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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
-5.98%
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
$33.5B
AUM Growth
-$3.54B
Cap. Flow
+$67.3M
Cap. Flow %
0.2%
Top 10 Hldgs %
16.76%
Holding
470
New
43
Increased
198
Reduced
195
Closed
29

Sector Composition

Rank Sector Weight
1 Technology 26.31%
2 Healthcare 16.03%
3 Consumer Discretionary 15.24%
4 Industrials 14.19%
5 Financials 10.34%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
CSGS
201
DELISTED
CSG Systems International
CSGS
$37.5M 0.11%
590,033
-196,088
-25% -$11.8M
MTG icon
202
MGIC Investment
MTG
$6.29B
$37.5M 0.11%
2,764,339
-8,690
-0.3% -$130K
KALU icon
203
Kaiser Aluminum
KALU
$3.1B
$37M 0.11%
392,938
-5,077
-1% -$490K
DLX icon
204
Deluxe
DLX
$1.09B
$36.9M 0.11%
1,221,865
-15,641
-1% -$491K
BRC icon
205
Brady Corp
BRC
$4.48B
$36.8M 0.11%
795,655
+398,093
+100% +$19.4M
PJT icon
206
PJT Partners
PJT
$4.36B
$36.6M 0.11%
579,301
-7,934
-1% -$516K
CGNT icon
207
Cognyte Software
CGNT
$675M
$36.4M 0.11%
3,220,053
+1,278,641
+66% +$14.8M
WAFD icon
208
WaFd
WAFD
$2.79B
$35.8M 0.11%
+1,091,458
New +$38.3M
MYE icon
209
Myers Industries
MYE
$1.23B
$35.8M 0.11%
1,657,933
-22,132
-1% -$404K
PPBI
210
DELISTED
Pacific Premier Bancorp
PPBI
$35.7M 0.11%
1,009,945
-13,765
-1% -$534K
KLIC icon
211
Kulicke & Soffa
KLIC
$4.98B
$35.6M 0.11%
634,793
-7,645
-1% -$422K
NWE icon
212
NorthWestern Energy
NWE
$4.34B
$35.5M 0.11%
586,627
-7,473
-1% -$437K
SE icon
213
Sea Limited
SE
$78.5B
$35.5M 0.11%
296,343
-1,019,251
-77% -$144M
SFNC icon
214
Simmons First National
SFNC
$3.45B
$35.3M 0.11%
1,346,948
-17,125
-1% -$494K
EWBC icon
215
East-West Bancorp
EWBC
$18.5B
$35.3M 0.11%
446,224
-42,741
-9% -$3.61M
ICFI icon
216
ICF International
ICFI
$1.61B
$35.2M 0.11%
374,240
-59,272
-14% -$5.56M
EAF icon
217
GrafTech
EAF
$201M
$34.7M 0.1%
361,067
-4,102
-1% -$426K
LZB icon
218
La-Z-Boy
LZB
$1.64B
$34.7M 0.1%
1,315,512
+582,547
+79% +$18.7M
ABCB icon
219
Ameris Bancorp
ABCB
$5.94B
$34.5M 0.1%
787,166
-10,838
-1% -$534K
CPNG icon
220
Coupang
CPNG
$29.3B
$34.4M 0.1%
1,948,333
-111,848
-5% -$2.39M
IAA
221
DELISTED
IAA, Inc. Common Stock
IAA
$34.2M 0.1%
895,072
+82,229
+10% +$3.38M
ECL icon
222
Ecolab
ECL
$78.1B
$33.9M 0.1%
192,127
+5,158
+3% +$969K
ESRT icon
223
Empire State Realty Trust
ESRT
$817M
$33.5M 0.1%
3,416,363
+292,313
+9% +$2.75M
ALGN icon
224
Align Technology
ALGN
$12.4B
$33.4M 0.1%
76,609
-7,137
-9% -$3.47M
STE icon
225
Steris
STE
$23.1B
$33.3M 0.1%
137,772
-35,211
-20% -$8.16M

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William Blair Investment Management's Q1 2022 Portfolio in Review

As of Q1 2022, William Blair Investment Management held 470 positions worth $33.5B, down 9.6% from $37B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair Investment Management's Q1 2022 filing shows 43 new, 198 increased, 195 reduced and 29 closed positions. Its largest new stake was Toronto Dominion Bank: 3,163,737 shares worth $251M. The largest sale was Nebius Group N.V., an estimated $261M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, down from 27% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • William Blair Investment Management's largest Q1 2022 buy was Toronto Dominion Bank: 3,163,737 shares worth $251M.
  • William Blair Investment Management added most to Linde in Q1 2022, an estimated $196M increase.
  • William Blair Investment Management's biggest Q1 2022 reduction was Everpure Inc, cutting an estimated $199M.
  • William Blair Investment Management fully exited Nebius Group N.V. in Q1 2022, selling an estimated $261M.
  • William Blair Investment Management's ten largest holdings make up 17% of its $33.5B portfolio in Q1 2022.
  • William Blair Investment Management opened 43 new positions and closed 29 in Q1 2022.
  • William Blair Investment Management's portfolio value fell 9.6% quarter-over-quarter to $33.5B.

Based on William Blair Investment Management's 13F filing for Q1 2022, filed 11 May 2022.