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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
+23.04%
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
$16.4B
AUM Growth
+$2.69B
Cap. Flow
+$306M
Cap. Flow %
1.86%
Top 10 Hldgs %
21%
Holding
1,770
New
129
Increased
754
Reduced
490
Closed
65

Top Buys

Rank Stock Value
1
FISV
Fiserv Inc
FISV
+$65.4M
2
P
Everpure Inc
P
+$35.3M
3
PYPL icon
PayPal
PYPL
+$30.4M
4
BA icon
Boeing
BA
+$28.3M
5
TWLO icon
Twilio
TWLO
+$24.2M

Top Sells

Rank Stock Value
1
TTE icon
TotalEnergies
TTE
+$155M
2
RHT
Red Hat Inc
RHT
+$73.4M
3
ULTI
Ultimate Software Group Inc
ULTI
+$70.6M
4
INGN icon
Inogen
INGN
+$25.8M
5
CELG
Celgene Corp
CELG
+$20.1M

Sector Composition

Rank Sector Weight
1 Technology 22.65%
2 Healthcare 17.38%
3 Financials 12.48%
4 Consumer Discretionary 9.87%
5 Industrials 9.37%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AGN
351
DELISTED
Allergan plc
AGN
$5.19M 0.03%
16,434
+455
+3% +$66K
IWN icon
352
iShares Russell 2000 Value ETF
IWN
$14.5B
$5.16M 0.03%
43,042
-351
-0.8% -$41.9K
MRVL icon
353
Marvell Technology
MRVL
$189B
$5.16M 0.03%
259,481
+17,350
+7% +$324K
CACC icon
354
Credit Acceptance
CACC
$6.03B
$5.16M 0.03%
11,416
– –
VSAT icon
355
Viasat
VSAT
$11.3B
$5.14M 0.03%
66,283
+3,425
+5% +$238K
WAGE
356
DELISTED
WageWorks, Inc.
WAGE
$5.08M 0.03%
134,652
+5,130
+4% +$167K
RHI icon
357
Robert Half
RHI
$4.16B
$5.08M 0.03%
77,903
+5,126
+7% +$325K
VGK icon
358
Vanguard FTSE Europe ETF
VGK
$31.1B
$5.07M 0.03%
94,589
-4,185
-4% -$219K
RWO icon
359
State Street SPDR Dow Jones Global Real Estate ETF
RWO
$1.3B
$5.05M 0.03%
100,998
+259
+0.3% +$12.5K
XLK icon
360
State Street Technology Select Sector SPDR ETF
XLK
$122B
$5.03M 0.03%
136,024
-5,138
-4% -$176K
TGT icon
361
Target
TGT
$66.8B
$5.02M 0.03%
62,561
+8,144
+15% +$595K
IBB icon
362
iShares Biotechnology ETF
IBB
$9.53B
$5.02M 0.03%
44,903
-3,628
-7% -$398K
SYY icon
363
Sysco
SYY
$40.4B
$5.01M 0.03%
75,031
-19,429
-21% -$1.26M
SPAB icon
364
State Street SPDR Portfolio Aggregate Bond ETF
SPAB
$9.75B
$5M 0.03%
85,200
-20,944
-20% -$588K
FNF icon
365
Fidelity National Financial
FNF
$14.1B
$4.98M 0.03%
141,750
-22,534
-14% -$755K
MORN icon
366
Morningstar
MORN
$7.37B
$4.97M 0.03%
39,414
-59
-0.1% -$7.09K
IJK icon
367
iShares S&P Mid-Cap 400 Growth ETF
IJK
$11B
$4.96M 0.03%
90,564
+12,936
+17% +$683K
CLR
368
DELISTED
CONTINENTAL RESOURCES INC.
CLR
$4.95M 0.03%
110,564
+50
+0% +$2.23K
HMSY
369
DELISTED
HMS Holdings Corp.
HMSY
$4.95M 0.03%
167,065
+7,230
+5% +$223K
TDOC icon
370
Teladoc Health
TDOC
$1.21B
$4.91M 0.03%
88,357
+25,208
+40% +$1.54M
GLW icon
371
Corning
GLW
$135B
$4.91M 0.03%
148,195
+2,668
+2% +$87.5K
IVW icon
372
iShares S&P 500 Growth ETF
IVW
$77B
$4.9M 0.03%
113,740
+11,880
+12% +$487K
NOC icon
373
Northrop Grumman
NOC
$80.7B
$4.89M 0.03%
18,129
+4,228
+30% +$1.15M
IP icon
374
International Paper
IP
$21.5B
$4.87M 0.03%
111,087
+3,043
+3% +$132K
PTLA
375
DELISTED
Portola Pharmaceuticals, Inc.
PTLA
$4.8M 0.03%
138,283
+29,985
+28% +$865K
13 14
15
16 17

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William Blair & Company's Q1 2019 Portfolio in Review

As of Q1 2019, William Blair & Company held 1,770 positions worth $16.4B, up 20% from $13.7B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair & Company's Q1 2019 filing shows 129 new, 754 increased, 490 reduced and 65 closed positions. Its largest new stake was Western Midstream Partners: 147,267 shares worth $4.62M. The largest sale was TotalEnergies, an estimated $155M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, up from 21% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q1 2019 buy was Western Midstream Partners: 147,267 shares worth $4.62M.
  • William Blair & Company added most to Fiserv Inc in Q1 2019, an estimated $65.4M increase.
  • William Blair & Company's biggest Q1 2019 reduction was TotalEnergies, cutting an estimated $155M.
  • William Blair & Company fully exited MB Financial Corp in Q1 2019, selling an estimated $7.72M.
  • William Blair & Company's ten largest holdings make up 21% of its $16.4B portfolio in Q1 2019.
  • William Blair & Company opened 129 new positions and closed 65 in Q1 2019.
  • William Blair & Company's portfolio value rose 20% quarter-over-quarter to $16.4B.

Based on William Blair & Company's 13F filing for Q1 2019, filed 14 May 2019.