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William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $33.3B
1-Year Est. Return 44.76%
This Fund
S&P 500
This Quarter Est. Return
+5.95%
1 Year Est. Return
+44.76%
3 Year Est. Return
+140.8%
5 Year Est. Return
+166.51%
10 Year Est. Return
+978.6%
AUM
$26.2B
AUM Growth
+$458M
Cap. Flow
-$585M
Cap. Flow %
-2.23%
Top 10 Hldgs %
18.81%
Holding
469
New
42
Increased
160
Reduced
224
Closed
36

Top Buys

Rank Stock Value
1
HCSG icon
Healthcare Services Group
HCSG
+$169M
2
WP
Worldpay, Inc.
WP
+$159M
3
CTLT
CATALENT, INC.
CTLT
+$146M
4
PE
PARSLEY ENERGY INC
PE
+$136M
5
P
Everpure Inc
P
+$129M

Top Sells

Rank Stock Value
1
MMS icon
Maximus
MMS
+$224M
2
CNI icon
Canadian National Railway
CNI
+$212M
3
AMG icon
Affiliated Managers Group
AMG
+$199M
4
CSRA
CSRA Inc.
CSRA
+$167M
5
TTWO icon
Take-Two Interactive
TTWO
+$162M

Sector Composition

Rank Sector Weight
1 Technology 14.91%
2 Financials 14.73%
3 Consumer Discretionary 14.13%
4 Industrials 13.07%
5 Healthcare 12.8%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CDNS icon
426
Cadence Design Systems
CDNS
$89.4B
$666K ﹤0.01%
18,126
-1,537
-8% -$62.7K
IRS
427
IRSA Inversiones y Representaciones
IRS
$1.25B
$645K ﹤0.01%
28,332
-84,576
-75% -$2.23M
ZION icon
428
Zions Bancorporation
ZION
$10.4B
$539K ﹤0.01%
10,227
-864
-8% -$46.5K
XLV icon
429
State Street Health Care Select Sector SPDR ETF
XLV
$44B
$322K ﹤0.01%
3,957
– –
IWP icon
430
iShares Russell Mid-Cap Growth ETF
IWP
$21.1B
$183K ﹤0.01%
2,980
-2,900
-49% -$181K
ELD icon
431
WisdomTree Emerging Markets Local Debt Fund
ELD
$143M
$86K ﹤0.01%
2,200
– –
EMB icon
432
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$14.9B
$79K ﹤0.01%
700
-1,230
-64% -$140K
ADTN icon
433
Adtran
ADTN
$669M
– –
-1,018,565
Closed -$19.7M
ALB icon
434
Albemarle
ALB
$15.1B
– –
-31,709
Closed -$4.05M
GOLD
435
Gold.com Inc
GOLD
$1.27B
– –
-354,810
Closed -$2.6M
BMY icon
436
Bristol-Myers Squibb
BMY
$130B
– –
-147,819
Closed -$9.06M
BSX icon
437
Boston Scientific
BSX
$74.7B
– –
-1,017,823
Closed -$25.2M
BUD icon
438
AB InBev
BUD
$156B
– –
-31,218
Closed -$3.48M
CHKP icon
439
Check Point Software Technologies
CHKP
$13.1B
– –
-1,452,148
Closed -$150M
EFA icon
440
iShares MSCI EAFE ETF
EFA
$80.1B
– –
-1,626
Closed -$114K
FAST icon
441
Fastenal
FAST
$59.7B
– –
-1,110,252
Closed -$15.2M
FBIN icon
442
Fortune Brands Innovations
FBIN
$5.8B
– –
-19,261
Closed -$1.13M
FFIV icon
443
F5
FFIV
$23.7B
– –
-8,849
Closed -$1.16M
HBI
444
DELISTED
Hanesbrands
HBI
– –
-2,204,878
Closed -$46.1M
HLX icon
445
Helix Energy Solutions
HLX
$1.49B
– –
-1,275,811
Closed -$9.62M
MAN icon
446
ManpowerGroup
MAN
$2.6B
– –
-7,806
Closed -$984K
MMS icon
447
Maximus
MMS
$2.85B
– –
-3,129,917
Closed -$224M
NEO icon
448
NeoGenomics
NEO
$2.1B
– –
-755,254
Closed -$6.69M
NWL icon
449
Newell Brands
NWL
$2.61B
– –
-1,475,744
Closed -$45.6M
PLCE icon
450
Children's Place
PLCE
$55.6M
– –
-183,480
Closed -$26.7M
15 16 17
18
19

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William Blair Investment Management's Q1 2018 Portfolio in Review

As of Q1 2018, William Blair Investment Management held 469 positions worth $26.2B, up 1.8% from $25.7B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair Investment Management's Q1 2018 filing shows 42 new, 160 increased, 224 reduced and 36 closed positions. Its largest new stake was Healthcare Services Group: 3,458,904 shares worth $150M. The largest sale was Maximus, an estimated $224M.

By sector, the portfolio is most concentrated in Technology at 15% of assets, up from 14% a quarter earlier, followed by Financials and Consumer Discretionary.

  • William Blair Investment Management's largest Q1 2018 buy was Healthcare Services Group: 3,458,904 shares worth $150M.
  • William Blair Investment Management added most to PARSLEY ENERGY INC in Q1 2018, an estimated $136M increase.
  • William Blair Investment Management's biggest Q1 2018 reduction was Canadian National Railway, cutting an estimated $212M.
  • William Blair Investment Management fully exited Maximus in Q1 2018, selling an estimated $224M.
  • William Blair Investment Management's ten largest holdings make up 19% of its $26.2B portfolio in Q1 2018.
  • William Blair Investment Management opened 42 new positions and closed 36 in Q1 2018.
  • William Blair Investment Management's portfolio value rose 1.8% quarter-over-quarter to $26.2B.

Based on William Blair Investment Management's 13F filing for Q1 2018, filed 14 May 2018.