+2,500
+11% +$66.5K
WBD icon
893
Warner Bros
WBD
$67.1B
$594K ﹤0.01%
22,309
+2,264
+11% +$65.8K
HAS icon
894
Hasbro
HAS
$13.2B
$593K ﹤0.01%
4,999
+273
+6% +$31.1K
EB
895
DELISTED
Eventbrite
EB
$592K ﹤0.01%
33,400
+2,670
+9% +$46.8K
USO icon
896
United States Oil Fund
USO
$1.84B
$591K ﹤0.01%
6,519
+188
+3% +$17.7K
VIAB
897
DELISTED
Viacom Inc. Class B
VIAB
$588K ﹤0.01%
24,457
+2,176
+10% +$60.7K
GMED icon
898
Globus Medical
GMED
$11.2B
$587K ﹤0.01%
11,480
– –
VV icon
899
Vanguard Morningstar Large-Cap ETF
VV
$54.3B
$587K ﹤0.01%
4,308
+5
+0.1% +$679
AAL icon
900
American Airlines Group
AAL
$10.6B
$583K ﹤0.01%
21,612
+2,656
+14% +$77.7K
34 35
36
37 38

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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.