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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
+17.39%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+512.03%
AUM
$16.4B
AUM Growth
+$2.69B
Cap. Flow
+$462M
Cap. Flow %
2.81%
Top 10 Hldgs %
21%
Holding
1,770
New
129
Increased
755
Reduced
489
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
SGEN
176
DELISTED
Seagen Inc. Common Stock
SGEN
$19.1M 0.12%
260,606
+2,796
+1% +$199K
MDY icon
177
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27B
$18.6M 0.11%
53,837
+15,010
+39% +$5.05M
MMP
178
DELISTED
Magellan Midstream Partners, L.P.
MMP
$18.6M 0.11%
306,179
-3,739
-1% -$226K
NOW icon
179
ServiceNow
NOW
$121B
$17.8M 0.11%
360,900
+8,885
+3% +$391K
YETI icon
180
Yeti Holdings
YETI
$3.98B
$17.7M 0.11%
583,829
+342,058
+141% +$7.45M
EVH icon
181
Evolent Health
EVH
$346M
$17.3M 0.11%
1,376,618
-649,268
-32% -$10.3M
NVS icon
182
Novartis
NVS
$294B
$17.3M 0.11%
200,814
+2,194
+1% +$176K
CMCSA icon
183
Comcast
CMCSA
$87.8B
$17.3M 0.11%
432,414
+6,271
+1% +$236K
HON icon
184
Honeywell
HON
$78.6B
$17.2M 0.11%
115,096
+5,118
+5% +$715K
KMI icon
185
Kinder Morgan
KMI
$69.3B
$17M 0.1%
851,190
+27,288
+3% +$509K
RPD icon
186
Rapid7
RPD
$726M
$17M 0.1%
336,234
-2,475
-0.7% -$106K
KO icon
187
Coca-Cola
KO
$374B
$16.7M 0.1%
355,940
+17,941
+5% +$839K
BLK icon
188
Blackrock
BLK
$176B
$16.6M 0.1%
38,823
-6,162
-14% -$2.59M
TD icon
189
Toronto Dominion Bank
TD
$200B
$16.4M 0.1%
301,268
+27,519
+10% +$1.52M
QNST icon
190
QuinStreet
QNST
$889M
$16.3M 0.1%
1,219,839
+312,979
+35% +$4.85M
AZN icon
191
AstraZeneca
AZN
$250B
$16.3M 0.1%
201,875
+4,386
+2% +$346K
MCHP icon
192
Microchip Technology
MCHP
$42.2B
$16.2M 0.1%
391,740
+26,480
+7% +$1.1M
EMR icon
193
Emerson Electric
EMR
$91B
$16M 0.1%
233,655
+16,705
+8% +$1.1M
EEM icon
194
iShares MSCI Emerging Markets ETF
EEM
$29.5B
$16M 0.1%
371,684
+70,079
+23% +$2.95M
FLRN icon
195
State Street SPDR Bloomberg Investment Grade Floating Rate ETF
FLRN
$3.09B
$15.8M 0.1%
514,990
-20,150
-4% -$616K
DEO icon
196
Diageo
DEO
$49.2B
$15.7M 0.1%
95,768
+6,465
+7% +$986K
WST icon
197
West Pharmaceutical
WST
$24.7B
$15.6M 0.1%
141,910
-5,543
-4% -$577K
CAT icon
198
Caterpillar
CAT
$401B
$15.6M 0.09%
114,799
+5,252
+5% +$698K
XYZ
199
Block Inc
XYZ
$50.1B
$15.2M 0.09%
203,379
+50,072
+33% +$3.63M
AMG icon
200
Affiliated Managers Group
AMG
$9.92B
$15.2M 0.09%
141,966
-9,433
-6% -$1M
6 7
8
9 10

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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, 755 increased, 489 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.