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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
+9.1%
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
$19.5B
AUM Growth
+$2.1B
Cap. Flow
+$465M
Cap. Flow %
2.39%
Top 10 Hldgs %
22.3%
Holding
1,847
New
125
Increased
679
Reduced
598
Closed
120

Top Buys

Rank Stock Value
1
ANET icon
Arista Networks
ANET
+$24M
2
DIS icon
Walt Disney
DIS
+$22.5M
3
PYPL icon
PayPal
PYPL
+$21.1M
4
AXP icon
American Express
AXP
+$18.6M
5
NOW icon
ServiceNow
NOW
+$15.5M

Top Sells

Rank Stock Value
1
CELG
Celgene Corp
CELG
+$25M
2
ULTA icon
Ulta Beauty
ULTA
+$21.8M
3
EOG icon
EOG Resources
EOG
+$20.9M
4
ABMD
Abiomed Inc
ABMD
+$16.3M
5
GRUB
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
+$11.2M

Sector Composition

Rank Sector Weight
1 Technology 23.46%
2 Healthcare 17.35%
3 Financials 13.04%
4 Consumer Discretionary 9.94%
5 Industrials 9.53%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
TLRA
1326
DELISTED
Telaria, Inc.
TLRA
$154K ﹤0.01%
17,500
– –
SNY icon
1327
Sanofi
SNY
$104B
$153K ﹤0.01%
3,052
+134
+5% +$6.28K
VGSH icon
1328
Vanguard Short-Term Treasury ETF
VGSH
$29.3B
$152K ﹤0.01%
2,500
-62
-2% -$3.77K
DERM
1329
DELISTED
Dermira, Inc.
DERM
$152K ﹤0.01%
+10,000
New +$86.3K
SPTS icon
1330
State Street SPDR Portfolio Short Term Treasury ETF
SPTS
$6.11B
$150K ﹤0.01%
5,000
– –
FAX
1331
abrdn Asia-Pacific Income Fund
FAX
$600M
$149K ﹤0.01%
5,848
-1,073
-16% -$27.4K
GRBK icon
1332
Green Brick Partners
GRBK
$3.14B
$149K ﹤0.01%
13,000
– –
GLNG icon
1333
Golar LNG
GLNG
$5.13B
$145K ﹤0.01%
10,203
-9,180
-47% -$124K
PFXF icon
1334
VanEck Preferred Securities ex Financials ETF
PFXF
$2.47B
$145K ﹤0.01%
7,167
+28
+0.4% +$563
XNTK icon
1335
State Street SPDR NYSE Technology ETF
XNTK
$2.23B
$145K ﹤0.01%
1,782
– –
XOP icon
1336
State Street SPDR S&P Oil & Gas Exploration & Production ETF
XOP
$3.51B
$145K ﹤0.01%
1,528
+1,074
+237% +$93.1K
MDRX
1337
DELISTED
Veradigm Inc. Common Stock
MDRX
$144K ﹤0.01%
14,715
-1,880
-11% -$19.8K
VMD icon
1338
Viemed Healthcare
VMD
$371M
$143K ﹤0.01%
23,000
– –
IYZ icon
1339
iShares US Telecommunications ETF
IYZ
$1.26B
$142K ﹤0.01%
4,741
– –
ZROZ icon
1340
PIMCO 25+ Year Zero Coupon US Treasury Index Exchange-Traded Fund
ZROZ
$1.28B
$141K ﹤0.01%
1,060
-200
-16% -$27.8K
ICVT icon
1341
iShares Convertible Bond ETF
ICVT
$7.35B
$140K ﹤0.01%
2,235
+19
+0.9% +$1.14K
ICSH icon
1342
iShares Ultra Short Duration Bond Active ETF
ICSH
$8.13B
$137K ﹤0.01%
2,714
+1,214
+81% +$61.1K
SOXL icon
1343
Direxion Daily Semiconductor Bull 3X ETF
SOXL
$23.8B
$137K ﹤0.01%
7,500
– –
JNK icon
1344
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$6.92B
$135K ﹤0.01%
1,237
-6
-0.5% -$651
DLS icon
1345
WisdomTree International SmallCap Dividend Fund
DLS
$1.08B
$134K ﹤0.01%
1,891
– –
VOOV icon
1346
Vanguard S&P 500 Value ETF
VOOV
$6.71B
$134K ﹤0.01%
1,067
+3
+0.3% +$360
PGJ icon
1347
Invesco Golden Dragon China ETF
PGJ
$98.7M
$133K ﹤0.01%
3,200
– –
XSLV icon
1348
Invesco S&P SmallCap Low Volatility ETF
XSLV
$247M
$132K ﹤0.01%
2,595
-372
-13% -$18.6K
BOE icon
1349
BlackRock Enhanced Global Dividend Trust
BOE
$684M
$127K ﹤0.01%
11,520
-2,650
-19% -$28.1K
SPIB icon
1350
State Street SPDR Portfolio Intermediate Term Corporate Bond ETF
SPIB
$11.5B
$126K ﹤0.01%
3,573
-2
-0.1% -$70
52 53
54
55 56

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William Blair & Company's Q4 2019 Portfolio in Review

As of Q4 2019, William Blair & Company held 1,847 positions worth $19.5B, up 12% from $17.4B the previous quarter. Its ten largest holdings account for 22% of the portfolio.

William Blair & Company's Q4 2019 filing shows 125 new, 679 increased, 598 reduced and 120 closed positions. Its largest new stake was Dynatrace: 165,602 shares worth $4.19M. The largest sale was Celgene Corp, an estimated $25M.

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 Q4 2019 buy was Dynatrace: 165,602 shares worth $4.19M.
  • William Blair & Company added most to Arista Networks in Q4 2019, an estimated $24M increase.
  • William Blair & Company's biggest Q4 2019 reduction was Ulta Beauty, cutting an estimated $21.8M.
  • William Blair & Company fully exited Celgene Corp in Q4 2019, selling an estimated $25M.
  • William Blair & Company's ten largest holdings make up 22% of its $19.5B portfolio in Q4 2019.
  • William Blair & Company opened 125 new positions and closed 120 in Q4 2019.
  • William Blair & Company's portfolio value rose 12% quarter-over-quarter to $19.5B.

Based on William Blair & Company's 13F filing for Q4 2019, filed 13 Feb 2020.