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William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
+0.39%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$10.6B
AUM Growth
-$28.4M
Cap. Flow
+$48.9M
Cap. Flow %
0.46%
Top 10 Hldgs %
17.73%
Holding
1,332
New
89
Increased
456
Reduced
508
Closed
121

Top Buys

Rank Stock Value
1
XRAY icon
Dentsply Sirona
XRAY
+$51.3M
2
MSFT icon
Microsoft
MSFT
+$36.9M
3
PYPL icon
PayPal
PYPL
+$21.2M
4
AMT icon
American Tower
AMT
+$21.2M
5
OMC icon
Omnicom Group
OMC
+$18.3M

Sector Composition

Rank Sector Weight
1 Healthcare 18.96%
2 Technology 15.24%
3 Industrials 12.81%
4 Financials 11.94%
5 Consumer Discretionary 11.43%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
NSR
601
DELISTED
Neustar Inc
NSR
$1.04M 0.01%
42,482
-83,645
-66% -$2M
DNB
602
DELISTED
Dun & Bradstreet
DNB
$1.04M 0.01%
10,099
-269
-3% -$26.1K
AEP icon
603
American Electric Power
AEP
$68.2B
$1.03M 0.01%
15,495
-317
-2% -$19.6K
FUSB icon
604
First US Bancshares
FUSB
$92.2M
$1.02M 0.01%
125,500
JCI icon
605
Johnson Controls International
JCI
$93.6B
$991K 0.01%
24,284
-10,665
-31% -$407K
PH icon
606
Parker-Hannifin
PH
$135B
$987K 0.01%
8,890
-255
-3% -$25.6K
GRFS
607
Grifois
GRFS
$5.33B
$983K 0.01%
63,602
-179,330
-74% -$2.71M
RKUS
608
DELISTED
RUCKUS WIRELESS INC COM STK (DE)
RKUS
$983K 0.01%
100,300
+1,500
+2% +$13.9K
GM icon
609
General Motors
GM
$76.3B
$981K 0.01%
31,220
-432
-1% -$13K
ALV icon
610
Autoliv
ALV
$8.83B
$979K 0.01%
11,483
MNDT
611
DELISTED
Mandiant, Inc. Common Stock
MNDT
$961K 0.01%
53,457
-339,415
-86% -$5.53M
BHC icon
612
Bausch Health
BHC
$2.21B
$960K 0.01%
36,520
+1,895
+5% +$140K
APC
613
DELISTED
Anadarko Petroleum
APC
$956K 0.01%
20,530
+724
+4% +$29.4K
BR icon
614
Broadridge
BR
$18.8B
$949K 0.01%
16,000
-1,521
-9% -$83K
DLN icon
615
WisdomTree US LargeCap Dividend Fund
DLN
$6.37B
$946K 0.01%
25,792
-610
-2% -$21.2K
KATE
616
DELISTED
Kate Spade & Company
KATE
$943K 0.01%
36,993
+865
+2% +$17K
ATRC icon
617
AtriCure
ATRC
$2.01B
$937K 0.01%
55,665
+940
+2% +$16.5K
WWAV
618
DELISTED
The WhiteWave Foods Company
WWAV
$923K 0.01%
22,730
-2,446
-10% -$93K
PFF icon
619
iShares Preferred and Income Securities ETF
PFF
$13.2B
$917K 0.01%
23,500
+3,500
+18% +$134K
VOD icon
620
Vodafone
VOD
$37B
$909K 0.01%
28,372
+804
+3% +$25K
RELX icon
621
RELX
RELX
$62.4B
$907K 0.01%
48,294
-1,692
-3% -$29.8K
BAY
622
DELISTED
BAYER AG SPONS ADR
BAY
$905K 0.01%
7,713
+1,393
+22% +$163K
FMER
623
DELISTED
FIRSTMERIT CORP
FMER
$903K 0.01%
42,922
+500
+1% +$9.66K
CEF icon
624
Sprott Physical Gold and Silver Trust
CEF
$7.83B
$899K 0.01%
75,027
IEI icon
625
iShares 3-7 Year Treasury Bond ETF
IEI
$17.7B
$892K 0.01%
+7,081
New +$885K

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William Blair & Company's Q1 2016 Portfolio in Review

As of Q1 2016, William Blair & Company held 1,332 positions worth $10.6B, down 0.27% from $10.7B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair & Company's Q1 2016 filing shows 89 new, 456 increased, 508 reduced and 121 closed positions. Its largest new stake was Willis Towers Watson: 37,173 shares worth $4.41M. The largest sale was SIRONA DENTAL SYSTEMS INC COM STK, an estimated $57.3M.

By sector, the portfolio is most concentrated in Healthcare at 19% of assets, down from 20% a quarter earlier, followed by Technology and Industrials.

  • William Blair & Company's largest Q1 2016 buy was Willis Towers Watson: 37,173 shares worth $4.41M.
  • William Blair & Company added most to Dentsply Sirona in Q1 2016, an estimated $51.3M increase.
  • William Blair & Company's biggest Q1 2016 reduction was WEX, cutting an estimated $35.3M.
  • William Blair & Company fully exited SIRONA DENTAL SYSTEMS INC COM STK in Q1 2016, selling an estimated $57.3M.
  • William Blair & Company's ten largest holdings make up 18% of its $10.6B portfolio in Q1 2016.
  • William Blair & Company opened 89 new positions and closed 121 in Q1 2016.
  • William Blair & Company's portfolio value fell 0.27% quarter-over-quarter to $10.6B.

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