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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
VYM icon
76
Vanguard High Dividend Yield ETF
VYM
$82.6B
$52.5M 0.32%
603,096
+7,414
+1% +$642K
MCD icon
77
McDonald's
MCD
$191B
$52.4M 0.32%
313,062
+15,393
+5% +$2.47M
BABA icon
78
Alibaba
BABA
$309B
$51.9M 0.32%
314,951
+8,775
+3% +$1.55M
BWXT icon
79
BWX Technologies
BWXT
$15.8B
$51.4M 0.32%
822,166
+149,049
+22% +$9.44M
DLB icon
80
Dolby
DLB
$5.73B
$50.3M 0.31%
718,588
+551,746
+331% +$37M
MKC icon
81
McCormick & Company Non-Voting
MKC
$14B
$50.3M 0.31%
763,096
+190
+0% +$11.7K
PLNT icon
82
Planet Fitness
PLNT
$4.43B
$49.9M 0.31%
923,781
+43,288
+5% +$2.15M
EW icon
83
Edwards Lifesciences
EW
$51.6B
$49.9M 0.31%
859,803
-21,774
-2% -$1.06M
WAB icon
84
Wabtec
WAB
$50.5B
$49.8M 0.31%
474,856
+1,654
+0.3% +$178K
VBK icon
85
Vanguard Morningstar Small-Cap Growth ETF
VBK
$24.1B
$49.8M 0.3%
265,667
-450
-0.2% -$82.7K
ISRG icon
86
Intuitive Surgical
ISRG
$130B
$49.6M 0.3%
259,437
-924
-0.4% -$164K
EFA icon
87
iShares MSCI EAFE ETF
EFA
$79.3B
$49.3M 0.3%
724,874
-23,232
-3% -$1.57M
LULU icon
88
lululemon athletica
LULU
$14B
$47.9M 0.29%
295,027
-8,406
-3% -$1.15M
VEA icon
89
Vanguard FTSE Developed Markets ETF
VEA
$234B
$46.7M 0.29%
1,078,279
+10,034
+0.9% +$433K
ESRX
90
DELISTED
Express Scripts Holding Company
ESRX
$45.8M 0.28%
482,490
-25,657
-5% -$2.19M
VTV icon
91
Vanguard Morningstar Value ETF
VTV
$191B
$45.7M 0.28%
413,330
+18,023
+5% +$1.97M
MMM icon
92
3M
MMM
$93.6B
$45.6M 0.28%
259,055
+891
+0.3% +$153K
BAC icon
93
Bank of America
BAC
$440B
$44.8M 0.27%
1,520,278
+47,770
+3% +$1.45M
PG icon
94
Procter & Gamble
PG
$345B
$44.8M 0.27%
537,781
-853
-0.2% -$69.8K
NVDA icon
95
NVIDIA
NVDA
$5.13T
$43.8M 0.27%
6,240,840
+14,480
+0.2% +$94.2K
XOM icon
96
ExxonMobil
XOM
$638B
$43.4M 0.27%
510,896
-11,364
-2% -$929K
PCTY icon
97
Paylocity
PCTY
$7.67B
$42.3M 0.26%
526,849
+65,691
+14% +$4.65M
BMY icon
98
Bristol-Myers Squibb
BMY
$135B
$41.5M 0.25%
668,081
-6,300
-0.9% -$374K
PFE icon
99
Pfizer
PFE
$145B
$40.9M 0.25%
977,658
+7,089
+0.7% +$273K
TCMD icon
100
Tactile Systems Technology
TCMD
$680M
$40.7M 0.25%
572,625
-6,975
-1% -$419K
2 3
4
5 6

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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.