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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
IMAX icon
351
IMAX
IMAX
$2.73B
$15.9M 0.02%
471,863
+36,595
+8% +$1.22M
ATML
352
DELISTED
ATMEL CORP
ATML
$15.9M 0.02%
1,931,565
+42,419
+2% +$356K
SLGN icon
353
Silgan Holdings
SLGN
$4.39B
$15.7M 0.02%
541,132
+7,524
+1% +$209K
EXAM
354
DELISTED
EXAMWORKS GROUP INC COM STK (DE)
EXAM
$15.7M 0.02%
377,335
-1,089,465
-74% -$43.9M
EFOR
355
Everforth Inc
EFOR
$1.29B
$15.6M 0.02%
407,746
+34,213
+9% +$1.25M
GNRC icon
356
Generac Holdings
GNRC
$12.5B
$15.6M 0.02%
321,317
+58,929
+22% +$2.81M
YDKN
357
DELISTED
Yadkin Financial Corporation
YDKN
$15.5M 0.02%
765,127
+13,209
+2% +$256K
PAA icon
358
Plains All American Pipeline
PAA
$16.6B
$15.5M 0.02%
316,895
+26,471
+9% +$1.31M
EVTC icon
359
Evertec
EVTC
$1.85B
$15.2M 0.02%
695,219
-34,312
-5% -$725K
RTI
360
DELISTED
RTI INTL METALS INC(HLDG CO)
RTI
$15.1M 0.02%
420,245
+2,481
+0.6% +$69.6K
GCO icon
361
Genesco
GCO
$428M
$15M 0.02%
210,961
+3,105
+1% +$225K
BBSI icon
362
Barrett Business Services
BBSI
$802M
$15M 0.02%
1,397,132
+134,404
+11% +$1.22M
DFS
363
DELISTED
Discover Financial Services
DFS
$14.9M 0.02%
264,104
-147,156
-36% -$8.71M
MXL icon
364
MaxLinear
MXL
$6.37B
$14.8M 0.02%
1,824,007
+53,679
+3% +$442K
TRIB
365
Trinity Biotech
TRIB
$7.86M
$14.8M 0.02%
5,133
+1,114
+28% +$3.09M
DAN icon
366
Dana Inc
DAN
$2.94B
$14.8M 0.02%
699,913
+9,882
+1% +$213K
WPZ
367
DELISTED
Williams Partners L.P.
WPZ
$14.7M 0.02%
298,080
+126,378
+74% +$6.16M
SJI
368
DELISTED
South Jersey Industries, Inc.
SJI
$14.6M 0.02%
537,368
-97,176
-15% -$2.77M
VEEV icon
369
Veeva Systems
VEEV
$35.4B
$14.5M 0.02%
+569,811
New +$16.1M
SXI icon
370
Standex International
SXI
$4.09B
$14.3M 0.02%
174,061
+32,532
+23% +$2.41M
OSIS icon
371
OSI Systems
OSIS
$3.91B
$14.2M 0.02%
191,206
+14,803
+8% +$1.06M
ETD icon
372
Ethan Allen Interiors
ETD
$598M
$14.1M 0.02%
510,005
+62,621
+14% +$1.78M
MNRO icon
373
Monro
MNRO
$388M
$13.9M 0.02%
212,949
+65,482
+44% +$4.01M
HOUS
374
DELISTED
Anywhere Real Estate
HOUS
$13.8M 0.02%
303,794
+3,320
+1% +$153K
NOW icon
375
ServiceNow
NOW
$121B
$13.8M 0.02%
876,630
+84,935
+11% +$1.25M

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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.