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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

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
VOD icon
351
Vodafone
VOD
$37B
$5.58M 0.03%
257,050
+48,006
+23% +$1.12M
EXC icon
352
Exelon
EXC
$46.7B
$5.58M 0.03%
179,090
-21,582
-11% -$664K
VGT icon
353
Vanguard Information Technology ETF
VGT
$147B
$5.57M 0.03%
219,920
+9,112
+4% +$222K
IBKC
354
DELISTED
IBERIABANK Corp
IBKC
$5.51M 0.03%
67,767
-2,825
-4% -$235K
EVBG
355
DELISTED
Everbridge, Inc. Common Stock
EVBG
$5.46M 0.03%
94,745
-365
-0.4% -$19.7K
VCIT icon
356
Vanguard Intermediate-Term Corporate Bond ETF
VCIT
$66.2B
$5.46M 0.03%
65,336
HMSY
357
DELISTED
HMS Holdings Corp.
HMSY
$5.42M 0.03%
165,055
+2,055
+1% +$59.4K
PKOH icon
358
Park-Ohio Holdings
PKOH
$670M
$5.4M 0.03%
140,786
-18,807
-12% -$730K
GLW icon
359
Corning
GLW
$135B
$5.31M 0.03%
150,458
-7,751
-5% -$252K
CAG icon
360
Conagra Brands
CAG
$7.11B
$5.28M 0.03%
155,495
+32,918
+27% +$1.2M
RHI icon
361
Robert Half
RHI
$4.16B
$5.21M 0.03%
74,082
-6,345
-8% -$465K
APTV icon
362
Aptiv
APTV
$9.61B
$5.2M 0.03%
62,030
-5
-0% -$457
NSC icon
363
Norfolk Southern
NSC
$76.9B
$5.16M 0.03%
28,590
+103
+0.4% +$17.6K
ABB
364
DELISTED
ABB Ltd
ABB
$5.11M 0.03%
216,145
+16,864
+8% +$387K
KRE icon
365
State Street SPDR S&P Regional Banking ETF
KRE
$4.65B
$5.1M 0.03%
85,901
-267
-0.3% -$16.6K
IWS icon
366
iShares Russell Mid-Cap Value ETF
IWS
$15.8B
$5.08M 0.03%
56,311
+1,864
+3% +$169K
IJH icon
367
iShares Core S&P Mid-Cap ETF
IJH
$125B
$5.03M 0.03%
124,930
+16,540
+15% +$665K
RWO icon
368
State Street SPDR Dow Jones Global Real Estate ETF
RWO
$1.3B
$5M 0.03%
105,187
+3,284
+3% +$159K
CACC icon
369
Credit Acceptance
CACC
$6.03B
$5M 0.03%
11,416
EGRX
370
DELISTED
Eagle Pharmaceuticals, Inc.
EGRX
$4.97M 0.03%
71,744
-175
-0.2% -$13.3K
TGT icon
371
Target
TGT
$66.8B
$4.93M 0.03%
55,846
+1,034
+2% +$86K
PUK icon
372
Prudential
PUK
$34.7B
$4.9M 0.03%
110,017
+13,172
+14% +$583K
AGN
373
DELISTED
Allergan plc
AGN
$4.88M 0.03%
25,612
+2,301
+10% +$423K
XEC
374
DELISTED
CIMAREX ENERGY CO
XEC
$4.81M 0.03%
51,796
+56
+0.1% +$5.14K
EXEL icon
375
Exelixis
EXEL
$13.1B
$4.81M 0.03%
271,411
+30,861
+13% +$602K

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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.