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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
XLRE icon
1451
State Street Real Estate Select Sector SPDR ETF
XLRE
$8.6B
$55K ﹤0.01%
1,679
-11,990
-88% -$398K
FXN icon
1452
First Trust Energy AlphaDEX Fund
FXN
$369M
$54K ﹤0.01%
3,082
+2,682
+671% +$45.4K
MDYG icon
1453
State Street SPDR S&P 400 Mid Cap Growth ETF
MDYG
$2.9B
$54K ﹤0.01%
967
+67
+7% +$3.74K
MIN
1454
Aberdeen Intermediate Income Fund
MIN
$277M
$54K ﹤0.01%
14,465
-1,384
-9% -$5.26K
EWG icon
1455
iShares MSCI Germany ETF
EWG
$1.61B
$53K ﹤0.01%
1,773
-300
-14% -$9.09K
PPT
1456
Franklin Premier Income Trust
PPT
$326M
$53K ﹤0.01%
10,000
– –
DTUS
1457
DELISTED
iPath US Treasury 2-year Bear ETN
DTUS
$53K ﹤0.01%
1,300
– –
EUFN icon
1458
iShares MSCI Europe Financials ETF
EUFN
$4.3B
$52K ﹤0.01%
2,579
-605
-19% -$12.3K
FXL icon
1459
First Trust Technology AlphaDEX Fund
FXL
$2.69B
$52K ﹤0.01%
815
+200
+33% +$12.1K
MLPA icon
1460
Global X MLP ETF
MLPA
$2.28B
$52K ﹤0.01%
908
-100
-10% -$5.82K
IVAC
1461
DELISTED
Intevac Inc
IVAC
$52K ﹤0.01%
+10,000
New +$51K
IGE icon
1462
iShares North American Natural Resources ETF
IGE
$752M
$51K ﹤0.01%
1,423
– –
ISCG icon
1463
iShares Morningstar Small-Cap Growth ETF
ISCG
$1B
$50K ﹤0.01%
1,410
-210
-13% -$7.29K
DGRE icon
1464
WisdomTree Trust WisdomTree Emerging Markets Quality Dividend Growth Fund
DGRE
$146M
$49K ﹤0.01%
+2,035
New +$50.2K
VOOG icon
1465
Vanguard S&P 500 Growth ETF
VOOG
$27.1B
$48K ﹤0.01%
1,800
– –
NAP
1466
DELISTED
Navios Maritime Midstream Partrs
NAP
$48K ﹤0.01%
+16,267
New +$53.5K
EMCG
1467
DELISTED
WisdomTree Emerging Markets Consumer Growth Fund
EMCG
$48K ﹤0.01%
+2,270
New +$50.7K
AWRE icon
1468
Aware
AWRE
$28.1M
$47K ﹤0.01%
13,000
– –
ITM icon
1469
VanEck Intermediate Muni ETF
ITM
$2.15B
$47K ﹤0.01%
1,000
– –
SLYV icon
1470
State Street SPDR S&P 600 Small Cap Value ETF
SLYV
$5.02B
$47K ﹤0.01%
690
– –
TDIV icon
1471
First Trust NASDAQ Technology Dividend Index Fund
TDIV
$4.36B
$45K ﹤0.01%
1,180
– –
DFJ icon
1472
WisdomTree Japan SmallCap Dividend Fund
DFJ
$398M
$44K ﹤0.01%
568
– –
EES icon
1473
WisdomTree US SmallCap Earnings Fund
EES
$733M
$44K ﹤0.01%
1,111
– –
PFXF icon
1474
VanEck Preferred Securities ex Financials ETF
PFXF
$2.46B
$44K ﹤0.01%
2,275
– –
SPIP icon
1475
State Street SPDR Portfolio TIPS ETF
SPIP
$1B
$44K ﹤0.01%
1,600
– –
57 58
59
60 61

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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.