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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
+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
ET icon
476
Energy Transfer Partners
ET
$69.3B
$2.93M 0.02%
168,305
-28,198
-14% -$501K
AMP icon
477
Ameriprise Financial
AMP
$48.8B
$2.9M 0.02%
19,653
-1,335
-6% -$191K
CIVB icon
478
Civista Bancshares
CIVB
$589M
$2.87M 0.02%
119,148
+27,268
+30% +$665K
RH icon
479
RH
RH
$3.71B
$2.85M 0.02%
21,779
+3,430
+19% +$481K
SCZ icon
480
iShares MSCI EAFE Small-Cap ETF
SCZ
$13.7B
$2.85M 0.02%
45,719
+20,305
+80% +$1.27M
GDX icon
481
VanEck Gold Miners ETF
GDX
$27.4B
$2.83M 0.02%
152,544
-68,426
-31% -$1.37M
ENB icon
482
Enbridge
ENB
$112B
$2.82M 0.02%
87,389
+4,731
+6% +$165K
OXY icon
483
Occidental Petroleum
OXY
$55.9B
$2.82M 0.02%
34,308
+1,571
+5% +$127K
ATR icon
484
AptarGroup
ATR
$8.61B
$2.81M 0.02%
26,132
+1,990
+8% +$204K
EFAV icon
485
iShares MSCI EAFE Min Vol Factor ETF
EFAV
$5.51B
$2.81M 0.02%
38,592
-892
-2% -$64.3K
DNKN
486
DELISTED
Dunkin' Brands Group, Inc.
DNKN
$2.79M 0.02%
37,874
+677
+2% +$48.9K
FBC
487
DELISTED
Flagstar Bancorp, Inc. New
FBC
$2.77M 0.02%
87,900
– –
PAYC icon
488
Paycom
PAYC
$9.69B
$2.74M 0.02%
17,655
+100
+0.6% +$13.5K
MTX icon
489
Minerals Technologies
MTX
$2.34B
$2.7M 0.02%
39,992
-200
-0.5% -$14.1K
IFF icon
490
International Flavors & Fragrances
IFF
$21.9B
$2.7M 0.02%
19,387
-1,469
-7% -$193K
DHI icon
491
D.R. Horton
DHI
$42.3B
$2.65M 0.02%
62,761
-36,565
-37% -$1.58M
PVTL
492
DELISTED
Pivotal Software, Inc.
PVTL
$2.62M 0.02%
133,701
-10,519
-7% -$256K
CTSH icon
493
Cognizant
CTSH
$26B
$2.61M 0.02%
33,820
+5
+0% +$391
FLG
494
Flagstar Bank National Association
FLG
$5.82B
$2.61M 0.02%
83,855
+6,409
+8% +$210K
PRGO icon
495
Perrigo
PRGO
$1.78B
$2.57M 0.02%
36,323
-3,833
-10% -$288K
SO icon
496
Southern Company
SO
$107B
$2.55M 0.02%
58,402
-2,155
-4% -$99.3K
HDS
497
DELISTED
HD Supply Holdings, Inc.
HDS
$2.55M 0.02%
59,494
+43,450
+271% +$1.9M
HEP
498
DELISTED
Holly Energy Partners, L.P.
HEP
$2.53M 0.02%
80,432
-2,460
-3% -$74.9K
ZD icon
499
Ziff Davis
ZD
$1.98B
$2.52M 0.02%
34,973
-29,181
-45% -$2.14M
SHLX
500
DELISTED
Shell Midstream Partners, L.P.
SHLX
$2.52M 0.02%
117,812
-19,290
-14% -$435K
18 19
20
21 22

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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.