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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
POT
1476
DELISTED
Potash Corp Of Saskatchewan
POT
– –
-90,236
Closed -$1.74M
FIG
1477
DELISTED
Fortress Investment Group Llc
FIG
– –
-20,000
Closed -$159K
FNFV
1478
DELISTED
Fidelity Natl Financial, Inc.
FNFV
– –
-205,517
Closed -$3.52M
ABCO
1479
DELISTED
Advisory Board Co
ABCO
– –
-67,255
Closed -$3.61M
COWN
1480
DELISTED
Cowen Inc. Class A Common Stock
COWN
– –
-18,435
Closed -$328K
BBK
1481
DELISTED
Blackrock Municipal Bond Trust
BBK
– –
-21,700
Closed -$337K
CELG
1482
CALL
DELISTED
Celgene Corp
CELG
– –
-200
Closed -$29K
KODK.WS.A
1483
DELISTED
Eastman Kodak Company
KODK.WS.A
– –
-21,789
Closed -$2K
BOBE
1484
DELISTED
Bob Evans Farms, Inc.
BOBE
– –
-160,970
Closed -$12.5M
BCR
1485
DELISTED
CR Bard Inc.
BCR
– –
-1,989
Closed -$637K
GCVRZ
1486
DELISTED
Sanofi Contingent Value Rights
GCVRZ
– –
-655
Closed –
TCF
1487
DELISTED
TCF Financial Corporation
TCF
– –
-6,100
Closed -$104K
56 57 58 59
60

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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.