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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
+6.74%
1 Year Est. Return
+33.75%
3 Year Est. Return
+108.55%
5 Year Est. Return
+126.9%
10 Year Est. Return
+771.69%
AUM
$24.7B
AUM Growth
-$24.3B
Cap. Flow
-$25.2B
Cap. Flow %
-102.23%
Top 10 Hldgs %
14.96%
Holding
1,115
New
48
Increased
227
Reduced
160
Closed
671

Sector Composition

Rank Sector Weight
1 Healthcare 13.37%
2 Financials 12.97%
3 Consumer Discretionary 12.77%
4 Industrials 11.86%
5 Technology 11.78%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
TSM icon
1
TSMC
TSM
$2.1T
$542M 2.2%
23,827,208
+8,585,472
+56% +$193M
SPY icon
2
State Street SPDR S&P 500 ETF Trust
SPY
$790B
$505M 2.05%
2,478,962
+1,094,597
+79% +$225M
TEVA icon
3
Teva Pharmaceuticals
TEVA
$40.8B
$410M 1.66%
6,250,990
+729,749
+13% +$45.1M
AMG icon
4
Affiliated Managers Group
AMG
$9.69B
$369M 1.5%
2,312,615
+607,239
+36% +$104M
DG icon
5
Dollar General
DG
$28B
$329M 1.33%
4,583,208
+382,211
+9% +$25.9M
IWD icon
6
iShares Russell 1000 Value ETF
IWD
$82.2B
$317M 1.28%
3,240,300
+46,200
+1% +$4.59M
BABA icon
7
Alibaba
BABA
$293B
$307M 1.24%
3,780,120
+1,719,046
+83% +$135M
ODFL icon
8
Old Dominion Freight Line
ODFL
$44.1B
$306M 1.24%
15,563,442
+3,107,229
+25% +$64.5M
BIDU icon
9
Baidu
BIDU
$37.7B
$306M 1.24%
1,617,909
+1,105,497
+216% +$204M
RHT
10
DELISTED
Red Hat Inc
RHT
$299M 1.21%
3,614,325
-381,881
-10% -$30.3M
GWRE icon
11
Guidewire Software
GWRE
$12.6B
$298M 1.21%
4,951,385
+545,832
+12% +$31.6M
GOOGL icon
12
Alphabet (Google) Class A
GOOGL
$4.36T
$287M 1.16%
+7,377,340
New +$273M
CSGP icon
13
CoStar Group
CSGP
$11.7B
$283M 1.15%
13,694,400
+2,318,430
+20% +$46.1M
ICE icon
14
Intercontinental Exchange
ICE
$85.6B
$276M 1.12%
5,375,665
+1,450,545
+37% +$73M
NXPI icon
15
NXP Semiconductors
NXPI
$57.8B
$273M 1.1%
3,237,214
+932,428
+40% +$79.8M
WP
16
DELISTED
Worldpay, Inc.
WP
$271M 1.1%
5,706,119
-892,976
-14% -$44M
LQD icon
17
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
$34.3B
$267M 1.08%
2,344,900
+697,900
+42% +$80.7M
ALGN icon
18
Align Technology
ALGN
$12.1B
$265M 1.07%
4,026,364
+333,469
+9% +$21.4M
MCO icon
19
Moody's
MCO
$82.8B
$263M 1.06%
2,618,400
+199,014
+8% +$19.9M
SBNY
20
DELISTED
Signature Bank
SBNY
$262M 1.06%
1,709,862
+176,597
+12% +$26.7M
MD icon
21
Pediatrix Medical
MD
$2.18B
$259M 1.05%
3,607,960
+20,906
+0.6% +$1.55M
BN icon
22
Brookfield
BN
$104B
$254M 1.03%
22,954,621
+1,112,727
+5% +$13.1M
CERN
23
DELISTED
Cerner Corp
CERN
$250M 1.01%
4,154,572
-39,828
-0.9% -$2.45M
BWA icon
24
BorgWarner
BWA
$13.1B
$248M 1.01%
6,523,973
+465,761
+8% +$17.5M
NTES icon
25
NetEase
NTES
$85.3B
$245M 0.99%
6,765,145
-2,186,630
-24% -$68.1M

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William Blair Investment Management's Q4 2015 Portfolio in Review

As of Q4 2015, William Blair Investment Management held 1,115 positions worth $24.7B, down 50% from $49B the previous quarter. Its ten largest holdings account for 15% of the portfolio.

William Blair Investment Management withdrew a net $25.2B in Q4 2015, closing 671 positions and reducing 160 holdings. Its most notable exit was KEURIG GREEN MTN INC, an estimated $118M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 13% of assets, up from 5.3% a quarter earlier, followed by Financials and Consumer Discretionary.

Against the trend, William Blair Investment Management opened a new position in Alphabet (Google) Class A worth $287M.

  • William Blair Investment Management's largest Q4 2015 buy was Alphabet (Google) Class A: 7,377,340 shares worth $287M.
  • William Blair Investment Management added most to State Street SPDR S&P 500 ETF Trust in Q4 2015, an estimated $225M increase.
  • William Blair Investment Management's biggest Q4 2015 reduction was Alphabet (Google) Class C, cutting an estimated $210M.
  • William Blair Investment Management fully exited KEURIG GREEN MTN INC in Q4 2015, selling an estimated $118M.
  • William Blair Investment Management's ten largest holdings make up 15% of its $24.7B portfolio in Q4 2015.
  • William Blair Investment Management opened 48 new positions and closed 671 in Q4 2015.
  • William Blair Investment Management's portfolio value fell 50% quarter-over-quarter to $24.7B.

Based on William Blair Investment Management's 13F filing for Q4 2015, filed 16 Feb 2016.