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William Blair & Company

William Blair & Company Portfolio holdings

AUM $38.4B
1-Year Est. Return 25.71%
This Fund
S&P 500
This Quarter Est. Return
-12.38%
1 Year Est. Return
+25.71%
3 Year Est. Return
+88.7%
5 Year Est. Return
+104.53%
10 Year Est. Return
+665.86%
AUM
$16B
AUM Growth
-$3.46B
Cap. Flow
-$518M
Cap. Flow %
-3.24%
Top 10 Hldgs %
25.29%
Holding
1,819
New
100
Increased
562
Reduced
749
Closed
158

Sector Composition

Rank Sector Weight
1 Technology 25.04%
2 Healthcare 18.78%
3 Financials 12.18%
4 Consumer Discretionary 9.78%
5 Industrials 8.19%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
MRVL icon
276
Marvell Technology
MRVL
$195B
$6.87M 0.04%
303,470
-29,078
-9% -$697K
ABB
277
DELISTED
ABB Ltd
ABB
$6.79M 0.04%
393,129
-25,119
-6% -$549K
SJM icon
278
J.M. Smucker
SJM
$12.7B
$6.78M 0.04%
61,073
-4,587
-7% -$490K
KMPR icon
279
Kemper
KMPR
$1.56B
$6.64M 0.04%
89,353
-9,346
-9% -$700K
AJG icon
280
Arthur J. Gallagher & Co
AJG
$65.5B
$6.64M 0.04%
81,460
+5,277
+7% +$505K
SPMD icon
281
State Street SPDR Portfolio S&P 400 Mid Cap ETF
SPMD
$19B
$6.62M 0.04%
261,245
-126,180
-33% -$4.13M
IRDM icon
282
Iridium Communications
IRDM
$5.26B
$6.6M 0.04%
295,461
+16,493
+6% +$427K
MO icon
283
Altria Group
MO
$107B
$6.56M 0.04%
169,694
-20,758
-11% -$921K
VRTX icon
284
Vertex Pharmaceuticals
VRTX
$133B
$6.53M 0.04%
27,423
+135
+0.5% +$31K
DIA icon
285
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$48.2B
$6.51M 0.04%
29,718
+8,288
+39% +$2.2M
RWO icon
286
State Street SPDR Dow Jones Global Real Estate ETF
RWO
$1.28B
$6.49M 0.04%
180,343
+55,604
+45% +$2.64M
TWTR
287
DELISTED
Twitter, Inc.
TWTR
$6.49M 0.04%
264,174
+44,437
+20% +$1.44M
VOT icon
288
Vanguard Morningstar Mid-Cap Growth ETF
VOT
$20B
$6.45M 0.04%
50,898
-1,973
-4% -$300K
ENV
289
DELISTED
ENVESTNET, INC.
ENV
$6.43M 0.04%
119,518
-2,137
-2% -$153K
MRCC
290
DELISTED
Monroe Capital Corp
MRCC
$6.33M 0.04%
891,152
+54,218
+6% +$541K
GLOB icon
291
Globant
GLOB
$1.67B
$6.2M 0.04%
70,492
-11,045
-14% -$1.23M
BKI
292
DELISTED
Black Knight, Inc. Common Stock
BKI
$6.14M 0.04%
105,846
-1,199
-1% -$78.5K
RP
293
DELISTED
RealPage, Inc.
RP
$6.1M 0.04%
115,171
-15,300
-12% -$872K
VXF icon
294
Vanguard Extended Market ETF
VXF
$32.1B
$6.05M 0.04%
66,806
-2,592
-4% -$301K
VNQI icon
295
Vanguard Global ex-US Real Estate ETF
VNQI
$3.53B
$6.04M 0.04%
140,830
-31,592
-18% -$1.7M
HCSG icon
296
Healthcare Services Group
HCSG
$1.43B
$6.03M 0.04%
252,171
+5,910
+2% +$152K
BFAM icon
297
Bright Horizons
BFAM
$3.76B
$6.02M 0.04%
59,050
-323,944
-85% -$47.6M
XLNX
298
DELISTED
Xilinx Inc
XLNX
$5.99M 0.04%
76,815
-231
-0.3% -$20.1K
INGN icon
299
Inogen
INGN
$154M
$5.94M 0.04%
114,926
+4,358
+4% +$209K
ATR icon
300
AptarGroup
ATR
$8.47B
$5.9M 0.04%
59,267
-23,297
-28% -$2.53M

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William Blair & Company's Q1 2020 Portfolio in Review

As of Q1 2020, William Blair & Company held 1,819 positions worth $16B, down 18% from $19.5B the previous quarter. Its ten largest holdings account for 25% of the portfolio.

William Blair & Company withdrew a net $518M in Q1 2020, closing 158 positions and reducing 749 holdings. Its most notable exit was Raytheon Company, an estimated $47.8M position sold in full.

By sector, the portfolio is most concentrated in Technology at 25% of assets, up from 23% a quarter earlier, followed by Healthcare and Financials.

Against the trend, William Blair & Company opened a new position in Canoo Inc. Class A Common Stock worth $4.04M.

  • William Blair & Company's largest Q1 2020 buy was Canoo Inc. Class A Common Stock: 870 shares worth $4.04M.
  • William Blair & Company added most to Vanguard FTSE Developed Markets ETF in Q1 2020, an estimated $57.8M increase.
  • William Blair & Company's biggest Q1 2020 reduction was Vanguard FTSE All-World ex-US ETF, cutting an estimated $51.6M.
  • William Blair & Company fully exited Raytheon Company in Q1 2020, selling an estimated $47.8M.
  • William Blair & Company's ten largest holdings make up 25% of its $16B portfolio in Q1 2020.
  • William Blair & Company opened 100 new positions and closed 158 in Q1 2020.
  • William Blair & Company's portfolio value fell 18% quarter-over-quarter to $16B.

Based on William Blair & Company's 13F filing for Q1 2020, filed 11 May 2020.