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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
+4.57%
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
$13.3B
AUM Growth
+$17.7M
Cap. Flow
-$449M
Cap. Flow %
-3.37%
Top 10 Hldgs %
18.64%
Holding
1,772
New
130
Increased
581
Reduced
525
Closed
417

Top Buys

Rank Stock Value
1
WSO icon
Watsco Inc
WSO
+$36.3M
2
BL icon
BlackLine
BL
+$21.8M
3
EVH icon
Evolent Health
EVH
+$19.6M
4
PGR icon
Progressive
PGR
+$17.2M
5
JPM icon
JPMorgan Chase
JPM
+$16.9M

Sector Composition

Rank Sector Weight
1 Healthcare 18.86%
2 Technology 17.6%
3 Financials 14.62%
4 Industrials 10.54%
5 Consumer Discretionary 8.84%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
DNKN
1551
CALL
DELISTED
Dunkin' Brands Group, Inc.
DNKN
-400
Closed -$22K
WMGI
1552
CALL
DELISTED
Wright Medical Group Inc
WMGI
-500
Closed -$14K
CCMP
1553
DELISTED
CMC Materials, Inc. Common Stock
CCMP
-4,509
Closed -$333K
HCR
1554
CALL
DELISTED
Hi-Crush Inc. Common Stock
HCR
-14,700
Closed -$159K
TACOW
1555
DELISTED
Del Taco Restaurants, Inc. Warrants
TACOW
-12,500
Closed -$48K
TIVO
1556
CALL
DELISTED
Tivo Inc
TIVO
-8,700
Closed -$162K
TIVO
1557
DELISTED
Tivo Inc
TIVO
-118,266
Closed -$2.21M
JPM.PRF.CL
1558
DELISTED
JPMorgan Chase & Co. Called
JPM.PRF.CL
-7,880
Closed -$212K
GHII
1559
DELISTED
Invesco S&P High Income Infrastructure ETF
GHII
-8,252
Closed -$231K
ECCA.CL
1560
DELISTED
Eagle Point Credit Company Inc. Series A Term Preferred Stock due 2022 Called for Redemption
ECCA.CL
-8,000
Closed -$206K
ACHN
1561
CALL
DELISTED
Achillion Pharmaceuticals
ACHN
-1,000
Closed -$5K
AAC
1562
DELISTED
AAC Holdings
AAC
-216,430
Closed -$1.5M
YMLI
1563
DELISTED
VanEck Vectors High Income Infrastructure MLP ETF
YMLI
-14,777
Closed -$216K
TYPE
1564
DELISTED
Monotype Imaging Holdings Inc.
TYPE
-16,286
Closed -$298K
AABA
1565
DELISTED
Altaba Inc
AABA
-37,689
Closed -$2.05M
PETX
1566
CALL
DELISTED
Aratana Therapeutics, Inc.
PETX
-61,500
Closed -$445K
EMES
1567
CALL
DELISTED
Emerge Energy Services LP
EMES
-300
Closed -$3K
BRS
1568
DELISTED
Bristow Group, Inc.
BRS
-11,275
Closed -$86K
DM
1569
DELISTED
Dominion Energy Midstream Ptr LP
DM
-11,085
Closed -$320K
ANW
1570
DELISTED
Aegean Marine Petroleum Network
ANW
-45,500
Closed -$266K
NYRT
1571
DELISTED
New York REIT, Inc.
NYRT
-1,350
Closed -$117K
KMI.PRA
1572
DELISTED
Kinder Morgan, Inc.
KMI.PRA
-72,820
Closed -$3.2M
SRCLP
1573
DELISTED
Stericycle, Inc
SRCLP
-25,475
Closed -$1.71M
COTV
1574
DELISTED
Cotiviti Holdings, Inc.
COTV
-361,120
Closed -$13.4M
OA
1575
DELISTED
Orbital ATK, Inc.
OA
-12,742
Closed -$1.25M

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William Blair & Company's Q3 2017 Portfolio in Review

As of Q3 2017, William Blair & Company held 1,772 positions worth $13.3B, up 0.13% from $13.3B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair & Company withdrew a net $449M in Q3 2017, closing 417 positions and reducing 525 holdings. Its most notable exit was Dave & Buster's, an estimated $20.3M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 19% of assets, up from 19% a quarter earlier, followed by Technology and Financials.

Against the trend, William Blair & Company opened a new position in Quantenna Communications, Inc. Common Stock worth $9.07M.

  • William Blair & Company's largest Q3 2017 buy was Quantenna Communications, Inc. Common Stock: 539,590 shares worth $9.07M.
  • William Blair & Company added most to Watsco Inc in Q3 2017, an estimated $36.3M increase.
  • William Blair & Company's biggest Q3 2017 reduction was Alphabet (Google) Class C, cutting an estimated $115M.
  • William Blair & Company fully exited Dave & Buster's in Q3 2017, selling an estimated $20.3M.
  • William Blair & Company's ten largest holdings make up 19% of its $13.3B portfolio in Q3 2017.
  • William Blair & Company opened 130 new positions and closed 417 in Q3 2017.
  • William Blair & Company's portfolio value rose 0.13% quarter-over-quarter to $13.3B.

Based on William Blair & Company's 13F filing for Q3 2017, filed 13 Nov 2017.