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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

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
NDAQ icon
1001
Nasdaq
NDAQ
$52.9B
$470K ﹤0.01%
13,158
+87
+0.7% +$2.96K
PVG
1002
DELISTED
PRETIUM RESOURCES INC.
PVG
$469K ﹤0.01%
42,175
COR icon
1003
Cencora
COR
$61.2B
$467K ﹤0.01%
5,495
+1,328
+32% +$114K
VAR
1004
DELISTED
Varian Medical Systems, Inc.
VAR
$467K ﹤0.01%
3,287
-947
-22% -$121K
GBDC icon
1005
Golub Capital BDC
GBDC
$3.42B
$464K ﹤0.01%
25,646
AEE icon
1006
Ameren
AEE
$30.1B
$463K ﹤0.01%
6,029
+38
+0.6% +$2.89K
ERIE icon
1007
Erie Indemnity
ERIE
$13.2B
$463K ﹤0.01%
2,791
-98
-3% -$17.3K
LUMN icon
1008
Lumen
LUMN
$6.44B
$463K ﹤0.01%
35,029
+542
+2% +$7.27K
CIEN icon
1009
Ciena
CIEN
$58.4B
$462K ﹤0.01%
10,825
+1,525
+16% +$58.1K
SUSL icon
1010
iShares ESG MSCI USA Leaders ETF
SUSL
$1.2B
$462K ﹤0.01%
+8,321
New +$443K
THR
1011
DELISTED
Thermon Group Holdings
THR
$462K ﹤0.01%
17,244
-1,725
-9% -$43.5K
TTWO icon
1012
Take-Two Interactive
TTWO
$46.1B
$462K ﹤0.01%
3,777
+1,306
+53% +$159K
WWE
1013
DELISTED
World Wrestling Entertainment
WWE
$460K ﹤0.01%
+7,095
New +$449K
FCCO icon
1014
First Community Corp
FCCO
$322M
$459K ﹤0.01%
21,224
HOME
1015
DELISTED
At Home Group Inc.
HOME
$458K ﹤0.01%
83,260
-4,053
-5% -$33K
JWN
1016
DELISTED
Nordstrom
JWN
$455K ﹤0.01%
11,128
-1,810
-14% -$67K
CXO
1017
DELISTED
CONCHO RESOURCES INC.
CXO
$454K ﹤0.01%
5,185
-136
-3% -$9.81K
IFF icon
1018
International Flavors & Fragrances
IFF
$21.9B
$453K ﹤0.01%
3,513
-394
-10% -$50.3K
O icon
1019
Realty Income
O
$59.1B
$451K ﹤0.01%
6,328
+78
+1% +$5.81K
DGRO icon
1020
iShares Core Dividend Growth ETF
DGRO
$43.5B
$449K ﹤0.01%
10,675
-1,481
-12% -$59.9K
GRMN
1021
Garmin
GRMN
$60B
$447K ﹤0.01%
4,586
-48
-1% -$4.48K
TSN icon
1022
Tyson Foods
TSN
$20.4B
$447K ﹤0.01%
4,911
-154
-3% -$13.2K
FFIV icon
1023
F5
FFIV
$22.7B
$446K ﹤0.01%
3,192
+1,156
+57% +$163K
HES
1024
DELISTED
Hess
HES
$445K ﹤0.01%
6,666
+1,874
+39% +$123K
VSS icon
1025
Vanguard FTSE All-World ex-US Small-Cap Index Fund
VSS
$11.9B
$445K ﹤0.01%
4,005
+258
+7% +$27.5K

Similar funds

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.