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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
+5.41%
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
$40.9B
AUM Growth
+$405M
(+1%)
Cap. Flow
-$285M
Cap. Flow
% of AUM
-0.7%
Top 10 Holdings %
Top 10 Hldgs %
27.41%
Holding
463
New
51
Increased
220
Reduced
159
Closed
30
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
PRMB
Primo Brands
PRMB
|
+$331M |
| 2 |
Yum China
YUMC
|
+$240M |
| 3 |
TLN
Talen Energy Corp
TLN
|
+$232M |
| 4 |
Mueller Industries
MLI
|
+$206M |
| 5 |
Brookfield Asset Management
BAM
|
+$203M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Intuitive Surgical
ISRG
|
+$315M |
| 2 |
Icon
ICLR
|
+$294M |
| 3 |
Zoetis
ZTS
|
+$230M |
| 4 |
BWX Technologies
BWXT
|
+$222M |
| 5 |
PRMW
Primo Water Corporation
PRMW
|
+$197M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 34.12% |
| 2 | Consumer Discretionary | 14.8% |
| 3 | Financials | 12.22% |
| 4 | Healthcare | 11.93% |
| 5 | Industrials | 10.15% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
426
Hartford Financial Services
HIG
$37.7B
| $218K | ﹤0.01% |
1,991
+5
| +0.3% | +$580 |
|
427
Johnson Controls International
JCI
$92.6B
| $214K | ﹤0.01% |
2,717
+4
| +0.1% | +$321 |
|
428
Cognizant
CTSH
$26.2B
| $213K | ﹤0.01% |
2,774
+7
| +0.3% | +$548 |
|
429
Advance Auto Parts
AAP
$3.23B
| $212K | ﹤0.01% |
+4,479
| New | +$182K |
|
430
VICI Properties
VICI
$28.7B
| $211K | ﹤0.01% |
7,224
+712
| +11% | +$22.5K |
|
431
ON Semiconductor
ON
$32.4B
| $205K | ﹤0.01% |
+3,253
| New | +$224K |
|
432
Huntington Bancshares
HBAN
$36.1B
| $194K | ﹤0.01% |
11,913
+31
| +0.3% | +$510 |
|
433
Certara
CERT
$1.22B
| $147K | ﹤0.01% |
13,827
-1,586,410
| -99% | -$17.2M |
|
434
Alarm.com
ALRM
$2.72B
| – | – |
-564,431
| Closed | -$30.9M |
|
435
Arhaus
ARHS
$1.37B
| – | – |
-1,255,050
| Closed | -$15.4M |
|
436
AudioCodes
AUDC
$257M
| – | – |
-241,392
| Closed | -$2.35M |
|
437
Baxter International
BAX
$13.9B
| – | – |
-26,126
| Closed | -$992K |
|
438
Boot Barn
BOOT
$4.87B
| – | – |
-132,153
| Closed | -$22.1M |
|
439
Colliers International
CIGI
$5.15B
| – | – |
-133,309
| Closed | -$20.2M |
|
440
Centene
CNC
$33.1B
| – | – |
-2,840
| Closed | -$214K |
|
441
CoStar Group
CSGP
$12.4B
| – | – |
-1,095,929
| Closed | -$82.7M |
|
442
Euronet Worldwide
EEFT
$2.66B
| – | – |
-282,695
| Closed | -$28.1M |
|
443
National Vision
EYE
$1.56B
| – | – |
-17,521
| Closed | -$191K |
|
444
TechnipFMC
FTI
$29.5B
| – | – |
-1,661,112
| Closed | -$43.6M |
|
445
GDS Holdings
GDS
$6.56B
| – | – |
-633,833
| Closed | -$12.9M |
|
446
Globant
GLOB
$1.67B
| – | – |
-189,934
| Closed | -$37.6M |
|
447
IQVIA
IQV
$39.8B
| – | – |
-3,341
| Closed | -$792K |
|
448
Ligand Pharmaceuticals
LGND
$5.85B
| – | – |
-205,689
| Closed | -$20.6M |
|
449
Merck
MRK
$328B
| – | – |
-272,247
| Closed | -$30.9M |
|
450
Noble Corp
NE
$7.04B
| – | – |
-1,811,049
| Closed | -$65.5M |
|
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GAM
VIA
William Blair Investment Management's Q4 2024 Portfolio in Review
As of Q4 2024, William Blair Investment Management held 463 positions worth $40.9B, up 1% from $40.5B the previous quarter. Its ten largest holdings account for 27% of the portfolio.
William Blair Investment Management's Q4 2024 filing shows 51 new, 220 increased, 159 reduced and 30 closed positions. Its largest new stake was Primo Brands: 11,161,870 shares worth $343M. The largest sale was Intuitive Surgical, an estimated $315M.
By sector, the portfolio is most concentrated in Technology at 34% of assets, down from 34% a quarter earlier, followed by Consumer Discretionary and Financials.
- William Blair Investment Management's largest Q4 2024 buy was Primo Brands: 11,161,870 shares worth $343M.
- William Blair Investment Management added most to West Pharmaceutical in Q4 2024, an estimated $177M increase.
- William Blair Investment Management's biggest Q4 2024 reduction was Intuitive Surgical, cutting an estimated $315M.
- William Blair Investment Management fully exited Primo Water Corporation in Q4 2024, selling an estimated $197M.
- William Blair Investment Management's ten largest holdings make up 27% of its $40.9B portfolio in Q4 2024.
- William Blair Investment Management opened 51 new positions and closed 30 in Q4 2024.
- William Blair Investment Management's portfolio value rose 1% quarter-over-quarter to $40.9B.
Based on William Blair Investment Management's 13F filing for Q4 2024, filed 10 Feb 2025.