We are live on ! Find out more
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
+11.26%
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
$28.7B
AUM Growth
+$2.56B
Cap. Flow
+$530M
Cap. Flow %
1.85%
Top 10 Hldgs %
19.55%
Holding
425
New
24
Increased
254
Reduced
112
Closed
32

Top Buys

Rank Stock Value
1
RACE icon
Ferrari
RACE
+$191M
2
TSM icon
TSMC
TSM
+$128M
3
KOS icon
Kosmos Energy
KOS
+$111M
4
FIVE icon
Five Below
FIVE
+$111M
5
AMD icon
Advanced Micro Devices
AMD
+$86.5M

Top Sells

Rank Stock Value
1
HALO icon
Halozyme
HALO
+$211M
2
SYK icon
Stryker
SYK
+$153M
3
WH icon
Wyndham Hotels & Resorts
WH
+$113M
4
FTI icon
TechnipFMC
FTI
+$92.8M
5
AZTA icon
Azenta
AZTA
+$78.7M

Sector Composition

Rank Sector Weight
1 Technology 25.27%
2 Industrials 16.92%
3 Consumer Discretionary 15.22%
4 Healthcare 14.65%
5 Financials 9.04%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
FFIV icon
376
F5
FFIV
$24B
$248K ﹤0.01%
1,699
+4
+0.2% +$577
TOL icon
377
Toll Brothers
TOL
$13.9B
$242K ﹤0.01%
4,033
+12
+0.3% +$692
ALK icon
378
Alaska Air
ALK
$5.29B
$238K ﹤0.01%
5,683
+13
+0.2% +$610
AAP icon
379
Advance Auto Parts
AAP
$3.23B
$235K ﹤0.01%
+1,931
New +$270K
SLM icon
380
SLM Corp
SLM
$5.26B
$231K ﹤0.01%
18,684
+3,908
+26% +$57.7K
BC icon
381
Brunswick
BC
$5.21B
$228K ﹤0.01%
+2,778
New +$230K
WTW icon
382
Willis Towers Watson
WTW
$31.6B
$222K ﹤0.01%
954
+3
+0.3% +$725
FLS icon
383
Flowserve
FLS
$10.3B
$214K ﹤0.01%
+6,308
New +$211K
DXC icon
384
DXC Technology
DXC
$1.71B
$214K ﹤0.01%
8,375
+18
+0.2% +$491
ETR icon
385
Entergy
ETR
$50.3B
$213K ﹤0.01%
3,946
+12
+0.3% +$637
CPT icon
386
Camden Property Trust
CPT
$10.9B
$204K ﹤0.01%
1,948
+4
+0.2% +$456
WHR icon
387
Whirlpool
WHR
$2.79B
$203K ﹤0.01%
1,537
+4
+0.3% +$570
HST icon
388
Host Hotels & Resorts
HST
$15.6B
$199K ﹤0.01%
12,058
+35
+0.3% +$596
VTRS icon
389
Viatris
VTRS
$18.5B
$190K ﹤0.01%
19,717
+41
+0.2% +$455
HPE icon
390
Hewlett Packard
HPE
$77.8B
$180K ﹤0.01%
11,327
+23
+0.2% +$361
GOOG icon
391
Alphabet (Google) Class C
GOOG
$4.19T
$174K ﹤0.01%
1,671
+94
+6% +$9.08K
HBAN icon
392
Huntington Bancshares
HBAN
$36.1B
$122K ﹤0.01%
10,936
+31
+0.3% +$431
EFA icon
393
iShares MSCI EAFE ETF
EFA
$80.2B
$63.1K ﹤0.01%
882
-15,142
-94% -$1.06M
APA icon
394
APA Corp
APA
$14B
– –
-4,344
Closed -$203K
ARMK icon
395
Aramark
ARMK
$15.9B
– –
-449,362
Closed -$13.4M
AZUL
396
DELISTED
Azul
AZUL
– –
-245,034
Closed -$1.5M
BBT
397
Beacon Financial Corp
BBT
$2.69B
– –
-1,093,928
Closed -$32.7M
BRDG
398
DELISTED
Bridge Investment Group
BRDG
– –
-103,108
Closed -$1.24M
CENX icon
399
Century Aluminum
CENX
$4.77B
– –
-871,261
Closed -$7.13M
CINT icon
400
CI&T Inc
CINT
$465M
– –
-242,262
Closed -$1.57M
13 14 15
16
17

Similar funds

BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
GAM
Gotham Asset Management New York $32.7B AUM 27.65% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
Hotchkis & Wiley Capital Management
Hotchkis & Wiley Capital Management Los Angeles, California $32.4B AUM 17.21% 1-Year Est. Return
Public Sector Pension Investment Board (PSP Investments)
Public Sector Pension Investment Board (PSP Investments) Montreal, Quebec, Canada $32.1B AUM 31.84% 1-Year Est. Return
VIA
Vanguard Investments Australia Victoria, Australia $34.6B AUM
Chevy Chase Trust
Chevy Chase Trust Bethesda, Maryland $34.7B AUM 29.45% 1-Year Est. Return
Treasurer of the State of North Carolina
Treasurer of the State of North Carolina Raleigh, North Carolina $31.8B AUM 28.93% 1-Year Est. Return

William Blair Investment Management's Q1 2023 Portfolio in Review

As of Q1 2023, William Blair Investment Management held 425 positions worth $28.7B, up 9.8% from $26.1B the previous quarter. Its ten largest holdings account for 20% of the portfolio.

William Blair Investment Management's Q1 2023 filing shows 24 new, 254 increased, 112 reduced and 32 closed positions. Its largest new stake was Ferrari: 749,761 shares worth $203M. The largest sale was Halozyme, an estimated $211M.

By sector, the portfolio is most concentrated in Technology at 25% of assets, up from 23% a quarter earlier, followed by Industrials and Consumer Discretionary.

  • William Blair Investment Management's largest Q1 2023 buy was Ferrari: 749,761 shares worth $203M.
  • William Blair Investment Management added most to TSMC in Q1 2023, an estimated $128M increase.
  • William Blair Investment Management's biggest Q1 2023 reduction was Wyndham Hotels & Resorts, cutting an estimated $113M.
  • William Blair Investment Management fully exited Halozyme in Q1 2023, selling an estimated $211M.
  • William Blair Investment Management's ten largest holdings make up 20% of its $28.7B portfolio in Q1 2023.
  • William Blair Investment Management opened 24 new positions and closed 32 in Q1 2023.
  • William Blair Investment Management's portfolio value rose 9.8% quarter-over-quarter to $28.7B.

Based on William Blair Investment Management's 13F filing for Q1 2023, filed 12 May 2023.