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William Blair Investment Management Portfolio holdings
AUM
$33.3B
1-Year Est. Return
44.76%
This Fund
S&P 500
This Quarter
Est. Return
+5.82%
1 Year Est. Return
+44.76%
3 Year Est. Return
+140.8%
5 Year Est. Return
+166.51%
10 Year Est. Return
+978.6%
AUM
$30.9B
AUM Growth
+$843M
(+2.8%)
Cap. Flow
-$358M
Cap. Flow
% of AUM
-1.16%
Top 10 Holdings %
Top 10 Hldgs %
16.89%
Holding
389
New
33
Increased
152
Reduced
179
Closed
22
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Charles River Laboratories
CRL
|
+$239M |
| 2 |
Ryanair
RYAAY
|
+$210M |
| 3 |
Dynatrace
DT
|
+$201M |
| 4 |
Certara
CERT
|
+$155M |
| 5 |
Leslie's
LESL
|
+$148M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
SolarEdge
SEDG
|
+$265M |
| 2 |
TSMC
TSM
|
+$235M |
| 3 |
Steris
STE
|
+$187M |
| 4 |
MongoDB
MDB
|
+$173M |
| 5 |
Etsy
ETSY
|
+$170M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 24.51% |
| 2 | Healthcare | 21.08% |
| 3 | Industrials | 14.45% |
| 4 | Consumer Discretionary | 12.96% |
| 5 | Financials | 7.5% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
201
Vinci Compass Investments Ltd
VINP
$626M
| $23.2M | 0.08% |
+1,763,452
| New | +$28.6M |
|
202
Infosys
INFY
$49.7B
| $23.2M | 0.08% |
1,239,218
-313,677
| -20% | -$5.68M |
|
203
Wintrust Financial
WTFC
$11B
| $23.1M | 0.07% |
304,464
+71,420
| +31% | +$5.1M |
|
204
Owens Corning
OC
$12.3B
| $22.5M | 0.07% |
244,302
+22,946
| +10% | +$1.92M |
|
|
205
MongoDB
MDB
$35.2B
| $22.3M | 0.07% |
83,514
-488,652
| -85% | -$173M |
|
206
Forrester Research
FORR
$220M
| $21.9M | 0.07% |
515,493
+29,962
| +6% | +$1.3M |
|
207
Colliers International
CIGI
$5.15B
| $21.7M | 0.07% |
221,193
+17,181
| +8% | +$1.68M |
|
208
Warner Music
WMG
$13B
| $21.6M | 0.07% |
+630,089
| New | +$22.5M |
|
209
Artivion
AORT
$1.4B
| $21.5M | 0.07% |
952,534
+74,061
| +8% | +$1.81M |
|
210
Veeva Systems
VEEV
$39.2B
| $21.5M | 0.07% |
82,226
+881
| +1% | +$245K |
|
|
LPRO
211
DELISTED
Open Lending Corp
LPRO
| $21.4M | 0.07% |
604,828
+46,902
| +8% | +$1.77M |
|
212
SBA Communications
SBAC
$19.4B
| $21.3M | 0.07% |
76,563
-2,565
| -3% | -$680K |
|
213
Grupo Aeroportuario del Sureste
ASR
$8.24B
| $20.9M | 0.07% |
117,824
-6,694
| -5% | -$1.15M |
|
|
HR
214
DELISTED
Healthcare Realty Trust Incorporated
HR
| $20.7M | 0.07% |
683,598
-128,233
| -16% | -$3.86M |
|
215
FMC
FMC
$1.28B
| $20.4M | 0.07% |
184,791
+4,692
| +3% | +$520K |
|
216
Equity Lifestyle Properties
ELS
$12.4B
| $20.3M | 0.07% |
318,414
+33,914
| +12% | +$2.11M |
|
|
EXAS
217
DELISTED
Exact Sciences
EXAS
| $20M | 0.06% |
151,410
-4,609
| -3% | -$631K |
|
|
COR
218
DELISTED
Coresite Realty Corporation
COR
| $19.9M | 0.06% |
166,381
+47,606
| +40% | +$5.79M |
|
219
LivePerson
LPSN
$34.1M
| $19.9M | 0.06% |
25,175
+1,914
| +8% | +$1.77M |
|
220
Vertex
VERX
$2B
| $19.9M | 0.06% |
903,597
+425,667
| +89% | +$13.3M |
|
|
LGTY
221
DELISTED
Logility Supply Chain Solutions, Inc. Common Stock
LGTY
| $19.7M | 0.06% |
952,020
+73,970
| +8% | +$1.48M |
|
222
Energy Recovery
ERII
$397M
| $19.7M | 0.06% |
1,073,662
+69,396
| +7% | +$1.11M |
|
223
Eagle Materials
EXP
$6.47B
| $19.6M | 0.06% |
145,504
+14,917
| +11% | +$1.81M |
|
224
MakeMyTrip
MMYT
$5.67B
| $19.5M | 0.06% |
+618,269
| New | +$19.7M |
|
225
US Physical Therapy
USPH
$1.22B
| $19.4M | 0.06% |
186,703
+14,017
| +8% | +$1.74M |
|
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William Blair Investment Management's Q1 2021 Portfolio in Review
As of Q1 2021, William Blair Investment Management held 389 positions worth $30.9B, up 2.8% from $30B the previous quarter. Its ten largest holdings account for 17% of the portfolio.
William Blair Investment Management's Q1 2021 filing shows 33 new, 152 increased, 179 reduced and 22 closed positions. Its largest new stake was Dynatrace: 4,138,525 shares worth $200M. The largest sale was SolarEdge, an estimated $265M.
By sector, the portfolio is most concentrated in Technology at 25% of assets, down from 27% a quarter earlier, followed by Healthcare and Industrials.
- William Blair Investment Management's largest Q1 2021 buy was Dynatrace: 4,138,525 shares worth $200M.
- William Blair Investment Management added most to Charles River Laboratories in Q1 2021, an estimated $239M increase.
- William Blair Investment Management's biggest Q1 2021 reduction was TSMC, cutting an estimated $235M.
- William Blair Investment Management fully exited SolarEdge in Q1 2021, selling an estimated $265M.
- William Blair Investment Management's ten largest holdings make up 17% of its $30.9B portfolio in Q1 2021.
- William Blair Investment Management opened 33 new positions and closed 22 in Q1 2021.
- William Blair Investment Management's portfolio value rose 2.8% quarter-over-quarter to $30.9B.
Based on William Blair Investment Management's 13F filing for Q1 2021, filed 13 May 2021.