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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
+1.8%
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
$11.2B
AUM Growth
-$134M
Cap. Flow
-$132M
Cap. Flow %
-1.18%
Top 10 Hldgs %
17.1%
Holding
1,560
New
265
Increased
457
Reduced
545
Closed
146

Top Buys

Rank Stock Value
1
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$42.6M
2
EW icon
Edwards Lifesciences
EW
+$30.9M
3
VBK icon
Vanguard Morningstar Small-Cap Growth ETF
VBK
+$18.6M
4
EVH icon
Evolent Health
EVH
+$17.8M
5
AME icon
Ametek
AME
+$16.4M

Top Sells

Rank Stock Value
1
CERN
Cerner Corp
CERN
+$58.7M
2
USMV icon
iShares MSCI USA Min Vol Factor ETF
USMV
+$30.9M
3
AGN
Allergan plc
AGN
+$25.4M
4
PRAA icon
PRA Group
PRAA
+$24.5M
5
PGND
PRESS GANEY HOLDINGS INC COM STK (DE)
PGND
+$24M

Sector Composition

Rank Sector Weight
1 Healthcare 18.3%
2 Technology 15.54%
3 Financials 12.99%
4 Industrials 11.67%
5 Consumer Discretionary 10.13%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
BX icon
476
Blackstone
BX
$107B
$2.1M 0.02%
77,839
+5,926
+8% +$154K
VLO icon
477
Valero Energy
VLO
$87.2B
$2.1M 0.02%
30,782
+12,673
+70% +$780K
CTSH icon
478
Cognizant
CTSH
$25.6B
$2.1M 0.02%
37,510
-14,196
-27% -$760K
MGK icon
479
Vanguard Morningstar Mega Cap Growth ETF
MGK
$33.9B
$2.09M 0.02%
119,895
+905
+0.8% +$15.7K
MRSH
480
Marsh
MRSH
$92.2B
$2.07M 0.02%
30,688
+3,124
+11% +$209K
EFAV icon
481
iShares MSCI EAFE Min Vol Factor ETF
EFAV
$5.46B
$2.07M 0.02%
33,785
-1,445
-4% -$91.3K
AAC
482
DELISTED
AAC Holdings
AAC
$2.06M 0.02%
284,050
+34,170
+14% +$391K
GOGO icon
483
Gogo Inc
GOGO
$492M
$2.01M 0.02%
218,291
-123,829
-36% -$1.22M
IEFA icon
484
iShares Core MSCI EAFE ETF
IEFA
$194B
$2.01M 0.02%
37,459
+11,648
+45% +$625K
CRTO icon
485
Criteo S.A. Ordinary Shares
CRTO
$883M
$1.99M 0.02%
48,530
-825
-2% -$32.2K
WTFC icon
486
Wintrust Financial
WTFC
$10.7B
$1.99M 0.02%
27,417
+976
+4% +$60.6K
ATR icon
487
AptarGroup
ATR
$8.63B
$1.98M 0.02%
26,979
-1,680
-6% -$125K
EEMV icon
488
iShares MSCI Emerging Markets Min Vol Factor ETF
EEMV
$3.52B
$1.97M 0.02%
40,364
+2,143
+6% +$110K
PFNX
489
DELISTED
Pfenex Inc.
PFNX
$1.96M 0.02%
216,384
+17,909
+9% +$164K
IDV icon
490
iShares International Select Dividend ETF
IDV
$8.48B
$1.94M 0.02%
65,756
-21,922
-25% -$641K
ATRC icon
491
AtriCure
ATRC
$2.01B
$1.94M 0.02%
99,035
-11,735
-11% -$213K
IPHI
492
DELISTED
INPHI CORPORATION
IPHI
$1.94M 0.02%
43,434
+1,924
+5% +$82.6K
IWB icon
493
iShares Russell 1000 ETF
IWB
$49.7B
$1.93M 0.02%
15,507
+870
+6% +$106K
SRE icon
494
Sempra
SRE
$55.1B
$1.93M 0.02%
38,290
-376
-1% -$19.1K
AMP icon
495
Ameriprise Financial
AMP
$49.5B
$1.93M 0.02%
17,361
+2,229
+15% +$235K
PDP icon
496
Invesco Dorsey Wright Momentum ETF
PDP
$1.49B
$1.92M 0.02%
45,745
-5,350
-10% -$224K
PGF icon
497
Invesco Financial Preferred ETF
PGF
$672M
$1.91M 0.02%
106,596
-28,238
-21% -$519K
FNGN
498
DELISTED
Financial Engines, Inc.
FNGN
$1.91M 0.02%
+51,919
New +$1.67M
AIRM
499
DELISTED
Air Methods Corp
AIRM
$1.91M 0.02%
59,876
-4,405
-7% -$136K
HSIC icon
500
Henry Schein
HSIC
$9.83B
$1.91M 0.02%
32,043
+242
+0.8% +$14.6K
18 19
20
21 22

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William Blair & Company's Q4 2016 Portfolio in Review

As of Q4 2016, William Blair & Company held 1,560 positions worth $11.2B, down 1.2% from $11.3B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair & Company's Q4 2016 filing shows 265 new, 457 increased, 545 reduced and 146 closed positions. Its largest new stake was Hilton Worldwide: 158,405 shares worth $12.9M. The largest sale was Cerner Corp, an estimated $58.7M.

By sector, the portfolio is most concentrated in Healthcare at 18% of assets, down from 20% a quarter earlier, followed by Technology and Financials.

  • William Blair & Company's largest Q4 2016 buy was Hilton Worldwide: 158,405 shares worth $12.9M.
  • William Blair & Company added most to State Street SPDR S&P 500 ETF Trust in Q4 2016, an estimated $42.6M increase.
  • William Blair & Company's biggest Q4 2016 reduction was Cerner Corp, cutting an estimated $58.7M.
  • William Blair & Company fully exited PRESS GANEY HOLDINGS INC COM STK (DE) in Q4 2016, selling an estimated $24M.
  • William Blair & Company's ten largest holdings make up 17% of its $11.2B portfolio in Q4 2016.
  • William Blair & Company opened 265 new positions and closed 146 in Q4 2016.
  • William Blair & Company's portfolio value fell 1.2% quarter-over-quarter to $11.2B.

Based on William Blair & Company's 13F filing for Q4 2016, filed 14 Feb 2017.