We are live on ! Find out more
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
+7.4%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+512.03%
AUM
$14.7B
AUM Growth
+$1.4B
Cap. Flow
+$534M
Cap. Flow %
3.62%
Top 10 Hldgs %
19%
Holding
1,488
New
131
Increased
528
Reduced
556
Closed
127

Top Sells

Rank Stock Value
1
ZD icon
Ziff Davis
ZD
+$22.1M
2
GE icon
GE Aerospace
GE
+$19.1M
3
EFX icon
Equifax
EFX
+$17.7M
4
NUVA
NuVasive, Inc.
NUVA
+$17.1M
5
WBA
Walgreens Boots Alliance
WBA
+$13.6M

Sector Composition

Rank Sector Weight
1 Healthcare 17.74%
2 Technology 17.58%
3 Financials 14.76%
4 Industrials 10.83%
5 Consumer Discretionary 9.09%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
OXSQ icon
826
Oxford Square Capital
OXSQ
$163M
$751K 0.01%
130,760
DON icon
827
WisdomTree US MidCap Dividend Fund
DON
$4.03B
$750K 0.01%
21,270
-900
-4% -$30.8K
DELL icon
828
Dell
DELL
$262B
$748K 0.01%
32,778
-271
-0.8% -$6.14K
CXW icon
829
CoreCivic
CXW
$2.96B
$747K 0.01%
33,213
+3,763
+13% +$90.4K
EQR icon
830
Equity Residential
EQR
$24.9B
$745K 0.01%
11,682
-1,589
-12% -$106K
REGN icon
831
Regeneron Pharmaceuticals
REGN
$78.5B
$745K 0.01%
1,982
+142
+8% +$57.5K
AYR
832
DELISTED
Aircastle Ltd
AYR
$743K 0.01%
31,775
-533
-2% -$12.5K
LUV icon
833
Southwest Airlines
LUV
$22B
$741K 0.01%
11,319
+2,360
+26% +$139K
OFG icon
834
OFG Bancorp
OFG
$2.23B
$741K 0.01%
+78,817
New +$707K
CABO icon
835
Cable One
CABO
$227M
$737K 0.01%
1,048
+2
+0.2% +$1.41K
HXL icon
836
Hexcel
HXL
$7.79B
$736K 0.01%
11,900
+265
+2% +$16.1K
USIG icon
837
iShares Broad USD Investment Grade Corporate Bond ETF
USIG
$17.3B
$736K 0.01%
13,134
-1,936
-13% -$108K
IPG
838
DELISTED
Interpublic Group of Companies
IPG
$734K 0.01%
36,395
-705
-2% -$14.1K
MXIM
839
DELISTED
Maxim Integrated Products
MXIM
$734K 0.01%
14,049
+3,540
+34% +$184K
CMP icon
840
Compass Minerals
CMP
$1.23B
$732K 0.01%
10,131
-1,327
-12% -$89.3K
KDNY
841
DELISTED
Chinook Therapeutics, Inc. Common Stock
KDNY
$727K ﹤0.01%
19,375
-24,831
-56% -$1.08M
LNC icon
842
Lincoln National
LNC
$8.73B
$723K ﹤0.01%
9,408
+282
+3% +$21.3K
FDS icon
843
Factset
FDS
$9.36B
$722K ﹤0.01%
3,748
-291
-7% -$55.8K
PLOW icon
844
Douglas Dynamics
PLOW
$1.02B
$722K ﹤0.01%
19,110
-18,590
-49% -$742K
TNL icon
845
Travel + Leisure Co
TNL
$4.66B
$722K ﹤0.01%
13,806
+13
+0.1% +$645
NLY icon
846
Annaly Capital Management
NLY
$17.1B
$721K ﹤0.01%
15,168
-400
-3% -$19K
IJS icon
847
iShares S&P Small-Cap 600 Value ETF
IJS
$8.12B
$720K ﹤0.01%
9,380
+4,376
+87% +$330K
SHPG
848
DELISTED
Shire pic
SHPG
$720K ﹤0.01%
4,644
-7,789
-63% -$1.15M
MCK icon
849
McKesson
MCK
$100B
$714K ﹤0.01%
4,581
-205
-4% -$30.4K
OSK icon
850
Oshkosh
OSK
$8.79B
$713K ﹤0.01%
7,846
-49
-0.6% -$4.29K

Similar funds

William Blair & Company's Q4 2017 Portfolio in Review

As of Q4 2017, William Blair & Company held 1,488 positions worth $14.7B, up 10% from $13.3B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair & Company deployed $534M of net new capital in Q4 2017, opening 131 new positions and adding to 528 existing holdings. Its largest new stake was Dynavax Technologies: 1,980,526 shares worth $37M.

By sector, the portfolio is most concentrated in Healthcare at 18% of assets, down from 19% a quarter earlier, followed by Technology and Financials.

On the sell side, the largest reduction was Ziff Davis, an estimated $22.1M trimmed.

  • William Blair & Company's largest Q4 2017 buy was Dynavax Technologies: 1,980,526 shares worth $37M.
  • William Blair & Company added most to Alphabet (Google) Class C in Q4 2017, an estimated $138M increase.
  • William Blair & Company's biggest Q4 2017 reduction was Ziff Davis, cutting an estimated $22.1M.
  • William Blair & Company fully exited Bob Evans Farms, Inc. in Q4 2017, selling an estimated $12.5M.
  • William Blair & Company's ten largest holdings make up 19% of its $14.7B portfolio in Q4 2017.
  • William Blair & Company opened 131 new positions and closed 127 in Q4 2017.
  • William Blair & Company's portfolio value rose 10% quarter-over-quarter to $14.7B.

Based on William Blair & Company's 13F filing for Q4 2017, filed 14 Feb 2018.