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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 | |
|---|---|---|---|---|---|---|
776
General Motors
GM
$75.9B
| $1.51M | ﹤0.01% |
28,322
-488
| -2% | -$25.6K |
|
777
Cardinal Health
CAH
$53.6B
| $1.51M | ﹤0.01% |
12,754
+1,618
| +15% | +$189K |
|
778
Tarsus Pharmaceuticals
TARS
$3.01B
| $1.51M | ﹤0.01% |
+27,230
| New | +$1.24M |
|
779
Clorox
CLX
$13B
| $1.51M | ﹤0.01% |
9,271
+107
| +1% | +$17.5K |
|
|
HCP
780
DELISTED
HashiCorp, Inc. Class A Common Stock
HCP
| $1.49M | ﹤0.01% |
43,683
-176
| -0.4% | -$5.96K |
|
781
State Street SPDR Portfolio Emerging Markets ETF
SPEM
$17.7B
| $1.48M | ﹤0.01% |
38,543
+10,363
| +37% | +$417K |
|
782
Hewlett Packard
HPE
$79.4B
| $1.48M | ﹤0.01% |
69,097
+11,593
| +20% | +$245K |
|
783
iShares MSCI EAFE Small-Cap ETF
SCZ
$13.6B
| $1.47M | ﹤0.01% |
24,228
+300
| +1% | +$19.1K |
|
784
American Water Works
AWK
$27.1B
| $1.47M | ﹤0.01% |
11,818
+482
| +4% | +$65.1K |
|
785
Graco
GGG
$13.4B
| $1.47M | ﹤0.01% |
17,408
-80
| -0.5% | -$6.93K |
|
786
Truist Financial
TFC
$64.7B
| $1.47M | ﹤0.01% |
33,777
-1,276
| -4% | -$56.9K |
|
787
Brookfield Asset Management
BAM
$89.3B
| $1.47M | ﹤0.01% |
27,037
+7,716
| +40% | +$417K |
|
788
State Street SPDR Portfolio Short Term Corporate Bond ETF
SPSB
$10.8B
| $1.46M | ﹤0.01% |
48,969
+5,784
| +13% | +$173K |
|
789
Rocket Pharmaceuticals
RCKT
$368M
| $1.46M | ﹤0.01% |
116,038
-18,931
| -14% | -$285K |
|
790
TransUnion
TRU
$15.6B
| $1.46M | ﹤0.01% |
15,707
+2,746
| +21% | +$278K |
|
791
Zeta Global
ZETA
$7.37B
| $1.45M | ﹤0.01% |
80,761
+51,126
| +173% | +$1.29M |
|
792
iShares 7-10 Year Treasury Bond ETF
IEF
$47.3B
| $1.45M | ﹤0.01% |
15,714
+3,296
| +27% | +$311K |
|
793
NeoGenomics
NEO
$2.11B
| $1.45M | ﹤0.01% |
87,950
-22,172
| -20% | -$344K |
|
794
Symbotic
SYM
$5.49B
| $1.45M | ﹤0.01% |
61,091
-1,375
| -2% | -$39.1K |
|
795
ICF International
ICFI
$1.59B
| $1.45M | ﹤0.01% |
12,123
-46,094
| -79% | -$6.9M |
|
|
PRMB
796
Primo Brands
PRMB
$9.02B
| $1.44M | ﹤0.01% |
+46,647
| New | +$1.38M |
|
797
Neurogene
NGNE
$719M
| $1.43M | ﹤0.01% |
+62,640
| New | +$2.33M |
|
798
Global X MLP ETF
MLPA
$2.28B
| $1.43M | ﹤0.01% |
28,873
-184
| -0.6% | -$9.03K |
|
799
Sprouts Farmers Market
SFM
$7.75B
| $1.43M | ﹤0.01% |
11,216
-42
| -0.4% | -$5.58K |
|
800
Doximity
DOCS
$4.69B
| $1.42M | ﹤0.01% |
26,683
-23,951
| -47% | -$1.17M |
|
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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.