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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
+3.05%
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
$65B
AUM Growth
+$3.08B
Cap. Flow
+$214M
Cap. Flow %
0.33%
Top 10 Hldgs %
7.07%
Holding
2,420
New
292
Increased
857
Reduced
826
Closed
260

Sector Composition

Rank Sector Weight
1 Healthcare 7.54%
2 Industrials 7.52%
3 Consumer Discretionary 6.41%
4 Technology 6.29%
5 Financials 6.1%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
GAP
926
The Gap Inc
GAP
$7.39B
$774K ﹤0.01%
17,873
-100
-0.6% -$4.17K
HOLX
927
DELISTED
Hologic
HOLX
$773K ﹤0.01%
23,425
+2,005
+9% +$61.5K
SIAL
928
DELISTED
SIGMA - ALDRICH CORP
SIAL
$773K ﹤0.01%
5,591
TCF
929
DELISTED
TCF Financial Corporation Common Stock
TCF
$771K ﹤0.01%
+24,617
New +$738K
BLBD icon
930
Blue Bird Corp
BLBD
$2.09B
$768K ﹤0.01%
+75,000
New +$727K
CGNX icon
931
Cognex
CGNX
$11.3B
$768K ﹤0.01%
30,988
-1,970
-6% -$41.9K
MINT icon
932
PIMCO Enhanced Short Maturity Active Exchange-Traded Fund
MINT
$17B
$766K ﹤0.01%
7,570
+249
+3% +$25.2K
ACET
933
DELISTED
Aceto Corp
ACET
$765K ﹤0.01%
34,800
VAW icon
934
Vanguard Materials ETF
VAW
$3.08B
$762K ﹤0.01%
7,020
-50
-0.7% -$5.43K
VRTX icon
935
Vertex Pharmaceuticals
VRTX
$123B
$762K ﹤0.01%
6,469
-425
-6% -$50.9K
BR icon
936
Broadridge
BR
$18.8B
$755K ﹤0.01%
13,738
-302
-2% -$15.3K
SZYM
937
DELISTED
SOLAZYME INC COM STK (DE)
SZYM
$751K ﹤0.01%
262,687
+27,482
+12% +$70.3K
APU
938
DELISTED
AmeriGas Partners, L.P.
APU
$750K ﹤0.01%
15,735
-972
-6% -$48.1K
COR icon
939
Cencora
COR
$62B
$748K ﹤0.01%
6,585
+1,952
+42% +$196K
HPQ icon
940
HP
HPQ
$25.8B
$744K ﹤0.01%
52,637
-67,073
-56% -$1.11M
MIXT
941
DELISTED
MIX TELEMATICS LIMITED
MIXT
$744K ﹤0.01%
106,681
-5,669
-5% -$35.6K
IUSG icon
942
iShares Core S&P US Growth ETF
IUSG
$33.4B
$742K ﹤0.01%
18,274
-3,314
-15% -$132K
HYS icon
943
PIMCO 0-5 Year High Yield Corporate Bond Index Exchange-Traded Fund
HYS
$1.75B
$736K ﹤0.01%
7,250
-6,592
-48% -$669K
CPRT icon
944
Copart
CPRT
$26.9B
$734K ﹤0.01%
156,520
-165,120
-51% -$765K
EXPD icon
945
Expeditors International
EXPD
$23.2B
$734K ﹤0.01%
15,244
-928
-6% -$42.7K
NEOG icon
946
Neogen
NEOG
$2.46B
$726K ﹤0.01%
41,475
+20,800
+101% +$381K
IYR icon
947
iShares US Real Estate ETF
IYR
$4.63B
$725K ﹤0.01%
9,151
+100
+1% +$8K
TYPE
948
DELISTED
Monotype Imaging Holdings Inc.
TYPE
$724K ﹤0.01%
22,180
-6,138
-22% -$190K
BSX icon
949
Boston Scientific
BSX
$71.4B
$719K ﹤0.01%
40,585
+18,836
+87% +$298K
DORM icon
950
Dorman Products
DORM
$4.08B
$716K ﹤0.01%
14,400

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William Blair & Company's Q1 2015 Portfolio in Review

As of Q1 2015, William Blair & Company held 2,420 positions worth $65B, up 5% from $61.9B the previous quarter. Its ten largest holdings account for 7.1% of the portfolio.

William Blair & Company's Q1 2015 filing shows 292 new, 857 increased, 826 reduced and 260 closed positions. Its largest new stake was First American: 468,238 shares worth $16.7M. The largest sale was PRECISION CASTPARTS CORP, an estimated $146M.

By sector, the portfolio is most concentrated in Healthcare at 7.5% of assets, down from 7.7% a quarter earlier, followed by Industrials and Consumer Discretionary.

  • William Blair & Company's largest Q1 2015 buy was First American: 468,238 shares worth $16.7M.
  • William Blair & Company added most to Cerner Corp in Q1 2015, an estimated $197M increase.
  • William Blair & Company's biggest Q1 2015 reduction was PRECISION CASTPARTS CORP, cutting an estimated $146M.
  • William Blair & Company fully exited Global Brokerage, Inc. Class A Common Stock in Q1 2015, selling an estimated $91.3M.
  • William Blair & Company's ten largest holdings make up 7.1% of its $65B portfolio in Q1 2015.
  • William Blair & Company opened 292 new positions and closed 260 in Q1 2015.
  • William Blair & Company's portfolio value rose 5% quarter-over-quarter to $65B.

Based on William Blair & Company's 13F filing for Q1 2015, filed 11 May 2015.