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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
RITM icon
876
Rithm Capital
RITM
$5.71B
$632K ﹤0.01%
35,465
+15,875
+81% +$290K
HOLX
877
DELISTED
Hologic
HOLX
$629K ﹤0.01%
15,337
-147
-0.9% -$5.94K
UEIC icon
878
Universal Electronics
UEIC
$67.1M
$627K ﹤0.01%
15,943
– –
IAT icon
879
iShares US Regional Banks ETF
IAT
$682M
$626K ﹤0.01%
12,779
– –
VONV icon
880
Vanguard Russell 1000 Value ETF
VONV
$21.2B
$625K ﹤0.01%
11,288
+16
+0.1% +$879
GUNR icon
881
FlexShares Global Upstream Natural Resources Index Fund
GUNR
$7.35B
$624K ﹤0.01%
18,436
+9,974
+118% +$332K
BKH icon
882
Black Hills Corp
BKH
$5.73B
$622K ﹤0.01%
10,710
+440
+4% +$26.4K
SEND
883
DELISTED
SendGrid, Inc.
SEND
$621K ﹤0.01%
16,875
+1,800
+12% +$56.8K
ARI
884
Apollo Commercial Real Estate
ARI
$885M
$619K ﹤0.01%
32,800
+16,250
+98% +$310K
CRSP icon
885
CRISPR Therapeutics
CRSP
$5.18B
$618K ﹤0.01%
13,935
-1,763
-11% -$92.3K
STT icon
886
State Street
STT
$50.7B
$618K ﹤0.01%
7,381
+462
+7% +$40.6K
HEEM icon
887
iShares Currency Hedged MSCI Emerging Markets
HEEM
$281M
$616K ﹤0.01%
+24,302
New +$620K
MELI icon
888
Mercado Libre
MELI
$91.9B
$615K ﹤0.01%
1,805
+95
+6% +$32.2K
CAKE icon
889
Cheesecake Factory
CAKE
$5.32B
$614K ﹤0.01%
11,470
+435
+4% +$23.5K
TILT icon
890
FlexShares Morningstar US Market Factors Tilt Index Fund
TILT
$2.26B
$614K ﹤0.01%
+5,141
New +$608K
PWR icon
891
Quanta Services
PWR
$101B
$613K ﹤0.01%
18,375
-515
-3% -$17.5K
VIAB
892
DELISTED
Viacom Inc. Class B
VIAB
$613K ﹤0.01%
18,143
-1,709
-9% -$51.3K
PSA icon
893
Public Storage
PSA
$61.3B
$607K ﹤0.01%
3,012
-127
-4% -$27.4K
PF
894
DELISTED
Pinnacle Foods, Inc.
PF
$605K ﹤0.01%
9,333
-190,305
-95% -$12.6M
NBEV
895
DELISTED
NewAge, Inc. Common Stock (Delaware)
NBEV
$602K ﹤0.01%
112,500
+2,000
+2% +$4.53K
KDNY
896
DELISTED
Chinook Therapeutics, Inc. Common Stock
KDNY
$599K ﹤0.01%
16,310
-1,490
-8% -$47.8K
DEM icon
897
WisdomTree Emerging Markets High Dividend Fund
DEM
$3.97B
$598K ﹤0.01%
13,698
-200
-1% -$8.7K
CS
898
DELISTED
Credit Suisse Group
CS
$598K ﹤0.01%
40,032
+27,626
+223% +$421K
ITGR icon
899
Integer Holdings
ITGR
$4.26B
$593K ﹤0.01%
7,152
– –
PFPT
900
DELISTED
Proofpoint, Inc.
PFPT
$591K ﹤0.01%
5,556
+115
+2% +$13.4K
34 35
36
37 38

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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.