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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
WTRG icon
726
Essential Utilities
WTRG
$11.4B
$1.01M 0.01%
27,673
-24
-0.1% -$846
AWK icon
727
American Water Works
AWK
$26.9B
$1.01M 0.01%
9,649
+1,562
+19% +$153K
CBRE icon
728
CBRE Group
CBRE
$42.9B
$1M 0.01%
20,261
-1,187
-6% -$55.7K
SCHB icon
729
Schwab US Broad Market ETF
SCHB
$44.9B
$1M 0.01%
88,344
+56,004
+173% +$612K
CNO icon
730
CNO Financial Group
CNO
$5.11B
$999K 0.01%
49,500
– –
UMH
731
UMH Properties
UMH
$1.36B
$986K 0.01%
70,030
+4,000
+6% +$53.6K
BWA icon
732
BorgWarner
BWA
$13.9B
$982K 0.01%
29,041
+92
+0.3% +$3.18K
FRPT icon
733
Freshpet
FRPT
$3.22B
$978K 0.01%
23,126
-10,075
-30% -$388K
SUSA icon
734
iShares ESG Optimized MSCI USA ETF
SUSA
$4.18B
$975K 0.01%
16,490
– –
NVO
735
Novo Nordisk
NVO
$209B
$968K 0.01%
36,998
+4,866
+15% +$120K
WTW icon
736
Willis Towers Watson
WTW
$32B
$966K 0.01%
5,500
-435
-7% -$72.2K
DHS icon
737
WisdomTree US High Dividend Fund
DHS
$1.58B
$963K 0.01%
13,285
– –
HDS
738
DELISTED
HD Supply Holdings, Inc.
HDS
$963K 0.01%
22,205
-862
-4% -$35.9K
KNX icon
739
Knight Transportation
KNX
$11.4B
$962K 0.01%
24,148
+2,169
+10% +$69K
ACWV icon
740
iShares MSCI Global Min Vol Factor ETF
ACWV
$3.38B
$961K 0.01%
10,739
-700
-6% -$60.1K
CASH icon
741
Pathward Financial
CASH
$1.83B
$961K 0.01%
48,848
-975
-2% -$21.3K
ARW icon
742
Arrow Electronics
ARW
$10.4B
$956K 0.01%
12,404
-971
-7% -$74.5K
MMSI icon
743
Merit Medical Systems
MMSI
$5.32B
$952K 0.01%
15,399
– –
VIAV icon
744
Viavi Solutions
VIAV
$9.66B
$951K 0.01%
76,820
+16,559
+27% +$194K
ALBO
745
DELISTED
Albireo Pharma Inc
ALBO
$940K 0.01%
29,199
+1,677
+6% +$45.1K
ISTB icon
746
iShares Core 1-5 Year USD Bond ETF
ISTB
$5.13B
$939K 0.01%
18,841
-12,064
-39% -$596K
HEI.A icon
747
HEICO Corp Class A
HEI.A
$37.2B
$935K 0.01%
11,123
– –
QDEF icon
748
FlexShares Quality Dividend Defensive Index Fund
QDEF
$562M
$933K 0.01%
20,889
-6,916
-25% -$295K
TRGP icon
749
Targa Resources
TRGP
$55.1B
$918K 0.01%
22,103
-1,027
-4% -$43.1K
MELI icon
750
Mercado Libre
MELI
$92.3B
$916K 0.01%
1,805
– –
28 29
30
31 32

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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.