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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
SBUX icon
1351
CALL
Starbucks
SBUX
$120B
$23K ﹤0.01%
400
-600
-60% -$34K
AAPL icon
1352
CALL
Apple
AAPL
$4.54T
$17K ﹤0.01%
400
– –
SLCA
1353
CALL
DELISTED
U.S. SILICA HOLDINGS, INC.
SLCA
$16K ﹤0.01%
+500
New +$15.9K
CBI
1354
CALL
DELISTED
Chicago Bridge & Iron Nv
CBI
$16K ﹤0.01%
+1,000
New +$16.3K
DPLO
1355
CALL
DELISTED
DIPLOMAT PHARMACY, INC.
DPLO
$14K ﹤0.01%
+700
New +$13.8K
KMI icon
1356
CALL
Kinder Morgan
KMI
$71.7B
$13K ﹤0.01%
700
-300
-30% -$5.38K
NEE.PRR
1357
DELISTED
NextEra Energy, Inc.
NEE.PRR
$11K ﹤0.01%
+200
New +$11.3K
DCUD
1358
DELISTED
Dominion Energy, Inc 2016 Series A Corporate Units
DCUD
$10K ﹤0.01%
+200
New +$10.4K
SRPT icon
1359
CALL
Sarepta Therapeutics
SRPT
$1.57B
$6K ﹤0.01%
+100
New +$5.3K
AAP icon
1360
Advance Auto Parts
AAP
$3.35B
– –
-2,686
Closed -$266K
AAXJ icon
1361
iShares MSCI All Country Asia ex Japan ETF
AAXJ
$3.68B
– –
-38,192
Closed -$2.76M
ADX icon
1362
Adams Diversified Equity Fund
ADX
$3.13B
– –
-28,139
Closed -$428K
AFB
1363
AllianceBernstein National Municipal Income Fund
AFB
$313M
– –
-199,523
Closed -$2.79M
ALB icon
1364
Albemarle
ALB
$13.9B
– –
-4,483
Closed -$611K
AMX icon
1365
America Movil
AMX
$76.1B
– –
-10,917
Closed -$194K
AOS icon
1366
A.O. Smith
AOS
$8.29B
– –
-4,557
Closed -$271K
BAP icon
1367
Credicorp
BAP
$31.8B
– –
-1,038
Closed -$213K
BBDC icon
1368
Barings BDC
BBDC
$864M
– –
-15,650
Closed -$223K
BBN icon
1369
BlackRock Taxable Municipal Bond Trust
BBN
$978M
– –
-27,175
Closed -$635K
BKD icon
1370
Brookdale Senior Living
BKD
$3.49B
– –
-18,508
Closed -$196K
CBOE icon
1371
CALL
Cboe Global Markets
CBOE
$32.5B
– –
-100
Closed -$11K
CECO icon
1372
Ceco Environmental
CECO
$3.85B
– –
-157,283
Closed -$1.33M
CEF icon
1373
Sprott Physical Gold and Silver Trust
CEF
$7.4B
– –
-97,316
Closed -$1.23M
CIEN icon
1374
Ciena
CIEN
$53.4B
– –
-9,634
Closed -$212K
CIK
1375
Credit Suisse Asset Management Income Fund
CIK
$134M
– –
-13,644
Closed -$46K
53 54
55
56 57

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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.