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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 Buys

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$138M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$63.1M
3
DVAX
Dynavax Technologies
DVAX
+$39.8M
4
VEU icon
Vanguard FTSE All-World ex-US ETF
VEU
+$27.3M
5
VEEV icon
Veeva Systems
VEEV
+$16.3M

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
PINC
276
DELISTED
Premier
PINC
$7.63M 0.05%
261,347
-140,181
-35% -$4.32M
INFO
277
DELISTED
IHS Markit Ltd. Common Shares
INFO
$7.48M 0.05%
165,576
+1,363
+0.8% +$60.1K
DVY icon
278
iShares Select Dividend ETF
DVY
$23.5B
$7.42M 0.05%
75,337
-165
-0.2% -$15.9K
AKAM icon
279
Akamai
AKAM
$16.7B
$7.4M 0.05%
113,805
-1,748
-2% -$96.8K
CCOI icon
280
Cogent Communications
CCOI
$676M
$7.4M 0.05%
163,355
-4,418
-3% -$210K
COF icon
281
Capital One
COF
$128B
$7.37M 0.05%
73,974
-20
-0% -$1.82K
LFUS icon
282
Littelfuse
LFUS
$11.2B
$7.31M 0.05%
36,963
+1,322
+4% +$265K
BX icon
283
Blackstone
BX
$102B
$7.3M 0.05%
228,026
+12,354
+6% +$402K
VOT icon
284
Vanguard Morningstar Mid-Cap Growth ETF
VOT
$19.2B
$7.21M 0.05%
56,468
+17,327
+44% +$2.17M
IBKC
285
DELISTED
IBERIABANK Corp
IBKC
$7.1M 0.05%
91,594
-140,972
-61% -$10.8M
AAL icon
286
American Airlines Group
AAL
$10.1B
$7.07M 0.05%
135,842
+127,900
+1,610% +$6.37M
MRCY icon
287
Mercury Systems
MRCY
$5.83B
$7.02M 0.05%
136,668
-45,754
-25% -$2.35M
HOG icon
288
Harley-Davidson
HOG
$2.58B
$6.96M 0.05%
136,707
-58,340
-30% -$2.84M
VXF icon
289
Vanguard Extended Market ETF
VXF
$30.3B
$6.91M 0.05%
61,834
+4,303
+7% +$471K
NOW icon
290
ServiceNow
NOW
$115B
$6.85M 0.05%
262,645
-8,190
-3% -$204K
SPLK
291
DELISTED
Splunk Inc
SPLK
$6.8M 0.05%
82,080
-766
-0.9% -$56.2K
TJX icon
292
TJX Companies
TJX
$174B
$6.78M 0.05%
177,414
-11,520
-6% -$418K
MCO icon
293
Moody's
MCO
$82.8B
$6.74M 0.05%
45,654
+949
+2% +$139K
VCIT icon
294
Vanguard Intermediate-Term Corporate Bond ETF
VCIT
$66.2B
$6.73M 0.05%
77,031
+36,841
+92% +$3.23M
TTE icon
295
TotalEnergies
TTE
$195B
$6.71M 0.05%
121,429
+13,882
+13% +$766K
AGG icon
296
iShares Core US Aggregate Bond ETF
AGG
$137B
$6.71M 0.05%
61,357
+6,570
+12% +$718K
XLI icon
297
State Street Industrial Select Sector SPDR ETF
XLI
$32.8B
$6.69M 0.05%
88,464
+4,464
+5% +$325K
SNA icon
298
Snap-on
SNA
$21.2B
$6.69M 0.05%
38,392
+20
+0.1% +$3.23K
VOD icon
299
Vodafone
VOD
$36.3B
$6.67M 0.05%
209,090
-9,023
-4% -$270K
TWTR
300
DELISTED
Twitter, Inc.
TWTR
$6.67M 0.05%
277,598
-11,052
-4% -$227K
10 11
12
13 14

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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.