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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
(+8.9%)
Cap. Flow
+$116M
Cap. Flow
% of AUM
0.46%
Top 10 Holdings %
Top 10 Hldgs %
23.68%
Holding
1,879
New
69
Increased
680
Reduced
748
Closed
78
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Neogen
NEOG
|
+$45.2M |
| 2 |
Progressive
PGR
|
+$34.8M |
| 3 |
Toast
TOST
|
+$33.8M |
| 4 |
PWSC
PowerSchool Holdings, Inc.
PWSC
|
+$33.4M |
| 5 |
Uber
UBER
|
+$30.4M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Alphabet (Google) Class C
GOOG
|
+$54.2M |
| 2 |
lululemon athletica
LULU
|
+$53.4M |
| 3 |
PayPal
PYPL
|
+$45.8M |
| 4 |
Booz Allen Hamilton
BAH
|
+$20.2M |
| 5 |
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 | |
|---|---|---|---|---|---|---|
1251
Invesco S&P 500 Pure Growth ETF
RPG
$2.09B
| $289K | ﹤0.01% |
9,545
+6,825
| +251% | +$208K |
|
1252
Liberty Global Class C
LBTYK
$3.48B
| $288K | ﹤0.01% |
14,149
| – | – |
|
1253
MKS Inc
MKSI
$20.7B
| $287K | ﹤0.01% |
3,240
+19
| +0.6% | +$1.81K |
|
1254
American States Water
AWR
$3.52B
| $287K | ﹤0.01% |
3,230
-1,000
| -24% | -$91.4K |
|
1255
Palantir
PLTR
$430B
| $285K | ﹤0.01% |
33,762
-4,810
| -12% | -$37.6K |
|
1256
State Street SPDR Bloomberg Investment Grade Floating Rate ETF
FLRN
$2.97B
| $285K | ﹤0.01% |
9,374
-19,288
| -67% | -$588K |
|
1257
Arrow Electronics
ARW
$10.6B
| $284K | ﹤0.01% |
2,278
-14
| -0.6% | -$1.66K |
|
1258
National Bank Holdings
NBHC
$1.94B
| $284K | ﹤0.01% |
8,500
| – | – |
|
1259
Stellantis
STLA
$20.2B
| $283K | ﹤0.01% |
15,532
+489
| +3% | +$8.17K |
|
1260
AtriCure
ATRC
$2.21B
| $282K | ﹤0.01% |
6,803
-483
| -7% | -$20K |
|
1261
Sunrun
RUN
$2.37B
| $281K | ﹤0.01% |
13,969
+2,000
| +17% | +$46.7K |
|
1262
Crane Co
CR
$12.7B
| $280K | ﹤0.01% |
+2,470
| New | +$182K |
|
1263
Clean Harbors
CLH
$16.9B
| $276K | ﹤0.01% |
1,935
| – | – |
|
1264
UFP Industries
UFPI
$5.03B
| $276K | ﹤0.01% |
3,469
+170
| +5% | +$14.5K |
|
1265
Myriad Genetics
MYGN
$303M
| $276K | ﹤0.01% |
11,866
| – | – |
|
1266
TriMas Corp
TRS
$1.39B
| $276K | ﹤0.01% |
9,893
-25,386
| -72% | -$744K |
|
1267
Macy's
M
$6.27B
| $275K | ﹤0.01% |
15,748
-3,994
| -20% | -$84.5K |
|
|
BRKL
1268
DELISTED
Brookline Bancorp
BRKL
| $275K | ﹤0.01% |
26,210
| – | – |
|
1269
iShares US Telecommunications ETF
IYZ
$1.24B
| $275K | ﹤0.01% |
11,854
| – | – |
|
1270
Workiva
WK
$4.01B
| $273K | ﹤0.01% |
+2,670
| New | +$242K |
|
1271
First Trust Dorsey Wright Focus 5 ETF
FV
$3.83B
| $273K | ﹤0.01% |
6,063
+3,241
| +115% | +$151K |
|
1272
Allegion
ALLE
$14.2B
| $273K | ﹤0.01% |
2,560
-252
| -9% | -$28.3K |
|
1273
AutoNation
AN
$6.89B
| $272K | ﹤0.01% |
2,028
| – | – |
|
1274
Bank of Marin Bancorp
BMRC
$462M
| $272K | ﹤0.01% |
12,411
| – | – |
|
1275
iShares Global Healthcare ETF
IXJ
$4.23B
| $271K | ﹤0.01% |
3,256
-81
| -2% | -$6.71K |
|
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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.