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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 | |
|---|---|---|---|---|---|---|
901
Vanguard S&P 500 Growth ETF
VOOG
$27.4B
| $1.01M | ﹤0.01% |
16,626
-390
| -2% | -$23.4K |
|
902
Civista Bancshares
CIVB
$595M
| $1.01M | ﹤0.01% |
48,200
| – | – |
|
|
JBTM
903
JBT Marel
JBTM
$6.1B
| $1.01M | ﹤0.01% |
7,950
| – | – |
|
904
Invesco S&P SmallCap Energy ETF
PSCE
$104M
| $1M | ﹤0.01% |
20,689
+762
| +4% | +$38.3K |
|
905
Labcorp
LH
$26.2B
| $1M | ﹤0.01% |
4,363
-251
| -5% | -$57.6K |
|
|
GRMN
906
Garmin
GRMN
$60.2B
| $994K | ﹤0.01% |
4,821
+279
| +6% | +$54.7K |
|
907
Ligand Pharmaceuticals
LGND
$5.76B
| $991K | ﹤0.01% |
9,248
+33
| +0.4% | +$3.73K |
|
908
iShares MSCI World ETF
URTH
$8.4B
| $983K | ﹤0.01% |
6,321
-195
| -3% | -$30.8K |
|
909
Parsons
PSN
$5.08B
| $980K | ﹤0.01% |
10,626
-14,975
| -58% | -$1.53M |
|
910
iShares China Large-Cap ETF
FXI
$4.16B
| $980K | ﹤0.01% |
32,200
-2,782
| -8% | -$87.7K |
|
911
Genuine Parts
GPC
$18.7B
| $975K | ﹤0.01% |
8,355
-2,115
| -20% | -$264K |
|
912
Americold
COLD
$4.32B
| $972K | ﹤0.01% |
45,443
-9,872
| -18% | -$239K |
|
913
iShares Preferred and Income Securities ETF
PFF
$13.3B
| $969K | ﹤0.01% |
30,830
-7,826
| -20% | -$256K |
|
914
Equity Residential
EQR
$24.7B
| $965K | ﹤0.01% |
13,450
-3,317
| -20% | -$244K |
|
915
iShares 0-1 Year Treasury Bond ETF
SHV
$20.6B
| $964K | ﹤0.01% |
8,754
-366
| -4% | -$40.4K |
|
916
Fidelity MSCI Information Technology Index ETF
FTEC
$21.6B
| $963K | ﹤0.01% |
5,211
+1,027
| +25% | +$188K |
|
|
ANSS
917
DELISTED
Ansys
ANSS
| $962K | ﹤0.01% |
2,853
+355
| +14% | +$119K |
|
918
DigitalOcean
DOCN
$15.6B
| $960K | ﹤0.01% |
28,168
-62
| -0.2% | -$2.43K |
|
919
Lattice Semiconductor
LSCC
$18.2B
| $948K | ﹤0.01% |
16,732
-19,882
| -54% | -$1.09M |
|
920
Core Scientific Inc Tranche 1 Warrants
CORZW
$1.29B
| $941K | ﹤0.01% |
114,509
-7,597
| -6% | -$68.7K |
|
921
Integer Holdings
ITGR
$4.25B
| $932K | ﹤0.01% |
7,030
+30
| +0.4% | +$4K |
|
922
iShares Expanded Tech-Software Sector ETF
IGV
$15.2B
| $928K | ﹤0.01% |
9,264
+474
| +5% | +$47K |
|
923
J&J Snack Foods
JJSF
$1.7B
| $918K | ﹤0.01% |
5,916
-1,152
| -16% | -$193K |
|
924
JB Hunt Transport Services
JBHT
$26.5B
| $913K | ﹤0.01% |
5,351
-30,672
| -85% | -$5.48M |
|
925
Public Storage
PSA
$61.4B
| $909K | ﹤0.01% |
3,036
+419
| +16% | +$139K |
|
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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.