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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
EES icon
1276
WisdomTree US SmallCap Earnings Fund
EES
$731M
$208K ﹤0.01%
5,401
+15
+0.3% +$554
HUBS icon
1277
HubSpot
HUBS
$10.5B
$208K ﹤0.01%
1,312
-7,012
-84% -$1.07M
LEN.B icon
1278
Lennar Class B
LEN.B
$20.8B
$208K ﹤0.01%
4,901
+11
+0.2% +$489
SON icon
1279
Sonoco
SON
$5.74B
$208K ﹤0.01%
+3,364
New +$199K
SYRE icon
1280
Spyre Therapeutics
SYRE
$9.25B
$208K ﹤0.01%
1,088
– –
EQC
1281
DELISTED
Equity Commonwealth
EQC
$208K ﹤0.01%
6,350
– –
AGNC icon
1282
AGNC Investment
AGNC
$12.9B
$206K ﹤0.01%
11,649
-238
-2% -$4.05K
MSM icon
1283
MSC Industrial Direct
MSM
$6.86B
$206K ﹤0.01%
2,623
-5,222
-67% -$386K
EMBJ
1284
Embraer S.A. ADS
EMBJ
$13B
$205K ﹤0.01%
10,535
-600
-5% -$10.6K
PSI icon
1285
Invesco Semiconductors ETF
PSI
$2.5B
$205K ﹤0.01%
9,165
+8,724
+1,978% +$181K
DAVA icon
1286
Endava
DAVA
$156M
$202K ﹤0.01%
+4,341
New +$187K
INDA icon
1287
iShares MSCI India ETF
INDA
$6.63B
$202K ﹤0.01%
5,741
– –
INDY icon
1288
iShares S&P India Nifty 50 Index Fund
INDY
$569M
$202K ﹤0.01%
5,230
– –
GLIBA
1289
DELISTED
GCI Liberty, Inc. Class A Common Stock (DE)
GLIBA
$202K ﹤0.01%
2,847
-1,386
-33% -$95.3K
GNTX icon
1290
Gentex
GNTX
$5.07B
$201K ﹤0.01%
6,925
-525
-7% -$14.8K
SPHD icon
1291
Invesco S&P 500 High Dividend Low Volatility ETF
SPHD
$3.38B
$201K ﹤0.01%
4,559
+284
+7% +$12.2K
LBRDA icon
1292
Liberty Broadband Class A
LBRDA
$5.16B
$200K ﹤0.01%
1,607
-17
-1% -$1.97K
MBB icon
1293
iShares MBS ETF
MBB
$39.1B
$200K ﹤0.01%
1,847
-764
-29% -$82.5K
DCP
1294
DELISTED
DCP Midstream, LP
DCP
$200K ﹤0.01%
8,170
-10,750
-57% -$253K
PCY icon
1295
Invesco Emerging Markets Sovereign Debt ETF
PCY
$1.4B
$199K ﹤0.01%
6,742
-215
-3% -$6.26K
RNTX
1296
Rein Therapeutics
RNTX
$69.9M
$199K ﹤0.01%
17,402
+15,027
+633% +$148K
VAW icon
1297
Vanguard Materials ETF
VAW
$3.13B
$198K ﹤0.01%
1,479
-154
-9% -$19.9K
OR icon
1298
OR Royalties Inc
OR
$6.2B
$197K ﹤0.01%
20,315
-12,000
-37% -$110K
MOO icon
1299
VanEck Agribusiness ETF
MOO
$969M
$196K ﹤0.01%
2,855
-32
-1% -$2.13K
ETG
1300
Eaton Vance Tax-Advantaged Global Dividend Income Fund
ETG
$1.85B
$195K ﹤0.01%
+10,800
New +$185K
50 51
52
53 54

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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.