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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
+10.92%
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
$16.3B
AUM Growth
+$1.62B
Cap. Flow
+$161M
Cap. Flow %
0.98%
Top 10 Hldgs %
21.12%
Holding
1,696
New
110
Increased
623
Reduced
570
Closed
77

Top Buys

Rank Stock Value
1
DLB icon
Dolby
DLB
+$37M
2
DSI icon
iShares MSCI KLD 400 Social ETF
DSI
+$20M
3
PGR icon
Progressive
PGR
+$19.6M
4
KMX icon
CarMax
KMX
+$19.2M
5
TYL icon
Tyler Technologies
TYL
+$18.5M

Top Sells

Rank Stock Value
1
SBUX icon
Starbucks
SBUX
+$35.1M
2
META icon
Meta Platforms (Facebook)
META
+$18.3M
3
INGN icon
Inogen
INGN
+$14.6M
4
MKTX icon
MarketAxess Holdings
MKTX
+$13M
5
PF
Pinnacle Foods, Inc.
PF
+$12.6M

Sector Composition

Rank Sector Weight
1 Technology 21.34%
2 Healthcare 18.9%
3 Financials 12.91%
4 Industrials 9.71%
5 Consumer Discretionary 9.37%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AMG icon
101
Affiliated Managers Group
AMG
$10.1B
$40.4M 0.25%
295,380
-46,605
-14% -$6.88M
CTAS icon
102
Cintas
CTAS
$81.5B
$40.2M 0.25%
812,612
-9,092
-1% -$470K
BFAM icon
103
Bright Horizons
BFAM
$3.95B
$38.3M 0.23%
324,993
+6,258
+2% +$707K
CL icon
104
Colgate-Palmolive
CL
$73.5B
$38.1M 0.23%
569,745
-178,499
-24% -$11.9M
IEMG icon
105
iShares Core MSCI Emerging Markets ETF
IEMG
$157B
$37.7M 0.23%
728,421
+104,788
+17% +$5.47M
MDT icon
106
Medtronic
MDT
$110B
$37.2M 0.23%
378,522
+34,096
+10% +$3.15M
LGND icon
107
Ligand Pharmaceuticals
LGND
$6.03B
$37M 0.23%
216,232
-5,075
-2% -$765K
WMT icon
108
Walmart Inc
WMT
$883B
$36.8M 0.23%
1,174,386
+53,502
+5% +$1.64M
AXP icon
109
American Express
AXP
$235B
$36.7M 0.22%
344,271
-966
-0.3% -$100K
RTN
110
DELISTED
Raytheon Company
RTN
$35.8M 0.22%
173,416
+21,008
+14% +$4.18M
SCHW
111
Charles Schwab
SCHW
$185B
$35.1M 0.22%
713,957
-183,883
-20% -$9.39M
ATVI
112
DELISTED
Activision Blizzard
ATVI
$34.8M 0.21%
418,276
+72,419
+21% +$5.49M
TMO icon
113
Thermo Fisher Scientific
TMO
$209B
$34.3M 0.21%
140,388
+2,805
+2% +$645K
UPS icon
114
United Parcel Service
UPS
$92.5B
$34.3M 0.21%
293,499
-17,106
-6% -$2.01M
SDY icon
115
State Street SPDR S&P Dividend ETF
SDY
$23.8B
$34.2M 0.21%
349,705
+1,869
+0.5% +$181K
KRNT icon
116
Kornit Digital
KRNT
$793M
$34M 0.21%
1,554,600
-107,001
-6% -$2.09M
LOW icon
117
Lowe's Companies
LOW
$122B
$33.5M 0.21%
292,050
-9,997
-3% -$1.04M
DOCU
118
DocuSign
DOCU
$10.9B
$33M 0.2%
626,912
+204,798
+49% +$11.6M
SU icon
119
Suncor Energy
SU
$76.4B
$32.8M 0.2%
846,984
-32,799
-4% -$1.33M
RMD icon
120
ResMed
RMD
$32.1B
$32.5M 0.2%
281,985
+2,788
+1% +$305K
SLB icon
121
SLB Ltd
SLB
$75.3B
$32M 0.2%
525,140
-40,105
-7% -$2.58M
GRUB
122
DELISTED
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
$31.3M 0.19%
112,848
+3,411
+3% +$880K
IVV icon
123
iShares Core S&P 500 ETF
IVV
$901B
$31M 0.19%
105,946
+38,630
+57% +$11.1M
VWO icon
124
Vanguard FTSE Emerging Markets ETF
VWO
$123B
$30.9M 0.19%
753,833
+22,186
+3% +$933K
ULTA icon
125
Ulta Beauty
ULTA
$23.4B
$29.7M 0.18%
105,161
+7,440
+8% +$1.9M
3 4
5
6 7

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William Blair & Company's Q3 2018 Portfolio in Review

As of Q3 2018, William Blair & Company held 1,696 positions worth $16.3B, up 11% from $14.7B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair & Company's Q3 2018 filing shows 110 new, 623 increased, 570 reduced and 77 closed positions. Its largest new stake was Marvell Technology: 234,218 shares worth $4.52M. The largest sale was Starbucks, an estimated $35.1M.

By sector, the portfolio is most concentrated in Technology at 21% of assets, up from 20% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2018 buy was Marvell Technology: 234,218 shares worth $4.52M.
  • William Blair & Company added most to Dolby in Q3 2018, an estimated $37M increase.
  • William Blair & Company's biggest Q3 2018 reduction was Starbucks, cutting an estimated $35.1M.
  • William Blair & Company fully exited Williams Partners L.P. in Q3 2018, selling an estimated $7.8M.
  • William Blair & Company's ten largest holdings make up 21% of its $16.3B portfolio in Q3 2018.
  • William Blair & Company opened 110 new positions and closed 77 in Q3 2018.
  • William Blair & Company's portfolio value rose 11% quarter-over-quarter to $16.3B.

Based on William Blair & Company's 13F filing for Q3 2018, filed 13 Nov 2018.