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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
A icon
626
Agilent Technologies
A
$41.9B
$2.25M 0.01%
16,257
-1,250
-7% -$183K
WTW icon
627
Willis Towers Watson
WTW
$30.9B
$2.24M 0.01%
9,646
-27
-0.3% -$6.53K
PDP icon
628
Invesco Dorsey Wright Momentum ETF
PDP
$1.54B
$2.23M 0.01%
29,400
– –
IMGN
629
DELISTED
Immunogen Inc
IMGN
$2.23M 0.01%
579,595
+235,000
+68% +$1M
COIN icon
630
Coinbase
COIN
$39.2B
$2.22M 0.01%
32,828
+7,722
+31% +$462K
CHKP icon
631
Check Point Software Technologies
CHKP
$13.3B
$2.21M 0.01%
16,989
-1,377
-7% -$175K
VAW icon
632
Vanguard Materials ETF
VAW
$3.05B
$2.2M 0.01%
12,366
+16
+0.1% +$2.86K
WYNN icon
633
Wynn Resorts
WYNN
$10.6B
$2.2M 0.01%
19,640
+486
+3% +$50.8K
HCA icon
634
HCA Healthcare
HCA
$88.6B
$2.19M 0.01%
8,318
-275
-3% -$69.9K
IPG
635
DELISTED
Interpublic Group of Companies
IPG
$2.19M 0.01%
58,821
+5,403
+10% +$194K
NTR icon
636
Nutrien
NTR
$32B
$2.17M 0.01%
29,344
+1,834
+7% +$142K
LEN icon
637
Lennar Class A
LEN
$21B
$2.16M 0.01%
21,261
+127
+0.6% +$12.3K
LH icon
638
Labcorp
LH
$26.1B
$2.13M 0.01%
10,811
+362
+3% +$74.5K
ITT icon
639
ITT
ITT
$19.3B
$2.12M 0.01%
24,533
+635
+3% +$55.8K
PRO
640
DELISTED
PROS Holdings
PRO
$2.11M 0.01%
76,834
– –
GAIN icon
641
Gladstone Investment Corp
GAIN
$657M
$2.1M 0.01%
158,854
+1,274
+0.8% +$17.2K
HEI.A icon
642
HEICO Corp Class A
HEI.A
$37.8B
$2.08M 0.01%
15,283
+1,686
+12% +$223K
FLG
643
Flagstar Bank National Association
FLG
$5.93B
$2.06M 0.01%
75,993
+903
+1% +$24.4K
COF icon
644
Capital One
COF
$136B
$2.06M 0.01%
21,408
-1,145
-5% -$120K
WELL icon
645
Welltower
WELL
$169B
$2.06M 0.01%
28,672
+164
+0.6% +$11.9K
SUSA icon
646
iShares ESG Optimized MSCI USA ETF
SUSA
$4.2B
$2.05M 0.01%
23,366
-163
-0.7% -$14K
DLR icon
647
Digital Realty Trust
DLR
$73.2B
$2.05M 0.01%
20,843
-1,478
-7% -$156K
BALL icon
648
Ball Corp
BALL
$16.5B
$2.04M 0.01%
29,089
-19,551
-40% -$1.09M
DGX icon
649
Quest Diagnostics
DGX
$26.1B
$2.02M 0.01%
14,312
+5,578
+64% +$798K
HYG icon
650
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$17.9B
$2.02M 0.01%
26,770
+7,157
+36% +$536K
24 25
26
27 28

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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.