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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
+1.38%
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
$25.2B
AUM Growth
+$541M
Cap. Flow
+$455M
Cap. Flow %
1.8%
Top 10 Hldgs %
14.45%
Holding
499
New
55
Increased
184
Reduced
204
Closed
49

Top Buys

Rank Stock Value
1
WTW icon
Willis Towers Watson
WTW
+$201M
2
XRAY icon
Dentsply Sirona
XRAY
+$172M
3
CSRA
CSRA Inc.
CSRA
+$164M
4
ZTS icon
Zoetis
ZTS
+$137M
5
AKAM icon
Akamai
AKAM
+$125M

Top Sells

Rank Stock Value
1
SIRO
SIRONA DENTAL SYSTEMS INC COM STK
SIRO
+$199M
2
TW
TOWERS WATSON & CO COM STK CL A (DE)
TW
+$169M
3
PII icon
Polaris
PII
+$169M
4
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$152M
5
MDVN
MEDIVATION, INC.
MDVN
+$151M

Sector Composition

Rank Sector Weight
1 Healthcare 14.5%
2 Financials 12.48%
3 Technology 11.87%
4 Consumer Discretionary 11.84%
5 Industrials 11.39%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
ORLY icon
51
O'Reilly Automotive
ORLY
$75.3B
$175M 0.69%
9,577,980
+727,710
+8% +$12.4M
CSRA
52
DELISTED
CSRA Inc.
CSRA
$169M 0.67%
+6,284,716
New +$164M
ZTS icon
53
Zoetis
ZTS
$30.9B
$168M 0.67%
3,800,136
+3,224,643
+560% +$137M
ZD icon
54
Ziff Davis
ZD
$1.96B
$160M 0.64%
2,992,615
+645,539
+28% +$39.1M
PPG icon
55
PPG Industries
PPG
$25.7B
$158M 0.63%
1,416,600
+889,085
+169% +$87.4M
UNP icon
56
Union Pacific
UNP
$174B
$154M 0.61%
1,934,188
+381,713
+25% +$29.5M
EFX icon
57
Equifax
EFX
$21.4B
$152M 0.6%
1,329,559
-125,034
-9% -$13.2M
BWA icon
58
BorgWarner
BWA
$14.1B
$151M 0.6%
4,473,619
-2,050,354
-31% -$60.8M
G icon
59
Genpact
G
$5.7B
$150M 0.59%
5,515,307
-231,931
-4% -$5.87M
VRSK icon
60
Verisk Analytics
VRSK
$23.7B
$150M 0.59%
1,876,018
-534,711
-22% -$39.1M
ROST icon
61
Ross Stores
ROST
$81.5B
$148M 0.59%
2,564,353
+341,889
+15% +$19M
HDB icon
62
HDFC Bank
HDB
$121B
$148M 0.59%
9,610,652
-588,904
-6% -$8.41M
MIDD icon
63
Middleby
MIDD
$5.51B
$146M 0.58%
1,363,076
-97,227
-7% -$9.14M
KR icon
64
Kroger
KR
$34.3B
$140M 0.56%
3,663,653
+2,908,511
+385% +$112M
DHR icon
65
Danaher
DHR
$146B
$139M 0.55%
2,176,072
+167,338
+8% +$9.98M
LOW icon
66
Lowe's Companies
LOW
$124B
$137M 0.54%
1,807,128
+102,221
+6% +$7.21M
HBI
67
DELISTED
Hanesbrands
HBI
$137M 0.54%
4,822,915
+395,136
+9% +$11.3M
TXN icon
68
Texas Instruments
TXN
$257B
$136M 0.54%
2,375,359
+285,836
+14% +$15.2M
LGND icon
69
Ligand Pharmaceuticals
LGND
$5.78B
$132M 0.52%
1,970,812
+142,573
+8% +$8.67M
ULTA icon
70
Ulta Beauty
ULTA
$23.3B
$130M 0.52%
672,327
+151,228
+29% +$26.3M
ENB icon
71
Enbridge
ENB
$113B
$130M 0.51%
3,319,380
-30,230
-0.9% -$1.03M
AAPL icon
72
Apple
AAPL
$4.47T
$127M 0.5%
4,657,588
+1,672,936
+56% +$41.7M
TSCO icon
73
Tractor Supply
TSCO
$18.7B
$126M 0.5%
6,969,505
+2,990,230
+75% +$51.2M
GILD icon
74
Gilead Sciences
GILD
$169B
$125M 0.5%
1,360,342
-97,697
-7% -$8.81M
ICLR icon
75
Icon
ICLR
$12.7B
$121M 0.48%
1,614,593
-11,114
-0.7% -$779K
1 2
3
4 5

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William Blair Investment Management's Q1 2016 Portfolio in Review

As of Q1 2016, William Blair Investment Management held 499 positions worth $25.2B, up 2.2% from $24.7B the previous quarter. Its ten largest holdings account for 14% of the portfolio.

William Blair Investment Management's Q1 2016 filing shows 55 new, 184 increased, 204 reduced and 49 closed positions. Its largest new stake was Willis Towers Watson: 1,741,517 shares worth $207M. The largest sale was SIRONA DENTAL SYSTEMS INC COM STK, an estimated $199M.

By sector, the portfolio is most concentrated in Healthcare at 14% of assets, up from 13% a quarter earlier, followed by Financials and Technology.

  • William Blair Investment Management's largest Q1 2016 buy was Willis Towers Watson: 1,741,517 shares worth $207M.
  • William Blair Investment Management added most to Zoetis in Q1 2016, an estimated $137M increase.
  • William Blair Investment Management's biggest Q1 2016 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $152M.
  • William Blair Investment Management fully exited SIRONA DENTAL SYSTEMS INC COM STK in Q1 2016, selling an estimated $199M.
  • William Blair Investment Management's ten largest holdings make up 14% of its $25.2B portfolio in Q1 2016.
  • William Blair Investment Management opened 55 new positions and closed 49 in Q1 2016.
  • William Blair Investment Management's portfolio value rose 2.2% quarter-over-quarter to $25.2B.

Based on William Blair Investment Management's 13F filing for Q1 2016, filed 16 May 2016.