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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
+7.4%
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
$14.7B
AUM Growth
+$1.4B
Cap. Flow
+$534M
Cap. Flow %
3.62%
Top 10 Hldgs %
19%
Holding
1,488
New
131
Increased
528
Reduced
556
Closed
127

Top Sells

Rank Stock Value
1
ZD icon
Ziff Davis
ZD
+$22.1M
2
GE icon
GE Aerospace
GE
+$19.1M
3
EFX icon
Equifax
EFX
+$17.7M
4
NUVA
NuVasive, Inc.
NUVA
+$17.1M
5
WBA
Walgreens Boots Alliance
WBA
+$13.6M

Sector Composition

Rank Sector Weight
1 Healthcare 17.74%
2 Technology 17.58%
3 Financials 14.76%
4 Industrials 10.83%
5 Consumer Discretionary 9.09%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
SODA
351
DELISTED
SodaStream International Ltd
SODA
$5.17M 0.04%
73,496
+65,321
+799% +$4.32M
DHI icon
352
D.R. Horton
DHI
$40B
$5.16M 0.04%
101,009
-83
-0.1% -$3.87K
RPD icon
353
Rapid7
RPD
$645M
$5.1M 0.03%
273,227
+1,565
+0.6% +$29K
WPC icon
354
W.P. Carey
WPC
$16.8B
$5.05M 0.03%
74,798
-2,400
-3% -$164K
UL icon
355
Unilever
UL
$137B
$5.03M 0.03%
80,708
-10,365
-11% -$657K
KRE icon
356
State Street SPDR S&P Regional Banking ETF
KRE
$4.5B
$5M 0.03%
85,053
+22,423
+36% +$1.29M
WPM icon
357
Wheaton Precious Metals
WPM
$49.5B
$4.98M 0.03%
225,020
+15,884
+8% +$331K
EPAY
358
DELISTED
Bottomline Technologies Inc
EPAY
$4.98M 0.03%
143,591
-1,975
-1% -$66.2K
EBAY icon
359
eBay
EBAY
$50.6B
$4.94M 0.03%
130,967
-1,616
-1% -$60K
TWLO icon
360
Twilio
TWLO
$30B
$4.9M 0.03%
207,708
-267,535
-56% -$7.51M
IWB icon
361
iShares Russell 1000 ETF
IWB
$48.2B
$4.86M 0.03%
32,709
+1,173
+4% +$170K
BND icon
362
Vanguard Total Bond Market
BND
$157B
$4.84M 0.03%
59,401
+1,029
+2% +$84.1K
IWS icon
363
iShares Russell Mid-Cap Value ETF
IWS
$15.6B
$4.84M 0.03%
54,299
-1,250
-2% -$109K
VPL icon
364
Vanguard FTSE Pacific ETF
VPL
$8.08B
$4.84M 0.03%
66,353
+3,735
+6% +$267K
VB icon
365
Vanguard Morningstar Small-Cap ETF
VB
$79.5B
$4.83M 0.03%
32,667
-521
-2% -$75.4K
EFG icon
366
iShares MSCI EAFE Growth ETF
EFG
$16.6B
$4.76M 0.03%
58,939
-4,451
-7% -$353K
IX icon
367
ORIX
IX
$44B
$4.72M 0.03%
278,280
+31,375
+13% +$531K
PBPB
368
DELISTED
Potbelly
PBPB
$4.72M 0.03%
383,501
-1,919
-0.5% -$23.6K
MDLZ icon
369
Mondelez International
MDLZ
$79.5B
$4.72M 0.03%
110,181
+2,344
+2% +$98.4K
SPLV icon
370
Invesco S&P 500 Low Volatility ETF
SPLV
$7.12B
$4.71M 0.03%
98,738
-8,907
-8% -$420K
VFC icon
371
VF Corp
VFC
$5.63B
$4.66M 0.03%
66,931
-13,420
-17% -$887K
VGT icon
372
Vanguard Information Technology ETF
VGT
$139B
$4.63M 0.03%
224,736
+728
+0.3% +$14.8K
TSM icon
373
TSMC
TSM
$2.1T
$4.59M 0.03%
115,790
+12,422
+12% +$503K
TROW icon
374
T. Rowe Price
TROW
$23.9B
$4.59M 0.03%
43,747
+416
+1% +$40.6K
RHI icon
375
Robert Half
RHI
$3.87B
$4.59M 0.03%
82,584
-1,371
-2% -$72.9K

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William Blair & Company's Q4 2017 Portfolio in Review

As of Q4 2017, William Blair & Company held 1,488 positions worth $14.7B, up 10% from $13.3B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair & Company deployed $534M of net new capital in Q4 2017, opening 131 new positions and adding to 528 existing holdings. Its largest new stake was Dynavax Technologies: 1,980,526 shares worth $37M.

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

On the sell side, the largest reduction was Ziff Davis, an estimated $22.1M trimmed.

  • William Blair & Company's largest Q4 2017 buy was Dynavax Technologies: 1,980,526 shares worth $37M.
  • William Blair & Company added most to Alphabet (Google) Class C in Q4 2017, an estimated $138M increase.
  • William Blair & Company's biggest Q4 2017 reduction was Ziff Davis, cutting an estimated $22.1M.
  • William Blair & Company fully exited Bob Evans Farms, Inc. in Q4 2017, selling an estimated $12.5M.
  • William Blair & Company's ten largest holdings make up 19% of its $14.7B portfolio in Q4 2017.
  • William Blair & Company opened 131 new positions and closed 127 in Q4 2017.
  • William Blair & Company's portfolio value rose 10% quarter-over-quarter to $14.7B.

Based on William Blair & Company's 13F filing for Q4 2017, filed 14 Feb 2018.