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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
MGM icon
526
MGM Resorts International
MGM
$11.4B
$2.33M 0.02%
71,390
-108,725
-60% -$3.5M
PHYS icon
527
Sprott Physical Gold
PHYS
$14.6B
$2.32M 0.02%
222,149
+203,394
+1,084% +$2.12M
GWR
528
DELISTED
Genesee & Wyoming Inc.
GWR
$2.29M 0.02%
30,887
-6,641
-18% -$454K
EEP
529
DELISTED
Enbridge Energy Partners
EEP
$2.27M 0.02%
142,323
-6,030
-4% -$92.9K
ALL icon
530
Allstate
ALL
$68B
$2.25M 0.02%
24,504
+1,770
+8% +$161K
XLE icon
531
State Street Energy Select Sector SPDR ETF
XLE
$39.6B
$2.23M 0.02%
65,168
+7,708
+13% +$251K
EMB icon
532
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$15B
$2.23M 0.02%
19,155
-873
-4% -$101K
XYZ
533
Block Inc
XYZ
$48.4B
$2.23M 0.02%
77,237
+6,201
+9% +$162K
SRE icon
534
Sempra
SRE
$57.9B
$2.22M 0.02%
38,848
-270
-0.7% -$15.6K
PFNX
535
DELISTED
Pfenex Inc.
PFNX
$2.19M 0.02%
725,848
+475,031
+189% +$1.81M
HF
536
DELISTED
HFF Inc.
HF
$2.19M 0.02%
55,263
+2,493
+5% +$91.8K
MULE
537
DELISTED
MuleSoft, Inc.
MULE
$2.18M 0.02%
108,335
-5,365
-5% -$120K
RBA icon
538
RB Global
RBA
$20.4B
$2.17M 0.02%
68,543
-17,444
-20% -$505K
EVBG
539
DELISTED
Everbridge, Inc. Common Stock
EVBG
$2.15M 0.02%
+81,260
New +$1.9M
MPLX icon
540
MPLX
MPLX
$59.3B
$2.14M 0.02%
61,245
-4,318
-7% -$149K
FLG
541
Flagstar Bank National Association
FLG
$5.93B
$2.13M 0.02%
55,200
+5,646
+11% +$213K
CIVB icon
542
Civista Bancshares
CIVB
$604M
$2.13M 0.02%
95,523
WTFC icon
543
Wintrust Financial
WTFC
$10.8B
$2.11M 0.02%
26,941
+4,886
+22% +$363K
CNI icon
544
Canadian National Railway
CNI
$76.9B
$2.09M 0.02%
25,227
+1,400
+6% +$113K
XLY icon
545
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$22.6B
$2.08M 0.02%
46,168
-8,752
-16% -$394K
SRC
546
DELISTED
SPIRIT REALTY CAPITAL, INC.
SRC
$2.08M 0.02%
+54,011
New +$1.99M
VSAT icon
547
Viasat
VSAT
$10.6B
$2.06M 0.02%
+32,025
New +$2.02M
IDV icon
548
iShares International Select Dividend ETF
IDV
$8.45B
$2.06M 0.02%
60,920
+2,736
+5% +$91.4K
CALD
549
DELISTED
Callidus Software, Inc.
CALD
$2.05M 0.02%
83,319
-3,948
-5% -$96K
OAK
550
DELISTED
OAKTREE CAPITAL GROUP, LLC
OAK
$2.05M 0.02%
43,590
+8,137
+23% +$379K

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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.