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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
SMDV icon
1576
ProShares Russell 2000 Dividend Growers ETF
SMDV
$710M
$13K ﹤0.01%
206
– –
CUT icon
1577
Invesco MSCI Global Timber ETF
CUT
$33.7M
$12K ﹤0.01%
400
– –
EBND icon
1578
State Street SPDR Bloomberg Emerging Markets Local Bond ETF
EBND
$2.27B
$12K ﹤0.01%
421
+420
+42,000% +$11.5K
GSIE icon
1579
Goldman Sachs ActiveBeta International Equity ETF
GSIE
$6.09B
$12K ﹤0.01%
406
– –
USHY icon
1580
iShares Broad USD High Yield Corporate Bond ETF
USHY
$28.6B
$12K ﹤0.01%
301
-8,273
-96% -$337K
RSX
1581
DELISTED
VanEck Russia ETF
RSX
$12K ﹤0.01%
500
– –
GCVRZ
1582
DELISTED
Sanofi Contingent Value Rights
GCVRZ
$12K ﹤0.01%
14,032
– –
AAXJ icon
1583
iShares MSCI All Country Asia ex Japan ETF
AAXJ
$3.78B
$11K ﹤0.01%
143
– –
ECH icon
1584
iShares MSCI Chile ETF
ECH
$1.05B
$11K ﹤0.01%
319
– –
ELD icon
1585
WisdomTree Emerging Markets Local Debt Fund
ELD
$142M
$11K ﹤0.01%
293
-33
-10% -$1.16K
TNA icon
1586
Direxion Daily Small Cap Bull 3x ETF
TNA
$1.43B
$11K ﹤0.01%
150
– –
FXU icon
1587
First Trust Utilities AlphaDEX Fund
FXU
$821M
$10K ﹤0.01%
334
+1
+0.3% +$29
IEO icon
1588
iShares US Oil & Gas Exploration & Production ETF
IEO
$540M
$10K ﹤0.01%
185
– –
IGE icon
1589
iShares North American Natural Resources ETF
IGE
$747M
$10K ﹤0.01%
322
-17
-5% -$496
SPXL icon
1590
Direxion Daily S&P 500 Bull 3x ETF
SPXL
$7.34B
$10K ﹤0.01%
150
– –
FFEU
1591
DELISTED
Barclays ETN+ FI Enhanced Europe 50 ETN Series C
FFEU
$10K ﹤0.01%
+95
New +$9.54K
SEA
1592
DELISTED
Invesco Shipping ETF
SEA
$10K ﹤0.01%
1,000
– –
CYB
1593
DELISTED
WisdomTree Chinese Yuan Strategy Fund
CYB
$10K ﹤0.01%
400
– –
COHR icon
1594
Coherent
COHR
$64.2B
$9K ﹤0.01%
+281
New +$8.96K
FAS icon
1595
Direxion Daily Financial Bull 3x ETF
FAS
$2.5B
$9K ﹤0.01%
100
– –
FTEC icon
1596
Fidelity MSCI Information Technology Index ETF
FTEC
$21B
$9K ﹤0.01%
+125
New +$8.47K
IMCG icon
1597
iShares Morningstar Mid-Cap Growth ETF
IMCG
$4.06B
$9K ﹤0.01%
216
– –
KIE icon
1598
State Street SPDR S&P Insurance ETF
KIE
$642M
$9K ﹤0.01%
250
– –
PSK icon
1599
State Street SPDR ICE Preferred Securities ETF
PSK
$686M
$9K ﹤0.01%
200
– –
RGLS
1600
DELISTED
Regulus Therapeutics
RGLS
$9K ﹤0.01%
1,020
– –
62 63
64
65 66

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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.