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William Blair & Company

William Blair & Company Portfolio holdings

AUM $38.4B
1-Year Est. Return 25.71%
This Fund
S&P 500
This Quarter Est. Return
+14.12%
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
$29.3B
AUM Growth
+$3.27B
Cap. Flow
-$91M
Cap. Flow %
-0.31%
Top 10 Hldgs %
24.41%
Holding
1,872
New
83
Increased
624
Reduced
816
Closed
87

Top Buys

Rank Stock Value
1
GWRE icon
Guidewire Software
GWRE
+$37.5M
2
SCHW
Charles Schwab
SCHW
+$37.1M
3
VLTO icon
Veralto
VLTO
+$17.1M
4
VRTX icon
Vertex Pharmaceuticals
VRTX
+$16.7M
5
CSGP icon
CoStar Group
CSGP
+$16.3M

Top Sells

Rank Stock Value
1
DHR icon
Danaher
DHR
+$37.6M
2
IRTC icon
iRhythm Holdings
IRTC
+$26.7M
3
DE icon
Deere & Co
DE
+$22.6M
4
TOST icon
Toast
TOST
+$21.2M
5
KO icon
Coca-Cola
KO
+$20.3M

Sector Composition

Rank Sector Weight
1 Technology 26.35%
2 Healthcare 17.08%
3 Financials 12.09%
4 Industrials 11.7%
5 Consumer Discretionary 8.53%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
NAPR icon
1476
Innovator Growth-100 Power Buffer ETF April
NAPR
$213M
$115K ﹤0.01%
2,593
– –
DXYN
1477
DELISTED
Dixie Group Inc
DXYN
$115K ﹤0.01%
154,608
– –
GSY icon
1478
Invesco Ultra Short Duration ETF
GSY
$3.88B
$114K ﹤0.01%
2,292
+215
+10% +$10.7K
PIO icon
1479
Invesco Global Water ETF
PIO
$278M
$114K ﹤0.01%
2,884
-600
-17% -$21.1K
AVXL icon
1480
Anavex Life Sciences
AVXL
$316M
$114K ﹤0.01%
12,200
– –
IYG icon
1481
iShares US Financial Services ETF
IYG
$2.22B
$111K ﹤0.01%
1,857
+6
+0.3% +$323
EWH icon
1482
iShares MSCI Hong Kong ETF
EWH
$1.21B
$111K ﹤0.01%
6,370
-294
-4% -$5.03K
QCLN icon
1483
First Trust NASDAQ Clean Edge Green Energy Index Fund
QCLN
$632M
$110K ﹤0.01%
2,620
– –
ZETA icon
1484
Zeta Global
ZETA
$7.17B
$110K ﹤0.01%
+12,500
New +$105K
CDXS icon
1485
Codexis
CDXS
$175M
$110K ﹤0.01%
36,005
-6,248
-15% -$13.4K
CWI icon
1486
State Street SPDR MSCI ACWI ex-US ETF
CWI
$2.87B
$109K ﹤0.01%
4,041
+5
+0.1% +$127
TEVA icon
1487
Teva Pharmaceuticals
TEVA
$42.8B
$109K ﹤0.01%
10,460
-440
-4% -$4.11K
XHB icon
1488
State Street SPDR S&P Homebuilders ETF
XHB
$1.58B
$109K ﹤0.01%
1,137
-9
-0.8% -$732
SPHD icon
1489
Invesco S&P 500 High Dividend Low Volatility ETF
SPHD
$3.39B
$109K ﹤0.01%
2,563
+313
+14% +$12.5K
EWW icon
1490
iShares MSCI Mexico ETF
EWW
$1.9B
$108K ﹤0.01%
1,591
+91
+6% +$5.5K
CQQQ icon
1491
Invesco China Technology ETF
CQQQ
$3.24B
$107K ﹤0.01%
2,986
+2,052
+220% +$73.9K
EAGG icon
1492
iShares ESG Aware US Aggregate Bond ETF
EAGG
$4.97B
$107K ﹤0.01%
2,243
+13
+0.6% +$595
GBF icon
1493
iShares Government/Credit Bond ETF
GBF
$128M
$104K ﹤0.01%
987
+251
+34% +$25.4K
SPTI icon
1494
State Street SPDR Portfolio Intermediate Term Treasury ETF
SPTI
$10.6B
$102K ﹤0.01%
3,585
+590
+20% +$16.4K
REZ icon
1495
iShares Residential and Multisector Real Estate ETF
REZ
$848M
$102K ﹤0.01%
1,392
– –
NWL icon
1496
Newell Brands
NWL
$2.62B
$102K ﹤0.01%
+11,703
New +$89.2K
IRD
1497
Opus Genetics
IRD
$313M
$100K ﹤0.01%
33,267
– –
AOA icon
1498
iShares Core 80/20 Aggressive Allocation ETF
AOA
$3.28B
$99.4K ﹤0.01%
1,439
+3
+0.2% +$195
BOND icon
1499
PIMCO Active Bond Exchange-Traded Fund
BOND
$8.47B
$99.3K ﹤0.01%
1,074
– –
SRLN icon
1500
State Street Blackstone Senior Loan ETF
SRLN
$5.37B
$98.8K ﹤0.01%
2,356
– –
58 59
60
61 62

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William Blair & Company's Q4 2023 Portfolio in Review

As of Q4 2023, William Blair & Company held 1,872 positions worth $29.3B, up 13% from $26.1B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q4 2023 filing shows 83 new, 624 increased, 816 reduced and 87 closed positions. Its largest new stake was Veralto: 229,539 shares worth $18.9M. The largest sale was Danaher, an estimated $37.6M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 25% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q4 2023 buy was Veralto: 229,539 shares worth $18.9M.
  • William Blair & Company added most to Guidewire Software in Q4 2023, an estimated $37.5M increase.
  • William Blair & Company's biggest Q4 2023 reduction was Danaher, cutting an estimated $37.6M.
  • William Blair & Company fully exited Seagen Inc. Common Stock in Q4 2023, selling an estimated $13.8M.
  • William Blair & Company's ten largest holdings make up 24% of its $29.3B portfolio in Q4 2023.
  • William Blair & Company opened 83 new positions and closed 87 in Q4 2023.
  • William Blair & Company's portfolio value rose 13% quarter-over-quarter to $29.3B.

Based on William Blair & Company's 13F filing for Q4 2023, filed 12 Feb 2024.