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William Blair & Company

William Blair & Company Portfolio holdings

AUM $38.4B
1-Year Est. Return 25.71%
This Fund
S&P 500
This Quarter Est. Return
+10.98%
1 Year Est. Return
+25.71%
3 Year Est. Return
+88.7%
5 Year Est. Return
+104.53%
10 Year Est. Return
+665.86%
AUM
$12.4B
AUM Growth
+$1.23B
Cap. Flow
+$365M
Cap. Flow %
2.95%
Top 10 Hldgs %
17.91%
Holding
1,607
New
193
Increased
599
Reduced
461
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
TTE icon
TotalEnergies
TTE
+$54.4M
2
IDXX icon
Idexx Laboratories
IDXX
+$32.3M
3
MJN
Mead Johnson Nutrition Company
MJN
+$27.1M
4
TSCO icon
Tractor Supply
TSCO
+$23M
5
WM icon
Waste Management
WM
+$19.1M

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
MCHX icon
1401
Marchex
MCHX
$76.2M
– –
-11,800
Closed -$31K
MELI icon
1402
CALL
Mercado Libre
MELI
$98.2B
– –
-1,500
Closed -$234K
NKE icon
1403
CALL
Nike
NKE
$60.8B
– –
-100
Closed -$5K
NOBL icon
1404
ProShares S&P 500 Dividend Aristocrats ETF
NOBL
$11.9B
– –
-9,360
Closed -$252K
NXPI icon
1405
NXP Semiconductors
NXPI
$59B
– –
-6,700
Closed -$657K
OEF icon
1406
iShares S&P 100 ETF
OEF
$20.4B
– –
-2,400
Closed -$238K
PEP icon
1407
CALL
PepsiCo
PEP
$188B
– –
-500
Closed -$52K
PNR icon
1408
Pentair
PNR
$10.7B
– –
-5,771
Closed -$217K
PRAA icon
1409
PUT
PRA Group
PRAA
$708M
– –
-200
Closed -$8K
ROST icon
1410
CALL
Ross Stores
ROST
$81.5B
– –
-200
Closed -$13K
SCOR icon
1411
Comscore
SCOR
$110M
– –
-1,132
Closed -$715K
SHAK icon
1412
CALL
Shake Shack
SHAK
$2.85B
– –
-1,000
Closed -$35K
SLAB icon
1413
Silicon Laboratories
SLAB
$7.2B
– –
-3,580
Closed -$233K
TGT icon
1414
CALL
Target
TGT
$68.8B
– –
-300
Closed -$21K
TSLA icon
1415
PUT
Tesla
TSLA
$1.31T
– –
-7,500
Closed -$106K
USNA icon
1416
Usana Health Sciences
USNA
$258M
– –
-4,060
Closed -$248K
VNO icon
1417
Vornado Realty Trust
VNO
$7.34B
– –
-2,705
Closed -$228K
VRA icon
1418
Vera Bradley
VRA
$95.3M
– –
-10,346
Closed -$121K
VT icon
1419
Vanguard Total World Stock ETF
VT
$81B
– –
-10,786
Closed -$658K
WDAY icon
1420
CALL
Workday
WDAY
$44.6B
– –
-500
Closed -$33K
WFC icon
1421
CALL
Wells Fargo
WFC
$265B
– –
-3,200
Closed -$176K
WMT icon
1422
CALL
Walmart Inc
WMT
$896B
– –
-600
Closed -$13K
WNS
1423
DELISTED
WNS Holdings
WNS
– –
-56,123
Closed -$1.55M
WOLF icon
1424
Wolfspeed
WOLF
$1.6B
– –
-19,719
Closed -$520K
WTFC icon
1425
CALL
Wintrust Financial
WTFC
$10.9B
– –
-2,000
Closed -$145K
55 56
57
58 59

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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's Q1 2017 filing shows 193 new, 599 increased, 461 reduced and 133 closed positions. Its largest new stake was Park-Ohio Holdings: 200,527 shares worth $8.95M. The largest sale was TotalEnergies, an estimated $54.4M.

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

  • 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 TotalEnergies, cutting an estimated $54.4M.
  • 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.