We are live on ! Find out more
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
+788.31%
AUM
$24.7B
AUM Growth
-$24.3B
Cap. Flow
-$25.2B
Cap. Flow %
-102.22%
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
TWOU
126
DELISTED
2U Inc
TWOU
$59.9M 0.24%
71,358
+16,014
+29% +$12M
FCFS icon
127
FirstCash
FCFS
$9.06B
$56.6M 0.23%
1,511,369
+114,052
+8% +$4.45M
AAMI
128
Acadian Asset Management
AAMI
$3.28B
$54.7M 0.22%
+3,565,381
New +$55M
BALL icon
129
Ball Corp
BALL
$16.6B
$53.7M 0.22%
+1,475,924
New +$50.4M
INFO
130
DELISTED
IHS Markit Ltd. Common Shares
INFO
$53.7M 0.22%
+1,778,353
New +$52.8M
EXAS
131
DELISTED
Exact Sciences
EXAS
$53.2M 0.22%
5,766,280
+1,043,546
+22% +$9.7M
SRCL
132
DELISTED
Stericycle Inc
SRCL
$53M 0.21%
439,788
-45,792
-9% -$5.83M
FANG icon
133
Diamondback Energy
FANG
$56.6B
$52.8M 0.21%
788,930
+137,228
+21% +$10.2M
TRMB icon
134
Trimble
TRMB
$13.4B
$52.2M 0.21%
2,432,075
+2,410,204
+11,020% +$50.1M
PPG icon
135
PPG Industries
PPG
$25.8B
$52.1M 0.21%
527,515
+126,415
+32% +$12.8M
VIRT icon
136
Virtu Financial
VIRT
$4.95B
$51.5M 0.21%
2,274,570
+1,809,260
+389% +$41.6M
BSAC icon
137
Banco Santander Chile
BSAC
$16.4B
$49M 0.2%
2,779,228
+215,323
+8% +$4.01M
GE icon
138
GE Aerospace
GE
$382B
$48.2M 0.2%
+323,041
New +$45.9M
EXAM
139
DELISTED
EXAMWORKS GROUP INC COM STK (DE)
EXAM
$48.1M 0.2%
1,809,865
+260,373
+17% +$7.01M
RSX
140
DELISTED
VanEck Russia ETF
RSX
$44.1M 0.18%
3,010,500
+1,074,600
+56% +$17.6M
IPGP icon
141
IPG Photonics
IPGP
$3.66B
$43.7M 0.18%
489,923
+13,993
+3% +$1.2M
IWF icon
142
iShares Russell 1000 Growth ETF
IWF
$127B
$43.6M 0.18%
1,753,408
+83,008
+5% +$2.07M
CMG icon
143
Chipotle Mexican Grill
CMG
$40.4B
$42.4M 0.17%
+4,415,700
New +$54M
LXFT
144
DELISTED
Luxoft Holding, Inc.
LXFT
$42.2M 0.17%
547,407
+3,086
+0.6% +$223K
CXO
145
DELISTED
CONCHO RESOURCES INC.
CXO
$41.2M 0.17%
443,738
+9,263
+2% +$991K
SHPG
146
DELISTED
Shire pic
SHPG
$40.2M 0.16%
196,182
+29,861
+18% +$6.21M
XLU icon
147
State Street Utilities Select Sector SPDR ETF
XLU
$22.6B
$39.7M 0.16%
1,834,400
+43,800
+2% +$949K
CBPO
148
DELISTED
China Biologic Products Holdings, Inc.
CBPO
$39.2M 0.16%
275,435
+173,090
+169% +$20M
TTM
149
DELISTED
Tata Motors Limited
TTM
$38.9M 0.16%
1,320,602
+134,661
+11% +$3.91M
RAMP icon
150
LiveRamp
RAMP
$2.3B
$38.8M 0.16%
1,855,721
+312,120
+20% +$6.81M

Similar funds

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.