We are live on ! Find out more
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
-13.3%
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
$13.7B
AUM Growth
-$2.6B
Cap. Flow
-$222M
Cap. Flow %
-1.61%
Top 10 Hldgs %
20.6%
Holding
1,859
New
191
Increased
555
Reduced
650
Closed
205

Top Buys

Rank Stock Value
1
LIN icon
Linde
LIN
+$55.6M
2
EFA icon
iShares MSCI EAFE ETF
EFA
+$22.8M
3
ULTA icon
Ulta Beauty
ULTA
+$22.1M
4
INTU icon
Intuit
INTU
+$22M
5
DIS icon
Walt Disney
DIS
+$21.1M

Sector Composition

Rank Sector Weight
1 Technology 20.75%
2 Healthcare 18.42%
3 Financials 12.76%
4 Consumer Discretionary 9.45%
5 Industrials 9.06%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
CTLT
1026
DELISTED
CATALENT, INC.
CTLT
$356K ﹤0.01%
11,423
-10,743
-48% -$414K
LMRK
1027
DELISTED
Landmark Infrastructure Partners LP Common Units
LMRK
$356K ﹤0.01%
30,878
+27
+0.1% +$362
HEDJ icon
1028
WisdomTree Europe Hedged Equity Fund
HEDJ
$1.87B
$355K ﹤0.01%
12,566
-1,346
-10% -$39.9K
EDIT icon
1029
Editas Medicine
EDIT
$445M
$352K ﹤0.01%
15,471
+2,171
+16% +$59.1K
MTB icon
1030
M&T Bank
MTB
$36.1B
$351K ﹤0.01%
2,452
+1,060
+76% +$169K
PSQ icon
1031
ProShares Short QQQ
PSQ
$729M
$351K ﹤0.01%
+2,040
New +$330K
QABA icon
1032
First Trust NASDAQ ABA Community Bank Index Fund
QABA
$93.6M
$350K ﹤0.01%
+8,120
New +$393K
XT icon
1033
iShares Future Exponential Technologies ETF
XT
$3.91B
$349K ﹤0.01%
9,252
ST icon
1034
Sensata Technologies
ST
$6.74B
$348K ﹤0.01%
7,761
+2,628
+51% +$119K
MLCO icon
1035
Melco Resorts & Entertainment
MLCO
$2.14B
$346K ﹤0.01%
19,629
-2,496
-11% -$44.5K
SIRI icon
1036
SiriusXM
SIRI
$10.1B
$346K ﹤0.01%
6,068
+2,744
+83% +$167K
WFC.PRL icon
1037
Wells Fargo 7.5% Non Cumv Perp Conv
WFC.PRL
$4.65B
$346K ﹤0.01%
274
-14
-5% -$17.7K
AGO icon
1038
Assured Guaranty
AGO
$3.66B
$345K ﹤0.01%
9,000
FXI icon
1039
iShares China Large-Cap ETF
FXI
$4.29B
$344K ﹤0.01%
8,812
+487
+6% +$19.7K
FIZZ icon
1040
National Beverage
FIZZ
$2.99B
$342K ﹤0.01%
9,538
-498
-5% -$22.9K
MGEE icon
1041
MGE Energy Inc
MGEE
$3.05B
$342K ﹤0.01%
5,705
-110
-2% -$7.01K
IYJ icon
1042
iShares US Industrials ETF
IYJ
$2.02B
$340K ﹤0.01%
5,284
+290
+6% +$20.4K
LAMR icon
1043
Lamar Advertising Co
LAMR
$16.2B
$338K ﹤0.01%
+4,893
New +$360K
MPWR icon
1044
Monolithic Power Systems
MPWR
$66.8B
$335K ﹤0.01%
2,880
-558
-16% -$66.8K
BY icon
1045
Byline Bancorp
BY
$1.79B
$333K ﹤0.01%
20,000
SCHX icon
1046
Schwab US Large- Cap ETF
SCHX
$73.9B
$333K ﹤0.01%
33,492
+26,418
+373% +$284K
IDCC icon
1047
InterDigital
IDCC
$8.47B
$332K ﹤0.01%
4,080
CM icon
1048
Canadian Imperial Bank of Commerce
CM
$108B
$331K ﹤0.01%
8,886
+18
+0.2% +$766
SPOT icon
1049
Spotify
SPOT
$97.7B
$331K ﹤0.01%
2,912
+555
+24% +$77.6K
RGT
1050
Royce Global Value Trust
RGT
$102M
$330K ﹤0.01%
28,395
+11,950
+73% +$112K

Similar funds

William Blair & Company's Q4 2018 Portfolio in Review

As of Q4 2018, William Blair & Company held 1,859 positions worth $13.7B, down 16% from $16.3B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair & Company's Q4 2018 filing shows 191 new, 555 increased, 650 reduced and 205 closed positions. Its largest new stake was Linde: 352,000 shares worth $54.9M. The largest sale was Praxair Inc, an estimated $73.7M.

By sector, the portfolio is most concentrated in Technology at 21% of assets, down from 21% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q4 2018 buy was Linde: 352,000 shares worth $54.9M.
  • William Blair & Company added most to iShares MSCI EAFE ETF in Q4 2018, an estimated $22.8M increase.
  • William Blair & Company's biggest Q4 2018 reduction was Red Hat Inc, cutting an estimated $46M.
  • William Blair & Company fully exited Praxair Inc in Q4 2018, selling an estimated $73.7M.
  • William Blair & Company's ten largest holdings make up 21% of its $13.7B portfolio in Q4 2018.
  • William Blair & Company opened 191 new positions and closed 205 in Q4 2018.
  • William Blair & Company's portfolio value fell 16% quarter-over-quarter to $13.7B.

Based on William Blair & Company's 13F filing for Q4 2018, filed 14 Feb 2019.