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William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $30.3B
1-Year Est. Return 33.75%
This Fund
S&P 500
This Quarter Est. Return
+1.38%
1 Year Est. Return
+33.75%
3 Year Est. Return
+108.55%
5 Year Est. Return
+126.9%
10 Year Est. Return
+788.31%
AUM
$25.2B
AUM Growth
+$541M
Cap. Flow
+$455M
Cap. Flow %
1.8%
Top 10 Hldgs %
14.45%
Holding
499
New
55
Increased
184
Reduced
204
Closed
49

Top Buys

Rank Stock Value
1
WTW icon
Willis Towers Watson
WTW
+$201M
2
XRAY icon
Dentsply Sirona
XRAY
+$172M
3
CSRA
CSRA Inc.
CSRA
+$164M
4
ZTS icon
Zoetis
ZTS
+$137M
5
AKAM icon
Akamai
AKAM
+$125M

Top Sells

Rank Stock Value
1
SIRO
SIRONA DENTAL SYSTEMS INC COM STK
SIRO
+$199M
2
TW
TOWERS WATSON & CO COM STK CL A (DE)
TW
+$169M
3
PII icon
Polaris
PII
+$169M
4
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$152M
5
MDVN
MEDIVATION, INC.
MDVN
+$151M

Sector Composition

Rank Sector Weight
1 Healthcare 14.5%
2 Financials 12.48%
3 Technology 11.87%
4 Consumer Discretionary 11.84%
5 Industrials 11.39%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
EW icon
226
Edwards Lifesciences
EW
$54B
$16.5M 0.07%
+560,793
New +$15.5M
ALE
227
DELISTED
Allete
ALE
$16.5M 0.07%
293,918
-21,541
-7% -$1.15M
PEB icon
228
Pebblebrook Hotel Trust
PEB
$2.01B
$16.4M 0.07%
565,170
-6,405
-1% -$166K
MATX icon
229
Matsons
MATX
$6.11B
$16.2M 0.06%
403,992
+9,786
+2% +$383K
ITGR icon
230
Integer Holdings
ITGR
$4.25B
$16.1M 0.06%
451,594
-36,993
-8% -$1.3M
LFUS icon
231
Littelfuse
LFUS
$11.5B
$15.9M 0.06%
129,321
-29,526
-19% -$3.25M
SLGN icon
232
Silgan Holdings
SLGN
$4.35B
$15.8M 0.06%
592,614
+25,012
+4% +$649K
SHO icon
233
Sunstone Hotel Investors
SHO
$1.98B
$15.7M 0.06%
1,121,357
+20,417
+2% +$251K
DAR icon
234
Darling Ingredients
DAR
$9.84B
$15.5M 0.06%
1,178,265
+274,349
+30% +$2.76M
BBT
235
Beacon Financial Corp
BBT
$2.66B
$15.1M 0.06%
560,659
+88,966
+19% +$2.38M
MDP
236
DELISTED
Meredith Corporation
MDP
$14.7M 0.06%
308,858
-3,818
-1% -$162K
CIR
237
DELISTED
CIRCOR International, Inc
CIR
$14.6M 0.06%
315,399
+41,844
+15% +$1.63M
PDCE
238
DELISTED
PDC Energy, Inc.
PDCE
$14.6M 0.06%
245,990
-3,062
-1% -$160K
IWO icon
239
iShares Russell 2000 Growth ETF
IWO
$14.9B
$14.6M 0.06%
110,240
+82,280
+294% +$10.3M
KAI icon
240
Kadant
KAI
$4B
$14.5M 0.06%
321,033
-2,379
-0.7% -$94.3K
MRD
241
DELISTED
MEMORIAL RESOURCE DEV CORP COM STK (DE)
MRD
$14.1M 0.06%
1,384,953
+301,335
+28% +$3.56M
SXI icon
242
Standex International
SXI
$3.97B
$14.1M 0.06%
180,868
-2,034
-1% -$148K
EGP icon
243
EastGroup Properties
EGP
$10.8B
$13.8M 0.05%
229,039
-2,920
-1% -$159K
EFA icon
244
iShares MSCI EAFE ETF
EFA
$79.9B
$13.8M 0.05%
241,500
+16,606
+7% +$915K
GCO icon
245
Genesco
GCO
$409M
$13.5M 0.05%
186,587
-2,312
-1% -$149K
AIRM
246
DELISTED
Air Methods Corp
AIRM
$13.2M 0.05%
365,212
+24,869
+7% +$943K
MGLN
247
DELISTED
Magellan Health Services, Inc.
MGLN
$13.1M 0.05%
192,175
+9,473
+5% +$570K
CHDN icon
248
Churchill Downs
CHDN
$6.18B
$13M 0.05%
+525,834
New +$12M
FRGI
249
DELISTED
Fiesta Restaurant Group, Inc.
FRGI
$12.9M 0.05%
+394,535
New +$13.9M
FCN icon
250
FTI Consulting
FCN
$4.22B
$12.4M 0.05%
349,032
+55,248
+19% +$1.85M
8 9
10
11 12

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William Blair Investment Management's Q1 2016 Portfolio in Review

As of Q1 2016, William Blair Investment Management held 499 positions worth $25.2B, up 2.2% from $24.7B the previous quarter. Its ten largest holdings account for 14% of the portfolio.

William Blair Investment Management's Q1 2016 filing shows 55 new, 184 increased, 204 reduced and 49 closed positions. Its largest new stake was Willis Towers Watson: 1,741,517 shares worth $207M. The largest sale was SIRONA DENTAL SYSTEMS INC COM STK, an estimated $199M.

By sector, the portfolio is most concentrated in Healthcare at 14% of assets, up from 13% a quarter earlier, followed by Financials and Technology.

  • William Blair Investment Management's largest Q1 2016 buy was Willis Towers Watson: 1,741,517 shares worth $207M.
  • William Blair Investment Management added most to Zoetis in Q1 2016, an estimated $137M increase.
  • William Blair Investment Management's biggest Q1 2016 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $152M.
  • William Blair Investment Management fully exited SIRONA DENTAL SYSTEMS INC COM STK in Q1 2016, selling an estimated $199M.
  • William Blair Investment Management's ten largest holdings make up 14% of its $25.2B portfolio in Q1 2016.
  • William Blair Investment Management opened 55 new positions and closed 49 in Q1 2016.
  • William Blair Investment Management's portfolio value rose 2.2% quarter-over-quarter to $25.2B.

Based on William Blair Investment Management's 13F filing for Q1 2016, filed 16 May 2016.