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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
+4.87%
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
+$909M
Cap. Flow
+$365M
Cap. Flow %
2.74%
Top 10 Hldgs %
18.02%
Holding
1,758
New
284
Increased
677
Reduced
459
Closed
116

Top Buys

Rank Stock Value
1
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$28.4M
2
WAB icon
Wabtec
WAB
+$24.8M
3
KRNT icon
Kornit Digital
KRNT
+$21.3M
4
AXP icon
American Express
AXP
+$18.2M
5
MSFT icon
Microsoft
MSFT
+$18.2M

Top Sells

Rank Stock Value
1
MBLY
Mobileye N.V.
MBLY
+$60.9M
2
BMY icon
Bristol-Myers Squibb
BMY
+$25.7M
3
GWW icon
W.W. Grainger
GWW
+$21.5M
4
NORD
Nord Anglia Education, Inc.
NORD
+$17.5M
5
PLAY icon
Dave & Buster's
PLAY
+$17.4M

Sector Composition

Rank Sector Weight
1 Healthcare 18.81%
2 Technology 16.26%
3 Financials 13.98%
4 Industrials 10.73%
5 Consumer Discretionary 9.39%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
WY icon
276
Weyerhaeuser
WY
$17.6B
$7M 0.05%
208,860
+32,579
+18% +$1.1M
SLCA
277
DELISTED
U.S. SILICA HOLDINGS, INC.
SLCA
$6.98M 0.05%
196,700
+162,750
+479% +$6.41M
THS
278
DELISTED
Treehouse Foods
THS
$6.95M 0.05%
85,028
-1,476
-2% -$121K
XYL icon
279
Xylem
XYL
$28.5B
$6.92M 0.05%
124,903
+118,530
+1,860% +$6.17M
WP
280
DELISTED
Worldpay, Inc.
WP
$6.88M 0.05%
108,558
+10,652
+11% +$669K
EXC icon
281
Exelon
EXC
$48.1B
$6.86M 0.05%
266,714
-27,236
-9% -$693K
MBLY
282
DELISTED
Mobileye N.V.
MBLY
$6.78M 0.05%
108,026
-981,309
-90% -$60.9M
NVDQ
283
DELISTED
Novadaq Technologies Inc.
NVDQ
$6.78M 0.05%
578,150
-185,715
-24% -$1.47M
COP icon
284
ConocoPhillips
COP
$144B
$6.75M 0.05%
153,486
+2,867
+2% +$134K
CMI icon
285
Cummins
CMI
$83.6B
$6.62M 0.05%
40,775
-9,762
-19% -$1.51M
NWL icon
286
Newell Brands
NWL
$2.21B
$6.6M 0.05%
123,130
+23,650
+24% +$1.2M
ABCO
287
DELISTED
Advisory Board Co
ABCO
$6.59M 0.05%
128,043
-57,630
-31% -$2.89M
BX icon
288
Blackstone
BX
$104B
$6.57M 0.05%
197,063
+109,829
+126% +$3.44M
VNQI icon
289
Vanguard Global ex-US Real Estate ETF
VNQI
$3.51B
$6.55M 0.05%
116,492
+7,175
+7% +$399K
WES
290
DELISTED
Western Gas Partners Lp
WES
$6.36M 0.05%
113,625
+1,740
+2% +$98.8K
MU icon
291
Micron Technology
MU
$835B
$6.32M 0.05%
211,568
+15,775
+8% +$462K
RSP icon
292
Invesco S&P 500 Equal Weight ETF
RSP
$97.3B
$6.3M 0.05%
67,993
+3,087
+5% +$283K
NKTR icon
293
Nektar Therapeutics
NKTR
$2.39B
$6.3M 0.05%
21,484
+568
+3% +$164K
COF icon
294
Capital One
COF
$128B
$6.26M 0.05%
75,782
+36,483
+93% +$2.96M
EGRX
295
DELISTED
Eagle Pharmaceuticals, Inc.
EGRX
$6.24M 0.05%
79,035
+5,340
+7% +$437K
MD icon
296
Pediatrix Medical
MD
$2.2B
$6.21M 0.05%
102,826
-117,804
-53% -$6.98M
GRUB
297
DELISTED
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
$6.2M 0.05%
71,076
+10,966
+18% +$910K
IRDM icon
298
Iridium Communications
IRDM
$4.7B
$6.17M 0.05%
558,815
+48,171
+9% +$503K
KNSL icon
299
Kinsale Capital Group
KNSL
$8.58B
$6.16M 0.05%
165,146
+116,696
+241% +$4.1M
CCOI icon
300
Cogent Communications
CCOI
$635M
$6.13M 0.05%
152,985
+1,763
+1% +$73K
10 11
12
13 14

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William Blair & Company's Q2 2017 Portfolio in Review

As of Q2 2017, William Blair & Company held 1,758 positions worth $13.3B, up 7.3% from $12.4B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair & Company's Q2 2017 filing shows 284 new, 677 increased, 459 reduced and 116 closed positions. Its largest new stake was Bob Evans Farms, Inc.: 219,278 shares worth $15.8M. The largest sale was Mobileye N.V., an estimated $60.9M.

By sector, the portfolio is most concentrated in Healthcare at 19% of assets, up from 18% a quarter earlier, followed by Technology and Financials.

  • William Blair & Company's largest Q2 2017 buy was Bob Evans Farms, Inc.: 219,278 shares worth $15.8M.
  • William Blair & Company added most to Alphabet (Google) Class A in Q2 2017, an estimated $28.4M increase.
  • William Blair & Company's biggest Q2 2017 reduction was Mobileye N.V., cutting an estimated $60.9M.
  • William Blair & Company fully exited Nord Anglia Education, Inc. in Q2 2017, selling an estimated $17.5M.
  • William Blair & Company's ten largest holdings make up 18% of its $13.3B portfolio in Q2 2017.
  • William Blair & Company opened 284 new positions and closed 116 in Q2 2017.
  • William Blair & Company's portfolio value rose 7.3% quarter-over-quarter to $13.3B.

Based on William Blair & Company's 13F filing for Q2 2017, filed 4 Aug 2017.