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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
HEFA icon
326
iShares Currency Hedged MSCI EAFE ETF
HEFA
$7.66B
$6.46M 0.04%
215,655
+1,535
+0.7% +$45.3K
ANET icon
327
Arista Networks
ANET
$242B
$6.42M 0.04%
386,656
+26,080
+7% +$444K
STKL
328
DELISTED
SunOpta
STKL
$6.41M 0.04%
872,215
+41,405
+5% +$330K
CVNA icon
329
Carvana
CVNA
$76B
$6.29M 0.04%
531,875
-77,720
-13% -$832K
SYY icon
330
Sysco
SYY
$40.5B
$6.21M 0.04%
84,835
+1,450
+2% +$104K
RDS.A
331
DELISTED
Royal Dutch Shell PLC ADS Class A
RDS.A
$6.17M 0.04%
90,569
-8,070
-8% -$539K
XPO icon
332
XPO
XPO
$23.1B
$6.15M 0.04%
155,863
+543
+0.3% +$19.8K
FNF icon
333
Fidelity National Financial
FNF
$13.8B
$6.12M 0.04%
161,715
-2,750
-2% -$105K
SHOP icon
334
Shopify
SHOP
$190B
$6.07M 0.04%
369,280
+46,280
+14% +$705K
IBB icon
335
iShares Biotechnology ETF
IBB
$9.49B
$6.04M 0.04%
49,500
-6,449
-12% -$759K
VFC icon
336
VF Corp
VFC
$5.89B
$6M 0.04%
68,155
+753
+1% +$64.2K
TSM icon
337
TSMC
TSM
$2.17T
$5.97M 0.04%
135,174
+40,553
+43% +$1.68M
GLD icon
338
SPDR Gold Trust
GLD
$137B
$5.94M 0.04%
52,680
-6,590
-11% -$756K
TBF icon
339
ProShares Short 20+ Year Treasury ETF
TBF
$104M
$5.92M 0.04%
253,160
-5,800
-2% -$133K
SMFG icon
340
Sumitomo Mitsui Financial
SMFG
$163B
$5.87M 0.04%
730,622
+141,556
+24% +$1.12M
IX icon
341
ORIX
IX
$45.3B
$5.84M 0.04%
360,340
+40,410
+13% +$651K
PAA icon
342
Plains All American Pipeline
PAA
$16.5B
$5.84M 0.04%
233,391
-3,381
-1% -$85.1K
HOG icon
343
Harley-Davidson
HOG
$2.7B
$5.83M 0.04%
128,701
+833
+0.7% +$36.2K
P
344
DELISTED
Pandora Media Inc
P
$5.78M 0.04%
607,992
-54,398
-8% -$458K
CLX icon
345
Clorox
CLX
$12.9B
$5.76M 0.04%
38,298
-12,987
-25% -$1.84M
IWR icon
346
iShares Russell Mid-Cap ETF
IWR
$56.8B
$5.74M 0.04%
104,176
+8,736
+9% +$479K
RF icon
347
Regions Financial
RF
$27B
$5.72M 0.04%
311,541
+6,051
+2% +$114K
MORN icon
348
Morningstar
MORN
$7.39B
$5.7M 0.03%
45,278
-2,884
-6% -$389K
MDLZ icon
349
Mondelez International
MDLZ
$80.3B
$5.68M 0.03%
132,154
-544
-0.4% -$23.2K
BLBD icon
350
Blue Bird Corp
BLBD
$2.12B
$5.67M 0.03%
231,620
+13,138
+6% +$302K
12 13
14
15 16

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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.