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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
GMED icon
876
Globus Medical
GMED
$11.5B
$481K ﹤0.01%
11,319
-375
-3% -$18.5K
IYH icon
877
iShares US Healthcare ETF
IYH
$3.77B
$479K ﹤0.01%
12,740
-2,080
-14% -$85.5K
KEY icon
878
KeyCorp
KEY
$24.6B
$479K ﹤0.01%
46,155
+30,310
+191% +$504K
FLRN icon
879
State Street SPDR Bloomberg Investment Grade Floating Rate ETF
FLRN
$2.97B
$478K ﹤0.01%
16,275
-518,405
-97% -$15.7M
MMSI icon
880
Merit Medical Systems
MMSI
$5.4B
$478K ﹤0.01%
15,299
CLR
881
DELISTED
CONTINENTAL RESOURCES INC.
CLR
$478K ﹤0.01%
62,570
-41,318
-40% -$922K
HALO icon
882
Halozyme
HALO
$11.4B
$475K ﹤0.01%
26,413
+4,970
+23% +$94.3K
OLED icon
883
Universal Display
OLED
$4.18B
$475K ﹤0.01%
3,604
-310
-8% -$53.3K
DPZ icon
884
Domino's
DPZ
$11.6B
$469K ﹤0.01%
+1,446
New +$446K
COR icon
885
Cencora
COR
$59.2B
$468K ﹤0.01%
5,293
-202
-4% -$17.8K
AIR icon
886
AAR Corp
AIR
$5.77B
$467K ﹤0.01%
+26,277
New +$960K
FRC
887
DELISTED
First Republic Bank
FRC
$465K ﹤0.01%
5,654
-1,498
-21% -$159K
RCL icon
888
Royal Caribbean
RCL
$82.9B
$463K ﹤0.01%
14,379
-2,517
-15% -$230K
FXI icon
889
iShares China Large-Cap ETF
FXI
$4.16B
$460K ﹤0.01%
12,256
+3,635
+42% +$148K
J icon
890
Jacobs Solutions
J
$16.8B
$458K ﹤0.01%
6,984
-30
-0.4% -$2.26K
HII icon
891
Huntington Ingalls Industries
HII
$12.8B
$457K ﹤0.01%
2,506
+355
+17% +$82.7K
SSNC icon
892
SS&C Technologies
SSNC
$19.3B
$457K ﹤0.01%
10,425
+2,363
+29% +$134K
RVTY icon
893
Revvity
RVTY
$13.1B
$456K ﹤0.01%
6,063
SLF icon
894
Sun Life Financial
SLF
$44.8B
$454K ﹤0.01%
14,158
ITGR icon
895
Integer Holdings
ITGR
$4.25B
$450K ﹤0.01%
7,152
VFH icon
896
Vanguard Financials ETF
VFH
$14B
$445K ﹤0.01%
8,773
-11,458
-57% -$780K
THW
897
abrdn World Healthcare Fund
THW
$560M
$441K ﹤0.01%
38,681
+793
+2% +$10.4K
AEE icon
898
Ameren
AEE
$30.2B
$439K ﹤0.01%
6,031
+2
+0% +$159
EEFT icon
899
Euronet Worldwide
EEFT
$2.78B
$439K ﹤0.01%
5,120
-5,871
-53% -$778K
CIEN icon
900
Ciena
CIEN
$62.7B
$431K ﹤0.01%
10,825

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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.