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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
FLIR
801
DELISTED
FLIR Systems, Inc. (DE) Common Stock
FLIR
$822K 0.01%
+13,379
New +$788K
HPQ icon
802
HP
HPQ
$27.5B
$821K 0.01%
31,869
+949
+3% +$22.9K
RVTY icon
803
Revvity
RVTY
$12.8B
$815K 0.01%
8,381
– –
USO icon
804
United States Oil Fund
USO
$1.84B
$815K 0.01%
6,566
-94
-1% -$10.9K
CBUS icon
805
Cibus
CBUS
$138M
$804K ﹤0.01%
1,054
+86
+9% +$73.8K
FEZ icon
806
State Street SPDR EURO STOXX 50 ETF
FEZ
$4.55B
$802K ﹤0.01%
20,963
– –
VRP icon
807
Invesco Variable Rate Preferred ETF
VRP
$3.01B
$802K ﹤0.01%
32,233
-4,808
-13% -$120K
CXO
808
DELISTED
CONCHO RESOURCES INC.
CXO
$800K ﹤0.01%
5,240
– –
NWL icon
809
Newell Brands
NWL
$2.56B
$794K ﹤0.01%
39,107
-9,910
-20% -$233K
SNPS icon
810
Synopsys
SNPS
$79.7B
$790K ﹤0.01%
8,009
+1,814
+29% +$173K
XLP icon
811
State Street Consumer Staples Select Sector SPDR ETF
XLP
$14.9B
$789K ﹤0.01%
14,635
+985
+7% +$52.9K
MYGN icon
812
Myriad Genetics
MYGN
$312M
$786K ﹤0.01%
17,088
+1,900
+13% +$84.5K
APTS
813
DELISTED
Preferred Apartment Communities, Inc.
APTS
$785K ﹤0.01%
44,659
-5,200
-10% -$90.7K
MCY icon
814
Mercury Insurance
MCY
$6.07B
$783K ﹤0.01%
15,615
+500
+3% +$24.9K
ICLR icon
815
Icon
ICLR
$12.7B
$782K ﹤0.01%
5,089
+13
+0.3% +$1.86K
OHI icon
816
Omega Healthcare
OHI
$14.7B
$780K ﹤0.01%
23,811
-3,791
-14% -$121K
PPG icon
817
PPG Industries
PPG
$26.6B
$779K ﹤0.01%
7,134
-2,306
-24% -$251K
APTX
818
DELISTED
Aptinyx Inc. Common Stock
APTX
$779K ﹤0.01%
26,900
– –
AMC icon
819
AMC Entertainment Holdings
AMC
$2.31B
$771K ﹤0.01%
3,763
+2,000
+113% +$362K
SCHG icon
820
Schwab US Large-Cap Growth ETF
SCHG
$62.8B
$771K ﹤0.01%
75,240
+9,048
+14% +$90.1K
MGA icon
821
Magna International
MGA
$18.8B
$762K ﹤0.01%
14,508
-3,430
-19% -$193K
PINC
822
DELISTED
Premier
PINC
$760K ﹤0.01%
16,601
-3,560
-18% -$144K
PH icon
823
Parker-Hannifin
PH
$135B
$757K ﹤0.01%
4,114
+189
+5% +$32.5K
IYF icon
824
iShares US Financials ETF
IYF
$4.61B
$752K ﹤0.01%
12,378
– –
TRI icon
825
Thomson Reuters
TRI
$44.1B
$751K ﹤0.01%
14,174
+632
+5% +$31.6K
31 32
33
34 35

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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.