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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
EWJ icon
426
iShares MSCI Japan ETF
EWJ
$22.5B
$3.73M 0.02%
61,997
-2,515
-4% -$146K
STZ icon
427
Constellation Brands
STZ
$22.6B
$3.73M 0.02%
17,293
+5,481
+46% +$1.17M
NOC icon
428
Northrop Grumman
NOC
$80.7B
$3.71M 0.02%
11,698
+43
+0.4% +$13.1K
INGR icon
429
Ingredion
INGR
$6.49B
$3.71M 0.02%
35,302
+20,638
+141% +$2.11M
BUD icon
430
AB InBev
BUD
$165B
$3.7M 0.02%
42,205
-81,210
-66% -$7.92M
GGT
431
Gabelli Multimedia Trust
GGT
$173M
$3.66M 0.02%
402,000
-5,760
-1% -$51.3K
TSLA icon
432
Tesla
TSLA
$1.26T
$3.65M 0.02%
206,985
-3,405
-2% -$70.9K
CAI
433
DELISTED
CAI International, Inc.
CAI
$3.64M 0.02%
159,226
+19,991
+14% +$488K
IWP icon
434
iShares Russell Mid-Cap Growth ETF
IWP
$20.2B
$3.61M 0.02%
53,312
+2,616
+5% +$174K
AET
435
DELISTED
Aetna Inc
AET
$3.61M 0.02%
17,790
-750
-4% -$147K
ARCC icon
436
Ares Capital
ARCC
$14.1B
$3.6M 0.02%
209,614
+58,600
+39% +$1M
CERN
437
DELISTED
Cerner Corp
CERN
$3.54M 0.02%
54,983
-44,219
-45% -$2.81M
DE icon
438
Deere & Co
DE
$166B
$3.54M 0.02%
23,534
+738
+3% +$106K
MGK icon
439
Vanguard Morningstar Mega Cap Growth ETF
MGK
$33.9B
$3.53M 0.02%
137,825
+2,215
+2% +$55.3K
CDXS icon
440
Codexis
CDXS
$159M
$3.51M 0.02%
204,852
+6,373
+3% +$103K
HBAN icon
441
Huntington Bancshares
HBAN
$35.1B
$3.49M 0.02%
234,040
+14,175
+6% +$222K
GSHD icon
442
Goosehead Insurance
GSHD
$2.37B
$3.48M 0.02%
102,638
+52,926
+106% +$1.53M
BSV icon
443
Vanguard Short-Term Bond ETF
BSV
$44.6B
$3.45M 0.02%
44,216
+5,037
+13% +$393K
HYMB icon
444
State Street SPDR Nuveen ICE High Yield Municipal Bond ETF
HYMB
$3.18B
$3.44M 0.02%
122,414
-734
-0.6% -$20.7K
SPMD icon
445
State Street SPDR Portfolio S&P 400 Mid Cap ETF
SPMD
$18.6B
$3.42M 0.02%
94,635
-14,050
-13% -$508K
TRU icon
446
TransUnion
TRU
$15.2B
$3.4M 0.02%
46,267
+13,995
+43% +$1.04M
TRV icon
447
Travelers Companies
TRV
$80.5B
$3.4M 0.02%
26,229
-2,956
-10% -$381K
FICO icon
448
Fair Isaac
FICO
$22.3B
$3.39M 0.02%
14,825
-2,074
-12% -$450K
RYN icon
449
Rayonier
RYN
$6.45B
$3.38M 0.02%
110,237
+4,145
+4% +$133K
ODFL icon
450
Old Dominion Freight Line
ODFL
$44B
$3.36M 0.02%
62,454
-3,309
-5% -$167K
16 17
18
19 20

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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.