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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
-7.4%
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
$28.5B
AUM Growth
-$3.35B
Cap. Flow
-$163M
Cap. Flow %
-0.57%
Top 10 Hldgs %
24.38%
Holding
2,057
New
95
Increased
667
Reduced
873
Closed
147

Sector Composition

Rank Sector Weight
1 Technology 25.22%
2 Healthcare 19.05%
3 Financials 11.51%
4 Industrials 10.68%
5 Consumer Discretionary 10.04%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
BKCC
1101
DELISTED
BlackRock Capital Investment Corporation
BKCC
$580K ﹤0.01%
137,660
-11,472
-8% -$47.3K
KRT icon
1102
Karat Packaging
KRT
$953M
$578K ﹤0.01%
29,122
+2,904
+11% +$50.3K
MKSI icon
1103
MKS Inc
MKSI
$20.7B
$572K ﹤0.01%
3,815
+1,345
+54% +$209K
NVCR icon
1104
NovoCure
NVCR
$2.02B
$572K ﹤0.01%
+6,903
New +$508K
PIE icon
1105
Invesco Dorsey Wright Emerging Markets Momentum ETF
PIE
$250M
$572K ﹤0.01%
24,480
-5,140
-17% -$124K
IR icon
1106
Ingersoll Rand
IR
$32.7B
$569K ﹤0.01%
11,306
-1,614
-12% -$86.5K
OPEN icon
1107
Opendoor
OPEN
$3.54B
$563K ﹤0.01%
67,233
-26,694
-28% -$248K
LII icon
1108
Lennox International
LII
$14.5B
$561K ﹤0.01%
2,175
-57
-3% -$15.6K
BBAX icon
1109
JPMorgan BetaBuilders Developed Asia Pacific-ex Japan ETF
BBAX
$6.78B
$558K ﹤0.01%
10,026
+116
+1% +$6.21K
MMI icon
1110
Marcus & Millichap
MMI
$1.2B
$558K ﹤0.01%
10,600
-2,037
-16% -$97.6K
WYNN icon
1111
Wynn Resorts
WYNN
$10.5B
$557K ﹤0.01%
6,980
-11
-0.2% -$927
GH icon
1112
Guardant Health
GH
$21.4B
$554K ﹤0.01%
8,364
-3,706
-31% -$254K
BBJP icon
1113
JPMorgan BetaBuilders Japan ETF
BBJP
$19.2B
$553K ﹤0.01%
10,905
-1,281
-11% -$67K
AMPL icon
1114
Amplitude
AMPL
$1.66B
$552K ﹤0.01%
29,941
+9,195
+44% +$279K
JEPI icon
1115
JPMorgan Equity Premium Income ETF
JEPI
$46.2B
$547K ﹤0.01%
8,901
+878
+11% +$53.2K
IONS icon
1116
Ionis Pharmaceuticals
IONS
$9.28B
$546K ﹤0.01%
14,728
+264
+2% +$8.64K
Z icon
1117
Zillow
Z
$8.08B
$545K ﹤0.01%
+11,055
New +$594K
CHDN icon
1118
Churchill Downs
CHDN
$6.2B
$544K ﹤0.01%
4,910
+46
+0.9% +$5.06K
IYF icon
1119
iShares US Financials ETF
IYF
$4.44B
$544K ﹤0.01%
6,437
-337
-5% -$29K
CBRE icon
1120
CBRE Group
CBRE
$44B
$543K ﹤0.01%
5,930
-2,669
-31% -$260K
WU icon
1121
Western Union
WU
$2.34B
$543K ﹤0.01%
28,950
-3,182
-10% -$58.9K
MTB icon
1122
M&T Bank
MTB
$36.6B
$542K ﹤0.01%
3,198
-72
-2% -$12.7K
FSMB icon
1123
First Trust Short Duration Managed Municipal ETF
FSMB
$628M
$537K ﹤0.01%
26,750
VICI icon
1124
VICI Properties
VICI
$29B
$536K ﹤0.01%
18,825
+68
+0.4% +$1.91K
RGEN icon
1125
Repligen
RGEN
$9.45B
$533K ﹤0.01%
2,835
-478
-14% -$90.8K

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William Blair & Company's Q1 2022 Portfolio in Review

As of Q1 2022, William Blair & Company held 2,057 positions worth $28.5B, down 11% from $31.9B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q1 2022 filing shows 95 new, 667 increased, 873 reduced and 147 closed positions. Its largest new stake was Apollo Global Management: 145,513 shares worth $9.02M. The largest sale was IHS Markit Ltd. Common Shares, an estimated $77.7M.

By sector, the portfolio is most concentrated in Technology at 25% of assets, down from 26% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q1 2022 buy was Apollo Global Management: 145,513 shares worth $9.02M.
  • William Blair & Company added most to Airbnb in Q1 2022, an estimated $71.5M increase.
  • William Blair & Company's biggest Q1 2022 reduction was CarMax, cutting an estimated $61.4M.
  • William Blair & Company fully exited IHS Markit Ltd. Common Shares in Q1 2022, selling an estimated $77.7M.
  • William Blair & Company's ten largest holdings make up 24% of its $28.5B portfolio in Q1 2022.
  • William Blair & Company opened 95 new positions and closed 147 in Q1 2022.
  • William Blair & Company's portfolio value fell 11% quarter-over-quarter to $28.5B.

Based on William Blair & Company's 13F filing for Q1 2022, filed 13 May 2022.