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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
VIAV icon
901
Viavi Solutions
VIAV
$9.67B
$590K ﹤0.01%
51,986
+8,150
+19% +$88K
KEY icon
902
KeyCorp
KEY
$24.4B
$589K ﹤0.01%
29,627
+12,575
+74% +$261K
VONG icon
903
Vanguard Russell 1000 Growth ETF
VONG
$45B
$589K ﹤0.01%
14,732
– –
SUB icon
904
iShares Short-Term National Muni Bond ETF
SUB
$11.4B
$588K ﹤0.01%
+5,614
New +$590K
FIZZ icon
905
National Beverage
FIZZ
$2.99B
$585K ﹤0.01%
10,036
+302
+3% +$16.9K
VAR
906
DELISTED
Varian Medical Systems, Inc.
VAR
$585K ﹤0.01%
5,225
+5
+0.1% +$566
BTI icon
907
British American Tobacco
BTI
$128B
$584K ﹤0.01%
12,524
-5,629
-31% -$286K
HMC icon
908
Honda
HMC
$41.1B
$584K ﹤0.01%
+19,425
New +$578K
SKYY icon
909
First Trust Cloud Computing ETF
SKYY
$3.12B
$582K ﹤0.01%
10,269
+4,019
+64% +$223K
DSGR icon
910
Distribution Solutions Group
DSGR
$1.61B
$581K ﹤0.01%
34,262
– –
LNC icon
911
Lincoln National
LNC
$8.86B
$580K ﹤0.01%
8,579
-749
-8% -$49.4K
NTAP icon
912
NetApp
NTAP
$37.1B
$580K ﹤0.01%
6,751
+50
+0.7% +$4.13K
IEX icon
913
IDEX
IEX
$17.3B
$578K ﹤0.01%
3,835
– –
ELV icon
914
Elevance Health
ELV
$85B
$576K ﹤0.01%
2,100
+295
+16% +$76.6K
OLED icon
915
Universal Display
OLED
$4.16B
$575K ﹤0.01%
4,881
+1
+0% +$110
ATO icon
916
Atmos Energy
ATO
$29.1B
$574K ﹤0.01%
6,107
– –
RCG
917
RENN Fund
RCG
$21.1M
$574K ﹤0.01%
316,918
+84,118
+36% +$145K
AMN icon
918
AMN Healthcare
AMN
$1.36B
$569K ﹤0.01%
10,404
– –
EZU icon
919
iShare MSCI Eurozone ETF
EZU
$9.9B
$568K ﹤0.01%
13,844
+63
+0.5% +$2.61K
OSK icon
920
Oshkosh
OSK
$9.56B
$568K ﹤0.01%
7,978
– –
SCG
921
DELISTED
Scana
SCG
$565K ﹤0.01%
14,530
– –
STAG icon
922
STAG Industrial
STAG
$7.14B
$564K ﹤0.01%
20,500
+2,700
+15% +$75.2K
TLP
923
DELISTED
Transmontaigne
TLP
$563K ﹤0.01%
14,618
+704
+5% +$27.2K
SLF icon
924
Sun Life Financial
SLF
$44.9B
$557K ﹤0.01%
14,014
-500
-3% -$20K
PII icon
925
Polaris
PII
$4.03B
$554K ﹤0.01%
5,483
+122
+2% +$13.6K
35 36
37
38 39

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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.