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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
RGT
1276
Royce Global Value Trust
RGT
$98.8M
$184K ﹤0.01%
16,996
+46
+0.3% +$484
ATCO
1277
DELISTED
Atlas Corp.
ATCO
$177K ﹤0.01%
26,270
– –
CNSL
1278
DELISTED
Consolidated Communications Holdings, Inc.
CNSL
$174K ﹤0.01%
14,300
– –
SRRA
1279
DELISTED
Sierra Oncology, Inc. Common Stock
SRRA
$171K ﹤0.01%
1,149
– –
AG icon
1280
First Majestic Silver
AG
$7.41B
$170K ﹤0.01%
25,187
– –
AMD icon
1281
Advanced Micro Devices
AMD
$776B
$170K ﹤0.01%
16,538
-855
-5% -$9.99K
GARS
1282
DELISTED
Garrison Capital Inc.
GARS
$164K ﹤0.01%
20,200
-4,175
-17% -$34.8K
TWI icon
1283
Titan International
TWI
$466M
$162K ﹤0.01%
12,600
+100
+0.8% +$1.11K
ACHN
1284
DELISTED
Achillion Pharmaceuticals
ACHN
$160K ﹤0.01%
55,500
+100
+0.2% +$363
BGC icon
1285
BGC Group
BGC
$5.45B
$159K ﹤0.01%
16,371
-5,967
-27% -$60.2K
PGNX
1286
DELISTED
Progenics Pharmaceuticals Inc
PGNX
$158K ﹤0.01%
26,500
– –
PBT
1287
Permian Basin Royalty Trust
PBT
$1.38B
$155K ﹤0.01%
17,500
– –
RPT
1288
Rithm Property Trust
RPT
$95.8M
$155K ﹤0.01%
1,930
+32
+2% +$2.64K
MPT
1289
Medical Properties Trust
MPT
$2.77B
$153K ﹤0.01%
11,114
– –
AGI icon
1290
Alamos Gold
AGI
$11.6B
$152K ﹤0.01%
+23,415
New +$153K
GRBK icon
1291
Green Brick Partners
GRBK
$3.04B
$150K ﹤0.01%
13,250
– –
PALI icon
1292
Palisade Bio
PALI
$329M
$150K ﹤0.01%
+1
New +$130K
NATR icon
1293
Nature's Sunshine
NATR
$354M
$149K ﹤0.01%
12,885
– –
CHK
1294
DELISTED
Chesapeake Energy Corporation
CHK
$149K ﹤0.01%
189
+5
+3% +$3.9K
GE icon
1295
CALL
GE Aerospace
GE
$374B
$147K ﹤0.01%
1,753
+1,190
+211% +$114K
LOCO icon
1296
El Pollo Loco
LOCO
$501M
$146K ﹤0.01%
14,785
-33,950
-70% -$367K
YMLI
1297
DELISTED
VanEck Vectors High Income Infrastructure MLP ETF
YMLI
$145K ﹤0.01%
+10,815
New +$145K
VCYT icon
1298
Veracyte
VCYT
$3.7B
$143K ﹤0.01%
+21,850
New +$162K
CTIC
1299
DELISTED
CTI BioPharma Corp. (DE) Common Stock
CTIC
$137K ﹤0.01%
+51,198
New +$150K
ATTU
1300
DELISTED
Attunity Ltd
ATTU
$136K ﹤0.01%
+19,500
New +$140K
50 51
52
53 54

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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.