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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
BURL icon
551
Burlington
BURL
$23.4B
$2.03M 0.01%
12,446
-6,786
-35% -$1.08M
FIT
552
DELISTED
Fitbit, Inc. Class A common stock
FIT
$2.02M 0.01%
377,775
+256,775
+212% +$1.53M
LII icon
553
Lennox International
LII
$15.1B
$2.02M 0.01%
9,238
+735
+9% +$160K
PMD
554
DELISTED
Psychemedics Corporation
PMD
$2.01M 0.01%
106,733
-3,150
-3% -$62.7K
APRN
555
DELISTED
Blue Apron Holdings, Inc. Class A Common Stock
APRN
$2M 0.01%
6,456
+460
+8% +$201K
OXLC
556
Oxford Lane Capital
OXLC
$899M
$1.97M 0.01%
37,151
+1,500
+4% +$82.1K
EA
557
DELISTED
Electronic Arts
EA
$1.95M 0.01%
16,180
+3,506
+28% +$452K
VTWO icon
558
Vanguard Russell 2000 ETF
VTWO
$17.9B
$1.95M 0.01%
28,790
-658
-2% -$44.6K
ED icon
559
Consolidated Edison
ED
$39.3B
$1.91M 0.01%
25,020
+2,025
+9% +$160K
IDV icon
560
iShares International Select Dividend ETF
IDV
$8.51B
$1.9M 0.01%
58,364
-1,556
-3% -$50.9K
DBEF icon
561
Xtrackers MSCI EAFE Hedged Equity ETF
DBEF
$9.42B
$1.9M 0.01%
58,738
-1,495
-2% -$47.7K
MTW icon
562
Manitowoc
MTW
$686M
$1.89M 0.01%
78,946
– –
IEV icon
563
iShares Europe ETF
IEV
$1.71B
$1.89M 0.01%
42,004
-100
-0.2% -$4.52K
BPL
564
DELISTED
Buckeye Partners, L.P.
BPL
$1.89M 0.01%
53,009
-4,993
-9% -$179K
MRSH
565
Marsh
MRSH
$91B
$1.89M 0.01%
22,855
-104
-0.5% -$8.81K
MDRX
566
DELISTED
Veradigm Inc. Common Stock
MDRX
$1.88M 0.01%
131,905
-300
-0.2% -$4.08K
ITT icon
567
ITT
ITT
$19.4B
$1.88M 0.01%
30,618
-1,450
-5% -$83.7K
ESI icon
568
Element Solutions
ESI
$9.42B
$1.87M 0.01%
150,200
-4,500
-3% -$56.2K
NUV icon
569
Nuveen Municipal Value Fund
NUV
$1.91B
$1.86M 0.01%
199,178
-4,468
-2% -$42.4K
DAL icon
570
Delta Air Lines
DAL
$60.4B
$1.86M 0.01%
32,113
+10,857
+51% +$598K
NTG
571
DELISTED
Tortoise Midstream Energy Fund, Inc. Common Stock
NTG
$1.85M 0.01%
11,479
+1,278
+13% +$207K
EPAM icon
572
EPAM Systems
EPAM
$4.92B
$1.84M 0.01%
13,360
+2,245
+20% +$302K
IAU icon
573
iShares Gold Trust
IAU
$67.6B
$1.83M 0.01%
80,123
-3,872
-5% -$90K
PRO
574
DELISTED
PROS Holdings
PRO
$1.83M 0.01%
+52,275
New +$1.96M
LEG icon
575
Leggett & Platt
LEG
$1.33B
$1.83M 0.01%
41,784
– –
21 22
23
24 25

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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.