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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
+8.77%
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
$12.4B
AUM Growth
+$1.23B
Cap. Flow
+$420M
Cap. Flow %
3.39%
Top 10 Hldgs %
17.91%
Holding
1,607
New
193
Increased
600
Reduced
460
Closed
133

Sector Composition

Rank Sector Weight
1 Healthcare 18.3%
2 Technology 16.24%
3 Financials 13.61%
4 Industrials 11.16%
5 Consumer Discretionary 9.51%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
ENTL
651
DELISTED
Entellus Medical, Inc. Common Stock
ENTL
$1.23M 0.01%
+89,050
New +$1.43M
DVN icon
652
Devon Energy
DVN
$51.4B
$1.22M 0.01%
28,537
+2,445
+9% +$108K
RH icon
653
RH
RH
$3.29B
$1.22M 0.01%
40,025
-2,052
-5% -$63.4K
XLE icon
654
State Street Energy Select Sector SPDR ETF
XLE
$38.5B
$1.22M 0.01%
34,386
+6,930
+25% +$251K
TRI icon
655
Thomson Reuters
TRI
$44.4B
$1.21M 0.01%
24,187
-594
-2% -$30.3K
TCP
656
DELISTED
TC Pipelines LP
TCP
$1.21M 0.01%
19,844
APU
657
DELISTED
AmeriGas Partners, L.P.
APU
$1.21M 0.01%
25,738
+7,204
+39% +$341K
SUI icon
658
Sun Communities
SUI
$15.1B
$1.21M 0.01%
14,605
-515
-3% -$41K
XEL icon
659
Xcel Energy
XEL
$48.5B
$1.21M 0.01%
27,559
+334
+1% +$14.2K
XLK icon
660
State Street Technology Select Sector SPDR ETF
XLK
$117B
$1.21M 0.01%
45,894
-506
-1% -$13K
FLRN icon
661
State Street SPDR Bloomberg Investment Grade Floating Rate ETF
FLRN
$3.08B
$1.2M 0.01%
+39,000
New +$1.2M
CASH icon
662
Pathward Financial
CASH
$1.92B
$1.19M 0.01%
40,842
+16,359
+67% +$506K
BWA icon
663
BorgWarner
BWA
$13B
$1.19M 0.01%
32,335
-4,007
-11% -$146K
BMO icon
664
Bank of Montreal
BMO
$126B
$1.18M 0.01%
15,715
+1,999
+15% +$151K
BR icon
665
Broadridge
BR
$18.2B
$1.17M 0.01%
16,993
-314
-2% -$21.3K
USIG icon
666
iShares Broad USD Investment Grade Corporate Bond ETF
USIG
$17.3B
$1.17M 0.01%
21,200
-600
-3% -$32.8K
ALXN
667
DELISTED
Alexion Pharmaceuticals
ALXN
$1.15M 0.01%
8,770
+235
+3% +$30.3K
XYZ
668
Block Inc
XYZ
$48.9B
$1.14M 0.01%
66,058
+1,650
+3% +$25.8K
LOCO icon
669
El Pollo Loco
LOCO
$504M
$1.14M 0.01%
91,399
+70,830
+344% +$869K
FSV icon
670
FirstService
FSV
$6.61B
$1.14M 0.01%
19,330
-9,581
-33% -$515K
GEO icon
671
The GEO Group
GEO
$4.19B
$1.11M 0.01%
36,015
-2,588
-7% -$74.4K
AAC
672
CALL
DELISTED
AAC Holdings
AAC
$1.11M 0.01%
+130,000
New +$1.06M
LOPE icon
673
Grand Canyon Education
LOPE
$3.93B
$1.11M 0.01%
15,485
+10,718
+225% +$666K
AAPL icon
674
CALL
Apple
AAPL
$4.46T
$1.11M 0.01%
30,800
+6,000
+24% +$198K
SPSB icon
675
State Street SPDR Portfolio Short Term Corporate Bond ETF
SPSB
$10.6B
$1.1M 0.01%
35,956
-10,929
-23% -$334K

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William Blair & Company's Q1 2017 Portfolio in Review

As of Q1 2017, William Blair & Company held 1,607 positions worth $12.4B, up 11% from $11.2B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair & Company deployed $420M of net new capital in Q1 2017, opening 193 new positions and adding to 600 existing holdings. Its largest new stake was Park-Ohio Holdings: 200,527 shares worth $8.95M.

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

On the sell side, the largest reduction was Idexx Laboratories, an estimated $32.3M trimmed.

  • William Blair & Company's largest Q1 2017 buy was Park-Ohio Holdings: 200,527 shares worth $8.95M.
  • William Blair & Company added most to Wabtec in Q1 2017, an estimated $31.4M increase.
  • William Blair & Company's biggest Q1 2017 reduction was Idexx Laboratories, cutting an estimated $32.3M.
  • William Blair & Company fully exited Hennessy Capital Acquisition Corp. Unit in Q1 2017, selling an estimated $5.55M.
  • William Blair & Company's ten largest holdings make up 18% of its $12.4B portfolio in Q1 2017.
  • William Blair & Company opened 193 new positions and closed 133 in Q1 2017.
  • William Blair & Company's portfolio value rose 11% quarter-over-quarter to $12.4B.

Based on William Blair & Company's 13F filing for Q1 2017, filed 10 May 2017.