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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
SPSC icon
1351
SPS Commerce
SPSC
$2.75B
$223K ﹤0.01%
+1,463
New +$208K
XNTK icon
1352
State Street SPDR NYSE Technology ETF
XNTK
$2.28B
$223K ﹤0.01%
1,837
+1
+0.1% +$112
VRSN icon
1353
VeriSign
VRSN
$25.8B
$222K ﹤0.01%
+1,052
New +$217K
WCLD
1354
WisdomTree Cloud Computing Fund
WCLD
$307M
$222K ﹤0.01%
7,484
-115
-2% -$3.22K
VMD icon
1355
Viemed Healthcare
VMD
$356M
$222K ﹤0.01%
23,000
– –
VOX icon
1356
Vanguard Communication Services ETF
VOX
$5.85B
$222K ﹤0.01%
2,294
-23,398
-91% -$2.16M
AGGY icon
1357
WisdomTree Yield Enhanced US Aggregate Bond Fund
AGGY
$926M
$221K ﹤0.01%
5,066
+25
+0.5% +$1.09K
WNS
1358
DELISTED
WNS Holdings
WNS
$221K ﹤0.01%
+2,369
New +$206K
OGS icon
1359
ONE Gas
OGS
$5.1B
$220K ﹤0.01%
2,779
-19
-0.7% -$1.51K
LNC icon
1360
Lincoln National
LNC
$8.59B
$219K ﹤0.01%
9,762
-3,585
-27% -$107K
KFRC icon
1361
Kforce
KFRC
$1.05B
$219K ﹤0.01%
+3,465
New +$206K
EWBC icon
1362
East-West Bancorp
EWBC
$18.6B
$219K ﹤0.01%
3,944
-531
-12% -$36.7K
LSXMK
1363
DELISTED
Liberty Media Corporation Series C Liberty SiriusXM Common Stock
LSXMK
$218K ﹤0.01%
10,057
+10
+0.1% +$264
MP icon
1364
MP Materials
MP
$9.82B
$218K ﹤0.01%
7,720
-6,369
-45% -$193K
EME icon
1365
Emcor
EME
$37B
$217K ﹤0.01%
1,336
-585
-30% -$90K
IEO icon
1366
iShares US Oil & Gas Exploration & Production ETF
IEO
$586M
$217K ﹤0.01%
2,528
-700
-22% -$62.7K
ONC
1367
BeOne Medicines Ltd
ONC
$40.2B
$216K ﹤0.01%
1,004
+4
+0.4% +$959
IGIB icon
1368
iShares 5-10 Year Investment Grade Corporate Bond ETF
IGIB
$18.6B
$216K ﹤0.01%
4,203
-357
-8% -$18.1K
PKG icon
1369
Packaging Corp of America
PKG
$22.9B
$215K ﹤0.01%
+1,552
New +$211K
CRDF icon
1370
Cardiff Oncology
CRDF
$80.9M
$215K ﹤0.01%
130,500
-21,075
-14% -$36.2K
IWX icon
1371
iShares Russell Top 200 Value ETF
IWX
$4.03B
$215K ﹤0.01%
3,305
– –
HASI icon
1372
Hannon Armstrong Sustainable Infrastructure Capital
HASI
$5.41B
$213K ﹤0.01%
+7,445
New +$235K
SPYD icon
1373
State Street SPDR Portfolio S&P 500 High Dividend ETF
SPYD
$7.76B
$212K ﹤0.01%
5,588
+844
+18% +$33.7K
COMT icon
1374
iShares GSCI Commodity Dynamic Roll Strategy ETF
COMT
$1.22B
$212K ﹤0.01%
7,854
-735
-9% -$20K
TS icon
1375
Tenaris
TS
$26.7B
$212K ﹤0.01%
7,460
+508
+7% +$16.7K
53 54
55
56 57

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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.