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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
+1.57%
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
$23.4B
AUM Growth
-$452M
Cap. Flow
-$478M
Cap. Flow %
-2.05%
Top 10 Hldgs %
20.73%
Holding
398
New
26
Increased
153
Reduced
172
Closed
41

Sector Composition

Rank Sector Weight
1 Technology 20.24%
2 Healthcare 13.8%
3 Consumer Discretionary 13.77%
4 Industrials 13.46%
5 Financials 13.14%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
STL
226
DELISTED
Sterling Bancorp
STL
$17.2M 0.07%
858,784
-55,106
-6% -$1.12M
RPAY icon
227
Repay Holdings
RPAY
$306M
$17.1M 0.07%
+1,285,425
New +$15.7M
WNS
228
DELISTED
WNS Holdings
WNS
$17M 0.07%
289,581
+12,921
+5% +$789K
SJI
229
DELISTED
South Jersey Industries, Inc.
SJI
$16.9M 0.07%
514,523
+65,593
+15% +$2.14M
BANR icon
230
Banner Corp
BANR
$2.47B
$16.8M 0.07%
299,694
-18,430
-6% -$1.02M
MATX icon
231
Matsons
MATX
$6.11B
$16.7M 0.07%
445,823
+42,899
+11% +$1.63M
KN icon
232
Knowles
KN
$3.29B
$16.7M 0.07%
+820,132
New +$16.1M
DKS icon
233
Dick's Sporting Goods
DKS
$18.4B
$16.6M 0.07%
406,885
-25,266
-6% -$910K
AVT icon
234
Avnet
AVT
$7.87B
$16.6M 0.07%
372,984
-23,726
-6% -$1.03M
EPAM icon
235
EPAM Systems
EPAM
$5.15B
$16.5M 0.07%
90,635
+15,146
+20% +$2.85M
TRHC
236
DELISTED
Tabula Rasa HealthCare, Inc. Common Stock
TRHC
$16.5M 0.07%
+300,685
New +$17.2M
MRCY icon
237
Mercury Systems
MRCY
$6.55B
$16.4M 0.07%
202,010
-55,426
-22% -$4.38M
WCN
238
Waste Connections
WCN
$42B
$16.4M 0.07%
178,192
+1,160
+0.7% +$107K
CPE
239
DELISTED
Callon Petroleum Company
CPE
$16.3M 0.07%
374,921
+42,452
+13% +$2.07M
WSFS icon
240
WSFS Financial
WSFS
$4.14B
$16M 0.07%
363,815
-23,367
-6% -$983K
FNB icon
241
FNB Corp
FNB
$6.8B
$15.9M 0.07%
1,381,201
-88,810
-6% -$1M
PACW
242
DELISTED
PacWest Bancorp
PACW
$15.9M 0.07%
437,734
+37,905
+9% +$1.37M
EWM icon
243
iShares MSCI Malaysia ETF
EWM
$331M
$15.9M 0.07%
569,300
+15,110
+3% +$431K
OSW icon
244
OneSpaWorld
OSW
$2.64B
$15.8M 0.07%
1,017,240
-251,116
-20% -$3.94M
SBCF icon
245
Seacoast Banking Corp of Florida
SBCF
$3.42B
$15.8M 0.07%
622,357
-38,213
-6% -$960K
OEC icon
246
Orion
OEC
$377M
$15.7M 0.07%
939,028
+212,997
+29% +$3.48M
NBHC icon
247
National Bank Holdings
NBHC
$1.92B
$15.7M 0.07%
458,084
-29,489
-6% -$1.03M
CDXS icon
248
Codexis
CDXS
$159M
$15.7M 0.07%
1,141,295
+245,692
+27% +$3.86M
RNST icon
249
Renasant Corp
RNST
$3.92B
$15.6M 0.07%
445,659
-29,292
-6% -$1M
DIN icon
250
Dine Brands
DIN
$454M
$15.2M 0.07%
200,565
+40,527
+25% +$3.32M

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William Blair Investment Management's Q3 2019 Portfolio in Review

As of Q3 2019, William Blair Investment Management held 398 positions worth $23.4B, down 1.9% from $23.8B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair Investment Management's Q3 2019 filing shows 26 new, 153 increased, 172 reduced and 41 closed positions. Its largest new stake was IAA, Inc. Common Stock: 2,969,390 shares worth $124M. The largest sale was Rogers Communications, an estimated $201M.

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

  • William Blair Investment Management's largest Q3 2019 buy was IAA, Inc. Common Stock: 2,969,390 shares worth $124M.
  • William Blair Investment Management added most to State Street SPDR S&P 500 ETF Trust in Q3 2019, an estimated $128M increase.
  • William Blair Investment Management's biggest Q3 2019 reduction was CoStar Group, cutting an estimated $173M.
  • William Blair Investment Management fully exited Rogers Communications in Q3 2019, selling an estimated $201M.
  • William Blair Investment Management's ten largest holdings make up 21% of its $23.4B portfolio in Q3 2019.
  • William Blair Investment Management opened 26 new positions and closed 41 in Q3 2019.
  • William Blair Investment Management's portfolio value fell 1.9% quarter-over-quarter to $23.4B.

Based on William Blair Investment Management's 13F filing for Q3 2019, filed 12 Nov 2019.