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
+10.92%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$16.3B
AUM Growth
+$1.62B
Cap. Flow
+$161M
Cap. Flow %
0.98%
Top 10 Hldgs %
21.12%
Holding
1,696
New
110
Increased
623
Reduced
570
Closed
77

Top Buys

Rank Stock Value
1
DLB icon
Dolby
DLB
+$37M
2
DSI icon
iShares MSCI KLD 400 Social ETF
DSI
+$20M
3
PGR icon
Progressive
PGR
+$19.6M
4
KMX icon
CarMax
KMX
+$19.2M
5
TYL icon
Tyler Technologies
TYL
+$18.5M

Top Sells

Rank Stock Value
1
SBUX icon
Starbucks
SBUX
+$35.1M
2
META icon
Meta Platforms (Facebook)
META
+$18.3M
3
INGN icon
Inogen
INGN
+$14.6M
4
MKTX icon
MarketAxess Holdings
MKTX
+$13M
5
PF
Pinnacle Foods, Inc.
PF
+$12.6M

Sector Composition

Rank Sector Weight
1 Technology 21.34%
2 Healthcare 18.9%
3 Financials 12.91%
4 Industrials 9.71%
5 Consumer Discretionary 9.37%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
WPC icon
376
W.P. Carey
WPC
$16.4B
$4.79M 0.03%
76,034
-116
-0.2% -$7.47K
SRPT icon
377
Sarepta Therapeutics
SRPT
$1.76B
$4.78M 0.03%
29,575
-445
-1% -$60.8K
VPL icon
378
Vanguard FTSE Pacific ETF
VPL
$8.34B
$4.72M 0.03%
66,424
+171
+0.3% +$11.9K
EFG icon
379
iShares MSCI EAFE Growth ETF
EFG
$17B
$4.72M 0.03%
58,933
– –
GSK icon
380
GSK
GSK
$104B
$4.71M 0.03%
93,822
+12,492
+15% +$635K
BND icon
381
Vanguard Total Bond Market
BND
$157B
$4.7M 0.03%
59,774
+4,295
+8% +$339K
MS icon
382
Morgan Stanley
MS
$340B
$4.65M 0.03%
99,782
+341
+0.3% +$16.7K
TROW icon
383
T. Rowe Price
TROW
$24.4B
$4.61M 0.03%
42,230
-667
-2% -$77.2K
NEO icon
384
NeoGenomics
NEO
$2.01B
$4.59M 0.03%
299,044
+21,785
+8% +$301K
QQQ icon
385
Invesco QQQ Trust
QQQ
$479B
$4.57M 0.03%
24,603
-931
-4% -$168K
MRVL icon
386
Marvell Technology
MRVL
$192B
$4.52M 0.03%
+234,218
New +$4.82M
IJR icon
387
iShares Core S&P Small-Cap ETF
IJR
$112B
$4.52M 0.03%
51,774
+8,706
+20% +$763K
MET icon
388
MetLife
MET
$64B
$4.49M 0.03%
96,046
-475
-0.5% -$21.7K
IP icon
389
International Paper
IP
$21.8B
$4.47M 0.03%
96,042
+3,604
+4% +$179K
GPN icon
390
Global Payments
GPN
$23.6B
$4.47M 0.03%
35,072
+1,001
+3% +$120K
GLOB icon
391
Globant
GLOB
$1.6B
$4.42M 0.03%
75,005
+430
+0.6% +$25.2K
UBS icon
392
UBS Group
UBS
$173B
$4.41M 0.03%
280,314
+56,610
+25% +$890K
UL icon
393
Unilever
UL
$137B
$4.4M 0.03%
71,128
+1,472
+2% +$92.8K
IJK icon
394
iShares S&P Mid-Cap 400 Growth ETF
IJK
$11B
$4.39M 0.03%
75,340
+8,508
+13% +$494K
PBPB
395
DELISTED
Potbelly
PBPB
$4.37M 0.03%
355,414
+11,127
+3% +$144K
HYG icon
396
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$16.6B
$4.37M 0.03%
50,558
-499
-1% -$42.9K
KHC icon
397
Kraft Heinz
KHC
$29.7B
$4.37M 0.03%
79,264
-6,031
-7% -$360K
ACIA
398
DELISTED
Acacia Communications Inc
ACIA
$4.34M 0.03%
105,018
+175
+0.2% +$6.54K
HAL icon
399
Halliburton
HAL
$27.1B
$4.32M 0.03%
106,667
+6,313
+6% +$261K
TLT icon
400
iShares 20+ Year Treasury Bond ETF
TLT
$41.5B
$4.31M 0.03%
36,722
+8,982
+32% +$1.08M
14 15
16
17 18

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 2018 Portfolio in Review

As of Q3 2018, William Blair & Company held 1,696 positions worth $16.3B, up 11% from $14.7B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair & Company's Q3 2018 filing shows 110 new, 623 increased, 570 reduced and 77 closed positions. Its largest new stake was Marvell Technology: 234,218 shares worth $4.52M. The largest sale was Starbucks, an estimated $35.1M.

By sector, the portfolio is most concentrated in Technology at 21% of assets, up from 20% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2018 buy was Marvell Technology: 234,218 shares worth $4.52M.
  • William Blair & Company added most to Dolby in Q3 2018, an estimated $37M increase.
  • William Blair & Company's biggest Q3 2018 reduction was Starbucks, cutting an estimated $35.1M.
  • William Blair & Company fully exited Williams Partners L.P. in Q3 2018, selling an estimated $7.8M.
  • William Blair & Company's ten largest holdings make up 21% of its $16.3B portfolio in Q3 2018.
  • William Blair & Company opened 110 new positions and closed 77 in Q3 2018.
  • William Blair & Company's portfolio value rose 11% quarter-over-quarter to $16.3B.

Based on William Blair & Company's 13F filing for Q3 2018, filed 13 Nov 2018.