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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
PBCT
601
DELISTED
People's United Financial Inc
PBCT
$1.71M 0.01%
104,248
-14,764
-12% -$246K
UHAL icon
602
U-Haul Holding Co
UHAL
$14.6B
$1.71M 0.01%
46,070
-400
-0.9% -$14.5K
RL icon
603
Ralph Lauren
RL
$23.5B
$1.68M 0.01%
12,959
-2,587
-17% -$308K
ITT icon
604
ITT
ITT
$19.1B
$1.67M 0.01%
28,852
-242
-0.8% -$13.2K
XLY icon
605
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$23.2B
$1.67M 0.01%
29,282
-4,342
-13% -$235K
VTR icon
606
Ventas
VTR
$47.9B
$1.66M 0.01%
26,074
+1,017
+4% +$63.5K
GH icon
607
Guardant Health
GH
$22.6B
$1.65M 0.01%
21,478
+2,128
+11% +$118K
JLL icon
608
Jones Lang LaSalle
JLL
$16.7B
$1.65M 0.01%
10,671
+230
+2% +$34.6K
MTW icon
609
Manitowoc
MTW
$675M
$1.64M 0.01%
100,098
– –
CFG icon
610
Citizens Financial Group
CFG
$30.6B
$1.64M 0.01%
50,495
-356
-0.7% -$12.3K
PBH icon
611
Prestige Consumer Healthcare
PBH
$2.6B
$1.63M 0.01%
48,542
+39,850
+458% +$1.14M
EXP icon
612
Eagle Materials
EXP
$6.57B
$1.62M 0.01%
19,270
-5,480
-22% -$396K
VKTX icon
613
Viking Therapeutics
VKTX
$4B
$1.62M 0.01%
163,283
+1,453
+0.9% +$12.2K
TER icon
614
Teradyne
TER
$59.3B
$1.61M 0.01%
40,467
+1,200
+3% +$44.8K
ZD icon
615
Ziff Davis
ZD
$1.98B
$1.6M 0.01%
21,262
-311
-1% -$21.5K
KHC icon
616
Kraft Heinz
KHC
$30B
$1.59M 0.01%
48,650
-21,291
-30% -$868K
EHC icon
617
Encompass Health
EHC
$12.4B
$1.58M 0.01%
33,940
-281
-0.8% -$14.2K
JCI icon
618
Johnson Controls International
JCI
$92.2B
$1.56M 0.01%
34,053
-4,174
-11% -$143K
AVB icon
619
AvalonBay Communities
AVB
$26.8B
$1.55M 0.01%
7,740
+238
+3% +$45.5K
PH icon
620
Parker-Hannifin
PH
$135B
$1.55M 0.01%
9,014
+3,033
+51% +$503K
UAA icon
621
Under Armour
UAA
$2.6B
$1.54M 0.01%
73,002
+4,298
+6% +$90K
BIP icon
622
Brookfield Infrastructure Partners
BIP
$18B
$1.54M 0.01%
61,738
+44,090
+250% +$1.04M
RPM icon
623
RPM International
RPM
$15B
$1.53M 0.01%
26,422
-1,429
-5% -$81.1K
DLTR icon
624
Dollar Tree
DLTR
$25.2B
$1.53M 0.01%
14,561
+11,757
+419% +$1.15M
BALL icon
625
Ball Corp
BALL
$16.8B
$1.53M 0.01%
26,371
+9,522
+57% +$508K
23 24
25
26 27

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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.