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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
+9.7%
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
$27.3B
AUM Growth
+$2.26B
(+9%)
Cap. Flow
+$202M
Cap. Flow
% of AUM
0.74%
Top 10 Holdings %
Top 10 Hldgs %
24.36%
Holding
1,897
New
97
Increased
682
Reduced
737
Closed
88
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Costco
COST
|
+$28.3M |
| 2 |
Allstate
ALL
|
+$25.8M |
| 3 |
Intuitive Surgical
ISRG
|
+$19.6M |
| 4 |
Neogen
NEOG
|
+$17.4M |
| 5 |
DoubleVerify
DV
|
+$17.3M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Neurocrine Biosciences
NBIX
|
+$29.1M |
| 2 |
Planet Fitness
PLNT
|
+$20.4M |
| 3 |
Airbnb
ABNB
|
+$17.1M |
| 4 |
IBM
IBM
|
+$14.8M |
| 5 |
Xometry
XMTR
|
+$10.8M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 25.59% |
| 2 | Healthcare | 18.44% |
| 3 | Industrials | 11.64% |
| 4 | Financials | 11.51% |
| 5 | Consumer Discretionary | 8.51% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
401
TSMC
TSM
$2.23T
| $6.16M | 0.02% |
61,051
+8,666
| +17% | +$807K |
|
402
QuidelOrtho
QDEL
$1.03B
| $6.16M | 0.02% |
74,319
-719
| -1% | -$62.9K |
|
403
Kadant
KAI
$3.91B
| $6.1M | 0.02% |
27,473
+892
| +3% | +$179K |
|
404
Xylem
XYL
$28.1B
| $6.1M | 0.02% |
54,129
+1,667
| +3% | +$176K |
|
405
Illumina
ILMN
$29.1B
| $6.08M | 0.02% |
33,326
-3,097
| -9% | -$627K |
|
406
Freeport-McMoran
FCX
$93.6B
| $6.05M | 0.02% |
151,329
-2,528
| -2% | -$96.3K |
|
407
Invesco Solar ETF
TAN
$1.38B
| $6.05M | 0.02% |
84,748
-21,299
| -20% | -$1.54M |
|
408
Marathon Petroleum
MPC
$100B
| $5.97M | 0.02% |
51,163
-1,513
| -3% | -$176K |
|
409
Innovator International Developed Power Buffer ETF January
IJAN
$264M
| $5.96M | 0.02% |
204,436
-33,165
| -14% | -$956K |
|
410
iShares Biotechnology ETF
IBB
$9.77B
| $5.84M | 0.02% |
45,965
+680
| +2% | +$88.3K |
|
411
DuPont de Nemours
DD
$19.5B
| $5.82M | 0.02% |
64,943
-3,641
| -5% | -$313K |
|
412
MetLife
MET
$61.9B
| $5.73M | 0.02% |
101,367
-8,842
| -8% | -$491K |
|
413
Ford
F
$55.4B
| $5.71M | 0.02% |
377,206
-7,418
| -2% | -$93.8K |
|
414
Floor & Decor
FND
$6.27B
| $5.69M | 0.02% |
54,729
-1,375
| -2% | -$131K |
|
415
EnerSys
ENS
$7.2B
| $5.65M | 0.02% |
52,079
-998
| -2% | -$91.1K |
|
416
iShares US Aerospace & Defense ETF
ITA
$14.9B
| $5.6M | 0.02% |
47,981
+325
| +0.7% | +$37K |
|
417
Global X Robotics & Artificial Intelligence ETF
BOTZ
$3.59B
| $5.59M | 0.02% |
194,358
+25,011
| +15% | +$664K |
|
418
Moderna
MRNA
$25.4B
| $5.58M | 0.02% |
45,942
+29,043
| +172% | +$3.87M |
|
419
VanEck Semiconductor ETF
SMH
$72.5B
| $5.56M | 0.02% |
36,488
+914
| +3% | +$124K |
|
420
Nucor
NUE
$61.8B
| $5.52M | 0.02% |
33,654
-3,829
| -10% | -$559K |
|
421
Akamai
AKAM
$18B
| $5.49M | 0.02% |
61,081
-1,599
| -3% | -$137K |
|
422
Box
BOX
$4.66B
| $5.47M | 0.02% |
186,199
-2,123
| -1% | -$58.8K |
|
423
Cooper Companies
COO
$14.9B
| $5.46M | 0.02% |
57,012
-42,244
| -43% | -$3.96M |
|
424
PPG Industries
PPG
$25.5B
| $5.45M | 0.02% |
36,751
+4,775
| +15% | +$666K |
|
425
L3Harris
LHX
$53.7B
| $5.44M | 0.02% |
27,781
+553
| +2% | +$106K |
|
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William Blair & Company's Q2 2023 Portfolio in Review
As of Q2 2023, William Blair & Company held 1,897 positions worth $27.3B, up 9% from $25B the previous quarter. Its ten largest holdings account for 24% of the portfolio.
William Blair & Company's Q2 2023 filing shows 97 new, 682 increased, 737 reduced and 88 closed positions. Its largest new stake was Innovator US Equity Power Buffer ETF April: 112,249 shares worth $3.47M. The largest sale was Neurocrine Biosciences, an estimated $29.1M.
By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 25% a quarter earlier, followed by Healthcare and Industrials.
- William Blair & Company's largest Q2 2023 buy was Innovator US Equity Power Buffer ETF April: 112,249 shares worth $3.47M.
- William Blair & Company added most to Costco in Q2 2023, an estimated $28.3M increase.
- William Blair & Company's biggest Q2 2023 reduction was Neurocrine Biosciences, cutting an estimated $29.1M.
- William Blair & Company fully exited ABB Ltd in Q2 2023, selling an estimated $7.21M.
- William Blair & Company's ten largest holdings make up 24% of its $27.3B portfolio in Q2 2023.
- William Blair & Company opened 97 new positions and closed 88 in Q2 2023.
- William Blair & Company's portfolio value rose 9% quarter-over-quarter to $27.3B.
Based on William Blair & Company's 13F filing for Q2 2023, filed 11 Aug 2023.