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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
BEAV
1451
DELISTED
B/E Aerospace Inc
BEAV
-11,408
Closed -$687K
HAR
1452
DELISTED
Harman International Industries
HAR
-13,905
Closed -$1.55M
CLC
1453
DELISTED
Clarcor
CLC
-8,084
Closed -$667K
SE
1454
DELISTED
Spectra Energy Corp Wi
SE
-32,551
Closed -$1.34M
HCACU
1455
DELISTED
Hennessy Capital Acquisition Corp. Unit
HCACU
-552,000
Closed -$5.55M
HCACW
1456
DELISTED
Hennessy Capital Acquisition Corp. II
HCACW
-100,000
Closed -$85K
STJ
1457
DELISTED
St Jude Medical
STJ
-2,976
Closed -$239K
VE
1458
DELISTED
VEOLIA ENVIRONNEMENT
VE
-24,750
Closed -$422K
DVR
1459
DELISTED
CAL DIVE INTERNATIONAL INC COM
DVR
$0 ﹤0.01%
38,000
VLNC
1460
DELISTED
VALENCE TECHNOLOGY INC
VLNC
$0 ﹤0.01%
36,000
BGP
1461
DELISTED
BORDERS GROUP INC
BGP
-10,900
Closed
ABPI
1462
DELISTED
Accentia Biopharmaceuticals
ABPI
$0 ﹤0.01%
17,500
ATVI
1463
CALL
DELISTED
Activision Blizzard
ATVI
-500
Closed -$18K
KPN
1464
DELISTED
ROYAL KPN NV ADS (EA REPTG 1 ORD SH)
KPN
-11,053
Closed -$33K
BAY
1465
DELISTED
BAYER AG SPONS ADR
BAY
-4,314
Closed -$450K
KMI.WS
1466
DELISTED
Kinder Morgan Inc
KMI.WS
$0 ﹤0.01%
95,277
+52,117
+121% +$224
LIME
1467
DELISTED
LIME ENERGY CO.NEW COMMON STOCK
LIME
-14,704
Closed -$32K

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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.