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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
+563.35%
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
HACK icon
501
Amplify Cybersecurity ETF
HACK
$2.85B
$2.51M 0.02%
62,507
+3,760
+6% +$146K
WMGI
502
DELISTED
Wright Medical Group Inc
WMGI
$2.51M 0.02%
86,422
-30,110
-26% -$811K
ORI icon
503
Old Republic International
ORI
$10.5B
$2.51M 0.02%
111,985
-479
-0.4% -$10.3K
WLKP icon
504
Westlake Chemical Partners
WLKP
$752M
$2.5M 0.02%
100,381
+4,110
+4% +$104K
XLY icon
505
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$22.9B
$2.5M 0.02%
42,644
+5,144
+14% +$293K
RGLD icon
506
Royal Gold
RGLD
$18.5B
$2.49M 0.02%
32,347
+401
+1% +$33K
WEC icon
507
WEC Energy
WEC
$35.2B
$2.49M 0.02%
37,264
-752
-2% -$50.1K
ECPG icon
508
Encore Capital Group
ECPG
$2.08B
$2.46M 0.02%
68,596
-8,219
-11% -$311K
PNC icon
509
PNC Financial Services
PNC
$101B
$2.46M 0.02%
18,048
-2,753
-13% -$391K
BBY icon
510
Best Buy
BBY
$16.9B
$2.45M 0.02%
30,857
-211
-0.7% -$16.3K
HSY icon
511
Hershey
HSY
$36.8B
$2.45M 0.02%
24,006
+1,401
+6% +$138K
EFII
512
DELISTED
Electronics for Imaging
EFII
$2.45M 0.02%
71,795
+2,435
+4% +$82.6K
DMRC icon
513
Digimarc Corp
DMRC
$171M
$2.44M 0.01%
77,450
+2,310
+3% +$67.9K
EXP icon
514
Eagle Materials
EXP
$6.48B
$2.43M 0.01%
28,465
+100
+0.4% +$9.71K
HF
515
DELISTED
HFF Inc.
HF
$2.42M 0.01%
56,866
+975
+2% +$41K
WTW icon
516
Willis Towers Watson
WTW
$31.6B
$2.39M 0.01%
16,967
– –
HSBC icon
517
HSBC
HSBC
$352B
$2.39M 0.01%
57,032
+15,323
+37% +$664K
CP icon
518
Canadian Pacific Kansas City
CP
$79.3B
$2.39M 0.01%
56,290
-2,750
-5% -$110K
AMAT icon
519
Applied Materials
AMAT
$419B
$2.38M 0.01%
61,521
+1,642
+3% +$72.6K
TFC icon
520
Truist Financial
TFC
$64.2B
$2.37M 0.01%
48,848
+2,811
+6% +$144K
GD icon
521
General Dynamics
GD
$105B
$2.36M 0.01%
11,523
+77
+0.7% +$15.1K
POOL icon
522
Pool Corp
POOL
$7.31B
$2.36M 0.01%
14,125
+3,323
+31% +$538K
PTLA
523
DELISTED
Portola Pharmaceuticals, Inc.
PTLA
$2.35M 0.01%
88,191
+3,484
+4% +$114K
PBCT
524
DELISTED
People's United Financial Inc
PBCT
$2.34M 0.01%
136,879
-500
-0.4% -$9.15K
YUMC icon
525
Yum China
YUMC
$16.5B
$2.34M 0.01%
66,543
-13,807
-17% -$492K
19 20
21
22 23

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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.