We are live on ! Find out more
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
+1.38%
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
$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

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
LHO
451
DELISTED
LaSalle Hotel Properties
LHO
-563,254
Closed -$14.2M
RPXC
452
DELISTED
RPX Corporation
RPXC
-899,322
Closed -$9.89M
CAA
453
DELISTED
CalAtlantic Group, Inc.
CAA
-300,999
Closed -$11.4M
NVDQ
454
DELISTED
Novadaq Technologies Inc.
NVDQ
-505,377
Closed -$6.44M
ZLTQ
455
DELISTED
ZELTIQ Aesthetics, Inc.
ZLTQ
-280,756
Closed -$8.01M
CVT
456
DELISTED
CVENT, INC.
CVT
-1,934,170
Closed -$67.5M
FLTX
457
DELISTED
Fleetmatics Group PLC
FLTX
-94,894
Closed -$4.82M
FMER
458
DELISTED
FIRSTMERIT CORP
FMER
-805,939
Closed -$15M
SIRO
459
DELISTED
SIRONA DENTAL SYSTEMS INC COM STK
SIRO
-1,815,182
Closed -$199M
TW
460
DELISTED
TOWERS WATSON & CO COM STK CL A (DE)
TW
-1,317,994
Closed -$169M
MDVN
461
DELISTED
MEDIVATION, INC.
MDVN
-3,130,798
Closed -$151M

Similar funds

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.