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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
LUV icon
826
Southwest Airlines
LUV
$22B
$576K ﹤0.01%
16,174
+4,989
+45% +$247K
FCFS icon
827
FirstCash
FCFS
$9.14B
$572K ﹤0.01%
7,969
+832
+12% +$67.3K
IXUS icon
828
iShares Core MSCI Total International Stock ETF
IXUS
$60.8B
$571K ﹤0.01%
12,150
-5,534
-31% -$313K
IMGN
829
DELISTED
Immunogen Inc
IMGN
$566K ﹤0.01%
165,858
-11,798
-7% -$51.6K
TME icon
830
Tencent Music
TME
$14.2B
$564K ﹤0.01%
56,048
LBRDK icon
831
Liberty Broadband Class C
LBRDK
$5.29B
$563K ﹤0.01%
5,088
+225
+5% +$28K
STT icon
832
State Street
STT
$52.2B
$562K ﹤0.01%
10,557
-360
-3% -$25K
MNDT
833
DELISTED
Mandiant, Inc. Common Stock
MNDT
$555K ﹤0.01%
52,493
-49,337
-48% -$710K
WMB icon
834
Williams Companies
WMB
$89.3B
$549K ﹤0.01%
38,811
-7,692
-17% -$149K
LRCX icon
835
Lam Research
LRCX
$422B
$548K ﹤0.01%
22,830
-5,600
-20% -$161K
TTD icon
836
Trade Desk
TTD
$6.84B
$548K ﹤0.01%
28,370
+7,490
+36% +$194K
WU icon
837
Western Union
WU
$2.34B
$547K ﹤0.01%
30,198
+847
+3% +$20.8K
EFV icon
838
iShares MSCI EAFE Value ETF
EFV
$30.1B
$542K ﹤0.01%
15,198
-4,301
-22% -$191K
XLB icon
839
State Street Materials Select Sector SPDR ETF
XLB
$8.57B
$542K ﹤0.01%
24,064
+388
+2% +$10.7K
F icon
840
Ford
F
$55.4B
$536K ﹤0.01%
110,873
-22,071
-17% -$165K
MTX icon
841
Minerals Technologies
MTX
$2.26B
$535K ﹤0.01%
14,760
-14,707
-50% -$712K
SCHF icon
842
Schwab International Equity ETF
SCHF
$69.3B
$535K ﹤0.01%
41,404
-434
-1% -$6.67K
IGIB icon
843
iShares 5-10 Year Investment Grade Corporate Bond ETF
IGIB
$18.6B
$534K ﹤0.01%
9,725
-2,671
-22% -$154K
ARKK icon
844
ARK Innovation ETF
ARKK
$6.54B
$532K ﹤0.01%
12,090
+1,795
+17% +$91.5K
ESGV icon
845
Vanguard ESG US Stock ETF
ESGV
$13.7B
$532K ﹤0.01%
11,614
+11,355
+4,384% +$613K
IVZ icon
846
Invesco
IVZ
$14.3B
$532K ﹤0.01%
58,577
+7,132
+14% +$108K
MCY icon
847
Mercury Insurance
MCY
$5.81B
$532K ﹤0.01%
13,059
CNC icon
848
Centene
CNC
$32.6B
$529K ﹤0.01%
8,908
+2,918
+49% +$177K
IYF icon
849
iShares US Financials ETF
IYF
$4.44B
$528K ﹤0.01%
10,856
-1,390
-11% -$88K
SUNS
850
DELISTED
SLR Senior Investment Corp. Common Stock
SUNS
$525K ﹤0.01%
54,064
+3,700
+7% +$58.8K

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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.