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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 | |
|---|---|---|---|---|---|---|
876
Realty Income
O
$59.6B
| $1.08M | ﹤0.01% |
20,268
+1,636
| +9% | +$95.3K |
|
877
Hasbro
HAS
$13.6B
| $1.08M | ﹤0.01% |
19,335
+192
| +1% | +$12.5K |
|
878
Option Care Health
OPCH
$3.61B
| $1.08M | ﹤0.01% |
46,583
-229,248
| -83% | -$5.79M |
|
879
Cleveland-Cliffs
CLF
$6.93B
| $1.08M | ﹤0.01% |
114,821
-3,856
| -3% | -$46.5K |
|
880
Moderna
MRNA
$25.4B
| $1.08M | ﹤0.01% |
25,940
-390
| -1% | -$18.6K |
|
881
OGE Energy
OGE
$9.71B
| $1.08M | ﹤0.01% |
26,128
+76
| +0.3% | +$3.16K |
|
882
Vanguard International High Dividend Yield ETF
VYMI
$21.3B
| $1.08M | ﹤0.01% |
15,839
-7,228
| -31% | -$511K |
|
883
iShares MSCI ACWI ETF
ACWI
$33.6B
| $1.07M | ﹤0.01% |
9,138
-691
| -7% | -$82.9K |
|
884
VanEck High Yield Muni ETF
HYD
$4.42B
| $1.07M | ﹤0.01% |
20,599
+438
| +2% | +$22.9K |
|
885
HubSpot
HUBS
$12B
| $1.06M | ﹤0.01% |
1,526
-334
| -18% | -$215K |
|
886
Uranium Energy
UEC
$5.54B
| $1.06M | ﹤0.01% |
158,500
-500
| -0.3% | -$3.83K |
|
887
Lennox International
LII
$14.5B
| $1.05M | ﹤0.01% |
1,722
-453
| -21% | -$283K |
|
888
Transocean
RIG
$6.39B
| $1.05M | ﹤0.01% |
279,730
+534
| +0.2% | +$2.22K |
|
889
Humana
HUM
$46.2B
| $1.05M | ﹤0.01% |
4,133
-1,059
| -20% | -$284K |
|
890
First US Bancshares
FUSB
$90.7M
| $1.04M | ﹤0.01% |
83,000
| – | – |
|
891
WisdomTree US SmallCap Earnings Fund
EES
$736M
| $1.04M | ﹤0.01% |
19,317
+14,331
| +287% | +$786K |
|
892
BigBear.ai
BBAI
$1.6B
| $1.04M | ﹤0.01% |
+233,380
| New | +$528K |
|
893
Cameco
CCJ
$42.6B
| $1.04M | ﹤0.01% |
20,181
-13,524
| -40% | -$737K |
|
894
Occidental Petroleum
OXY
$57.7B
| $1.04M | ﹤0.01% |
20,962
-1,581
| -7% | -$79.9K |
|
895
Mettler-Toledo International
MTD
$28.7B
| $1.03M | ﹤0.01% |
844
-247
| -23% | -$322K |
|
896
Conagra Brands
CAG
$7.39B
| $1.03M | ﹤0.01% |
37,123
-185,777
| -83% | -$5.27M |
|
897
Vanguard Russell 1000 Value ETF
VONV
$22B
| $1.03M | ﹤0.01% |
12,664
+10,871
| +606% | +$916K |
|
898
iShares ESG Aware 1-5 Year USD Corporate Bond ETF
SUSB
$1.3B
| $1.03M | ﹤0.01% |
41,657
+379
| +0.9% | +$9.41K |
|
899
Rio Tinto
RIO
$160B
| $1.03M | ﹤0.01% |
17,493
+5,182
| +42% | +$331K |
|
900
WisdomTree US LargeCap Dividend Fund
DLN
$6.45B
| $1.02M | ﹤0.01% |
13,156
| – | – |
|
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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.