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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
+3.1%
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
$34.4B
AUM Growth
+$328M
(+0.96%)
Cap. Flow
-$18.6M
Cap. Flow
% of AUM
-0.05%
Top 10 Holdings %
Top 10 Hldgs %
25.12%
Holding
1,903
New
83
Increased
650
Reduced
792
Closed
87
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
XYZ
Block Inc
XYZ
|
+$80.6M |
| 2 |
Blackrock
BLK
|
+$53.4M |
| 3 |
CWAN
Clearwater Analytics
CWAN
|
+$48.5M |
| 4 |
NVIDIA
NVDA
|
+$47.9M |
| 5 |
BWX Technologies
BWXT
|
+$47M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
DexCom
DXCM
|
+$37.7M |
| 2 |
CoStar Group
CSGP
|
+$34.5M |
| 3 |
Vertex Pharmaceuticals
VRTX
|
+$30M |
| 4 |
Booz Allen Hamilton
BAH
|
+$29.1M |
| 5 |
Idexx Laboratories
IDXX
|
+$26.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 28.35% |
| 2 | Financials | 13.43% |
| 3 | Healthcare | 12.44% |
| 4 | Industrials | 11.81% |
| 5 | Consumer Discretionary | 8.44% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
651
Prologis
PLD
$134B
| $2.68M | 0.01% |
25,348
-6,419
| -20% | -$738K |
|
652
Royal Bank of Canada
RY
$298B
| $2.67M | 0.01% |
22,150
+136
| +0.6% | +$16.8K |
|
653
Brown & Brown
BRO
$23.6B
| $2.63M | 0.01% |
25,820
+18,933
| +275% | +$2.02M |
|
654
Murphy USA
MUSA
$10.2B
| $2.63M | 0.01% |
5,240
+3,738
| +249% | +$1.91M |
|
655
HCA Healthcare
HCA
$88.8B
| $2.63M | 0.01% |
8,750
-820
| -9% | -$287K |
|
656
EPAM Systems
EPAM
$5.16B
| $2.61M | 0.01% |
11,180
-1,272
| -10% | -$283K |
|
657
Snap-on
SNA
$20.9B
| $2.61M | 0.01% |
7,693
+24
| +0.3% | +$8.1K |
|
658
Xcel Energy
XEL
$49.4B
| $2.61M | 0.01% |
38,625
+1,011
| +3% | +$67.8K |
|
659
State Street SPDR S&P Retail ETF
XRT
$642M
| $2.61M | 0.01% |
+32,743
| New | +$2.59M |
|
660
Elevance Health
ELV
$86.7B
| $2.6M | 0.01% |
7,056
-8,580
| -55% | -$3.59M |
|
|
FITB
661
Fifth Third Bancorp
FITB
$52.7B
| $2.59M | 0.01% |
61,351
+14,031
| +30% | +$630K |
|
662
Landstar System
LSTR
$6.41B
| $2.58M | 0.01% |
15,034
+6,012
| +67% | +$1.1M |
|
663
CF Industries
CF
$17.6B
| $2.58M | 0.01% |
30,253
-9,306
| -24% | -$805K |
|
664
State Street SPDR Bloomberg Convertible Securities ETF
CWB
$5.74B
| $2.56M | 0.01% |
32,877
+285
| +0.9% | +$22.5K |
|
665
iShares MSCI KLD 400 Social ETF
DSI
$5.57B
| $2.55M | 0.01% |
23,122
-144
| -0.6% | -$16.1K |
|
666
Consolidated Edison
ED
$40B
| $2.54M | 0.01% |
28,519
-1,149
| -4% | -$113K |
|
667
BRC Inc
BRCC
$212M
| $2.52M | 0.01% |
794,460
-125,250
| -14% | -$392K |
|
668
Freeport-McMoran
FCX
$94B
| $2.5M | 0.01% |
65,704
-9,557
| -13% | -$428K |
|
669
Main Street Capital
MAIN
$5.53B
| $2.41M | 0.01% |
41,214
+872
| +2% | +$46.5K |
|
670
Sweetgreen
SG
$704M
| $2.37M | 0.01% |
73,788
+8,278
| +13% | +$308K |
|
671
Wintrust Financial
WTFC
$11B
| $2.36M | 0.01% |
18,946
-578
| -3% | -$71.4K |
|
672
Vanguard Morningstar Mega Cap Value ETF
MGV
$13.7B
| $2.36M | 0.01% |
18,886
+2,848
| +18% | +$368K |
|
673
PACCAR
PCAR
$68.7B
| $2.34M | 0.01% |
22,462
-2,528
| -10% | -$277K |
|
674
Nutanix
NTNX
$17.7B
| $2.33M | 0.01% |
38,053
+35
| +0.1% | +$2.29K |
|
675
State Street SPDR Nuveen ICE High Yield Municipal Bond ETF
HYMB
$3.37B
| $2.32M | 0.01% |
90,885
+5,130
| +6% | +$133K |
|
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William Blair & Company's Q4 2024 Portfolio in Review
As of Q4 2024, William Blair & Company held 1,903 positions worth $34.4B, up 0.96% from $34.1B the previous quarter. Its ten largest holdings account for 25% of the portfolio.
William Blair & Company's Q4 2024 filing shows 83 new, 650 increased, 792 reduced and 87 closed positions. Its largest new stake was Blackrock: 52,623 shares worth $53.9M. The largest sale was DexCom, an estimated $37.7M.
By sector, the portfolio is most concentrated in Technology at 28% of assets, up from 27% a quarter earlier, followed by Financials and Healthcare.
- William Blair & Company's largest Q4 2024 buy was Blackrock: 52,623 shares worth $53.9M.
- William Blair & Company added most to Block Inc in Q4 2024, an estimated $80.6M increase.
- William Blair & Company's biggest Q4 2024 reduction was DexCom, cutting an estimated $37.7M.
- William Blair & Company fully exited Rush Street Interactive in Q4 2024, selling an estimated $5.79M.
- William Blair & Company's ten largest holdings make up 25% of its $34.4B portfolio in Q4 2024.
- William Blair & Company opened 83 new positions and closed 87 in Q4 2024.
- William Blair & Company's portfolio value rose 0.96% quarter-over-quarter to $34.4B.
Based on William Blair & Company's 13F filing for Q4 2024, filed 12 Feb 2025.