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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
+8.82%
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
$40.5B
AUM Growth
+$2.41B
Cap. Flow
+$166M
Cap. Flow %
0.41%
Top 10 Hldgs %
26.88%
Holding
451
New
40
Increased
141
Reduced
231
Closed
39

Top Buys

Rank Stock Value
1
META icon
Meta Platforms (Facebook)
META
+$732M
2
AAPL icon
Apple
AAPL
+$390M
3
TRU icon
TransUnion
TRU
+$198M
4
NVT icon
nVent Electric
NVT
+$164M
5
MANH icon
Manhattan Associates
MANH
+$159M

Top Sells

Rank Stock Value
1
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$1.17B
2
AXON
Axon Enterprise
AXON
+$211M
3
MMSI icon
Merit Medical Systems
MMSI
+$148M
4
BLDR icon
Builders FirstSource
BLDR
+$146M
5
TREX icon
Trex
TREX
+$144M

Sector Composition

Rank Sector Weight
1 Technology 34.33%
2 Consumer Discretionary 14.81%
3 Healthcare 14.4%
4 Financials 10.44%
5 Industrials 9.94%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
GXO icon
276
GXO Logistics
GXO
$5.53B
$24.5M 0.06%
470,504
+1,199
+0.3% +$60.8K
ESTA icon
277
Establishment Labs
ESTA
$2.29B
$24.4M 0.06%
563,937
+82,365
+17% +$3.58M
DLX icon
278
Deluxe
DLX
$1.1B
$24.3M 0.06%
1,248,971
-38,285
-3% -$799K
ECVT icon
279
Ecovyst
ECVT
$1.11B
$24.2M 0.06%
3,534,008
-108,665
-3% -$828K
LLY icon
280
Eli Lilly
LLY
$1.08T
$24.1M 0.06%
27,162
+25,219
+1,298% +$22.7M
SHO icon
281
Sunstone Hotel Investors
SHO
$2.02B
$24M 0.06%
2,329,005
-71,435
-3% -$730K
STEP icon
282
StepStone Group
STEP
$4.12B
$24M 0.06%
421,670
-158,382
-27% -$8.07M
SIG icon
283
Signet Jewelers
SIG
$3.61B
$23.9M 0.06%
232,163
-662
-0.3% -$55.9K
FROG icon
284
JFrog
FROG
$11.1B
$23.4M 0.06%
806,813
+83,408
+12% +$2.62M
ALHC icon
285
Alignment Healthcare
ALHC
$2.82B
$23.3M 0.06%
1,972,707
-1,131,974
-36% -$10.7M
PWP icon
286
Perella Weinberg Partners
PWP
$1.29B
$23.3M 0.06%
1,206,129
-36,810
-3% -$675K
WST icon
287
West Pharmaceutical
WST
$24.4B
$23.1M 0.06%
77,030
+10,545
+16% +$3.23M
MLKN icon
288
MillerKnoll
MLKN
$1.62B
$23.1M 0.06%
932,492
-20,993
-2% -$583K
PRAA icon
289
PRA Group
PRAA
$778M
$23M 0.06%
1,027,626
-31,555
-3% -$703K
EPC icon
290
Edgewell Personal Care
EPC
$1.31B
$22.7M 0.06%
625,376
-19,217
-3% -$742K
AMAT icon
291
Applied Materials
AMAT
$444B
$22.6M 0.06%
111,893
-82,794
-43% -$17M
GTLB icon
292
GitLab
GTLB
$6.87B
$22.4M 0.06%
434,395
+111,160
+34% +$5.56M
ADT icon
293
ADT
ADT
$5.38B
$22.3M 0.06%
3,089,064
-8,232
-0.3% -$60.4K
BOOT icon
294
Boot Barn
BOOT
$5B
$22.1M 0.05%
132,153
-61,080
-32% -$8.4M
GGG icon
295
Graco
GGG
$13.2B
$22M 0.05%
251,261
+69,031
+38% +$5.66M
DSGX icon
296
Descartes Systems
DSGX
$6.4B
$21.8M 0.05%
212,184
-622
-0.3% -$61.8K
COCO icon
297
Vita Coco
COCO
$3.85B
$21.8M 0.05%
768,635
+7,320
+1% +$195K
PBF icon
298
PBF Energy
PBF
$8.72B
$21.6M 0.05%
699,343
-21,213
-3% -$771K
HI
299
DELISTED
Hillenbrand
HI
$21.4M 0.05%
768,411
-23,287
-3% -$819K
DFIN icon
300
Donnelley Financial Solutions
DFIN
$1.18B
$21.2M 0.05%
322,064
+3,026
+0.9% +$196K
10 11
12
13 14

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William Blair Investment Management's Q3 2024 Portfolio in Review

As of Q3 2024, William Blair Investment Management held 451 positions worth $40.5B, up 6.3% from $38.1B the previous quarter. Its ten largest holdings account for 27% of the portfolio.

William Blair Investment Management's Q3 2024 filing shows 40 new, 141 increased, 231 reduced and 39 closed positions. Its largest new stake was nVent Electric: 2,380,715 shares worth $167M. The largest sale was Alphabet (Google) Class A, an estimated $1.17B.

By sector, the portfolio is most concentrated in Technology at 34% of assets, up from 34% a quarter earlier, followed by Consumer Discretionary and Healthcare.

  • William Blair Investment Management's largest Q3 2024 buy was nVent Electric: 2,380,715 shares worth $167M.
  • William Blair Investment Management added most to Meta Platforms (Facebook) in Q3 2024, an estimated $732M increase.
  • William Blair Investment Management's biggest Q3 2024 reduction was Alphabet (Google) Class A, cutting an estimated $1.17B.
  • William Blair Investment Management fully exited Axon Enterprise in Q3 2024, selling an estimated $211M.
  • William Blair Investment Management's ten largest holdings make up 27% of its $40.5B portfolio in Q3 2024.
  • William Blair Investment Management opened 40 new positions and closed 39 in Q3 2024.
  • William Blair Investment Management's portfolio value rose 6.3% quarter-over-quarter to $40.5B.

Based on William Blair Investment Management's 13F filing for Q3 2024, filed 8 Nov 2024.