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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
DG icon
1201
Dollar General
DG
$28B
$205K ﹤0.01%
2,860
-30,242
-91% -$2.21M
PFG icon
1202
Principal Financial Group
PFG
$24.3B
$205K ﹤0.01%
+3,275
New +$200K
IFN
1203
Aberdeen India Fund
IFN
$499M
$204K ﹤0.01%
+8,308
New +$193K
RNG icon
1204
RingCentral
RNG
$4.66B
$204K ﹤0.01%
7,650
-4,050
-35% -$100K
SJNK icon
1205
State Street SPDR Bloomberg Short Term High Yield Bond ETF
SJNK
$4.89B
$204K ﹤0.01%
7,257
-961
-12% -$26.8K
PPL
1206
PPL Corp
PPL
$26.5B
$202K ﹤0.01%
5,470
-940
-15% -$33.6K
TOTL icon
1207
State Street DoubleLine Total Return Tactical ETF
TOTL
$4.09B
$202K ﹤0.01%
+4,130
New +$201K
GE icon
1208
CALL
GE Aerospace
GE
$374B
$200K ﹤0.01%
1,398
+1,335
+2,119% +$193K
XLRE icon
1209
State Street Real Estate Select Sector SPDR ETF
XLRE
$8.55B
$200K ﹤0.01%
+6,225
New +$194K
PVTB
1210
DELISTED
PrivateBancorp Inc
PVTB
$200K ﹤0.01%
+3,500
New +$196K
FCFP
1211
DELISTED
FIRST COMMUNITY FINANCIAL PARTNERS INC.
FCFP
$198K ﹤0.01%
15,000
YMLI
1212
DELISTED
VanEck Vectors High Income Infrastructure MLP ETF
YMLI
$196K ﹤0.01%
12,175
+50
+0.4% +$802
AMAT icon
1213
PUT
Applied Materials
AMAT
$403B
$195K ﹤0.01%
+5,000
New +$180K
SIRI icon
1214
SiriusXM
SIRI
$9.98B
$195K ﹤0.01%
3,821
+55
+1% +$2.7K
CS
1215
DELISTED
Credit Suisse Group
CS
$195K ﹤0.01%
+12,939
New +$198K
SEED icon
1216
Origin Agritech
SEED
$12.1M
$192K ﹤0.01%
+9,550
New +$195K
ACET
1217
DELISTED
Aceto Corp
ACET
$192K ﹤0.01%
12,517
-1,833
-13% -$31.3K
ABB
1218
CALL
DELISTED
ABB Ltd
ABB
$190K ﹤0.01%
+8,100
New +$185K
AVGR
1219
DELISTED
Avinger, Inc. Common Stock
AVGR
$188K ﹤0.01%
1
FTR
1220
DELISTED
Frontier Communications Corp.
FTR
$185K ﹤0.01%
4,304
+2,033
+90% +$93.1K
CMG icon
1221
CALL
Chipotle Mexican Grill
CMG
$47.2B
$178K ﹤0.01%
+20,000
New +$165K
NZF icon
1222
Nuveen Municipal Credit Income Fund
NZF
$2.4B
$178K ﹤0.01%
12,401
EMR icon
1223
CALL
Emerson Electric
EMR
$83.9B
$174K ﹤0.01%
2,900
+1,200
+71% +$71.6K
PBT
1224
Permian Basin Royalty Trust
PBT
$1.38B
$171K ﹤0.01%
18,500
-3,500
-16% -$31.2K
RPT
1225
Rithm Property Trust
RPT
$95.8M
$170K ﹤0.01%
2,243

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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.