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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
EWY icon
1376
iShares MSCI South Korea ETF
EWY
$23.8B
$96K ﹤0.01%
1,702
– –
ISCB icon
1377
iShares Morningstar Small-Cap ETF
ISCB
$288M
$96K ﹤0.01%
2,200
– –
EWC icon
1378
iShares MSCI Canada ETF
EWC
$6.26B
$93K ﹤0.01%
3,229
-5,655
-64% -$161K
BIL icon
1379
State Street SPDR Bloomberg 1-3 Month T-Bill ETF
BIL
$46.9B
$92K ﹤0.01%
1,006
+7
+0.7% +$641
DOL icon
1380
WisdomTree True Developed International Fund
DOL
$838M
$88K ﹤0.01%
1,925
– –
STIP icon
1381
iShares 0-5 Year TIPS Bond ETF
STIP
$15.8B
$88K ﹤0.01%
+878
New +$88K
VPU
1382
Vanguard Utilities ETF
VPU
$8.3B
$87K ﹤0.01%
606
– –
LILA icon
1383
Liberty Latin America Class A
LILA
$1.75B
$86K ﹤0.01%
+7,862
New +$84.6K
EZM icon
1384
WisdomTree US MidCap Fund
EZM
$950M
$85K ﹤0.01%
2,152
– –
FSP
1385
Franklin Street Properties
FSP
$47.1M
$85K ﹤0.01%
10,000
– –
HYLS icon
1386
First Trust Exchange-Traded Fund IV First Trust Tactical High Yield ETF
HYLS
$1.63B
$85K ﹤0.01%
1,770
– –
SOXL icon
1387
Direxion Daily Semiconductor Bull 3X ETF
SOXL
$22.4B
$85K ﹤0.01%
7,500
-3,000
-29% -$32.7K
QUAL icon
1388
iShares MSCI USA Quality Factor ETF
QUAL
$47.7B
$83K ﹤0.01%
897
-203
-18% -$18.7K
SDOW icon
1389
ProShares UltraPro Short Dow 30
SDOW
$138M
$83K ﹤0.01%
112
– –
SPXU icon
1390
ProShares UltraPro Short S&P 500
SPXU
$396M
$83K ﹤0.01%
32
– –
SOIL
1391
DELISTED
Global X Fertilizers/Potash ETF
SOIL
$83K ﹤0.01%
9,500
– –
IRIX icon
1392
IRIDEX
IRIX
$14.6M
$81K ﹤0.01%
43,600
– –
VNM icon
1393
VanEck Vietnam ETF
VNM
$504M
$80K ﹤0.01%
4,888
+610
+14% +$9.73K
XTN icon
1394
State Street SPDR S&P Transportation ETF
XTN
$395M
$80K ﹤0.01%
1,314
-400
-23% -$24.3K
LGF.B
1395
DELISTED
Lions Gate Entertainment Corp. Class B Non-Voting Shares
LGF.B
$80K ﹤0.01%
+9,137
New +$98.1K
PPA icon
1396
Invesco Aerospace & Defense ETF
PPA
$8.62B
$79K ﹤0.01%
1,161
+501
+76% +$33.4K
SQQQ icon
1397
ProShares UltraPro Short QQQ
SQQQ
$1.77B
$79K ﹤0.01%
4
– –
INFN
1398
DELISTED
Infinera Corporation Common Stock
INFN
$78K ﹤0.01%
14,354
-1,800
-11% -$7.91K
SWN
1399
DELISTED
Southwestern Energy Company
SWN
$77K ﹤0.01%
+39,973
New +$85.8K
ICSH icon
1400
iShares Ultra Short Duration Bond Active ETF
ICSH
$8.12B
$76K ﹤0.01%
1,500
– –
54 55
56
57 58

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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.