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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
+9.84%
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
$31.2B
AUM Growth
+$2.49B
(+8.7%)
Cap. Flow
+$357M
Cap. Flow
% of AUM
1.14%
Top 10 Holdings %
Top 10 Hldgs %
20.4%
Holding
426
New
33
Increased
232
Reduced
127
Closed
31
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Bio-Techne
TECH
|
+$186M |
| 2 |
Tyler Technologies
TYL
|
+$171M |
| 3 |
NVIDIA
NVDA
|
+$167M |
| 4 |
ServiceNow
NOW
|
+$128M |
| 5 |
Bright Horizons
BFAM
|
+$109M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
PagerDuty
PD
|
+$171M |
| 2 |
Builders FirstSource
BLDR
|
+$157M |
| 3 |
PayPal
PYPL
|
+$135M |
| 4 |
NATI
National Instruments Corp
NATI
|
+$122M |
| 5 |
Lincoln Electric
LECO
|
+$116M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 25.63% |
| 2 | Industrials | 16.13% |
| 3 | Healthcare | 15.71% |
| 4 | Consumer Discretionary | 14.7% |
| 5 | Financials | 8.24% |
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William Blair Investment Management's Q2 2023 Portfolio in Review
As of Q2 2023, William Blair Investment Management held 426 positions worth $31.2B, up 8.7% from $28.7B the previous quarter. Its ten largest holdings account for 20% of the portfolio.
William Blair Investment Management's Q2 2023 filing shows 33 new, 232 increased, 127 reduced and 31 closed positions. Its largest new stake was Bio-Techne: 2,314,458 shares worth $189M. The largest sale was PagerDuty, an estimated $171M.
By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 25% a quarter earlier, followed by Industrials and Healthcare.
- William Blair Investment Management's largest Q2 2023 buy was Bio-Techne: 2,314,458 shares worth $189M.
- William Blair Investment Management added most to NVIDIA in Q2 2023, an estimated $167M increase.
- William Blair Investment Management's biggest Q2 2023 reduction was Builders FirstSource, cutting an estimated $157M.
- William Blair Investment Management fully exited PagerDuty in Q2 2023, selling an estimated $171M.
- William Blair Investment Management's ten largest holdings make up 20% of its $31.2B portfolio in Q2 2023.
- William Blair Investment Management opened 33 new positions and closed 31 in Q2 2023.
- William Blair Investment Management's portfolio value rose 8.7% quarter-over-quarter to $31.2B.
Based on William Blair Investment Management's 13F filing for Q2 2023, filed 11 Aug 2023.