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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
HW
476
DELISTED
Headwaters Inc
HW
$7.24M 0.01%
+394,470
New +$6.2M
DD
477
DELISTED
Du Pont De Nemours E I
DD
$7.21M 0.01%
106,213
-17,674
-14% -$1.26M
BP icon
478
BP
BP
$107B
$7.15M 0.01%
220,236
-263
-0.1% -$8.61K
CMCSA icon
479
Comcast
CMCSA
$90B
$7.14M 0.01%
252,880
-3,634
-1% -$104K
RAX
480
DELISTED
Rackspace Hosting Inc
RAX
$7.12M 0.01%
138,021
+22,885
+20% +$1.12M
DL
481
DELISTED
China Distance Education Holdings Limited
DL
$7.02M 0.01%
418,916
+8,929
+2% +$150K
MRCC
482
DELISTED
Monroe Capital Corp
MRCC
$6.91M 0.01%
469,042
+33,550
+8% +$493K
EXC icon
483
Exelon
EXC
$47B
$6.88M 0.01%
287,174
+61,781
+27% +$1.53M
XEC
484
DELISTED
CIMAREX ENERGY CO
XEC
$6.8M 0.01%
59,129
-475
-0.8% -$51K
SM icon
485
SM Energy
SM
$6.92B
$6.71M 0.01%
129,852
+123,902
+2,082% +$5.38M
QUOT
486
DELISTED
Quotient Technology Inc
QUOT
$6.71M 0.01%
+571,394
New +$7.44M
GRUB
487
DELISTED
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
$6.7M 0.01%
73,855
+20,940
+40% +$1.69M
AGG icon
488
iShares Core US Aggregate Bond ETF
AGG
$138B
$6.6M 0.01%
59,255
+7,000
+13% +$778K
AAL icon
489
American Airlines Group
AAL
$10.6B
$6.55M 0.01%
124,195
-25,405
-17% -$1.29M
SREV
490
DELISTED
ServiceSource International, Inc.
SREV
$6.55M 0.01%
2,113,084
-690,917
-25% -$2.53M
SCOR icon
491
Comscore
SCOR
$109M
$6.53M 0.01%
+6,381
New +$6.01M
MON
492
DELISTED
Monsanto Co
MON
$6.52M 0.01%
57,951
-3,282
-5% -$390K
IWS icon
493
iShares Russell Mid-Cap Value ETF
IWS
$16B
$6.51M 0.01%
86,477
+6,412
+8% +$478K
HLF icon
494
Herbalife
HLF
$1.29B
$6.49M 0.01%
+303,692
New +$5.19M
AIG icon
495
American International
AIG
$41.8B
$6.48M 0.01%
118,244
-363,219
-75% -$19.5M
CB
496
DELISTED
CHUBB CORPORATION
CB
$6.47M 0.01%
64,033
-185
-0.3% -$18.7K
ET icon
497
Energy Transfer Partners
ET
$69.3B
$6.46M 0.01%
203,984
+22,960
+13% +$680K
VOO icon
498
Vanguard S&P 500 ETF
VOO
$1.01T
$6.44M 0.01%
34,037
+4,420
+15% +$837K
CACB
499
DELISTED
Cascade Bancorp
CACB
$6.36M 0.01%
+1,324,642
New +$6.33M
AMT icon
500
American Tower
AMT
$80.4B
$6.34M 0.01%
67,381
+3,811
+6% +$371K

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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.