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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
+512.03%
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
GILD icon
76
Gilead Sciences
GILD
$163B
$60.6M 0.31%
932,716
-91,413
-9% -$5.95M
LIN icon
77
Linde
LIN
$221B
$60.2M 0.31%
282,705
+6,218
+2% +$1.25M
BKNG icon
78
Booking.com
BKNG
$149B
$59.9M 0.31%
729,650
-58,975
-7% -$4.63M
ADP icon
79
Automatic Data Processing
ADP
$107B
$58.1M 0.3%
340,879
-1,534
-0.4% -$254K
BFAM icon
80
Bright Horizons
BFAM
$4.01B
$57.6M 0.3%
382,994
+20,178
+6% +$3.03M
BMY icon
81
Bristol-Myers Squibb
BMY
$134B
$56M 0.29%
871,930
+231,285
+36% +$13.2M
VZ icon
82
Verizon
VZ
$197B
$54.7M 0.28%
890,668
+88,119
+11% +$5.32M
CSCO icon
83
Cisco
CSCO
$457B
$53.2M 0.27%
1,109,042
-101,042
-8% -$4.7M
TDOC icon
84
Teladoc Health
TDOC
$1.21B
$52.3M 0.27%
624,119
+64,482
+12% +$4.91M
VEA icon
85
Vanguard FTSE Developed Markets ETF
VEA
$230B
$52.1M 0.27%
1,182,397
+25,420
+2% +$1.08M
ISRG icon
86
Intuitive Surgical
ISRG
$133B
$51.7M 0.27%
262,161
-3,648
-1% -$683K
CTAS icon
87
Cintas
CTAS
$81.6B
$51.6M 0.27%
766,516
-8,356
-1% -$550K
VTV icon
88
Vanguard Morningstar Value ETF
VTV
$189B
$51.1M 0.26%
426,778
+56,434
+15% +$6.51M
KRNT icon
89
Kornit Digital
KRNT
$734M
$50.6M 0.26%
1,478,800
-63,096
-4% -$2.09M
VYM icon
90
Vanguard High Dividend Yield ETF
VYM
$81.4B
$49.8M 0.26%
531,930
+10,645
+2% +$965K
MDT icon
91
Medtronic
MDT
$111B
$49.5M 0.25%
436,174
+37,040
+9% +$4.06M
RMD icon
92
ResMed
RMD
$31.2B
$49.5M 0.25%
319,268
+3,025
+1% +$436K
MRK icon
93
Merck
MRK
$316B
$48.6M 0.25%
559,984
-17,681
-3% -$1.45M
VBK icon
94
Vanguard Morningstar Small-Cap Growth ETF
VBK
$23.5B
$48.4M 0.25%
243,774
-1,180
-0.5% -$224K
RTN
95
DELISTED
Raytheon Company
RTN
$47.8M 0.25%
217,515
-568
-0.3% -$120K
PEP icon
96
PepsiCo
PEP
$191B
$47.5M 0.24%
347,299
-6,223
-2% -$847K
ANET icon
97
Arista Networks
ANET
$233B
$47M 0.24%
3,698,944
+1,826,000
+97% +$24M
OKTA icon
98
Okta
OKTA
$24.6B
$46.9M 0.24%
406,275
+41,037
+11% +$4.72M
T icon
99
AT&T
T
$162B
$44.4M 0.23%
1,505,857
-62,912
-4% -$1.82M
LLY icon
100
Eli Lilly
LLY
$1,000B
$44.1M 0.23%
335,454
+50,249
+18% +$5.82M
2 3
4
5 6

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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.