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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
CINF icon
701
Cincinnati Financial
CINF
$27.1B
$1.13M 0.01%
14,722
-1,304
-8% -$97.1K
UMH
702
UMH Properties
UMH
$1.36B
$1.12M 0.01%
71,880
-4,725
-6% -$74.3K
BALL icon
703
Ball Corp
BALL
$16.8B
$1.12M 0.01%
25,461
+400
+2% +$16.3K
STI
704
DELISTED
SunTrust Banks, Inc.
STI
$1.12M 0.01%
16,759
-1,605
-9% -$114K
DTE icon
705
DTE Energy
DTE
$29.1B
$1.12M 0.01%
12,011
-117
-1% -$10.9K
DOMO icon
706
Domo
DOMO
$184M
$1.11M 0.01%
+51,991
New +$1.03M
IGIB icon
707
iShares 5-10 Year Investment Grade Corporate Bond ETF
IGIB
$18.6B
$1.11M 0.01%
21,007
-8,573
-29% -$456K
BSX icon
708
Boston Scientific
BSX
$71.5B
$1.11M 0.01%
28,831
-475
-2% -$16.6K
DELL icon
709
Dell
DELL
$293B
$1.11M 0.01%
40,674
-1,500
-4% -$40K
HXL icon
710
Hexcel
HXL
$7.82B
$1.11M 0.01%
16,492
+2,075
+14% +$141K
THR
711
DELISTED
Thermon Group Holdings
THR
$1.1M 0.01%
+42,869
New +$1.08M
OFG icon
712
OFG Bancorp
OFG
$2.21B
$1.1M 0.01%
68,317
-10,000
-13% -$162K
AYR
713
DELISTED
Aircastle Ltd
AYR
$1.1M 0.01%
50,353
+19,146
+61% +$397K
DLTH icon
714
Duluth Holdings
DLTH
$159M
$1.1M 0.01%
34,900
-2,400
-6% -$65.6K
TER icon
715
Teradyne
TER
$59.3B
$1.1M 0.01%
29,695
+501
+2% +$20.2K
CBRE icon
716
CBRE Group
CBRE
$42.9B
$1.09M 0.01%
24,707
+3,417
+16% +$163K
SPDW icon
717
State Street SPDR Portfolio Developed World ex-US ETF
SPDW
$41.6B
$1.08M 0.01%
34,953
+24,800
+244% +$757K
VTHR icon
718
Vanguard Russell 3000 ETF
VTHR
$4.85B
$1.07M 0.01%
8,032
-8
-0.1% -$1.05K
FUN icon
719
Cedar Fair
FUN
$1.67B
$1.07M 0.01%
20,579
-44
-0.2% -$2.43K
DOC icon
720
Healthpeak Properties
DOC
$14.8B
$1.07M 0.01%
40,696
-1,794
-4% -$47.2K
SWK icon
721
Stanley Black & Decker
SWK
$15.7B
$1.07M 0.01%
7,313
-75
-1% -$10.7K
GDXJ icon
722
VanEck Junior Gold Miners ETF
GDXJ
$8.46B
$1.07M 0.01%
39,086
-2,711
-6% -$80.4K
SPLV icon
723
Invesco S&P 500 Low Volatility ETF
SPLV
$7.21B
$1.07M 0.01%
21,527
-1,586
-7% -$78K
IZRL icon
724
ARK Israel Innovative Technology ETF
IZRL
$141M
$1.06M 0.01%
+48,490
New +$1.03M
RBC icon
725
RBC Bearings
RBC
$18B
$1.06M 0.01%
7,066
+255
+4% +$36.7K
27 28
29
30 31

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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.