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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
+10.3%
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
$25B
AUM Growth
+$2.04B
Cap. Flow
+$116M
Cap. Flow %
0.46%
Top 10 Hldgs %
23.68%
Holding
1,879
New
69
Increased
680
Reduced
748
Closed
78

Top Buys

Rank Stock Value
1
NEOG icon
Neogen
NEOG
+$45.2M
2
PGR icon
Progressive
PGR
+$34.8M
3
TOST icon
Toast
TOST
+$33.8M
4
PWSC
PowerSchool Holdings, Inc.
PWSC
+$33.4M
5
UBER icon
Uber
UBER
+$30.4M

Top Sells

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$54.2M
2
LULU icon
lululemon athletica
LULU
+$53.4M
3
PYPL icon
PayPal
PYPL
+$45.8M
4
BAH icon
Booz Allen Hamilton
BAH
+$20.2M
5
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$17.8M

Sector Composition

Rank Sector Weight
1 Technology 24.61%
2 Healthcare 19.42%
3 Financials 11.75%
4 Industrials 11.37%
5 Consumer Discretionary 8.4%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
JKHY icon
876
Jack Henry & Associates
JKHY
$11.1B
$854K ﹤0.01%
5,665
+3,634
+179% +$606K
CFG icon
877
Citizens Financial Group
CFG
$31.2B
$846K ﹤0.01%
27,855
-235
-0.8% -$9.2K
ERIE icon
878
Erie Indemnity
ERIE
$13.4B
$845K ﹤0.01%
3,647
– –
DG icon
879
Dollar General
DG
$26.9B
$842K ﹤0.01%
3,999
+152
+4% +$34.1K
AXSM icon
880
Axsome Therapeutics
AXSM
$11.2B
$834K ﹤0.01%
13,525
+4,175
+45% +$274K
ISTB icon
881
iShares Core 1-5 Year USD Bond ETF
ISTB
$5.14B
$833K ﹤0.01%
17,668
+138
+0.8% +$6.46K
EXPD icon
882
Expeditors International
EXPD
$24.3B
$833K ﹤0.01%
7,562
-18
-0.2% -$1.95K
CRL icon
883
Charles River Laboratories
CRL
$13.4B
$828K ﹤0.01%
4,102
-1,002
-20% -$227K
GNR icon
884
State Street SPDR S&P Global Natural Resources ETF
GNR
$4.9B
$824K ﹤0.01%
14,436
+5,218
+57% +$304K
MSCI icon
885
MSCI
MSCI
$41.8B
$823K ﹤0.01%
1,470
-240
-14% -$127K
SLY
886
DELISTED
SPDR S&P 600 Small Cap ETF (based on S&P SmallCap 600 Index--symbol SML)
SLY
$823K ﹤0.01%
9,790
-3,350
-25% -$291K
VCR icon
887
Vanguard Consumer Discretionary ETF
VCR
$6.11B
$820K ﹤0.01%
3,245
-26
-0.8% -$6.33K
OSK icon
888
Oshkosh
OSK
$9.41B
$816K ﹤0.01%
9,810
-911
-8% -$82.7K
GTLS
889
DELISTED
Chart Industries
GTLS
$814K ﹤0.01%
6,488
-557
-8% -$71.7K
URTH icon
890
iShares MSCI World ETF
URTH
$8.4B
$807K ﹤0.01%
6,860
+210
+3% +$24.1K
LNT icon
891
Alliant Energy
LNT
$18.2B
$804K ﹤0.01%
15,058
-537
-3% -$28.6K
RACE icon
892
Ferrari
RACE
$72.5B
$797K ﹤0.01%
2,941
+570
+24% +$146K
SPYM
893
State Street SPDR Portfolio S&P 500 ETF
SPYM
$170B
$795K ﹤0.01%
16,513
+2,336
+16% +$110K
HQY icon
894
HealthEquity
HQY
$8.83B
$795K ﹤0.01%
13,541
-583
-4% -$35.4K
FTI icon
895
TechnipFMC
FTI
$30.1B
$790K ﹤0.01%
57,898
-5,524
-9% -$74.8K
OSH
896
DELISTED
Oak Street Health, Inc.
OSH
$784K ﹤0.01%
20,271
-59,284
-75% -$1.91M
AMJ
897
DELISTED
JP Morgan Alerian MLP Index ETN 5/24/24
AMJ
$781K ﹤0.01%
35,213
-705
-2% -$15.9K
QTEC icon
898
First Trust NASDAQ-100 Technology Index Fund
QTEC
$4.92B
$781K ﹤0.01%
5,986
– –
APO icon
899
Apollo Global Management
APO
$84.8B
$778K ﹤0.01%
12,313
-2,751
-18% -$184K
FUSB icon
900
First US Bancshares
FUSB
$90.7M
$768K ﹤0.01%
102,677
– –
34 35
36
37 38

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William Blair & Company's Q1 2023 Portfolio in Review

As of Q1 2023, William Blair & Company held 1,879 positions worth $25B, up 8.9% from $23B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q1 2023 filing shows 69 new, 680 increased, 748 reduced and 78 closed positions. Its largest new stake was Neogen: 2,404,277 shares worth $44.5M. The largest sale was Alphabet (Google) Class C, an estimated $54.2M.

By sector, the portfolio is most concentrated in Technology at 25% of assets, up from 22% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q1 2023 buy was Neogen: 2,404,277 shares worth $44.5M.
  • William Blair & Company added most to Progressive in Q1 2023, an estimated $34.8M increase.
  • William Blair & Company's biggest Q1 2023 reduction was Alphabet (Google) Class C, cutting an estimated $54.2M.
  • William Blair & Company fully exited Coupa Software Incorporated in Q1 2023, selling an estimated $2.65M.
  • William Blair & Company's ten largest holdings make up 24% of its $25B portfolio in Q1 2023.
  • William Blair & Company opened 69 new positions and closed 78 in Q1 2023.
  • William Blair & Company's portfolio value rose 8.9% quarter-over-quarter to $25B.

Based on William Blair & Company's 13F filing for Q1 2023, filed 12 May 2023.