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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
KCG
226
DELISTED
KCG Holdings, Inc.
KCG
$29.1M 0.04%
2,372,413
-103,869
-4% -$1.28M
INTU icon
227
Intuit
INTU
$89.7B
$28.4M 0.04%
293,075
-3,384
-1% -$314K
DNKN
228
DELISTED
Dunkin' Brands Group, Inc.
DNKN
$28.3M 0.04%
595,187
+103,413
+21% +$4.8M
BLK icon
229
Blackrock
BLK
$176B
$28M 0.04%
76,452
-760
-1% -$275K
VYM icon
230
Vanguard High Dividend Yield ETF
VYM
$82.5B
$27.7M 0.04%
405,236
+13,939
+4% +$958K
WAL icon
231
Western Alliance Bancorporation
WAL
$9.05B
$27.5M 0.04%
926,360
+13,434
+1% +$374K
HF
232
DELISTED
HFF Inc.
HF
$27.3M 0.04%
726,501
-18,964
-3% -$682K
IPHI
233
DELISTED
INPHI CORPORATION
IPHI
$27.2M 0.04%
1,523,270
-462,143
-23% -$8.68M
NXTM
234
DELISTED
NxStage Medical Inc.
NXTM
$27.1M 0.04%
1,565,758
-1,084,306
-41% -$19.2M
UAA icon
235
Under Armour
UAA
$2.92B
$27M 0.04%
669,296
+85,698
+15% +$3.15M
PRLB icon
236
Protolabs
PRLB
$2.16B
$26.7M 0.04%
380,878
-33,808
-8% -$2.29M
VEA icon
237
Vanguard FTSE Developed Markets ETF
VEA
$234B
$26.6M 0.04%
667,470
+157,378
+31% +$6.17M
GK
238
DELISTED
G&K Services Inc
GK
$26.3M 0.04%
362,804
-29,068
-7% -$2.06M
WMT icon
239
Walmart Inc
WMT
$894B
$26.2M 0.04%
954,546
-3,810
-0.4% -$108K
ILMN icon
240
Illumina
ILMN
$30.2B
$25.7M 0.04%
142,321
+290
+0.2% +$54.6K
PEB icon
241
Pebblebrook Hotel Trust
PEB
$2.15B
$25.6M 0.04%
548,688
+10,858
+2% +$518K
ABCO
242
DELISTED
Advisory Board Co
ABCO
$25.1M 0.04%
470,613
+122,022
+35% +$6.22M
PEP icon
243
PepsiCo
PEP
$189B
$24.9M 0.04%
260,653
-19,953
-7% -$1.93M
MMM icon
244
3M
MMM
$93.9B
$24.9M 0.04%
180,406
-9,410
-5% -$1.3M
IWO icon
245
iShares Russell 2000 Growth ETF
IWO
$14.9B
$24.7M 0.04%
163,055
+120,092
+280% +$17.5M
NKE icon
246
Nike
NKE
$63B
$24.6M 0.04%
491,282
+38,068
+8% +$1.82M
AAT
247
American Assets Trust
AAT
$1.42B
$24.6M 0.04%
569,101
+54,200
+11% +$2.32M
ITGR icon
248
Integer Holdings
ITGR
$4.25B
$24.6M 0.04%
466,488
+6,424
+1% +$305K
SYK icon
249
Stryker
SYK
$129B
$24.6M 0.04%
266,203
+2,987
+1% +$278K
IVZ icon
250
Invesco
IVZ
$14.1B
$24.5M 0.04%
616,525
-61,401
-9% -$2.4M

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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.