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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
ALL icon
551
Allstate
ALL
$67.6B
$1.87M 0.02%
22,894
+527
+2% +$41.5K
POOL icon
552
Pool Corp
POOL
$7.11B
$1.86M 0.02%
16,167
+204
+1% +$22.9K
IDV icon
553
iShares International Select Dividend ETF
IDV
$8.47B
$1.85M 0.01%
60,303
-5,453
-8% -$168K
TEP
554
DELISTED
Tallgrass Energy Partners, LP
TEP
$1.85M 0.01%
34,610
+1,250
+4% +$64K
MNST icon
555
Monster Beverage
MNST
$91.5B
$1.84M 0.01%
80,114
+60,904
+317% +$1.36M
MTN icon
556
Vail Resorts
MTN
$5.32B
$1.84M 0.01%
9,595
+7,716
+411% +$1.37M
THRM icon
557
Gentherm
THRM
$1.28B
$1.84M 0.01%
46,915
+25,493
+119% +$913K
ZBH icon
558
Zimmer Biomet
ZBH
$18.8B
$1.83M 0.01%
16,028
+132
+0.8% +$15K
SSTK icon
559
Shutterstock
SSTK
$223M
$1.82M 0.01%
41,820
+7,595
+22% +$362K
DE icon
560
Deere & Co
DE
$163B
$1.82M 0.01%
16,661
-5,453
-25% -$591K
PCYO icon
561
Pure Cycle
PCYO
$258M
$1.82M 0.01%
+353,655
New +$1.88M
YHOO
562
DELISTED
Yahoo Inc
YHOO
$1.81M 0.01%
39,712
-1,565
-4% -$69.9K
AVDL
563
DELISTED
Avadel Pharmaceuticals
AVDL
$1.81M 0.01%
+170,024
New +$1.7M
IUSG icon
564
iShares Core S&P US Growth ETF
IUSG
$32.7B
$1.81M 0.01%
39,272
-20,475
-34% -$927K
STZ icon
565
Constellation Brands
STZ
$22.4B
$1.8M 0.01%
11,343
+3,024
+36% +$471K
VCIT icon
566
Vanguard Intermediate-Term Corporate Bond ETF
VCIT
$66B
$1.8M 0.01%
20,857
-5,921
-22% -$509K
TFC icon
567
Truist Financial
TFC
$63.4B
$1.79M 0.01%
39,763
-696
-2% -$32.5K
IGF icon
568
iShares Global Infrastructure ETF
IGF
$10.9B
$1.78M 0.01%
43,688
-541
-1% -$21.9K
CECO icon
569
Ceco Environmental
CECO
$3.99B
$1.76M 0.01%
+155,383
New +$1.87M
CBM
570
DELISTED
Cambrex Corporation
CBM
$1.74M 0.01%
31,321
-736
-2% -$39.3K
ODFL icon
571
Old Dominion Freight Line
ODFL
$44B
$1.74M 0.01%
60,894
-1,185
-2% -$35.1K
RGEN icon
572
Repligen
RGEN
$8.3B
$1.73M 0.01%
49,257
+1,193
+2% +$37.8K
SLCA
573
DELISTED
U.S. SILICA HOLDINGS, INC.
SLCA
$1.72M 0.01%
33,950
-8,714
-20% -$466K
CNI icon
574
Canadian National Railway
CNI
$76.1B
$1.71M 0.01%
23,506
-1,761
-7% -$125K
HSTM icon
575
HealthStream
HSTM
$828M
$1.7M 0.01%
69,255
+7,200
+12% +$168K
21 22
23
24 25

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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.