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
+19.2%
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
$23.8B
AUM Growth
+$3.63B
Cap. Flow
+$288M
Cap. Flow %
1.21%
Top 10 Hldgs %
20.04%
Holding
441
New
37
Increased
142
Reduced
223
Closed
35

Top Buys

Rank Stock Value
1
CHKP icon
Check Point Software Technologies
CHKP
+$181M
2
BABA icon
Alibaba
BABA
+$124M
3
EWBC icon
East-West Bancorp
EWBC
+$109M
4
STE icon
Steris
STE
+$94.6M
5
BURL icon
Burlington
BURL
+$87.9M

Top Sells

Rank Stock Value
1
SIX
Six Flags Entertainment Corp.
SIX
+$151M
2
FTNT icon
Fortinet
FTNT
+$108M
3
SU icon
Suncor Energy
SU
+$77.7M
4
WST icon
West Pharmaceutical
WST
+$73.5M
5
WW
WW International
WW
+$59M

Sector Composition

Rank Sector Weight
1 Technology 17.21%
2 Consumer Discretionary 14.5%
3 Healthcare 14.2%
4 Industrials 13.82%
5 Financials 13.22%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CHKP icon
26
Check Point Software Technologies
CHKP
$13.2B
$209M 0.88%
1,651,678
+1,553,162
+1,577% +$181M
AMZN icon
27
Amazon
AMZN
$2.97T
$208M 0.88%
2,336,000
+10,020
+0.4% +$834K
EHC icon
28
Encompass Health
EHC
$12.4B
$207M 0.87%
4,453,953
-44,478
-1% -$2.25M
HTHT icon
29
Huazhu Hotels Group
HTHT
$12.8B
$207M 0.87%
4,903,492
+663,982
+16% +$22.7M
LOPE icon
30
Grand Canyon Education
LOPE
$3.81B
$204M 0.86%
1,785,701
+30,495
+2% +$3.14M
PODD icon
31
Insulet
PODD
$9.92B
$204M 0.86%
2,144,988
+290,790
+16% +$24.9M
MLM icon
32
Martin Marietta Materials
MLM
$33.3B
$202M 0.85%
1,005,058
-5,987
-0.6% -$1.12M
MIDD icon
33
Middleby
MIDD
$5.64B
$196M 0.82%
1,507,330
-20,077
-1% -$2.41M
GKOS icon
34
Glaukos
GKOS
$10.7B
$193M 0.81%
2,465,432
+9,401
+0.4% +$628K
HEI.A icon
35
HEICO Corp Class A
HEI.A
$37.2B
$190M 0.8%
2,259,747
-13,781
-0.6% -$1.01M
HDB icon
36
HDFC Bank
HDB
$121B
$185M 0.78%
6,398,712
-376,808
-6% -$9.77M
TDY icon
37
Teledyne Technologies
TDY
$32B
$185M 0.78%
780,383
-6,652
-0.8% -$1.51M
GOOGL icon
38
Alphabet (Google) Class A
GOOGL
$4.3T
$185M 0.78%
3,141,700
-6,500
-0.2% -$367K
HZNP
39
DELISTED
Horizon Therapeutics Public Limited Company Ordinary Shares
HZNP
$183M 0.77%
6,942,357
+269,565
+4% +$6.39M
EWBC icon
40
East-West Bancorp
EWBC
$18.1B
$180M 0.76%
3,757,889
+2,142,829
+133% +$109M
TREX icon
41
Trex
TREX
$4.99B
$176M 0.74%
5,728,912
+2,341,090
+69% +$81.8M
GDDY icon
42
GoDaddy
GDDY
$11.6B
$174M 0.73%
2,311,832
-25,528
-1% -$1.8M
NTES icon
43
NetEase
NTES
$82.8B
$167M 0.7%
3,456,800
+613,110
+22% +$29.2M
CTLT
44
DELISTED
CATALENT, INC.
CTLT
$166M 0.7%
4,086,922
-4,435
-0.1% -$173K
WEX icon
45
WEX
WEX
$6.42B
$165M 0.69%
859,569
+6,130
+0.7% +$1.04M
AZPN
46
DELISTED
ASPEN TECHNOLOGY INC
AZPN
$165M 0.69%
1,582,680
+386,376
+32% +$40.3M
FCFS icon
47
FirstCash
FCFS
$9.04B
$165M 0.69%
1,906,913
+2,348
+0.1% +$196K
ZD icon
48
Ziff Davis
ZD
$2.03B
$159M 0.67%
2,112,372
-36,201
-2% -$2.5M
IWD icon
49
iShares Russell 1000 Value ETF
IWD
$84.1B
$151M 0.64%
1,223,090
-468,910
-28% -$56.4M
CE icon
50
Celanese
CE
$5.02B
$145M 0.61%
1,469,476
-11,412
-0.8% -$1.12M
1
2
3 4 5

Similar funds

Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return
Lord, Abbett & Co
Lord, Abbett & Co Jersey City, New Jersey $30.6B AUM 57.44% 1-Year Est. Return
Eagle Capital Management (New York)
Eagle Capital Management (New York) New York $29.8B AUM 12.13% 1-Year Est. Return
State of Tennessee, Department of Treasury
State of Tennessee, Department of Treasury Nashville, Tennessee $29.8B AUM 29.48% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return
Ohio Public Employees Retirement System (OPERS)
Ohio Public Employees Retirement System (OPERS) Columbus, Ohio $30.9B AUM 29.72% 1-Year Est. Return
Coatue Management
Coatue Management New York $29.1B AUM 96.54% 1-Year Est. Return
Hudson Bay Capital Management
Hudson Bay Capital Management Stamford, Connecticut $29B AUM 30.2% 1-Year Est. Return

William Blair Investment Management's Q1 2019 Portfolio in Review

As of Q1 2019, William Blair Investment Management held 441 positions worth $23.8B, up 18% from $20.1B the previous quarter. Its ten largest holdings account for 20% of the portfolio.

William Blair Investment Management's Q1 2019 filing shows 37 new, 142 increased, 223 reduced and 35 closed positions. Its largest new stake was Steris: 803,400 shares worth $103M. The largest sale was Six Flags Entertainment Corp., an estimated $151M.

By sector, the portfolio is most concentrated in Technology at 17% of assets, up from 16% a quarter earlier, followed by Consumer Discretionary and Healthcare.

  • William Blair Investment Management's largest Q1 2019 buy was Steris: 803,400 shares worth $103M.
  • William Blair Investment Management added most to Check Point Software Technologies in Q1 2019, an estimated $181M increase.
  • William Blair Investment Management's biggest Q1 2019 reduction was WW International, cutting an estimated $59M.
  • William Blair Investment Management fully exited Six Flags Entertainment Corp. in Q1 2019, selling an estimated $151M.
  • William Blair Investment Management's ten largest holdings make up 20% of its $23.8B portfolio in Q1 2019.
  • William Blair Investment Management opened 37 new positions and closed 35 in Q1 2019.
  • William Blair Investment Management's portfolio value rose 18% quarter-over-quarter to $23.8B.

Based on William Blair Investment Management's 13F filing for Q1 2019, filed 10 May 2019.