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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
+6.55%
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
$25.7B
AUM Growth
-$2.19B
Cap. Flow
-$3.7B
Cap. Flow %
-14.37%
Top 10 Hldgs %
17.87%
Holding
463
New
30
Increased
148
Reduced
245
Closed
36

Top Sells

Rank Stock Value
1
WP
Worldpay, Inc.
WP
+$346M
2
SBAC icon
SBA Communications
SBAC
+$258M
3
CNC icon
Centene
CNC
+$212M
4
ALGN icon
Align Technology
ALGN
+$207M
5
BABA icon
Alibaba
BABA
+$194M

Sector Composition

Rank Sector Weight
1 Financials 14.64%
2 Consumer Discretionary 14.51%
3 Technology 13.93%
4 Industrials 13.62%
5 Healthcare 11.44%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
ITGR icon
226
Integer Holdings
ITGR
$4.25B
$22.8M 0.09%
503,659
-5,954
-1% -$290K
ADC icon
227
Agree Realty
ADC
$9.22B
$22.7M 0.09%
440,961
+58,502
+15% +$2.9M
BLD
228
DELISTED
TopBuild
BLD
$22.6M 0.09%
298,948
-38,359
-11% -$2.54M
RNST icon
229
Renasant Corp
RNST
$3.9B
$22.2M 0.09%
542,336
-4,736
-0.9% -$198K
EQC
230
DELISTED
Equity Commonwealth
EQC
$22.2M 0.09%
726,784
+133,684
+23% +$4.05M
IBKC
231
DELISTED
IBERIABANK Corp
IBKC
$22.2M 0.09%
285,852
-1,973
-0.7% -$152K
EME icon
232
Emcor
EME
$35.7B
$21.9M 0.09%
267,904
-30,795
-10% -$2.39M
CNMD icon
233
CONMED
CNMD
$1.48B
$21.8M 0.08%
427,008
-4,949
-1% -$258K
SHOO icon
234
Steven Madden
SHOO
$3.58B
$21.7M 0.08%
696,890
-452,956
-39% -$12.7M
RRC icon
235
Range Resources
RRC
$9.41B
$21.7M 0.08%
1,269,506
+494,006
+64% +$8.89M
MDP
236
DELISTED
Meredith Corporation
MDP
$21M 0.08%
318,267
-2,926
-0.9% -$176K
HBM icon
237
Hudbay
HBM
$12.4B
$20.8M 0.08%
2,340,112
-70,934
-3% -$553K
RSPP
238
DELISTED
RSP Permian, Inc.
RSPP
$20.6M 0.08%
507,122
-7,092
-1% -$255K
DAR icon
239
Darling Ingredients
DAR
$9.99B
$20.6M 0.08%
1,137,695
-15,926
-1% -$275K
BPFH
240
DELISTED
Boston Private Financial Holdings, Inc.
BPFH
$20.6M 0.08%
1,331,721
-18,630
-1% -$297K
PEB icon
241
Pebblebrook Hotel Trust
PEB
$2B
$20.4M 0.08%
550,045
-69,599
-11% -$2.57M
SXI icon
242
Standex International
SXI
$3.98B
$20.3M 0.08%
199,743
-2,773
-1% -$286K
BANR icon
243
Banner Corp
BANR
$2.43B
$20.3M 0.08%
369,037
-5,168
-1% -$300K
CVCO icon
244
Cavco Industries
CVCO
$4.48B
$20.3M 0.08%
133,253
-17,148
-11% -$2.58M
ATHM icon
245
Autohome
ATHM
$2.71B
$19.8M 0.08%
306,335
-113,226
-27% -$6.83M
SBCF icon
246
Seacoast Banking Corp of Florida
SBCF
$3.37B
$19.8M 0.08%
784,718
-10,937
-1% -$274K
ADTN icon
247
Adtran
ADTN
$622M
$19.7M 0.08%
1,018,565
-10,820
-1% -$240K
AVNT icon
248
Avient
AVNT
$4.19B
$19.7M 0.08%
452,567
-3,453
-0.8% -$152K
DESP
249
DELISTED
Despegar.com
DESP
$19.2M 0.07%
698,277
-189,148
-21% -$5.43M
UFPI icon
250
UFP Industries
UFPI
$5.01B
$19.2M 0.07%
510,006
+450,306
+754% +$16.6M

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William Blair Investment Management's Q4 2017 Portfolio in Review

As of Q4 2017, William Blair Investment Management held 463 positions worth $25.7B, down 7.9% from $27.9B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair Investment Management withdrew a net $3.7B in Q4 2017, closing 36 positions and reducing 245 holdings. Its most notable exit was Worldpay, Inc., an estimated $346M position sold in full.

By sector, the portfolio is most concentrated in Financials at 15% of assets, up from 13% a quarter earlier, followed by Consumer Discretionary and Technology.

Against the trend, William Blair Investment Management opened a new position in Teledyne Technologies worth $121M.

  • William Blair Investment Management's largest Q4 2017 buy was Teledyne Technologies: 669,495 shares worth $121M.
  • William Blair Investment Management added most to State Street SPDR S&P 500 ETF Trust in Q4 2017, an estimated $206M increase.
  • William Blair Investment Management's biggest Q4 2017 reduction was SBA Communications, cutting an estimated $258M.
  • William Blair Investment Management fully exited Worldpay, Inc. in Q4 2017, selling an estimated $346M.
  • William Blair Investment Management's ten largest holdings make up 18% of its $25.7B portfolio in Q4 2017.
  • William Blair Investment Management opened 30 new positions and closed 36 in Q4 2017.
  • William Blair Investment Management's portfolio value fell 7.9% quarter-over-quarter to $25.7B.

Based on William Blair Investment Management's 13F filing for Q4 2017, filed 14 Feb 2018.