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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
TCMD icon
176
Tactile Systems Technology
TCMD
$636M
$17.5M 0.12%
604,174
+5,923
+1% +$172K
WFC icon
177
Wells Fargo
WFC
$258B
$17.5M 0.12%
288,482
-35,502
-11% -$2.01M
PRLB icon
178
Protolabs
PRLB
$1.79B
$17M 0.12%
165,379
-12,498
-7% -$1.12M
KMI icon
179
Kinder Morgan
KMI
$70.5B
$17M 0.12%
942,265
-550,943
-37% -$9.89M
COO icon
180
Cooper Companies
COO
$14.2B
$16.9M 0.11%
310,536
-38,216
-11% -$2.23M
AMGN icon
181
Amgen
AMGN
$209B
$16.9M 0.11%
96,977
+6,183
+7% +$1.09M
FDX icon
182
FedEx
FDX
$73B
$16.8M 0.11%
67,444
+11,343
+20% +$2.59M
LGND icon
183
Ligand Pharmaceuticals
LGND
$5.94B
$16.8M 0.11%
196,214
-3,031
-2% -$263K
EL icon
184
Estee Lauder
EL
$30.7B
$16.4M 0.11%
128,745
+6,863
+6% +$824K
BUD icon
185
AB InBev
BUD
$166B
$16.4M 0.11%
146,700
+15,757
+12% +$1.85M
WMGI
186
DELISTED
Wright Medical Group Inc
WMGI
$16.3M 0.11%
735,941
-136,410
-16% -$3.36M
ILMN icon
187
Illumina
ILMN
$31B
$16.3M 0.11%
76,612
+2,111
+3% +$434K
PRAA icon
188
PRA Group
PRAA
$662M
$16.1M 0.11%
486,134
+457,209
+1,581% +$14.5M
GBCI icon
189
Glacier Bancorp
GBCI
$6.38B
$16.1M 0.11%
408,825
+369,445
+938% +$14M
IVV icon
190
iShares Core S&P 500 ETF
IVV
$872B
$16.1M 0.11%
59,898
+54,731
+1,059% +$14.3M
BP icon
191
BP
BP
$114B
$15.8M 0.11%
409,477
-18,274
-4% -$662K
TRMB icon
192
Trimble
TRMB
$13.3B
$15.6M 0.11%
384,367
-9,107
-2% -$373K
VOE icon
193
Vanguard Morningstar Mid-Cap Value ETF
VOE
$23.8B
$15.6M 0.11%
139,948
+33,633
+32% +$3.64M
AMJ
194
DELISTED
JP Morgan Alerian MLP Index ETN 5/24/24
AMJ
$15.3M 0.1%
556,959
+8,177
+1% +$222K
KO icon
195
Coca-Cola
KO
$381B
$15.1M 0.1%
329,518
-22,884
-6% -$1.05M
HON icon
196
Honeywell
HON
$76.7B
$15M 0.1%
108,240
+2,848
+3% +$382K
SJM icon
197
J.M. Smucker
SJM
$13.1B
$14.8M 0.1%
119,210
+17,149
+17% +$1.91M
SBNY
198
DELISTED
Signature Bank
SBNY
$14.8M 0.1%
107,878
-10,910
-9% -$1.44M
EMR icon
199
Emerson Electric
EMR
$83.3B
$14.8M 0.1%
212,130
+16,994
+9% +$1.1M
QCOM icon
200
Qualcomm
QCOM
$160B
$14.7M 0.1%
230,280
-9,805
-4% -$595K

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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.