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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
SHV icon
751
iShares 0-1 Year Treasury Bond ETF
SHV
$20.6B
$912K 0.01%
8,250
– –
NLSN
752
DELISTED
Nielsen Holdings plc
NLSN
$909K 0.01%
19,524
+2,828
+17% +$73.2K
MDP
753
DELISTED
Meredith Corporation
MDP
$907K 0.01%
16,411
+92
+0.6% +$5.11K
SPH icon
754
Suburban Propane Partners
SPH
$1.17B
$904K 0.01%
40,333
+25
+0.1% +$552
NATI
755
DELISTED
National Instruments Corp
NATI
$904K 0.01%
20,386
+851
+4% +$38.6K
PRMW
756
DELISTED
Primo Water Corporation
PRMW
$904K 0.01%
58,450
-14,630
-20% -$211K
STT icon
757
State Street
STT
$50.7B
$903K 0.01%
13,714
+2,844
+26% +$197K
LEN icon
758
Lennar Class A
LEN
$21.2B
$902K 0.01%
18,991
+60
+0.3% +$2.71K
USPH icon
759
US Physical Therapy
USPH
$1.22B
$902K 0.01%
+8,588
New +$923K
DRI icon
760
Darden Restaurants
DRI
$24.4B
$900K 0.01%
7,412
– –
PPG icon
761
PPG Industries
PPG
$26.6B
$900K 0.01%
7,972
+972
+14% +$104K
SEDG icon
762
SolarEdge
SEDG
$1.95B
$900K 0.01%
23,875
– –
IYF icon
763
iShares US Financials ETF
IYF
$4.61B
$896K 0.01%
15,176
-1,462
-9% -$85K
AUB icon
764
Atlantic Union Bankshares
AUB
$5.93B
$888K 0.01%
+27,476
New +$916K
EXPE icon
765
Expedia Group
EXPE
$37.3B
$887K 0.01%
7,457
+16
+0.2% +$1.94K
CNH
766
CNH Industrial
CNH
$17.5B
$887K 0.01%
99,930
+3,815
+4% +$34.1K
SPCE icon
767
Virgin Galactic
SPCE
$398M
$886K 0.01%
4,347
-550
-11% -$111K
XLP icon
768
State Street Consumer Staples Select Sector SPDR ETF
XLP
$14.9B
$886K 0.01%
15,796
-61
-0.4% -$3.26K
GDXJ icon
769
VanEck Junior Gold Miners ETF
GDXJ
$8.46B
$882K 0.01%
27,803
-6,673
-19% -$213K
LOGI icon
770
Logitech
LOGI
$15.2B
$879K 0.01%
22,335
– –
AYR
771
DELISTED
Aircastle Ltd
AYR
$877K 0.01%
43,308
-3,746
-8% -$74.8K
MDR
772
DELISTED
McDermott International
MDR
$877K 0.01%
113,245
+86
+0.1% +$709
SUNS
773
DELISTED
SLR Senior Investment Corp. Common Stock
SUNS
$873K 0.01%
50,864
– –
RHP icon
774
Ryman Hospitality Properties
RHP
$7.63B
$872K 0.01%
10,601
+350
+3% +$28K
SAN icon
775
Banco Santander
SAN
$210B
$867K 0.01%
195,470
+2,322
+1% +$10.6K
29 30
31
32 33

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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.