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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
FLOT icon
526
iShares Floating Rate Bond ETF
FLOT
$10.5B
$3.41M 0.01%
67,756
-24,000
-26% -$1.21M
ZBH icon
527
Zimmer Biomet
ZBH
$18.8B
$3.41M 0.01%
26,383
-308
-1% -$38.7K
ROKU icon
528
Roku
ROKU
$22.8B
$3.38M 0.01%
51,327
-5,298
-9% -$310K
MLM icon
529
Martin Marietta Materials
MLM
$32.9B
$3.38M 0.01%
9,510
-449
-5% -$158K
DDOG icon
530
Datadog
DDOG
$89.4B
$3.37M 0.01%
46,432
+22,117
+91% +$1.62M
IBN icon
531
ICICI Bank
IBN
$106B
$3.37M 0.01%
156,314
-1,253
-0.8% -$26.1K
D icon
532
Dominion Energy
D
$60.1B
$3.36M 0.01%
60,085
-7,622
-11% -$446K
RGLD icon
533
Royal Gold
RGLD
$19.4B
$3.36M 0.01%
25,870
-2,272
-8% -$280K
MRCC
534
DELISTED
Monroe Capital Corp
MRCC
$3.33M 0.01%
435,208
-12,115
-3% -$98.3K
AGL icon
535
Agilon Health
AGL
$1.47B
$3.31M 0.01%
5,579
+5,129
+1,140% +$2.87M
ES icon
536
Eversource Energy
ES
$27.1B
$3.25M 0.01%
41,555
-746
-2% -$58.9K
COLD icon
537
Americold
COLD
$4.32B
$3.25M 0.01%
114,187
+579
+0.5% +$17.3K
VSAT icon
538
Viasat
VSAT
$11.8B
$3.24M 0.01%
95,732
-6,046
-6% -$206K
MUB icon
539
iShares National Muni Bond ETF
MUB
$45.9B
$3.23M 0.01%
30,023
-2,147
-7% -$229K
IFF icon
540
International Flavors & Fragrances
IFF
$21.5B
$3.18M 0.01%
34,574
-4,532
-12% -$450K
DSI icon
541
iShares MSCI KLD 400 Social ETF
DSI
$5.57B
$3.17M 0.01%
40,610
-178
-0.4% -$13.4K
OKE icon
542
Oneok
OKE
$58.6B
$3.15M 0.01%
49,552
-531
-1% -$35.3K
MEC icon
543
Mayville Engineering Co
MEC
$600M
$3.11M 0.01%
+208,647
New +$3.04M
DAL icon
544
Delta Air Lines
DAL
$60B
$3.11M 0.01%
89,112
-3
-0% -$111
DHI icon
545
D.R. Horton
DHI
$41.6B
$3.09M 0.01%
31,639
-369
-1% -$35.2K
DGRO icon
546
iShares Core Dividend Growth ETF
DGRO
$43.8B
$3.08M 0.01%
61,545
+4,606
+8% +$231K
DOCN icon
547
DigitalOcean
DOCN
$16.1B
$3.07M 0.01%
78,408
+4,072
+5% +$128K
NVO
548
Novo Nordisk
NVO
$201B
$3.07M 0.01%
38,556
+8,042
+26% +$570K
ELS icon
549
Equity Lifestyle Properties
ELS
$12.6B
$3.07M 0.01%
45,666
+244
+0.5% +$16.6K
SP
550
DELISTED
SP Plus Corporation
SP
$3.05M 0.01%
89,026
-6,907
-7% -$245K
20 21
22
23 24

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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.