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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

Top Buys

Rank Stock Value
1
WAB icon
Wabtec
WAB
+$31.4M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$28.5M
3
VIG icon
Vanguard Dividend Appreciation ETF
VIG
+$26M
4
VEEV icon
Veeva Systems
VEEV
+$25M
5
PGR icon
Progressive
PGR
+$20.8M

Top Sells

Rank Stock Value
1
IDXX icon
Idexx Laboratories
IDXX
+$32.3M
2
MJN
Mead Johnson Nutrition Company
MJN
+$27.1M
3
TSCO icon
Tractor Supply
TSCO
+$23M
4
WM icon
Waste Management
WM
+$19.1M
5
TDG icon
TransDigm Group
TDG
+$16.5M

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
MDY icon
301
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$26.6B
$5.49M 0.04%
17,473
+2,132
+14% +$662K
BDX icon
302
Becton Dickinson
BDX
$45.6B
$5.47M 0.04%
30,596
+1,745
+6% +$304K
AXTA icon
303
Axalta
AXTA
$7.66B
$5.42M 0.04%
168,248
-12,599
-7% -$374K
EEM icon
304
iShares MSCI Emerging Markets ETF
EEM
$28.8B
$5.35M 0.04%
139,825
+19,191
+16% +$729K
MAS icon
305
Masco
MAS
$14.1B
$5.32M 0.04%
157,226
+1,775
+1% +$59.3K
PRGO icon
306
Perrigo
PRGO
$1.4B
$5.29M 0.04%
76,704
-5,475
-7% -$416K
VXF icon
307
Vanguard Extended Market ETF
VXF
$30.3B
$5.13M 0.04%
51,302
+6,275
+14% +$621K
PBPB
308
DELISTED
Potbelly
PBPB
$5.12M 0.04%
391,475
+10,277
+3% +$135K
OKS
309
DELISTED
Oneok Partners LP
OKS
$5.11M 0.04%
97,527
+9,011
+10% +$450K
WOOF
310
DELISTED
VCA Inc.
WOOF
$5.1M 0.04%
55,817
-2,440
-4% -$219K
ROP icon
311
Roper Technologies
ROP
$38.8B
$5.08M 0.04%
24,472
+778
+3% +$156K
CCN
312
DELISTED
CardConnect Corp.
CCN
$4.98M 0.04%
375,740
+105,845
+39% +$1.45M
RF icon
313
Regions Financial
RF
$26.4B
$4.97M 0.04%
325,466
+312,840
+2,478% +$4.62M
EXP icon
314
Eagle Materials
EXP
$6.29B
$4.97M 0.04%
+47,880
New +$4.88M
MIDD icon
315
Middleby
MIDD
$6.04B
$4.96M 0.04%
36,363
-1,540
-4% -$209K
MGM icon
316
MGM Resorts International
MGM
$11.4B
$4.96M 0.04%
188,725
-5,250
-3% -$146K
SHLX
317
DELISTED
Shell Midstream Partners, L.P.
SHLX
$4.95M 0.04%
151,157
+17,077
+13% +$543K
MTX icon
318
Minerals Technologies
MTX
$2.36B
$4.91M 0.04%
63,921
+20,845
+48% +$1.61M
MON
319
DELISTED
Monsanto Co
MON
$4.91M 0.04%
43,163
-672
-2% -$74.4K
PNRA
320
DELISTED
Panera Bread Co
PNRA
$4.88M 0.04%
21,012
+13,240
+170% +$3.01M
DDD icon
321
3D Systems Corp
DDD
$431M
$4.88M 0.04%
+321,215
New +$5.04M
SPLV icon
322
Invesco S&P 500 Low Volatility ETF
SPLV
$7.12B
$4.87M 0.04%
111,895
-4,466
-4% -$191K
EVER
323
DELISTED
Everbank Financial Corp
EVER
$4.87M 0.04%
250,211
– –
KSS icon
324
Kohl's
KSS
$2.17B
$4.85M 0.04%
121,334
+806
+0.7% +$32.9K
MET icon
325
MetLife
MET
$61.9B
$4.85M 0.04%
103,471
-77
-0.1% -$3.67K
11 12
13
14 15

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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.