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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
+8.82%
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
$27.9B
AUM Growth
+$434M
Cap. Flow
-$1.39B
Cap. Flow %
-4.97%
Top 10 Hldgs %
16.81%
Holding
485
New
38
Increased
170
Reduced
217
Closed
52

Top Buys

Rank Stock Value
1
RCI icon
Rogers Communications
RCI
+$124M
2
WEX icon
WEX
WEX
+$108M
3
DXCM icon
DexCom
DXCM
+$100M
4
TSM icon
TSMC
TSM
+$99.8M
5
YELP icon
Yelp
YELP
+$93.8M

Top Sells

Rank Stock Value
1
ORLY icon
O'Reilly Automotive
ORLY
+$155M
2
SBNY
Signature Bank
SBNY
+$152M
3
ODFL icon
Old Dominion Freight Line
ODFL
+$132M
4
BABA icon
Alibaba
BABA
+$128M
5
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$119M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 15.32%
2 Industrials 13.97%
3 Financials 13.47%
4 Technology 12.68%
5 Healthcare 12.14%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
GPOR
376
DELISTED
Gulfport Energy Corp.
GPOR
$3.22M 0.01%
224,808
+14,198
+7% +$184K
SMFG icon
377
Sumitomo Mitsui Financial
SMFG
$161B
$3.21M 0.01%
416,980
-5,856
-1% -$44.6K
FLGT icon
378
Fulgent Genetics
FLGT
$524M
$3.02M 0.01%
629,540
-10,679
-2% -$61.4K
APLE icon
379
Apple Hospitality REIT
APLE
$3.71B
$2.95M 0.01%
156,033
+41,408
+36% +$759K
DEI icon
380
Douglas Emmett
DEI
$1.93B
$2.92M 0.01%
74,021
+52,080
+237% +$1.99M
RIO icon
381
Rio Tinto
RIO
$166B
$2.66M 0.01%
56,279
-787
-1% -$36.6K
ARCO icon
382
Arcos Dorados Holdings
ARCO
$1.7B
$2.58M 0.01%
263,897
-269,089
-50% -$2.33M
VTWO icon
383
Vanguard Russell 2000 ETF
VTWO
$17.3B
$2.48M 0.01%
41,752
– –
CLCT
384
DELISTED
Collectors Universe
CLCT
$2.47M 0.01%
+102,998
New +$2.46M
ROP icon
385
Roper Technologies
ROP
$39.9B
$2.4M 0.01%
9,866
– –
ISRG icon
386
Intuitive Surgical
ISRG
$139B
$2.26M 0.01%
19,449
-8,991
-32% -$980K
SKT icon
387
Tanger
SKT
$4.44B
$2.17M 0.01%
88,793
+23,563
+36% +$596K
COLB icon
388
Columbia Banking Systems
COLB
$8.84B
$2.11M 0.01%
+50,010
New +$1.93M
ROG icon
389
Rogers Corp
ROG
$2.29B
$2.04M 0.01%
+15,299
New +$1.81M
YOGA
390
DELISTED
YogaWorks, Inc. Common Stock
YOGA
$1.99M 0.01%
+717,244
New +$2.77M
UFPI icon
391
UFP Industries
UFPI
$5.01B
$1.95M 0.01%
+59,700
New +$1.72M
XRAY icon
392
Dentsply Sirona
XRAY
$2.32B
$1.84M 0.01%
30,841
– –
EGN
393
DELISTED
Energen
EGN
$1.73M 0.01%
31,588
+8,383
+36% +$427K
TEO icon
394
Telecom Argentina
TEO
$6.16B
$1.73M 0.01%
55,944
-3,205
-5% -$94.2K
EPR icon
395
EPR Properties
EPR
$4.63B
$1.64M 0.01%
23,537
+6,246
+36% +$440K
ORLY icon
396
O'Reilly Automotive
ORLY
$74.6B
$1.5M 0.01%
104,505
-11,753,565
-99% -$155M
AGRO icon
397
Adecoagro
AGRO
$1.39B
$1.48M 0.01%
136,939
-7,876
-5% -$78.9K
WPM icon
398
Wheaton Precious Metals
WPM
$60.6B
$1.2M ﹤0.01%
62,740
-388,617
-86% -$7.65M
ETFC
399
DELISTED
E*Trade Financial Corporation
ETFC
$1.14M ﹤0.01%
26,056
+66
+0.3% +$2.68K
GLOB icon
400
Globant
GLOB
$1.66B
$1.09M ﹤0.01%
27,097
-1,563
-5% -$64.5K
14 15
16
17 18

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William Blair Investment Management's Q3 2017 Portfolio in Review

As of Q3 2017, William Blair Investment Management held 485 positions worth $27.9B, up 1.6% from $27.5B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair Investment Management withdrew a net $1.39B in Q3 2017, closing 52 positions and reducing 217 holdings. Its most notable exit was Amedisys, an estimated $91.9M position sold in full.

By sector, the portfolio is most concentrated in Consumer Discretionary at 15% of assets, down from 16% a quarter earlier, followed by Industrials and Financials.

Against the trend, William Blair Investment Management opened a new position in Rogers Communications worth $125M.

  • William Blair Investment Management's largest Q3 2017 buy was Rogers Communications: 2,429,600 shares worth $125M.
  • William Blair Investment Management added most to TSMC in Q3 2017, an estimated $99.8M increase.
  • William Blair Investment Management's biggest Q3 2017 reduction was O'Reilly Automotive, cutting an estimated $155M.
  • William Blair Investment Management fully exited Amedisys in Q3 2017, selling an estimated $91.9M.
  • William Blair Investment Management's ten largest holdings make up 17% of its $27.9B portfolio in Q3 2017.
  • William Blair Investment Management opened 38 new positions and closed 52 in Q3 2017.
  • William Blair Investment Management's portfolio value rose 1.6% quarter-over-quarter to $27.9B.

Based on William Blair Investment Management's 13F filing for Q3 2017, filed 13 Nov 2017.