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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
VG
1376
DELISTED
Vonage Holdings Corporation
VG
$105K ﹤0.01%
14,200
– –
ISCB icon
1377
iShares Morningstar Small-Cap ETF
ISCB
$291M
$104K ﹤0.01%
2,200
– –
LILAK icon
1378
Liberty Latin America Class C
LILAK
$1.65B
$103K ﹤0.01%
6,174
-6,447
-51% -$99.8K
TACO
1379
DELISTED
Del Taco Restaurants, Inc. Common Stock
TACO
$103K ﹤0.01%
13,000
+2,300
+21% +$18.6K
NCNA
1380
NuCana
NCNA
$5.91M
$101K ﹤0.01%
3
-3
-50% -$102K
VDE icon
1381
Vanguard Energy ETF
VDE
$9.74B
$101K ﹤0.01%
1,245
-282
-18% -$21.9K
SPIP icon
1382
State Street SPDR Portfolio TIPS ETF
SPIP
$1B
$100K ﹤0.01%
3,487
+201
+6% +$5.73K
LBTYA icon
1383
Liberty Global Class A
LBTYA
$3.63B
$99K ﹤0.01%
4,356
-5,362
-55% -$126K
GALT icon
1384
Galectin Therapeutics
GALT
$225M
$98K ﹤0.01%
34,120
– –
SPTI icon
1385
State Street SPDR Portfolio Intermediate Term Treasury ETF
SPTI
$10.6B
$98K ﹤0.01%
3,162
-1,306
-29% -$40.6K
LILA icon
1386
Liberty Latin America Class A
LILA
$1.67B
$97K ﹤0.01%
7,809
-53
-0.7% -$616
SH icon
1387
ProShares Short S&P500
SH
$898M
$96K ﹤0.01%
1,000
– –
TCS
1388
DELISTED
THE CONTAINER STORE GROUP, INC.
TCS
$94K ﹤0.01%
1,478
-24
-2% -$1.52K
BIL icon
1389
State Street SPDR Bloomberg 1-3 Month T-Bill ETF
BIL
$46.9B
$92K ﹤0.01%
1,006
– –
EZM icon
1390
WisdomTree US MidCap Fund
EZM
$958M
$91K ﹤0.01%
2,152
– –
CALA
1391
DELISTED
Calithera Biosciences, Inc
CALA
$91K ﹤0.01%
800
-250
-24% -$18.8K
BATRA icon
1392
Atlanta Braves Holdings Series A
BATRA
$3.43B
$90K ﹤0.01%
3,049
+2,642
+649% +$75.4K
GARS
1393
DELISTED
Garrison Capital Inc.
GARS
$90K ﹤0.01%
15,500
-4,900
-24% -$30.5K
ASHR icon
1394
Xtrackers Harvest CSI 300 China A-Shares ETF
ASHR
$1.6B
$89K ﹤0.01%
2,987
+487
+19% +$13.7K
GBIL icon
1395
Goldman Sachs Access Treasury 0-1 Year ETF
GBIL
$7.58B
$89K ﹤0.01%
891
-1,000
-53% -$100K
STIP icon
1396
iShares 0-5 Year TIPS Bond ETF
STIP
$15.8B
$89K ﹤0.01%
882
+4
+0.5% +$401
HYLS icon
1397
First Trust Exchange-Traded Fund IV First Trust Tactical High Yield ETF
HYLS
$1.63B
$88K ﹤0.01%
1,795
+25
+1% +$1.21K
MINT icon
1398
PIMCO Enhanced Short Maturity Active Exchange-Traded Fund
MINT
$17B
$88K ﹤0.01%
863
-917
-52% -$93.2K
NBR icon
1399
Nabors Industries
NBR
$1.22B
$86K ﹤0.01%
594
+4
+0.7% +$421
PBPB
1400
DELISTED
Potbelly
PBPB
$85K ﹤0.01%
20,160
-13,391
-40% -$58.4K
54 55
56
57 58

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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.