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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
+1.99%
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
$29.4B
AUM Growth
+$519M
(+1.8%)
Cap. Flow
+$281M
Cap. Flow
% of AUM
0.96%
Top 10 Holdings %
Top 10 Hldgs %
23.58%
Holding
1,987
New
99
Increased
752
Reduced
666
Closed
108
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Airbnb
ABNB
|
+$45.2M |
| 2 |
Chewy
CHWY
|
+$31.5M |
| 3 |
Unity
U
|
+$23.3M |
| 4 |
Ryan Specialty Holdings
RYAN
|
+$22.4M |
| 5 |
Amazon
AMZN
|
+$21.5M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Idexx Laboratories
IDXX
|
+$37.7M |
| 2 |
General Dynamics
GD
|
+$33.5M |
| 3 |
Ecolab
ECL
|
+$31.7M |
| 4 |
Johnson & Johnson
JNJ
|
+$20.9M |
| 5 |
Uber
UBER
|
+$19.2M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 26.19% |
| 2 | Healthcare | 19.81% |
| 3 | Financials | 11.61% |
| 4 | Consumer Discretionary | 10.68% |
| 5 | Industrials | 9.37% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
SEE
1426
DELISTED
Sealed Air
SEE
| $226K | ﹤0.01% |
4,123
+110
| +3% | +$6.39K |
|
1427
SPS Commerce
SPSC
$2.77B
| $226K | ﹤0.01% |
+1,400
| New | +$173K |
|
1428
Ubiquiti
UI
$35B
| $226K | ﹤0.01% |
755
-214
| -22% | -$66.1K |
|
1429
Black Stone Minerals
BSM
$3.06B
| $225K | ﹤0.01% |
18,633
+1,200
| +7% | +$12.7K |
|
1430
Nicolet Bankshares
NIC
$3.74B
| $225K | ﹤0.01% |
+3,027
| New | +$221K |
|
1431
State Street SPDR Dow Jones REIT ETF
RWR
$1.89B
| $225K | ﹤0.01% |
2,131
+370
| +21% | +$40.6K |
|
1432
First Trust STOXX European Select Dividend Income Fund
FDD
$909M
| $224K | ﹤0.01% |
16,147
+40
| +0.2% | +$584 |
|
1433
Olin
OLN
$2.17B
| $224K | ﹤0.01% |
4,650
| – | – |
|
1434
Invesco Taxable Municipal Bond ETF
BAB
$1.01B
| $223K | ﹤0.01% |
6,786
| – | – |
|
|
LPRO
1435
DELISTED
Open Lending Corp
LPRO
| $223K | ﹤0.01% |
+6,180
| New | +$236K |
|
1436
VeriSign
VRSN
$25.9B
| $223K | ﹤0.01% |
1,089
-100
| -8% | -$21.9K |
|
1437
NCR Voyix
VYX
$1.17B
| $223K | ﹤0.01% |
9,373
+597
| +7% | +$15.5K |
|
|
EGIO
1438
DELISTED
Edgio, Inc. Common Stock
EGIO
| $223K | ﹤0.01% |
2,343
-1,251
| -35% | -$132K |
|
1439
AES
AES
$10.5B
| $222K | ﹤0.01% |
9,708
-8,063
| -45% | -$196K |
|
1440
Digital Turbine
APPS
$1.53B
| $222K | ﹤0.01% |
3,230
| – | – |
|
1441
Eton Pharmaceutcials
ETON
$1.16B
| $222K | ﹤0.01% |
44,000
| – | – |
|
1442
Gentex
GNTX
$4.95B
| $222K | ﹤0.01% |
6,745
-337
| -5% | -$10.9K |
|
1443
Invesco S&P 500 Pure Value ETF
RPV
$1.74B
| $222K | ﹤0.01% |
2,925
+120
| +4% | +$9.14K |
|
1444
Webster Financial
WBS
$12.8B
| $222K | ﹤0.01% |
+4,073
| New | +$203K |
|
1445
Distribution Solutions Group
DSGR
$1.61B
| $220K | ﹤0.01% |
8,800
| – | – |
|
1446
IPG Photonics
IPGP
$3.74B
| $220K | ﹤0.01% |
1,389
+400
| +40% | +$73.5K |
|
1447
Arch Capital
ACGL
$33.4B
| $218K | ﹤0.01% |
5,709
+38
| +0.7% | +$1.5K |
|
1448
Rithm Capital
RITM
$5.79B
| $218K | ﹤0.01% |
19,837
-5,765
| -23% | -$59.2K |
|
1449
FTI Consulting
FCN
$4.22B
| $217K | ﹤0.01% |
1,609
-3,215
| -67% | -$446K |
|
1450
Fidus Investment
FDUS
$754M
| $217K | ﹤0.01% |
12,421
+145
| +1% | +$2.52K |
|
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William Blair & Company's Q3 2021 Portfolio in Review
As of Q3 2021, William Blair & Company held 1,987 positions worth $29.4B, up 1.8% from $28.9B the previous quarter. Its ten largest holdings account for 24% of the portfolio.
William Blair & Company's Q3 2021 filing shows 99 new, 752 increased, 666 reduced and 108 closed positions. Its largest new stake was Ryan Specialty Holdings: 709,555 shares worth $24M. The largest sale was Idexx Laboratories, an estimated $37.7M.
By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 26% a quarter earlier, followed by Healthcare and Financials.
- William Blair & Company's largest Q3 2021 buy was Ryan Specialty Holdings: 709,555 shares worth $24M.
- William Blair & Company added most to Airbnb in Q3 2021, an estimated $45.2M increase.
- William Blair & Company's biggest Q3 2021 reduction was Idexx Laboratories, cutting an estimated $37.7M.
- William Blair & Company fully exited Slack Technologies, Inc. in Q3 2021, selling an estimated $13.8M.
- William Blair & Company's ten largest holdings make up 24% of its $29.4B portfolio in Q3 2021.
- William Blair & Company opened 99 new positions and closed 108 in Q3 2021.
- William Blair & Company's portfolio value rose 1.8% quarter-over-quarter to $29.4B.
Based on William Blair & Company's 13F filing for Q3 2021, filed 12 Nov 2021.