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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
+6.15%
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
$26.9B
AUM Growth
+$687M
Cap. Flow
-$320M
Cap. Flow %
-1.19%
Top 10 Hldgs %
18.65%
Holding
522
New
90
Increased
140
Reduced
241
Closed
46

Top Sells

Rank Stock Value
1
ABMD
Abiomed Inc
ABMD
+$154M
2
DPZ icon
Domino's
DPZ
+$129M
3
NBIS
Nebius Group N.V.
NBIS
+$115M
4
ZTS icon
Zoetis
ZTS
+$104M
5
YELP icon
Yelp
YELP
+$103M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 15.39%
2 Technology 15.25%
3 Healthcare 14.14%
4 Financials 12.82%
5 Industrials 12.81%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
AFG icon
426
American Financial Group
AFG
$12B
$726K ﹤0.01%
6,761
-718
-10% -$79.5K
WBC
427
DELISTED
WABCO HOLDINGS INC.
WBC
$725K ﹤0.01%
+6,195
New +$788K
FAF icon
428
First American
FAF
$7.32B
$584K ﹤0.01%
11,291
-327,842
-97% -$17.5M
TEO icon
429
Telecom Argentina
TEO
$5.81B
$550K ﹤0.01%
31,022
-733,132
-96% -$18.6M
ZION icon
430
Zions Bancorporation
ZION
$10.4B
$487K ﹤0.01%
9,239
-988
-10% -$54.5K
BEAT
431
DELISTED
BioTelemetry, Inc.
BEAT
$464K ﹤0.01%
+10,300
New +$411K
TTEK icon
432
Tetra Tech
TTEK
$9.06B
$388K ﹤0.01%
+33,150
New +$354K
MTZ icon
433
MasTec
MTZ
$21.9B
$381K ﹤0.01%
+7,513
New +$363K
CRESY
434
Cresud
CRESY
$750M
$371K ﹤0.01%
27,933
-21,698
-44% -$357K
SFLY
435
DELISTED
Shutterfly, Inc.
SFLY
$371K ﹤0.01%
+4,120
New +$370K
ATSG
436
DELISTED
Air Transport Services Group
ATSG
$363K ﹤0.01%
+16,090
New +$354K
DPLO
437
DELISTED
DIPLOMAT PHARMACY, INC.
DPLO
$360K ﹤0.01%
+14,080
New +$328K
PFGC icon
438
Performance Food Group
PFGC
$17.9B
$353K ﹤0.01%
+9,620
New +$325K
EFOR
439
Everforth Inc
EFOR
$1.35B
$348K ﹤0.01%
+4,450
New +$364K
FIVE icon
440
Five Below
FIVE
$13B
$348K ﹤0.01%
+3,560
New +$286K
IDTI
441
DELISTED
Integrated Device Technology I
IDTI
$341K ﹤0.01%
+10,710
New +$340K
PINC
442
DELISTED
Premier
PINC
$340K ﹤0.01%
+9,350
New +$310K
GWB
443
DELISTED
Great Western Bancorp, Inc.
GWB
$340K ﹤0.01%
+8,108
New +$343K
AMN icon
444
AMN Healthcare
AMN
$1.28B
$339K ﹤0.01%
+5,780
New +$345K
PTC icon
445
PTC
PTC
$16.3B
$337K ﹤0.01%
+3,590
New +$310K
APOG icon
446
Apogee Enterprises
APOG
$904M
$332K ﹤0.01%
+6,890
New +$296K
XLV icon
447
State Street Health Care Select Sector SPDR ETF
XLV
$43.9B
$330K ﹤0.01%
3,957
OMCL icon
448
Omnicell
OMCL
$1.68B
$329K ﹤0.01%
+6,280
New +$295K
ACHC icon
449
Acadia Healthcare
ACHC
$2.9B
$326K ﹤0.01%
+7,960
New +$321K
MEI icon
450
Methode Electronics
MEI
$595M
$324K ﹤0.01%
+8,030
New +$328K

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William Blair Investment Management's Q2 2018 Portfolio in Review

As of Q2 2018, William Blair Investment Management held 522 positions worth $26.9B, up 2.6% from $26.2B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair Investment Management's Q2 2018 filing shows 90 new, 140 increased, 241 reduced and 46 closed positions. Its largest new stake was GoDaddy: 2,731,356 shares worth $193M. The largest sale was Abiomed Inc, an estimated $154M.

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

  • William Blair Investment Management's largest Q2 2018 buy was GoDaddy: 2,731,356 shares worth $193M.
  • William Blair Investment Management added most to State Street SPDR S&P 500 ETF Trust in Q2 2018, an estimated $99.1M increase.
  • William Blair Investment Management's biggest Q2 2018 reduction was Abiomed Inc, cutting an estimated $154M.
  • William Blair Investment Management fully exited Yelp in Q2 2018, selling an estimated $103M.
  • William Blair Investment Management's ten largest holdings make up 19% of its $26.9B portfolio in Q2 2018.
  • William Blair Investment Management opened 90 new positions and closed 46 in Q2 2018.
  • William Blair Investment Management's portfolio value rose 2.6% quarter-over-quarter to $26.9B.

Based on William Blair Investment Management's 13F filing for Q2 2018, filed 14 Aug 2018.