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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
+6.15%
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
$26.9B
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
EMB icon
476
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$14.9B
$64K ﹤0.01%
600
-100
-14% -$10.9K
ASR icon
477
Grupo Aeroportuario del Sureste
ASR
$8.21B
-70,528
Closed -$12M
AVGO icon
478
Broadcom
AVGO
$2T
-1,441,620
Closed -$34M
AZUL
479
DELISTED
Azul
AZUL
-793,046
Closed -$27.6M
BHP icon
480
BHP
BHP
$231B
-268,342
Closed -$10.6M
BMRN icon
481
BioMarin Pharmaceuticals
BMRN
$13.6B
-482,850
Closed -$39.1M
CGNX icon
482
Cognex
CGNX
$10.4B
-85,902
Closed -$4.47M
COLB icon
483
Columbia Banking Systems
COLB
$9B
-91,946
Closed -$3.86M
CPA icon
484
Copa Holdings
CPA
$5.57B
-196,600
Closed -$25.3M
DESP
485
DELISTED
Despegar.com
DESP
-579,952
Closed -$18.1M
EEMS icon
486
iShares MSCI Emerging Markets Small-Cap ETF
EEMS
$379M
-284,000
Closed -$15.2M
GRFS
487
Grifois
GRFS
$5.4B
-238,400
Closed -$5.05M
HBM icon
488
Hudbay
HBM
$12.5B
-877,678
Closed -$6.21M
IWF icon
489
iShares Russell 1000 Growth ETF
IWF
$128B
-2,247,720
Closed -$76.5M
KMT icon
490
Kennametal
KMT
$2.3B
-374,909
Closed -$15.1M
KSS icon
491
Kohl's
KSS
$2.14B
-21,751
Closed -$1.43M
LOMA
492
Loma Negra
LOMA
$1.17B
-1,784,061
Closed -$38M
MD icon
493
Pediatrix Medical
MD
$2.13B
-14,435
Closed -$803K
NNN icon
494
NNN REIT
NNN
$8.72B
-38,923
Closed -$1.53M
NVO
495
Novo Nordisk
NVO
$202B
-309,814
Closed -$7.63M
NVS icon
496
Novartis
NVS
$291B
-59,478
Closed -$4.31M
OC icon
497
Owens Corning
OC
$12.4B
-12,467
Closed -$1M
PNW icon
498
Pinnacle West Capital
PNW
$12.2B
-16,481
Closed -$1.31M
PRTS icon
499
CarParts.com
PRTS
$50.9M
-184,362
Closed -$3.78M
QLYS icon
500
Qualys
QLYS
$6.35B
-89,501
Closed -$6.51M

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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.