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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% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
176
STAG Industrial
STAG
$7.11B
| $37.4M | 0.12% |
1,041,344
+19,327
| +2% | +$668K |
|
177
Ecovyst
ECVT
$1.12B
| $37.1M | 0.12% |
+3,240,399
| New | +$35.3M |
|
178
HUB Group
HUBG
$2.32B
| $37.1M | 0.12% |
923,370
+17,086
| +2% | +$661K |
|
179
Sotera Health
SHC
$5.44B
| $37M | 0.12% |
1,961,646
+185,883
| +10% | +$2.95M |
|
180
Winnebago Industries
WGO
$927M
| $36.5M | 0.12% |
547,427
+10,153
| +2% | +$606K |
|
|
ESTE
181
DELISTED
Earthstone Energy Inc. Class A Common Stock
ESTE
| $36.3M | 0.12% |
2,537,674
+47,152
| +2% | +$629K |
|
182
Werner Enterprises
WERN
$2.19B
| $36.1M | 0.12% |
817,528
+15,241
| +2% | +$685K |
|
183
Armstrong World Industries
AWI
$7.87B
| $36.1M | 0.12% |
491,387
+9,242
| +2% | +$629K |
|
184
Wintrust Financial
WTFC
$10.9B
| $35.9M | 0.12% |
494,560
-79,696
| -14% | -$5.43M |
|
185
Texas Capital Bancshares
TCBI
$4.37B
| $35.9M | 0.12% |
697,072
+12,899
| +2% | +$643K |
|
|
CSGS
186
DELISTED
CSG Systems International
CSGS
| $35.8M | 0.11% |
678,073
+12,813
| +2% | +$655K |
|
187
Marten Transport
MRTN
$1.18B
| $35.7M | 0.11% |
1,661,408
+30,918
| +2% | +$650K |
|
188
Brady Corp
BRC
$4.48B
| $35.7M | 0.11% |
750,449
+13,961
| +2% | +$702K |
|
189
Signet Jewelers
SIG
$3.68B
| $35.6M | 0.11% |
546,067
+45,676
| +9% | +$3.16M |
|
|
UMH
190
UMH Properties
UMH
$1.38B
| $35.3M | 0.11% |
2,210,477
+39,895
| +2% | +$617K |
|
191
Methode Electronics
MEI
$615M
| $35.2M | 0.11% |
1,049,700
+19,981
| +2% | +$815K |
|
192
Progress Software
PRGS
$1.77B
| $35.1M | 0.11% |
604,964
-117,292
| -16% | -$6.67M |
|
193
SM Energy
SM
$7.73B
| $35.1M | 0.11% |
1,109,726
+90,800
| +9% | +$2.57M |
|
194
Minerals Technologies
MTX
$2.33B
| $35.1M | 0.11% |
607,959
+11,330
| +2% | +$660K |
|
195
East-West Bancorp
EWBC
$18.4B
| $35M | 0.11% |
662,311
+149,228
| +29% | +$7.57M |
|
196
Ulta Beauty
ULTA
$23.3B
| $34.9M | 0.11% |
74,155
-19,322
| -21% | -$9.46M |
|
197
Trane Technologies
TT
$106B
| $34.8M | 0.11% |
+181,918
| New | +$32.3M |
|
198
Onto Innovation
ONTO
$19.5B
| $34.8M | 0.11% |
+298,584
| New | +$28.5M |
|
199
Greif
GEF
$4.98B
| $34.7M | 0.11% |
503,626
+9,326
| +2% | +$599K |
|
200
Myers Industries
MYE
$1.21B
| $34.6M | 0.11% |
1,779,537
+32,708
| +2% | +$643K |
|
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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.