We are live on ! Find out more
William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $33.3B
1-Year Est. Return 44.76%
This Fund
S&P 500
This Quarter Est. Return
+7.86%
1 Year Est. Return
+44.76%
3 Year Est. Return
+140.8%
5 Year Est. Return
+166.51%
10 Year Est. Return
+978.6%
AUM
$28.9B
AUM Growth
+$2.01B
Cap. Flow
+$420M
Cap. Flow %
1.46%
Top 10 Hldgs %
17.78%
Holding
509
New
33
Increased
212
Reduced
167
Closed
90

Top Buys

Rank Stock Value
1
RCI icon
Rogers Communications
RCI
+$228M
2
BN icon
Brookfield
BN
+$96.9M
3
EEFT icon
Euronet Worldwide
EEFT
+$92.3M
4
TFX icon
Teleflex
TFX
+$84.9M
5
P
Everpure Inc
P
+$79.7M

Top Sells

Rank Stock Value
1
YUMC icon
Yum China
YUMC
+$188M
2
CRL icon
Charles River Laboratories
CRL
+$188M
3
FND icon
Floor & Decor
FND
+$129M
4
TWOU
2U Inc
TWOU
+$87.5M
5
MTN icon
Vail Resorts
MTN
+$71.8M

Sector Composition

Rank Sector Weight
1 Technology 16.83%
2 Healthcare 15.47%
3 Industrials 13.49%
4 Consumer Discretionary 13%
5 Financials 12.64%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
CBPX
276
DELISTED
CONTINENTAL BUILDING PRODUCTS, INC.
CBPX
$16.8M 0.06%
446,171
-33,671
-7% -$1.2M
SEI
277
Solaris Energy Infrastructure
SEI
$3.87B
$16.7M 0.06%
883,151
-66,256
-7% -$1.06M
AGYS icon
278
Agilysys
AGYS
$3.01B
$16.6M 0.06%
1,018,829
+438,842
+76% +$7.04M
MDP
279
DELISTED
Meredith Corporation
MDP
$16.6M 0.06%
324,746
+37,279
+13% +$1.95M
NUAN
280
DELISTED
Nuance Communications, Inc.
NUAN
$16.5M 0.06%
+1,103,489
New +$15.3M
CWST icon
281
Casella Waste Systems
CWST
$5.89B
$16.5M 0.06%
+532,563
New +$15.1M
UMPQ
282
DELISTED
Umpqua Holdings Corp
UMPQ
$16.4M 0.06%
790,368
-55,011
-7% -$1.2M
MTX icon
283
Minerals Technologies
MTX
$2.3B
$16.4M 0.06%
242,944
-17,042
-7% -$1.2M
PR
284
Permian Resources
PR
$18B
$16.3M 0.06%
746,956
+396,185
+113% +$7.45M
MATX icon
285
Matsons
MATX
$6.11B
$16.3M 0.06%
410,633
+23,214
+6% +$860K
DAN icon
286
Dana Inc
DAN
$3.27B
$16.3M 0.06%
870,456
+99,840
+13% +$2.01M
OEC icon
287
Orion
OEC
$377M
$16.1M 0.06%
502,752
+53,843
+12% +$1.79M
CIEN icon
288
Ciena
CIEN
$54.9B
$16M 0.06%
513,278
-40,768
-7% -$1.14M
CVGW
289
DELISTED
Calavo Growers
CVGW
$16M 0.06%
165,821
+22,730
+16% +$2.25M
OCFC icon
290
OceanFirst Financial
OCFC
$1.84B
$15.9M 0.06%
584,597
-44,159
-7% -$1.29M
NPKI
291
NPK International
NPKI
$1.18B
$15.9M 0.06%
1,535,348
+143,541
+10% +$1.47M
BPFH
292
DELISTED
Boston Private Financial Holdings, Inc.
BPFH
$15.9M 0.05%
1,162,181
-88,083
-7% -$1.29M
ESE icon
293
ESCO Technologies
ESE
$7.65B
$15.8M 0.05%
232,422
+29,184
+14% +$1.89M
TILE icon
294
Interface
TILE
$2.24B
$15.8M 0.05%
675,180
-64,663
-9% -$1.5M
EQC
295
DELISTED
Equity Commonwealth
EQC
$15.7M 0.05%
488,115
-33,079
-6% -$1.05M
MRCY icon
296
Mercury Systems
MRCY
$6.55B
$15.6M 0.05%
282,735
+37,329
+15% +$1.81M
CNO icon
297
CNO Financial Group
CNO
$5.05B
$15.6M 0.05%
733,517
-51,069
-7% -$1.07M
ANF icon
298
Abercrombie & Fitch
ANF
$5.24B
$15.5M 0.05%
734,758
+285,857
+64% +$6.93M
SASR
299
DELISTED
Sandy Spring Bancorp Inc
SASR
$15.5M 0.05%
393,751
-29,819
-7% -$1.19M
ORBC
300
DELISTED
ORBCOMM, Inc.
ORBC
$15.2M 0.05%
1,402,201
+284,276
+25% +$3.01M

Similar funds

William Blair Investment Management's Q3 2018 Portfolio in Review

As of Q3 2018, William Blair Investment Management held 509 positions worth $28.9B, up 7.5% from $26.9B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair Investment Management's Q3 2018 filing shows 33 new, 212 increased, 167 reduced and 90 closed positions. Its largest new stake was Rogers Communications: 4,461,925 shares worth $229M. The largest sale was Yum China, an estimated $188M.

By sector, the portfolio is most concentrated in Technology at 17% of assets, up from 15% a quarter earlier, followed by Healthcare and Industrials.

  • William Blair Investment Management's largest Q3 2018 buy was Rogers Communications: 4,461,925 shares worth $229M.
  • William Blair Investment Management added most to Brookfield in Q3 2018, an estimated $96.9M increase.
  • William Blair Investment Management's biggest Q3 2018 reduction was Vail Resorts, cutting an estimated $71.8M.
  • William Blair Investment Management fully exited Yum China in Q3 2018, selling an estimated $188M.
  • William Blair Investment Management's ten largest holdings make up 18% of its $28.9B portfolio in Q3 2018.
  • William Blair Investment Management opened 33 new positions and closed 90 in Q3 2018.
  • William Blair Investment Management's portfolio value rose 7.5% quarter-over-quarter to $28.9B.

Based on William Blair Investment Management's 13F filing for Q3 2018, filed 13 Nov 2018.