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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
+10.66%
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
$26.5B
AUM Growth
+$1.43B
Cap. Flow
-$525M
Cap. Flow %
-1.98%
Top 10 Hldgs %
15.7%
Holding
479
New
44
Increased
158
Reduced
220
Closed
47

Top Buys

Rank Stock Value
1
BABA icon
Alibaba
BABA
+$316M
2
TCOM icon
Trip.com Group
TCOM
+$140M
3
BWXT icon
BWX Technologies
BWXT
+$116M
4
UNH icon
UnitedHealth
UNH
+$102M
5
MTN icon
Vail Resorts
MTN
+$101M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 15.46%
2 Industrials 13.64%
3 Financials 13.02%
4 Healthcare 11.83%
5 Technology 10.92%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
HUBB icon
401
Hubbell
HUBB
$27.3B
$665K ﹤0.01%
5,540
+555
+11% +$66.7K
FMC icon
402
FMC
FMC
$1.33B
$641K ﹤0.01%
10,612
+986
+10% +$51K
LEG icon
403
Leggett & Platt
LEG
$1.34B
$617K ﹤0.01%
12,268
+1,335
+12% +$65.2K
NNN icon
404
NNN REIT
NNN
$8.73B
$589K ﹤0.01%
13,496
+913
+7% +$40.4K
J icon
405
Jacobs Solutions
J
$17.3B
$584K ﹤0.01%
+12,762
New +$603K
TCO
406
DELISTED
Taubman Centers Inc.
TCO
$571K ﹤0.01%
8,651
-79
-0.9% -$5.47K
PTEN icon
407
Patterson-UTI
PTEN
$4.16B
$538K ﹤0.01%
22,149
+5,948
+37% +$160K
OFLX icon
408
Omega Flex
OFLX
$309M
$528K ﹤0.01%
11,042
ITUB icon
409
Itaú Unibanco
ITUB
$85.9B
$476K ﹤0.01%
81,338
+49,408
+155% +$293K
AAPL icon
410
Apple
AAPL
$4.47T
$466K ﹤0.01%
12,984
HOLX
411
DELISTED
Hologic
HOLX
$434K ﹤0.01%
10,206
-183
-2% -$7.46K
WFC icon
412
Wells Fargo
WFC
$265B
$352K ﹤0.01%
6,328
WLL
413
DELISTED
Whiting Petroleum Corporation
WLL
$312K ﹤0.01%
110
-1
-0.9% -$3.24K
XLV icon
414
State Street Health Care Select Sector SPDR ETF
XLV
$44B
$294K ﹤0.01%
+3,957
New +$288K
WNS
415
DELISTED
WNS Holdings
WNS
$267K ﹤0.01%
9,341
-2,262,075
-100% -$64.1M
SNY icon
416
Sanofi
SNY
$105B
$260K ﹤0.01%
+5,738
New +$243K
PBR.A icon
417
Petrobras Class A
PBR.A
$105B
$258K ﹤0.01%
28,000
AME icon
418
Ametek
AME
$58.9B
$249K ﹤0.01%
4,600
IWP icon
419
iShares Russell Mid-Cap Growth ETF
IWP
$20.9B
$239K ﹤0.01%
4,598
-1,560
-25% -$79.6K
AEO icon
420
American Eagle Outfitters
AEO
$3B
-635,359
Closed -$9.64M
ANSS
421
DELISTED
Ansys
ANSS
-137,215
Closed -$12.7M
ATRC icon
422
AtriCure
ATRC
$2.14B
-439,054
Closed -$8.59M
AXDX
423
DELISTED
Accelerate Diagnostics
AXDX
-21,312
Closed -$4.42M
BIDU icon
424
Baidu
BIDU
$36B
-550,961
Closed -$90.6M
BWA icon
425
BorgWarner
BWA
$14.4B
-1,737,604
Closed -$60.3M

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William Blair Investment Management's Q1 2017 Portfolio in Review

As of Q1 2017, William Blair Investment Management held 479 positions worth $26.5B, up 5.7% from $25B the previous quarter. Its ten largest holdings account for 16% of the portfolio.

William Blair Investment Management's Q1 2017 filing shows 44 new, 158 increased, 220 reduced and 47 closed positions. Its largest new stake was Michaels Stores, Inc: 4,240,011 shares worth $94.9M. The largest sale was Toronto Dominion Bank, an estimated $254M.

By sector, the portfolio is most concentrated in Consumer Discretionary at 15% of assets, up from 12% a quarter earlier, followed by Industrials and Financials.

  • William Blair Investment Management's largest Q1 2017 buy was Michaels Stores, Inc: 4,240,011 shares worth $94.9M.
  • William Blair Investment Management added most to Alibaba in Q1 2017, an estimated $316M increase.
  • William Blair Investment Management's biggest Q1 2017 reduction was Toronto Dominion Bank, cutting an estimated $254M.
  • William Blair Investment Management fully exited Mead Johnson Nutrition Company in Q1 2017, selling an estimated $192M.
  • William Blair Investment Management's ten largest holdings make up 16% of its $26.5B portfolio in Q1 2017.
  • William Blair Investment Management opened 44 new positions and closed 47 in Q1 2017.
  • William Blair Investment Management's portfolio value rose 5.7% quarter-over-quarter to $26.5B.

Based on William Blair Investment Management's 13F filing for Q1 2017, filed 10 May 2017.