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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
VCTR icon
701
Victory Capital Holdings
VCTR
$6.66B
$1.13M 0.01%
75,050
+14,450
+24% +$176K
MXIM
702
DELISTED
Maxim Integrated Products
MXIM
$1.11M 0.01%
20,946
+3,875
+23% +$208K
PRF icon
703
Invesco FTSE RAFI US 1000 ETF
PRF
$10B
$1.11M 0.01%
49,025
+7,890
+19% +$174K
EPI icon
704
WisdomTree India Earnings Fund ETF
EPI
$2.06B
$1.11M 0.01%
42,192
+300
+0.7% +$7.36K
ARI
705
Apollo Commercial Real Estate
ARI
$885M
$1.11M 0.01%
60,950
+9,650
+19% +$174K
NUVA
706
DELISTED
NuVasive, Inc.
NUVA
$1.11M 0.01%
19,499
-170
-0.9% -$9.04K
VCSH icon
707
Vanguard Short-Term Corporate Bond ETF
VCSH
$44.7B
$1.1M 0.01%
13,834
+660
+5% +$52K
WTFC icon
708
Wintrust Financial
WTFC
$10.7B
$1.1M 0.01%
16,337
+231
+1% +$16.5K
MGPI icon
709
MGP Ingredients
MGPI
$375M
$1.1M 0.01%
14,251
-1,850
-11% -$135K
NTR icon
710
Nutrien
NTR
$30.7B
$1.09M 0.01%
20,637
+85
+0.4% +$4.43K
HF
711
DELISTED
HFF Inc.
HF
$1.09M 0.01%
22,816
-248
-1% -$10.5K
STI
712
DELISTED
SunTrust Banks, Inc.
STI
$1.09M 0.01%
18,348
+1,343
+8% +$82.2K
BN icon
713
Brookfield
BN
$108B
$1.08M 0.01%
60,685
+23,804
+65% +$371K
OPLN
714
Openlane
OPLN
$4.54B
$1.07M 0.01%
54,925
+1,015
+2% +$19.1K
TT icon
715
Trane Technologies
TT
$106B
$1.06M 0.01%
9,866
+5,964
+153% +$604K
IZRL icon
716
ARK Israel Innovative Technology ETF
IZRL
$141M
$1.06M 0.01%
48,490
– –
GOGO icon
717
Gogo Inc
GOGO
$491M
$1.04M 0.01%
232,246
+45,822
+25% +$191K
VTHR icon
718
Vanguard Russell 3000 ETF
VTHR
$4.85B
$1.04M 0.01%
8,032
– –
NFG icon
719
National Fuel Gas
NFG
$7.65B
$1.03M 0.01%
16,889
+668
+4% +$38.8K
HFBC
720
DELISTED
HopFed Bancorp Inc
HFBC
$1.03M 0.01%
52,061
– –
IQV icon
721
IQVIA
IQV
$39.3B
$1.02M 0.01%
7,118
+1,053
+17% +$140K
XRAY icon
722
Dentsply Sirona
XRAY
$2.43B
$1.02M 0.01%
20,636
+429
+2% +$18.9K
IR icon
723
Ingersoll Rand
IR
$33.7B
$1.02M 0.01%
36,616
-1,411
-4% -$35.5K
DCI icon
724
Donaldson
DCI
$11.4B
$1.01M 0.01%
20,281
-1,200
-6% -$57.9K
EMB icon
725
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$14.7B
$1.01M 0.01%
9,166
+1,604
+21% +$173K
27 28
29
30 31

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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.