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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
MLPN
576
DELISTED
Credit Suisse X- Links Cushing MLP Infrastructure ETN's due April 20, 2020
MLPN
$3.96M 0.01%
130,272
-3,550
-3% -$111K
WM icon
577
Waste Management
WM
$91.5B
$3.94M 0.01%
72,682
-6,550
-8% -$348K
IWR icon
578
iShares Russell Mid-Cap ETF
IWR
$56.7B
$3.89M 0.01%
89,988
-1,440
-2% -$61.2K
NBL
579
DELISTED
Noble Energy, Inc.
NBL
$3.89M 0.01%
79,580
-765,439
-91% -$35.7M
IRDM icon
580
Iridium Communications
IRDM
$5.12B
$3.88M 0.01%
399,916
+61,305
+18% +$571K
HSBC icon
581
HSBC
HSBC
$352B
$3.88M 0.01%
103,360
-52
-0.1% -$2.03K
CDK
582
DELISTED
CDK Global, Inc.
CDK
$3.85M 0.01%
82,305
-59,918
-42% -$2.73M
IDV icon
583
iShares International Select Dividend ETF
IDV
$8.48B
$3.83M 0.01%
113,822
+17,750
+18% +$610K
DVAX
584
DELISTED
Dynavax Technologies
DVAX
$3.76M 0.01%
167,691
+16,485
+11% +$316K
PDP icon
585
Invesco Dorsey Wright Momentum ETF
PDP
$1.49B
$3.76M 0.01%
86,575
-6,340
-7% -$268K
UNH icon
586
UnitedHealth
UNH
$367B
$3.76M 0.01%
31,776
+1,587
+5% +$176K
DEO icon
587
Diageo
DEO
$51.6B
$3.75M 0.01%
33,915
-719
-2% -$82.8K
LMAT icon
588
LeMaitre Vascular
LMAT
$1.85B
$3.75M 0.01%
447,279
+118,000
+36% +$926K
TWTR
589
DELISTED
Twitter, Inc.
TWTR
$3.65M 0.01%
72,790
+55,464
+320% +$2.46M
CBI
590
DELISTED
Chicago Bridge & Iron Nv
CBI
$3.63M 0.01%
73,805
+24,350
+49% +$1.02M
TGT icon
591
Target
TGT
$66.8B
$3.58M 0.01%
43,598
-5,636
-11% -$435K
CTRA
592
DELISTED
Coterra Energy
CTRA
$3.57M 0.01%
120,890
+50,313
+71% +$1.43M
PNRA
593
DELISTED
Panera Bread Co
PNRA
$3.55M 0.01%
22,198
+13,320
+150% +$2.21M
FARO
594
DELISTED
Faro Technologies
FARO
$3.5M 0.01%
56,250
IWN icon
595
iShares Russell 2000 Value ETF
IWN
$14.5B
$3.46M 0.01%
33,507
+3,546
+12% +$358K
LEG icon
596
Leggett & Platt
LEG
$1.31B
$3.41M 0.01%
74,014
+150
+0.2% +$6.69K
VNQI icon
597
Vanguard Global ex-US Real Estate ETF
VNQI
$3.51B
$3.41M 0.01%
60,612
+1,667
+3% +$92.9K
MUFG icon
598
Mitsubishi UFJ Financial
MUFG
$254B
$3.4M 0.01%
547,547
+43,988
+9% +$261K
FMI
599
DELISTED
Foundation Medicine, Inc.
FMI
$3.4M 0.01%
70,574
-16,580
-19% -$752K
XLNX
600
DELISTED
Xilinx Inc
XLNX
$3.38M 0.01%
79,851
-5,100
-6% -$209K

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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.