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William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $33.3B
1-Year Est. Return 44.76%
This Fund
S&P 500
This Quarter Est. Return
-2.74%
1 Year Est. Return
+44.76%
3 Year Est. Return
+140.8%
5 Year Est. Return
+166.51%
10 Year Est. Return
+978.6%
AUM
$30.1B
AUM Growth
-$1.09B
Cap. Flow
+$378M
Cap. Flow %
1.26%
Top 10 Hldgs %
21.93%
Holding
430
New
35
Increased
162
Reduced
197
Closed
32

Top Buys

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$192M
2
SMCI icon
Super Micro Computer
SMCI
+$143M
3
LSCC icon
Lattice Semiconductor
LSCC
+$129M
4
CG icon
Carlyle Group
CG
+$114M
5
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$111M

Top Sells

Rank Stock Value
1
DEN
Denbury Inc.
DEN
+$179M
2
PLNT icon
Planet Fitness
PLNT
+$170M
3
MLM icon
Martin Marietta Materials
MLM
+$141M
4
BLDR icon
Builders FirstSource
BLDR
+$135M
5
CCJ icon
Cameco
CCJ
+$123M

Sector Composition

Rank Sector Weight
1 Technology 25.88%
2 Industrials 15.76%
3 Healthcare 15.67%
4 Consumer Discretionary 13.72%
5 Financials 8.88%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
IWO icon
326
iShares Russell 2000 Growth ETF
IWO
$15B
$6.5M 0.02%
28,991
+2,711
+10% +$649K
VTMX icon
327
Vesta Real Estate
VTMX
$3.21B
$6.5M 0.02%
197,720
-2,280
-1% -$80.8K
NVO
328
Novo Nordisk
NVO
$203B
$5.62M 0.02%
61,795
-113
-0.2% -$9.95K
AON icon
329
Aon
AON
$74.7B
$5.58M 0.02%
17,201
-1,168
-6% -$386K
AZN icon
330
AstraZeneca
AZN
$246B
$5.1M 0.02%
37,672
+2,388
+7% +$326K
WMG icon
331
Warner Music
WMG
$13B
$5.02M 0.02%
159,925
-2,168
-1% -$67.9K
UEIC icon
332
Universal Electronics
UEIC
$75.8M
$4.91M 0.02%
542,976
-42,990
-7% -$424K
PLXS icon
333
Plexus
PLXS
$7.25B
$4.82M 0.02%
51,860
-193,580
-79% -$18.8M
ASML icon
334
ASML
ASML
$695B
$4.67M 0.02%
7,941
+1,519
+24% +$1.01M
SHOP icon
335
Shopify
SHOP
$194B
$4.24M 0.01%
77,707
-32,798
-30% -$1.99M
RTO icon
336
Rentokil
RTO
$12.3B
$3.53M 0.01%
95,223
-24,653
-21% -$942K
MDB icon
337
MongoDB
MDB
$35.2B
$3.27M 0.01%
9,447
-193,207
-95% -$73.3M
CNYA icon
338
iShares MSCI China A ETF
CNYA
$208M
$3.06M 0.01%
108,325
-20,979
-16% -$612K
EL icon
339
Estee Lauder
EL
$31.7B
$3.03M 0.01%
20,972
-716,360
-97% -$119M
DEO icon
340
Diageo
DEO
$52.2B
$2.84M 0.01%
19,023
-33
-0.2% -$5.53K
EQNR icon
341
Equinor
EQNR
$97.3B
$2.8M 0.01%
85,457
+160
+0.2% +$4.96K
WMT icon
342
Walmart Inc
WMT
$923B
$2.37M 0.01%
44,547
+18,666
+72% +$993K
TNC icon
343
Tennant Co
TNC
$1.18B
$2.37M 0.01%
31,957
-134,044
-81% -$10.7M
TJX icon
344
TJX Companies
TJX
$169B
$2.26M 0.01%
25,416
-1,819
-7% -$160K
BABA icon
345
Alibaba
BABA
$300B
$2.25M 0.01%
25,971
+47
+0.2% +$4.3K
NEE icon
346
NextEra Energy
NEE
$179B
$2M 0.01%
34,997
-22,850
-40% -$1.58M
STEL
347
DELISTED
Stellar Bancorp
STEL
$1.73M 0.01%
+81,039
New +$1.85M
NVR icon
348
NVR
NVR
$16.8B
$1.51M 0.01%
254
– –
DAR icon
349
Darling Ingredients
DAR
$10B
$1.34M ﹤0.01%
25,729
-40
-0.2% -$2.5K
YUMC icon
350
Yum China
YUMC
$16.4B
$1.18M ﹤0.01%
+21,000
New +$1.17M
12 13
14
15 16

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William Blair Investment Management's Q3 2023 Portfolio in Review

As of Q3 2023, William Blair Investment Management held 430 positions worth $30.1B, down 3.5% from $31.2B the previous quarter. Its ten largest holdings account for 22% of the portfolio.

William Blair Investment Management's Q3 2023 filing shows 35 new, 162 increased, 197 reduced and 32 closed positions. Its largest new stake was Super Micro Computer: 5,132,780 shares worth $141M. The largest sale was Denbury Inc., an estimated $179M.

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

  • William Blair Investment Management's largest Q3 2023 buy was Super Micro Computer: 5,132,780 shares worth $141M.
  • William Blair Investment Management added most to NVIDIA in Q3 2023, an estimated $192M increase.
  • William Blair Investment Management's biggest Q3 2023 reduction was Martin Marietta Materials, cutting an estimated $141M.
  • William Blair Investment Management fully exited Denbury Inc. in Q3 2023, selling an estimated $179M.
  • William Blair Investment Management's ten largest holdings make up 22% of its $30.1B portfolio in Q3 2023.
  • William Blair Investment Management opened 35 new positions and closed 32 in Q3 2023.
  • William Blair Investment Management's portfolio value fell 3.5% quarter-over-quarter to $30.1B.

Based on William Blair Investment Management's 13F filing for Q3 2023, filed 9 Nov 2023.