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
XENT
951
DELISTED
Intersect ENT, Inc
XENT
$507K ﹤0.01%
17,643
-225
-1% -$6.76K
AZTA icon
952
Azenta
AZTA
$1.42B
$504K ﹤0.01%
14,376
+522
+4% +$17.2K
GBDC icon
953
Golub Capital BDC
GBDC
$3.39B
$504K ﹤0.01%
27,443
– –
BMRC icon
954
Bank of Marin Bancorp
BMRC
$464M
$503K ﹤0.01%
12,000
– –
SHOO icon
955
Steven Madden
SHOO
$3.51B
$499K ﹤0.01%
14,136
– –
NLSN
956
DELISTED
Nielsen Holdings plc
NLSN
$498K ﹤0.01%
18,020
+98
+0.5% +$2.64K
M icon
957
Macy's
M
$6.47B
$495K ﹤0.01%
14,261
+750
+6% +$27.9K
PRI icon
958
Primerica
PRI
$10B
$495K ﹤0.01%
4,106
-2,646
-39% -$307K
STWD icon
959
Starwood Property Trust
STWD
$5.96B
$492K ﹤0.01%
22,852
-4,515
-16% -$100K
VV icon
960
Vanguard Morningstar Large-Cap ETF
VV
$54.2B
$492K ﹤0.01%
3,688
-705
-16% -$92.3K
TFX icon
961
Teleflex
TFX
$6.12B
$491K ﹤0.01%
1,847
-122
-6% -$31.6K
HZNP
962
DELISTED
Horizon Therapeutics Public Limited Company Ordinary Shares
HZNP
$487K ﹤0.01%
24,863
– –
MDGL icon
963
Madrigal Pharmaceuticals
MDGL
$11.9B
$482K ﹤0.01%
2,250
-3,470
-61% -$871K
UTF icon
964
Cohen & Steers Infrastructure Fund
UTF
$3.04B
$482K ﹤0.01%
21,784
-900
-4% -$20.8K
EXPD icon
965
Expeditors International
EXPD
$23.3B
$479K ﹤0.01%
6,513
-700
-10% -$51.7K
CEF icon
966
Sprott Physical Gold and Silver Trust
CEF
$8.07B
$476K ﹤0.01%
40,746
-6,000
-13% -$71.8K
AIVL icon
967
WisdomTree US AI Enhanced Value Fund
AIVL
$433M
$475K ﹤0.01%
5,251
-314
-6% -$28.2K
DWM icon
968
WisdomTree International Equity Fund
DWM
$696M
$474K ﹤0.01%
8,925
-607
-6% -$32.3K
NBHC icon
969
National Bank Holdings
NBHC
$1.9B
$474K ﹤0.01%
12,593
– –
FMBI
970
DELISTED
First Midwest Bancorp Inc/IL
FMBI
$470K ﹤0.01%
17,667
+1,499
+9% +$40.1K
IVZ icon
971
Invesco
IVZ
$14B
$468K ﹤0.01%
20,436
-63,122
-76% -$1.58M
MLCO icon
972
Melco Resorts & Entertainment
MLCO
$2.13B
$468K ﹤0.01%
22,125
+2
+0% +$46
AAL icon
973
American Airlines Group
AAL
$10.6B
$467K ﹤0.01%
11,302
+313
+3% +$12.2K
AMD icon
974
Advanced Micro Devices
AMD
$798B
$467K ﹤0.01%
15,128
-1,711
-10% -$38.6K
REGN icon
975
Regeneron Pharmaceuticals
REGN
$80B
$467K ﹤0.01%
1,155
– –
37 38
39
40 41

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.