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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
+6.55%
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
$25.7B
AUM Growth
-$2.19B
Cap. Flow
-$3.7B
Cap. Flow %
-14.37%
Top 10 Hldgs %
17.87%
Holding
463
New
30
Increased
148
Reduced
245
Closed
36

Top Sells

Rank Stock Value
1
WP
Worldpay, Inc.
WP
+$346M
2
SBAC icon
SBA Communications
SBAC
+$258M
3
CNC icon
Centene
CNC
+$212M
4
ALGN icon
Align Technology
ALGN
+$207M
5
BABA icon
Alibaba
BABA
+$194M

Sector Composition

Rank Sector Weight
1 Financials 14.64%
2 Consumer Discretionary 14.51%
3 Technology 13.93%
4 Industrials 13.62%
5 Healthcare 11.44%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
EFA icon
426
iShares MSCI EAFE ETF
EFA
$79.8B
$114K ﹤0.01%
+1,626
New +$113K
ELD icon
427
WisdomTree Emerging Markets Local Debt Fund
ELD
$143M
$85K ﹤0.01%
2,200
-459,000
-100% -$17.5M
ACHC icon
428
Acadia Healthcare
ACHC
$2.96B
-2,139,935
Closed -$102M
BVN icon
429
Compañía de Minas Buenaventura
BVN
$8.78B
-527,649
Closed -$6.75M
CHDN icon
430
Churchill Downs
CHDN
$6.02B
-583,500
Closed -$20.1M
CHRD icon
431
Chord Energy
CHRD
$7.58B
-2,164,852
Closed -$19.7M
CMG icon
432
Chipotle Mexican Grill
CMG
$40.7B
-3,021,300
Closed -$18.6M
VISN
433
Vistance Networks Inc
VISN
$2.63B
-25,386
Closed -$843K
COO icon
434
Cooper Companies
COO
$14.9B
-2,187,628
Closed -$130M
CVEO icon
435
Civeo
CVEO
$330M
-98,857
Closed -$3.38M
CVNA icon
436
Carvana
CVNA
$81.5B
-1,786,350
Closed -$5.25M
CX icon
437
Cemex
CX
$16.3B
-7,140,407
Closed -$64.8M
EPR icon
438
EPR Properties
EPR
$4.63B
-23,537
Closed -$1.64M
EW icon
439
Edwards Lifesciences
EW
$53B
-478,386
Closed -$17.4M
FLGT icon
440
Fulgent Genetics
FLGT
$524M
-629,540
Closed -$3.02M
FLS icon
441
Flowserve
FLS
$10.1B
-14,445
Closed -$615K
FMX icon
442
Fomento Económico Mexicano
FMX
$40.9B
-1,026,840
Closed -$98.1M
HLF icon
443
Herbalife
HLF
$1.21B
-442,350
Closed -$15M
HON icon
444
Honeywell
HON
$77B
-428,515
Closed -$54.9M
MAA icon
445
Mid-America Apartment Communities
MAA
$15.4B
-6,824
Closed -$729K
MOMO
446
Hello Group
MOMO
$870M
-608,393
Closed -$19.1M
NKE icon
447
Nike
NKE
$62.5B
-693,330
Closed -$35.9M
OFLX icon
448
Omega Flex
OFLX
$306M
-11,042
Closed -$793K
PB icon
449
Prosperity Bancshares
PB
$8.81B
-357,743
Closed -$23.5M
QTWO icon
450
Q2 Holdings
QTWO
$3.96B
-224,881
Closed -$9.37M

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William Blair Investment Management's Q4 2017 Portfolio in Review

As of Q4 2017, William Blair Investment Management held 463 positions worth $25.7B, down 7.9% from $27.9B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair Investment Management withdrew a net $3.7B in Q4 2017, closing 36 positions and reducing 245 holdings. Its most notable exit was Worldpay, Inc., an estimated $346M position sold in full.

By sector, the portfolio is most concentrated in Financials at 15% of assets, up from 13% a quarter earlier, followed by Consumer Discretionary and Technology.

Against the trend, William Blair Investment Management opened a new position in Teledyne Technologies worth $121M.

  • William Blair Investment Management's largest Q4 2017 buy was Teledyne Technologies: 669,495 shares worth $121M.
  • William Blair Investment Management added most to State Street SPDR S&P 500 ETF Trust in Q4 2017, an estimated $206M increase.
  • William Blair Investment Management's biggest Q4 2017 reduction was SBA Communications, cutting an estimated $258M.
  • William Blair Investment Management fully exited Worldpay, Inc. in Q4 2017, selling an estimated $346M.
  • William Blair Investment Management's ten largest holdings make up 18% of its $25.7B portfolio in Q4 2017.
  • William Blair Investment Management opened 30 new positions and closed 36 in Q4 2017.
  • William Blair Investment Management's portfolio value fell 7.9% quarter-over-quarter to $25.7B.

Based on William Blair Investment Management's 13F filing for Q4 2017, filed 14 Feb 2018.