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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

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
SPTN
201
DELISTED
SpartanNash
SPTN
$19.4M 0.08%
638,539
-4,891
-0.8% -$115K
HOLI
202
DELISTED
Hollsys Automation Technologies INTERNATIONAL, LTD. COMMON (British Virgin Island)
HOLI
$19.3M 0.08%
918,220
-162,455
-15% -$3.04M
FAF icon
203
First American
FAF
$7.32B
$19.2M 0.08%
502,686
-6,098
-1% -$217K
POR icon
204
Portland General Electric
POR
$5.69B
$19.1M 0.08%
484,695
-5,072
-1% -$194K
RNST icon
205
Renasant Corp
RNST
$3.92B
$19.1M 0.08%
580,170
-6,118
-1% -$195K
DEI icon
206
Douglas Emmett
DEI
$1.92B
$19.1M 0.08%
632,957
-73,750
-10% -$2.09M
IBKC
207
DELISTED
IBERIABANK Corp
IBKC
$19M 0.08%
370,716
+46,012
+14% +$2.25M
PACW
208
DELISTED
PacWest Bancorp
PACW
$18.7M 0.07%
502,697
-5,840
-1% -$207K
EXPR
209
DELISTED
Express, Inc.
EXPR
$18.6M 0.07%
43,544
-688
-2% -$247K
AKR icon
210
Acadia Realty Trust
AKR
$2.83B
$18.6M 0.07%
529,933
-154,608
-23% -$5.14M
APOG icon
211
Apogee Enterprises
APOG
$904M
$18.5M 0.07%
+420,840
New +$16.7M
PE
212
DELISTED
PARSLEY ENERGY INC
PE
$18.4M 0.07%
+815,397
New +$15.1M
CNMD icon
213
CONMED
CNMD
$1.48B
$18.4M 0.07%
438,039
+52,623
+14% +$2.07M
OZK icon
214
Bank OZK
OZK
$5.66B
$17.8M 0.07%
424,792
+89,196
+27% +$3.76M
TILE icon
215
Interface
TILE
$2.24B
$17.8M 0.07%
959,449
-10,937
-1% -$184K
PB icon
216
Prosperity Bancshares
PB
$8.85B
$17.6M 0.07%
378,529
+72,415
+24% +$3.06M
SXT icon
217
Sensient Technologies
SXT
$5.61B
$17.4M 0.07%
274,556
-2,972
-1% -$175K
HOMB icon
218
Home BancShares
HOMB
$6.2B
$17.3M 0.07%
845,012
-9,432
-1% -$185K
RDN icon
219
Radian Group
RDN
$4.86B
$17.1M 0.07%
1,381,993
+107,179
+8% +$1.22M
COBZ
220
DELISTED
CoBiz Financial,Inc
COBZ
$17M 0.07%
1,435,670
-72,844
-5% -$819K
SR icon
221
Spire
SR
$4.87B
$16.9M 0.07%
249,423
-2,892
-1% -$184K
AVNT icon
222
Avient
AVNT
$4.17B
$16.9M 0.07%
557,920
+18,879
+4% +$519K
PXD
223
DELISTED
Pioneer Natural Resource Co.
PXD
$16.8M 0.07%
119,106
+8,246
+7% +$1.02M
MTX icon
224
Minerals Technologies
MTX
$2.3B
$16.7M 0.07%
293,484
-3,519
-1% -$164K
YDKN
225
DELISTED
Yadkin Financial Corporation
YDKN
$16.6M 0.07%
699,651
-7,349
-1% -$166K

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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.