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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
SUSA icon
751
iShares ESG Optimized MSCI USA ETF
SUSA
$4.18B
$984K 0.01%
16,490
– –
ARW icon
752
Arrow Electronics
ARW
$10.4B
$976K 0.01%
13,235
-55
-0.4% -$4.22K
VSM
753
DELISTED
Versum Materials, Inc.
VSM
$970K 0.01%
26,930
-158
-0.6% -$5.95K
HRL icon
754
Hormel Foods
HRL
$13.8B
$969K 0.01%
24,600
– –
DHS icon
755
WisdomTree US High Dividend Fund
DHS
$1.58B
$959K 0.01%
13,285
– –
LGCY
756
DELISTED
Legacy Reserves Inc. Common Stock
LGCY
$959K 0.01%
+197,640
New +$1.03M
SPH icon
757
Suburban Propane Partners
SPH
$1.17B
$957K 0.01%
40,680
-600
-1% -$14K
RDS.B
758
DELISTED
Royal Dutch Shell PLC ADS Class B
RDS.B
$955K 0.01%
13,468
-2,330
-15% -$161K
VFH icon
759
Vanguard Financials ETF
VFH
$13.6B
$954K 0.01%
13,749
+4,236
+45% +$299K
MMSI icon
760
Merit Medical Systems
MMSI
$5.32B
$946K 0.01%
15,399
– –
AUTL
761
Autolus Therapeutics
AUTL
$562M
$945K 0.01%
30,800
+22,000
+250% +$594K
HUM icon
762
Humana
HUM
$46.2B
$943K 0.01%
2,786
+345
+14% +$112K
DRI icon
763
Darden Restaurants
DRI
$24.4B
$940K 0.01%
8,458
+1,794
+27% +$202K
RHP icon
764
Ryman Hospitality Properties
RHP
$7.63B
$923K 0.01%
10,710
+503
+5% +$43K
EWBC icon
765
East-West Bancorp
EWBC
$18B
$919K 0.01%
15,217
+93
+0.6% +$5.97K
DVN icon
766
Devon Energy
DVN
$47.3B
$917K 0.01%
22,951
+605
+3% +$25.7K
SHY icon
767
iShares 1-3 Year Treasury Bond ETF
SHY
$25.1B
$915K 0.01%
11,011
-283
-3% -$23.5K
HFBC
768
DELISTED
HopFed Bancorp Inc
HFBC
$911K 0.01%
52,061
– –
MKL icon
769
Markel Group
MKL
$23.2B
$909K 0.01%
765
-10
-1% -$11.8K
IJS icon
770
iShares S&P Small-Cap 600 Value ETF
IJS
$8.34B
$908K 0.01%
10,884
– –
SHV icon
771
iShares 0-1 Year Treasury Bond ETF
SHV
$20.6B
$907K 0.01%
8,216
+7,920
+2,676% +$874K
KBE icon
772
State Street SPDR S&P Bank ETF
KBE
$1.66B
$905K 0.01%
19,440
+250
+1% +$12.2K
VCSH icon
773
Vanguard Short-Term Corporate Bond ETF
VCSH
$44.7B
$901K 0.01%
11,524
-1,509
-12% -$118K
GNRC icon
774
Generac Holdings
GNRC
$12.5B
$899K 0.01%
15,935
+200
+1% +$11K
AIG icon
775
American International
AIG
$41.8B
$896K 0.01%
16,827
-435
-3% -$23.4K
29 30
31
32 33

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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.