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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
GHC icon
1276
Graham Holdings Company
GHC
$5.06B
$209K ﹤0.01%
+306
New +$205K
HUBS icon
1277
HubSpot
HUBS
$10.1B
$208K ﹤0.01%
+1,250
New +$198K
IVZ icon
1278
Invesco
IVZ
$14B
$208K ﹤0.01%
+10,753
New +$201K
JNK icon
1279
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$6.91B
$208K ﹤0.01%
1,930
-240
-11% -$25.4K
WEN icon
1280
Wendy's
WEN
$1.41B
$208K ﹤0.01%
+11,606
New +$197K
EQC
1281
DELISTED
Equity Commonwealth
EQC
$208K ﹤0.01%
+6,350
New +$204K
UCI
1282
DELISTED
E-TRACS UBS Bloomberg CMCI ETN
UCI
$208K ﹤0.01%
+10,000
New +$146K
EPP icon
1283
iShares MSCI Pacific ex Japan ETF
EPP
$2.26B
$207K ﹤0.01%
4,518
+1,273
+39% +$56.3K
LKQ icon
1284
LKQ Corp
LKQ
$6.19B
$207K ﹤0.01%
7,305
-27,142
-79% -$730K
DOC
1285
DELISTED
PHYSICIANS REALTY TRUST
DOC
$206K ﹤0.01%
10,940
-95
-0.9% -$1.69K
EES icon
1286
WisdomTree US SmallCap Earnings Fund
EES
$726M
$205K ﹤0.01%
5,685
+4,574
+412% +$165K
CATM
1287
DELISTED
Cardtronics plc Class A Ordinary Shares (UK)
CATM
$205K ﹤0.01%
+4,600
New +$137K
ALB icon
1288
Albemarle
ALB
$14.8B
$204K ﹤0.01%
2,492
-1,029
-29% -$84.1K
PVG
1289
DELISTED
PRETIUM RESOURCES INC.
PVG
$204K ﹤0.01%
23,875
+8,850
+59% +$70.4K
CPB icon
1290
Campbell Soup
CPB
$6.73B
$203K ﹤0.01%
+5,317
New +$188K
HST icon
1291
Host Hotels & Resorts
HST
$16B
$203K ﹤0.01%
+10,716
New +$198K
BAC.PRL icon
1292
Bank of America Series L
BAC.PRL
$3.98B
$202K ﹤0.01%
155
+15
+11% +$19.4K
PIE icon
1293
Invesco Dorsey Wright Emerging Markets Momentum ETF
PIE
$248M
$202K ﹤0.01%
11,870
-1,620
-12% -$26.7K
ASB icon
1294
Associated Banc-Corp
ASB
$5.88B
$201K ﹤0.01%
+9,432
New +$208K
GOVT icon
1295
iShares US Treasury Bond ETF
GOVT
$43.5B
$200K ﹤0.01%
7,927
-1,439
-15% -$35.8K
SFIX
1296
Stitch Fix
SFIX
$538M
$200K ﹤0.01%
7,088
-4,720
-40% -$117K
IRIX icon
1297
IRIDEX
IRIX
$14.6M
$199K ﹤0.01%
43,600
– –
IYY icon
1298
iShares Dow Jones US ETF
IYY
$3.04B
$194K ﹤0.01%
2,750
– –
LAUR icon
1299
Laureate Education
LAUR
$5.14B
$193K ﹤0.01%
+12,920
New +$196K
LEN.B icon
1300
Lennar Class B
LEN.B
$20.1B
$193K ﹤0.01%
5,203
+327
+7% +$11.7K
50 51
52
53 54

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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.