We are live on ! Find out more
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

Top Sells

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$115M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$66M
3
COST icon
Costco
COST
+$33M
4
XRAY icon
Dentsply Sirona
XRAY
+$30.5M
5
PRAA icon
PRA Group
PRAA
+$24.5M

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
COL
401
DELISTED
Rockwell Collins
COL
$3.78M 0.03%
28,910
-1,003
-3% -$122K
IWO icon
402
iShares Russell 2000 Growth ETF
IWO
$14.3B
$3.78M 0.03%
21,105
+766
+4% +$130K
ET icon
403
Energy Transfer Partners
ET
$70.1B
$3.77M 0.03%
217,117
+855
+0.4% +$15K
LMT icon
404
Lockheed Martin
LMT
$134B
$3.77M 0.03%
12,159
+508
+4% +$152K
TRV icon
405
Travelers Companies
TRV
$78.1B
$3.77M 0.03%
30,797
-302
-1% -$37.7K
MTX icon
406
Minerals Technologies
MTX
$2.36B
$3.75M 0.03%
53,066
-15,940
-23% -$1.09M
TSLA icon
407
Tesla
TSLA
$1.23T
$3.72M 0.03%
163,680
+18,975
+13% +$438K
GGT
408
Gabelli Multimedia Trust
GGT
$171M
$3.68M 0.03%
+385,631
New +$3.53M
IWR icon
409
iShares Russell Mid-Cap ETF
IWR
$56B
$3.62M 0.03%
73,492
-4,572
-6% -$221K
RGEN icon
410
Repligen
RGEN
$7.96B
$3.61M 0.03%
94,241
+41,405
+78% +$1.74M
EEMV icon
411
iShares MSCI Emerging Markets Min Vol Factor ETF
EEMV
$3.44B
$3.61M 0.03%
62,104
+1,717
+3% +$98.7K
SMFG icon
412
Sumitomo Mitsui Financial
SMFG
$164B
$3.61M 0.03%
467,855
-22,795
-5% -$174K
ABCO
413
DELISTED
Advisory Board Co
ABCO
$3.61M 0.03%
67,255
-60,788
-47% -$3.27M
MIDD icon
414
Middleby
MIDD
$6.04B
$3.6M 0.03%
28,071
-18,429
-40% -$2.27M
MFC icon
415
Manulife Financial
MFC
$73.9B
$3.59M 0.03%
176,932
-1,282
-0.7% -$25.5K
PHO icon
416
Invesco Water Resources ETF
PHO
$2.01B
$3.58M 0.03%
125,445
+1,470
+1% +$40.2K
KRE icon
417
State Street SPDR S&P Regional Banking ETF
KRE
$4.5B
$3.56M 0.03%
62,630
+2,299
+4% +$124K
IEFA icon
418
iShares Core MSCI EAFE ETF
IEFA
$190B
$3.55M 0.03%
55,340
+14,384
+35% +$900K
VCIT icon
419
Vanguard Intermediate-Term Corporate Bond ETF
VCIT
$66.2B
$3.54M 0.03%
40,190
+20,736
+107% +$1.82M
XLU icon
420
State Street Utilities Select Sector SPDR ETF
XLU
$22.8B
$3.54M 0.03%
133,344
+3,752
+3% +$101K
FNFV
421
DELISTED
Fidelity Natl Financial, Inc.
FNFV
$3.52M 0.03%
205,517
+1,000
+0.5% +$16.6K
VMC icon
422
Vulcan Materials
VMC
$34.8B
$3.51M 0.03%
29,347
+50
+0.2% +$6K
CORP icon
423
PIMCO Investment Grade Corporate Bond Index Exchange-Traded Fund
CORP
$1.57B
$3.5M 0.03%
33,252
-141
-0.4% -$14.9K
PUK icon
424
Prudential
PUK
$37.6B
$3.49M 0.03%
75,022
-6,203
-8% -$283K
IVW icon
425
iShares S&P 500 Growth ETF
IVW
$73.8B
$3.46M 0.03%
96,404
-2,436
-2% -$85.8K
15 16
17
18 19

Similar funds

SAM
Storebrand Asset Management Lysaker, Norway $34.8B AUM 25.49% 1-Year Est. Return
Chevy Chase Trust
Chevy Chase Trust Bethesda, Maryland $34.7B AUM 29.45% 1-Year Est. Return
VIA
Vanguard Investments Australia Victoria, Australia $34.6B AUM
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Pacer Advisors
Pacer Advisors Malvern, Pennsylvania $35.6B AUM 18.19% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return
MML Investors Services
MML Investors Services Springfield, Massachusetts $36.1B AUM 19.68% 1-Year Est. Return

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.