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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
+2.16%
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
$35.5B
AUM Growth
+$3.59B
Cap. Flow
+$3.35B
Cap. Flow %
9.44%
Top 10 Hldgs %
14.72%
Holding
520
New
55
Increased
211
Reduced
159
Closed
89

Top Buys

Rank Stock Value
1
BBBY
Bed Bath & Beyond
BBBY
+$213M
2
SEDG icon
SolarEdge
SEDG
+$182M
3
CHE icon
Chemed
CHE
+$161M
4
PFGC icon
Performance Food Group
PFGC
+$140M
5
PACB icon
Pacific Biosciences
PACB
+$121M

Top Sells

Rank Stock Value
1
GNRC icon
Generac Holdings
GNRC
+$257M
2
AZPN
ASPEN TECHNOLOGY INC
AZPN
+$209M
3
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$205M
4
ZD icon
Ziff Davis
ZD
+$175M
5
BJ icon
BJs Wholesale Club
BJ
+$167M

Sector Composition

Rank Sector Weight
1 Technology 25.42%
2 Healthcare 19.29%
3 Consumer Discretionary 15.58%
4 Industrials 14.33%
5 Financials 8.5%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
BAP icon
176
Credicorp
BAP
$29.8B
$47M 0.13%
423,491
-242,505
-36% -$26.4M
WGO icon
177
Winnebago Industries
WGO
$920M
$46.8M 0.13%
645,731
+644,411
+48,819% +$45M
ONT
178
Onterris Inc
ONT
$614M
$46.7M 0.13%
756,450
+8,304
+1% +$434K
LMT icon
179
Lockheed Martin
LMT
$138B
$46.6M 0.13%
135,163
-1,060
-0.8% -$384K
GEF icon
180
Greif
GEF
$5.03B
$46.6M 0.13%
720,930
+719,345
+45,385% +$44.5M
CNDT icon
181
Conduent
CNDT
$253M
$46.1M 0.13%
6,991,292
+6,976,777
+48,066% +$47.9M
PNFP icon
182
Pinnacle Financial Partners Inc
PNFP
$16.2B
$45.9M 0.13%
487,938
+486,938
+48,694% +$44.8M
GPI icon
183
Group 1 Automotive
GPI
$3.13B
$45.8M 0.13%
243,940
+243,210
+33,316% +$41.3M
PPBI
184
DELISTED
Pacific Premier Bancorp
PPBI
$45.8M 0.13%
1,105,434
+1,103,174
+48,813% +$43.2M
GLDD
185
DELISTED
Great Lakes Dredge & Dock
GLDD
$45.5M 0.13%
3,016,267
+3,009,857
+46,956% +$44.7M
DCO icon
186
Ducommun
DCO
$3.01B
$45.4M 0.13%
901,342
+9,894
+1% +$519K
TMHC
187
DELISTED
Taylor Morrison
TMHC
$45M 0.13%
1,747,323
+1,743,918
+51,216% +$46.2M
MTG icon
188
MGIC Investment
MTG
$6.33B
$45M 0.13%
3,008,519
+3,002,219
+47,654% +$43.5M
OPLN
189
Openlane
OPLN
$4.33B
$44.6M 0.13%
2,723,937
+2,718,237
+47,688% +$45.9M
ABCB icon
190
Ameris Bancorp
ABCB
$6.01B
$44.6M 0.13%
860,361
+858,556
+47,565% +$41.8M
KLIC icon
191
Kulicke & Soffa
KLIC
$5.02B
$44.6M 0.13%
764,423
+761,953
+30,848% +$47.4M
DCOM icon
192
Dime Commercial Bancshares
DCOM
$1.82B
$44.3M 0.12%
1,356,500
+1,356,160
+398,871% +$44M
IAA
193
DELISTED
IAA, Inc. Common Stock
IAA
$43.9M 0.12%
805,195
+290,845
+57% +$16.1M
HUBG icon
194
HUB Group
HUBG
$2.55B
$43.8M 0.12%
1,273,152
+1,270,512
+48,125% +$42.7M
SFNC icon
195
Simmons First National
SFNC
$3.46B
$43.7M 0.12%
1,478,055
+1,474,925
+47,122% +$41.7M
BANC icon
196
Banc of California
BANC
$3.11B
$43.6M 0.12%
2,356,558
+2,318,003
+6,012% +$40.5M
CBZ icon
197
CBIZ
CBZ
$2.96B
$43.4M 0.12%
1,342,288
+1,339,573
+49,340% +$43.6M
VRNT
198
DELISTED
Verint Systems
VRNT
$42.4M 0.12%
945,821
+943,856
+48,033% +$41.1M
VEEV icon
199
Veeva Systems
VEEV
$41B
$42.3M 0.12%
146,960
+63,115
+75% +$20M
GDYN icon
200
Grid Dynamics Holdings
GDYN
$643M
$42.2M 0.12%
1,443,025
-1,737,261
-55% -$42.5M
6 7
8
9 10

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William Blair Investment Management's Q3 2021 Portfolio in Review

As of Q3 2021, William Blair Investment Management held 520 positions worth $35.5B, up 11% from $31.9B the previous quarter. Its ten largest holdings account for 15% of the portfolio.

William Blair Investment Management deployed $3.35B of net new capital in Q3 2021, opening 55 new positions and adding to 211 existing holdings. Its largest new stake was Bed Bath & Beyond: 3,069,659 shares worth $217M.

By sector, the portfolio is most concentrated in Technology at 25% of assets, down from 26% a quarter earlier, followed by Healthcare and Consumer Discretionary.

On the sell side, the largest reduction was Generac Holdings, an estimated $257M trimmed.

  • William Blair Investment Management's largest Q3 2021 buy was Bed Bath & Beyond: 3,069,659 shares worth $217M.
  • William Blair Investment Management added most to Performance Food Group in Q3 2021, an estimated $140M increase.
  • William Blair Investment Management's biggest Q3 2021 reduction was Generac Holdings, cutting an estimated $257M.
  • William Blair Investment Management fully exited ASPEN TECHNOLOGY INC in Q3 2021, selling an estimated $209M.
  • William Blair Investment Management's ten largest holdings make up 15% of its $35.5B portfolio in Q3 2021.
  • William Blair Investment Management opened 55 new positions and closed 89 in Q3 2021.
  • William Blair Investment Management's portfolio value rose 11% quarter-over-quarter to $35.5B.

Based on William Blair Investment Management's 13F filing for Q3 2021, filed 10 Nov 2021.