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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
PBR.A icon
376
Petrobras Class A
PBR.A
$106B
$2.54M 0.01%
+258,128
New +$2.54M
MELI icon
377
Mercado Libre
MELI
$92.5B
$2.53M 0.01%
8,050
-426,876
-98% -$115M
SKT icon
378
Tanger
SKT
$4.44B
$2.29M 0.01%
86,216
-2,577
-3% -$63.7K
SBNY
379
DELISTED
Signature Bank
SBNY
$2.23M 0.01%
16,259
-130,055
-89% -$17.1M
EGN
380
DELISTED
Energen
EGN
$2.18M 0.01%
37,814
+6,226
+20% +$338K
HIND
381
Vyome Holdings
HIND
$15.5M
0
ISRG icon
382
Intuitive Surgical
ISRG
$139B
$1.8M 0.01%
14,781
-4,668
-24% -$584K
YOGA
383
DELISTED
YogaWorks, Inc. Common Stock
YOGA
$1.75M 0.01%
618,138
-99,106
-14% -$262K
ORLY icon
384
O'Reilly Automotive
ORLY
$75.3B
$1.68M 0.01%
104,505
AGRO icon
385
Adecoagro
AGRO
$1.39B
$1.51M 0.01%
146,520
+9,581
+7% +$96.2K
ETFC
386
DELISTED
E*Trade Financial Corporation
ETFC
$1.45M 0.01%
29,320
+3,264
+13% +$150K
EDN
387
Edenor
EDN
$1.05B
$1.45M 0.01%
29,152
+1,896
+7% +$84.9K
WPM icon
388
Wheaton Precious Metals
WPM
$60.6B
$1.39M 0.01%
62,884
+144
+0.2% +$3K
ODFL icon
389
Old Dominion Freight Line
ODFL
$44.1B
$1.38M 0.01%
31,566
-3,857,529
-99% -$155M
OC icon
390
Owens Corning
OC
$12.2B
$1.35M 0.01%
14,694
+1,161
+9% +$97.8K
LULU icon
391
lululemon athletica
LULU
$14.5B
$1.35M 0.01%
17,155
+1,909
+13% +$127K
GLOB icon
392
Globant
GLOB
$1.66B
$1.35M 0.01%
28,990
+1,893
+7% +$76.1K
IWO icon
393
iShares Russell 2000 Growth ETF
IWO
$14.9B
$1.3M 0.01%
6,950
+910
+15% +$166K
PNW icon
394
Pinnacle West Capital
PNW
$12B
$1.28M 0.01%
15,028
+3,977
+36% +$351K
THO icon
395
Thor Industries
THO
$4.14B
$1.27M ﹤0.01%
8,432
+937
+13% +$130K
DNKN
396
DELISTED
Dunkin' Brands Group, Inc.
DNKN
$1.25M ﹤0.01%
19,397
+2,161
+13% +$126K
SPR
397
DELISTED
Spirit AeroSystems
SPR
$1.23M ﹤0.01%
14,053
+3,404
+32% +$279K
ATO icon
398
Atmos Energy
ATO
$28.4B
$1.2M ﹤0.01%
13,995
+3,321
+31% +$292K
FFIV icon
399
F5
FFIV
$23.2B
$1.16M ﹤0.01%
+8,849
New +$1.1M
OEC icon
400
Orion
OEC
$389M
$1.16M ﹤0.01%
+45,098
New +$1.07M

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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.