We are live on ! Find out more
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
FFIV icon
1676
F5
FFIV
$23.5B
– –
-7,768
Closed -$1.26M
GE icon
1677
CALL
GE Aerospace
GE
$389B
– –
-1,294
Closed -$47K
GEO icon
1678
The GEO Group
GEO
$4.03B
– –
-26,667
Closed -$525K
GXC icon
1679
State Street SPDR S&P China ETF
GXC
$476M
– –
-25
Closed -$2K
IEUR icon
1680
iShares Core MSCI Europe ETF
IEUR
$9.08B
– –
-158
Closed -$8K
IFGL icon
1681
iShares International Developed Real Estate ETF
IFGL
$82.7M
– –
-500
Closed -$14K
IGLB icon
1682
iShares 10+ Year Investment Grade Corporate Bond ETF
IGLB
$2.83B
– –
-41
Closed -$2K
IPAC icon
1683
iShares Core MSCI Pacific ETF
IPAC
$2.73B
– –
-144
Closed -$8K
KBA icon
1684
KraneShares Bosera MSCI China A 50 Connect Index ETF
KBA
$148M
– –
-1,250
Closed -$31K
KIM icon
1685
Kimco Realty
KIM
$16.4B
– –
-10,193
Closed -$149K
KWEB icon
1686
KraneShares CSI China Internet ETF
KWEB
$5.62B
– –
-2,991
Closed -$191K
LEA icon
1687
Lear
LEA
$7.93B
– –
-5,736
Closed -$705K
MCHP icon
1688
CALL
Microchip Technology
MCHP
$40.4B
– –
-200
Closed -$7K
MLCO icon
1689
Melco Resorts & Entertainment
MLCO
$2.14B
– –
-19,629
Closed -$346K
NTZ
1690
Natuzzi
NTZ
$14.8M
– –
-3,156
Closed -$12K
OTTR icon
1691
Otter Tail
OTTR
$3.91B
– –
-4,131
Closed -$205K
PSQ icon
1692
ProShares Short QQQ
PSQ
$729M
– –
-2,040
Closed -$351K
QABA icon
1693
First Trust NASDAQ ABA Community Bank Index Fund
QABA
$93.6M
– –
-8,120
Closed -$350K
QDEL icon
1694
QuidelOrtho
QDEL
$1.11B
– –
-850
Closed -$41K
RCG
1695
RENN Fund
RCG
$20.3M
– –
-191,860
Closed -$286K
REZI icon
1696
Resideo Technologies
REZI
$3.95B
– –
-10,516
Closed -$216K
RSPT icon
1697
Invesco S&P 500 Equal Weight Technology ETF
RSPT
$5.77B
– –
-280
Closed -$4K
SBIO icon
1698
ALPS Medical Breakthroughs ETF
SBIO
$213M
– –
-335
Closed -$9K
SNCR
1699
DELISTED
Synchronoss Technologies
SNCR
– –
-111
Closed -$10K
SPOT icon
1700
Spotify
SPOT
$97.7B
– –
-2,912
Closed -$331K
66 67
68
69 70

Similar funds

SAM
Storebrand Asset Management Lysaker, Norway $34.8B AUM 25.49% 1-Year Est. Return
Chevy Chase Trust
Chevy Chase Trust Bethesda, Maryland $34.7B AUM 29.45% 1-Year Est. Return
VIA
Vanguard Investments Australia Victoria, Australia $34.6B AUM
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Pacer Advisors
Pacer Advisors Malvern, Pennsylvania $35.6B AUM 18.19% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return
MML Investors Services
MML Investors Services Springfield, Massachusetts $36.1B AUM 19.68% 1-Year Est. Return

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.