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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
SCWX
801
DELISTED
SecureWorks Corp Class A Common Stock
SCWX
$794K ﹤0.01%
43,129
-8,406
-16% -$164K
FDS icon
802
Factset
FDS
$10.2B
$793K ﹤0.01%
3,196
+194
+6% +$43.4K
ATO icon
803
Atmos Energy
ATO
$28.8B
$792K ﹤0.01%
7,692
+1,231
+19% +$120K
CHTR icon
804
Charter Communications
CHTR
$18.2B
$792K ﹤0.01%
2,282
-9,213
-80% -$3.03M
HEEM icon
805
iShares Currency Hedged MSCI Emerging Markets
HEEM
$282M
$785K ﹤0.01%
30,806
-382
-1% -$9.48K
IPG
806
DELISTED
Interpublic Group of Companies
IPG
$785K ﹤0.01%
37,355
+698
+2% +$15.5K
KBE icon
807
State Street SPDR S&P Bank ETF
KBE
$1.66B
$785K ﹤0.01%
18,790
– –
CWB icon
808
State Street SPDR Bloomberg Convertible Securities ETF
CWB
$5.69B
$784K ﹤0.01%
15,011
+158
+1% +$8.01K
BE icon
809
Bloom Energy
BE
$64.6B
$780K ﹤0.01%
+60,396
New +$738K
DELL icon
810
Dell
DELL
$293B
$777K ﹤0.01%
26,136
+8,004
+44% +$211K
RVTY icon
811
Revvity
RVTY
$12.8B
$773K ﹤0.01%
8,027
-439
-5% -$39.5K
CTXS
812
DELISTED
Citrix Systems Inc
CTXS
$772K ﹤0.01%
7,750
-233
-3% -$24.2K
SNPS icon
813
Synopsys
SNPS
$79.7B
$771K ﹤0.01%
6,697
+6
+0.1% +$595
NLY icon
814
Annaly Capital Management
NLY
$17.4B
$768K ﹤0.01%
19,209
+1,600
+9% +$65.3K
BMO icon
815
Bank of Montreal
BMO
$127B
$767K ﹤0.01%
10,251
+1,202
+13% +$88.9K
PEG icon
816
Public Service Enterprise Group
PEG
$37.7B
$758K ﹤0.01%
12,763
+5,374
+73% +$300K
ELV icon
817
Elevance Health
ELV
$85.5B
$751K ﹤0.01%
2,616
+485
+23% +$140K
RIG icon
818
Transocean
RIG
$5.82B
$750K ﹤0.01%
86,093
+6,491
+8% +$55.6K
SBRA icon
819
Sabra Healthcare REIT
SBRA
$5.37B
$750K ﹤0.01%
38,518
+204
+0.5% +$3.87K
APRN
820
DELISTED
Blue Apron Holdings, Inc. Class A Common Stock
APRN
$748K ﹤0.01%
+4,242
New +$923K
PCAR icon
821
PACCAR
PCAR
$70.1B
$747K ﹤0.01%
16,443
+3,505
+27% +$153K
HMC icon
822
Honda
HMC
$41.3B
$740K ﹤0.01%
27,236
– –
AIG icon
823
American International
AIG
$41.8B
$735K ﹤0.01%
17,075
+2,160
+14% +$92.4K
TDW icon
824
Tidewater
TDW
$4.12B
$731K ﹤0.01%
31,506
+5,000
+19% +$112K
LAZ icon
825
Lazard
LAZ
$4.31B
$729K ﹤0.01%
20,182
+464
+2% +$17.4K
31 32
33
34 35

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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.