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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
+1.8%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+512.03%
AUM
$11.2B
AUM Growth
-$134M
Cap. Flow
-$132M
Cap. Flow %
-1.18%
Top 10 Hldgs %
17.1%
Holding
1,560
New
265
Increased
457
Reduced
545
Closed
146

Sector Composition

Rank Sector Weight
1 Healthcare 18.3%
2 Technology 15.54%
3 Financials 12.99%
4 Industrials 11.67%
5 Consumer Discretionary 10.13%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
PBPB
301
DELISTED
Potbelly
PBPB
$4.92M 0.04%
381,198
+45,896
+14% +$614K
MAS icon
302
Masco
MAS
$15.2B
$4.92M 0.04%
155,451
+91,725
+144% +$2.94M
IRDM icon
303
Iridium Communications
IRDM
$5.26B
$4.9M 0.04%
510,224
+65,586
+15% +$585K
ETP
304
DELISTED
Energy Transfer Partners, L.P.
ETP
$4.9M 0.04%
203,930
-37,915
-16% -$958K
MIDD icon
305
Middleby
MIDD
$6.27B
$4.88M 0.04%
37,903
+616
+2% +$77.5K
ZLTQ
306
DELISTED
ZELTIQ Aesthetics, Inc.
ZLTQ
$4.87M 0.04%
111,962
-10,183
-8% -$411K
EVER
307
DELISTED
Everbank Financial Corp
EVER
$4.87M 0.04%
250,211
-1,206
-0.5% -$23.3K
SPLV icon
308
Invesco S&P 500 Low Volatility ETF
SPLV
$7.23B
$4.84M 0.04%
116,361
+36,658
+46% +$1.49M
DST
309
DELISTED
DST Systems Inc.
DST
$4.82M 0.04%
89,990
+190
+0.2% +$10K
LQD icon
310
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
$33B
$4.67M 0.04%
39,836
+532
+1% +$63.2K
BDX icon
311
Becton Dickinson
BDX
$46.9B
$4.66M 0.04%
28,851
+1,552
+6% +$258K
SYY icon
312
Sysco
SYY
$39.7B
$4.64M 0.04%
83,847
-4,728
-5% -$246K
III icon
313
Information Services Group
III
$209M
$4.63M 0.04%
1,271,579
+4,500
+0.4% +$17.4K
MDY icon
314
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27.2B
$4.63M 0.04%
15,341
+1,323
+9% +$382K
TECH icon
315
Bio-Techne
TECH
$11.2B
$4.63M 0.04%
179,948
+3,000
+2% +$78.8K
HEFA icon
316
iShares Currency Hedged MSCI EAFE ETF
HEFA
$7.65B
$4.62M 0.04%
176,688
-1,882
-1% -$47.7K
MON
317
DELISTED
Monsanto Co
MON
$4.61M 0.04%
43,835
-287
-0.7% -$29.4K
MUB icon
318
iShares National Muni Bond ETF
MUB
$45.4B
$4.58M 0.04%
42,295
+14,808
+54% +$1.62M
IWS icon
319
iShares Russell Mid-Cap Value ETF
IWS
$16B
$4.53M 0.04%
56,310
-1,356
-2% -$106K
XLI icon
320
State Street Industrial Select Sector SPDR ETF
XLI
$33.9B
$4.51M 0.04%
72,545
+1,641
+2% +$98.9K
MRCY icon
321
Mercury Systems
MRCY
$6.79B
$4.5M 0.04%
148,739
-231
-0.2% -$6.56K
TROW icon
322
T. Rowe Price
TROW
$24.5B
$4.43M 0.04%
58,847
-19,593
-25% -$1.39M
PETX
323
DELISTED
Aratana Therapeutics, Inc.
PETX
$4.42M 0.04%
615,471
-34,060
-5% -$275K
XLNX
324
DELISTED
Xilinx Inc
XLNX
$4.42M 0.04%
73,129
-528
-0.7% -$28.4K
ZOES
325
DELISTED
Zoe's Kitchen, Inc.
ZOES
$4.41M 0.04%
183,827
-233,914
-56% -$5.52M

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William Blair & Company's Q4 2016 Portfolio in Review

As of Q4 2016, William Blair & Company held 1,560 positions worth $11.2B, down 1.2% from $11.3B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair & Company's Q4 2016 filing shows 265 new, 457 increased, 545 reduced and 146 closed positions. Its largest new stake was Hilton Worldwide: 158,405 shares worth $12.9M. The largest sale was Cerner Corp, an estimated $58.7M.

By sector, the portfolio is most concentrated in Healthcare at 18% of assets, down from 20% a quarter earlier, followed by Technology and Financials.

  • William Blair & Company's largest Q4 2016 buy was Hilton Worldwide: 158,405 shares worth $12.9M.
  • William Blair & Company added most to State Street SPDR S&P 500 ETF Trust in Q4 2016, an estimated $42.6M increase.
  • William Blair & Company's biggest Q4 2016 reduction was Cerner Corp, cutting an estimated $58.7M.
  • William Blair & Company fully exited PRESS GANEY HOLDINGS INC COM STK (DE) in Q4 2016, selling an estimated $24M.
  • William Blair & Company's ten largest holdings make up 17% of its $11.2B portfolio in Q4 2016.
  • William Blair & Company opened 265 new positions and closed 146 in Q4 2016.
  • William Blair & Company's portfolio value fell 1.2% quarter-over-quarter to $11.2B.

Based on William Blair & Company's 13F filing for Q4 2016, filed 14 Feb 2017.