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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
PRTS icon
351
CarParts.com
PRTS
$51M
$4.73M 0.02%
187,711
-60,392
-24% -$1.5M
SLP icon
352
Simulations Plus
SLP
$371M
$4.69M 0.02%
291,485
-46,621
-14% -$766K
GRFS
353
Grifois
GRFS
$5.44B
$4.59M 0.02%
200,335
+42,107
+27% +$935K
NNN icon
354
NNN REIT
NNN
$8.71B
$4.46M 0.02%
103,301
+718
+0.7% +$30.1K
AJG icon
355
Arthur J. Gallagher & Co
AJG
$64.4B
$4.31M 0.02%
68,041
+11,202
+20% +$716K
UN
356
DELISTED
Unilever NV New York Registry Shares
UN
$4.2M 0.02%
74,607
-30,721
-29% -$1.77M
TTM
357
DELISTED
Tata Motors Limited
TTM
$4.17M 0.02%
+126,036
New +$4.07M
ALB icon
358
Albemarle
ALB
$15.5B
$4.05M 0.02%
31,709
+3,828
+14% +$519K
WLDN icon
359
Willdan Group
WLDN
$1.28B
$4M 0.02%
166,936
-26,856
-14% -$729K
ZVO
360
DELISTED
Zovio Inc. Common Stock
ZVO
$3.84M 0.01%
462,574
-74,020
-14% -$685K
ACC
361
DELISTED
American Campus Communities, Inc.
ACC
$3.77M 0.01%
91,858
-145,732
-61% -$6.23M
COLB icon
362
Columbia Banking Systems
COLB
$8.92B
$3.73M 0.01%
85,992
+35,982
+72% +$1.57M
SAP icon
363
SAP
SAP
$243B
$3.67M 0.01%
32,691
+72
+0.2% +$8.14K
CAT icon
364
Caterpillar
CAT
$396B
$3.67M 0.01%
+23,258
New +$3.23M
SMFG icon
365
Sumitomo Mitsui Financial
SMFG
$161B
$3.63M 0.01%
417,878
+898
+0.2% +$7.28K
BUD icon
366
AB InBev
BUD
$159B
$3.48M 0.01%
31,218
+68
+0.2% +$8K
CGNX icon
367
Cognex
CGNX
$10.9B
$3.48M 0.01%
+56,870
New +$3.62M
DEI icon
368
Douglas Emmett
DEI
$1.92B
$3.44M 0.01%
83,822
+9,801
+13% +$396K
IRS
369
IRSA Inversiones y Representaciones
IRS
$1.25B
$3.22M 0.01%
112,908
-83,166
-42% -$2.25M
APLE icon
370
Apple Hospitality REIT
APLE
$3.71B
$3.15M 0.01%
160,734
+4,701
+3% +$90.6K
TRI icon
371
Thomson Reuters
TRI
$45.4B
$3.08M 0.01%
60,831
-31
-0.1% -$1.62K
RIO icon
372
Rio Tinto
RIO
$166B
$2.98M 0.01%
56,403
+124
+0.2% +$6.05K
GPOR
373
DELISTED
Gulfport Energy Corp.
GPOR
$2.66M 0.01%
208,342
-16,466
-7% -$219K
GOLD
374
Gold.com Inc
GOLD
$1.25B
$2.6M 0.01%
354,810
-56,652
-14% -$432K
VTWO icon
375
Vanguard Russell 2000 ETF
VTWO
$17.4B
$2.55M 0.01%
41,752

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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.