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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
WHR icon
376
Whirlpool
WHR
$2.79B
$375K ﹤0.01%
2,807
+1,019
+57% +$144K
HUN icon
377
Huntsman Corp
HUN
$1.78B
$365K ﹤0.01%
14,939
+5,458
+58% +$148K
IVZ icon
378
Invesco
IVZ
$13.9B
$358K ﹤0.01%
24,655
+9,029
+58% +$145K
BC icon
379
Brunswick
BC
$5.21B
$354K ﹤0.01%
4,482
+1,618
+56% +$133K
ALK icon
380
Alaska Air
ALK
$5.29B
$331K ﹤0.01%
8,926
+3,258
+57% +$148K
AAP icon
381
Advance Auto Parts
AAP
$3.23B
$331K ﹤0.01%
+5,917
New +$396K
DXC icon
382
DXC Technology
DXC
$1.71B
$330K ﹤0.01%
15,849
+5,907
+59% +$136K
VTRS icon
383
Viatris
VTRS
$18.5B
$310K ﹤0.01%
31,464
+11,796
+60% +$123K
CPT icon
384
Camden Property Trust
CPT
$10.9B
$278K ﹤0.01%
2,942
+999
+51% +$106K
HIW icon
385
Highwoods Properties
HIW
$3.46B
$258K ﹤0.01%
12,506
+4,021
+47% +$95.5K
TOL icon
386
Toll Brothers
TOL
$13.9B
$255K ﹤0.01%
3,450
-569
-14% -$44.9K
PSX icon
387
Phillips 66
PSX
$90B
$233K ﹤0.01%
+1,939
New +$218K
IPGP icon
388
IPG Photonics
IPGP
$3.71B
$229K ﹤0.01%
+2,253
New +$254K
KKR icon
389
KKR & Co
KKR
$99.5B
$226K ﹤0.01%
3,673
+8
+0.2% +$486
APA icon
390
APA Corp
APA
$14B
$212K ﹤0.01%
+5,156
New +$212K
QDEL icon
391
QuidelOrtho
QDEL
$1.02B
$210K ﹤0.01%
+2,871
New +$229K
FANG icon
392
Diamondback Energy
FANG
$56.2B
$205K ﹤0.01%
+1,321
New +$195K
QRVO icon
393
Qorvo
QRVO
$8.67B
$203K ﹤0.01%
+2,131
New +$218K
CTSH icon
394
Cognizant
CTSH
$26.2B
$201K ﹤0.01%
+2,968
New +$205K
COR icon
395
Cencora
COR
$60B
$201K ﹤0.01%
1,117
– –
HST icon
396
Host Hotels & Resorts
HST
$15.6B
$194K ﹤0.01%
12,042
+25
+0.2% +$417
HBAN icon
397
Huntington Bancshares
HBAN
$36.1B
$133K ﹤0.01%
12,777
– –
EFA icon
398
iShares MSCI EAFE ETF
EFA
$80.2B
$39.4K ﹤0.01%
571
+21
+4% +$1.5K
ARES icon
399
Ares Management
ARES
$32.1B
– –
-933,702
Closed -$90M
AXGN icon
400
Axogen
AXGN
$2.67B
– –
-1,611,388
Closed -$14.7M
14 15
16
17 18

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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.