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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
+4.57%
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
$13.3B
AUM Growth
+$17.7M
Cap. Flow
-$449M
Cap. Flow %
-3.37%
Top 10 Hldgs %
18.64%
Holding
1,772
New
130
Increased
581
Reduced
525
Closed
417

Top Buys

Rank Stock Value
1
WSO icon
Watsco Inc
WSO
+$36.3M
2
BL icon
BlackLine
BL
+$21.8M
3
EVH icon
Evolent Health
EVH
+$19.6M
4
PGR icon
Progressive
PGR
+$17.2M
5
JPM icon
JPMorgan Chase
JPM
+$16.9M

Top Sells

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$115M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$66M
3
COST icon
Costco
COST
+$33M
4
XRAY icon
Dentsply Sirona
XRAY
+$30.5M
5
PRAA icon
PRA Group
PRAA
+$24.5M

Sector Composition

Rank Sector Weight
1 Healthcare 18.86%
2 Technology 17.6%
3 Financials 14.62%
4 Industrials 10.54%
5 Consumer Discretionary 8.84%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CB icon
351
Chubb
CB
$135B
$4.74M 0.04%
33,279
-61,932
-65% -$8.96M
RF icon
352
Regions Financial
RF
$26.4B
$4.74M 0.04%
311,475
-83,756
-21% -$1.2M
SHAK icon
353
Shake Shack
SHAK
$2.53B
$4.73M 0.04%
142,430
-122,487
-46% -$4.01M
IWS icon
354
iShares Russell Mid-Cap Value ETF
IWS
$15.6B
$4.72M 0.04%
55,549
-1,925
-3% -$161K
VB icon
355
Vanguard Morningstar Small-Cap ETF
VB
$79.5B
$4.69M 0.04%
33,188
+1,240
+4% +$169K
YUM icon
356
Yum! Brands
YUM
$41.8B
$4.66M 0.03%
63,242
+752
+1% +$56.6K
NEO icon
357
NeoGenomics
NEO
$1.96B
$4.63M 0.03%
416,390
+38,718
+10% +$377K
EPAY
358
DELISTED
Bottomline Technologies Inc
EPAY
$4.63M 0.03%
145,566
-25,810
-15% -$752K
MAIN icon
359
Main Street Capital
MAIN
$5.06B
$4.61M 0.03%
115,955
+116
+0.1% +$4.56K
BLBD icon
360
Blue Bird Corp
BLBD
$2.35B
$4.52M 0.03%
219,248
+2,330
+1% +$41.9K
EXP icon
361
Eagle Materials
EXP
$6.29B
$4.48M 0.03%
42,015
-3,650
-8% -$348K
SIX
362
DELISTED
Six Flags Entertainment Corp.
SIX
$4.44M 0.03%
72,872
+13,975
+24% +$783K
BDSI
363
DELISTED
BioDelivery Sciences International, Inc.
BDSI
$4.42M 0.03%
1,498,597
+27,475
+2% +$83.7K
ITOT icon
364
iShares Core S&P Total US Stock Market ETF
ITOT
$94.3B
$4.41M 0.03%
76,549
+21,845
+40% +$1.23M
IWB icon
365
iShares Russell 1000 ETF
IWB
$48.2B
$4.41M 0.03%
31,536
+1,019
+3% +$140K
MDLZ icon
366
Mondelez International
MDLZ
$79.5B
$4.38M 0.03%
107,837
-2,414
-2% -$103K
SLCA
367
DELISTED
U.S. SILICA HOLDINGS, INC.
SLCA
$4.36M 0.03%
140,397
-56,303
-29% -$1.63M
VIRT icon
368
Virtu Financial
VIRT
$5.11B
$4.33M 0.03%
267,547
+10,386
+4% +$175K
PLNT icon
369
Planet Fitness
PLNT
$4.42B
$4.3M 0.03%
159,531
+12,837
+9% +$312K
SHLX
370
DELISTED
Shell Midstream Partners, L.P.
SHLX
$4.3M 0.03%
154,442
+1,670
+1% +$46.8K
PRGO icon
371
Perrigo
PRGO
$1.4B
$4.27M 0.03%
50,483
-5,844
-10% -$455K
VPL icon
372
Vanguard FTSE Pacific ETF
VPL
$8.08B
$4.27M 0.03%
62,618
+850
+1% +$57.2K
EGRX
373
DELISTED
Eagle Pharmaceuticals, Inc.
EGRX
$4.27M 0.03%
71,575
-7,460
-9% -$451K
IBB icon
374
iShares Biotechnology ETF
IBB
$9.34B
$4.26M 0.03%
38,292
+264
+0.7% +$28.2K
VGT icon
375
Vanguard Information Technology ETF
VGT
$139B
$4.26M 0.03%
224,008
+19,272
+9% +$357K
13 14
15
16 17

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William Blair & Company's Q3 2017 Portfolio in Review

As of Q3 2017, William Blair & Company held 1,772 positions worth $13.3B, up 0.13% from $13.3B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair & Company withdrew a net $449M in Q3 2017, closing 417 positions and reducing 525 holdings. Its most notable exit was Dave & Buster's, an estimated $20.3M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 19% of assets, up from 19% a quarter earlier, followed by Technology and Financials.

Against the trend, William Blair & Company opened a new position in Quantenna Communications, Inc. Common Stock worth $9.07M.

  • William Blair & Company's largest Q3 2017 buy was Quantenna Communications, Inc. Common Stock: 539,590 shares worth $9.07M.
  • William Blair & Company added most to Watsco Inc in Q3 2017, an estimated $36.3M increase.
  • William Blair & Company's biggest Q3 2017 reduction was Alphabet (Google) Class C, cutting an estimated $115M.
  • William Blair & Company fully exited Dave & Buster's in Q3 2017, selling an estimated $20.3M.
  • William Blair & Company's ten largest holdings make up 19% of its $13.3B portfolio in Q3 2017.
  • William Blair & Company opened 130 new positions and closed 417 in Q3 2017.
  • William Blair & Company's portfolio value rose 0.13% quarter-over-quarter to $13.3B.

Based on William Blair & Company's 13F filing for Q3 2017, filed 13 Nov 2017.