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
+7.98%
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
$31.9B
AUM Growth
+$988M
Cap. Flow
-$703M
Cap. Flow %
-2.21%
Top 10 Hldgs %
16.59%
Holding
479
New
112
Increased
100
Reduced
249
Closed
14

Top Sells

Rank Stock Value
1
LOPE icon
Grand Canyon Education
LOPE
+$206M
2
ETSY icon
Etsy
ETSY
+$195M
3
AAP icon
Advance Auto Parts
AAP
+$192M
4
BJ icon
BJs Wholesale Club
BJ
+$151M
5
RAMP icon
LiveRamp
RAMP
+$125M

Sector Composition

Rank Sector Weight
1 Technology 25.66%
2 Healthcare 20.52%
3 Industrials 14.68%
4 Consumer Discretionary 14.22%
5 Financials 6.61%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
CBZ icon
401
CBIZ
CBZ
$2.97B
$89K ﹤0.01%
+2,715
New +$90.7K
MTRN icon
402
Materion
MTRN
$5.92B
$89K ﹤0.01%
+1,185
New +$87.8K
VRNT
403
DELISTED
Verint Systems
VRNT
$89K ﹤0.01%
+1,965
New +$91.1K
PNFP icon
404
Pinnacle Financial Partners Inc
PNFP
$16.3B
$88K ﹤0.01%
+1,000
New +$89.4K
GVA icon
405
Granite Construction
GVA
$5.47B
$87K ﹤0.01%
+2,085
New +$82.7K
HUBG icon
406
HUB Group
HUBG
$2.55B
$87K ﹤0.01%
+2,640
New +$89.9K
MTG icon
407
MGIC Investment
MTG
$6.32B
$86K ﹤0.01%
+6,300
New +$90.5K
CBRL icon
408
Cracker Barrel
CBRL
$1.32B
$85K ﹤0.01%
+575
New +$92.5K
ICFI icon
409
ICF International
ICFI
$1.59B
$85K ﹤0.01%
+970
New +$88.8K
NTCT icon
410
NETSCOUT
NTCT
$2.9B
$85K ﹤0.01%
+2,975
New +$84.5K
KAMN
411
DELISTED
Kaman Corp
KAMN
$84K ﹤0.01%
+1,675
New +$89.1K
CALM icon
412
Cal-Maine
CALM
$3.9B
$83K ﹤0.01%
+2,290
New +$85.7K
EAF icon
413
GrafTech
EAF
$203M
$83K ﹤0.01%
+715
New +$89.7K
UMH
414
UMH Properties
UMH
$1.42B
$83K ﹤0.01%
+3,820
New +$81.4K
CSGS
415
DELISTED
CSG Systems International
CSGS
$82K ﹤0.01%
+1,730
New +$78.8K
ENSG icon
416
The Ensign Group
ENSG
$10.6B
$82K ﹤0.01%
+950
New +$82.1K
NVRI icon
417
Enviri
NVRI
$585M
$82K ﹤0.01%
+4,010
New +$82.7K
KN icon
418
Knowles
KN
$3.32B
$81K ﹤0.01%
4,100
-1,443,522
-100% -$29.4M
WERN icon
419
Werner Enterprises
WERN
$2.3B
$81K ﹤0.01%
+1,825
New +$85.2K
CENTA icon
420
Central Garden & Pet Co Class A
CENTA
$2.44B
$80K ﹤0.01%
+2,069
New +$84.9K
TDS icon
421
Telephone and Data Systems
TDS
$3.92B
$80K ﹤0.01%
+3,535
New +$86.2K
NWE icon
422
NorthWestern Energy
NWE
$4.4B
$79K ﹤0.01%
+1,315
New +$85.6K
FBMS
423
DELISTED
The First Bancshares, Inc.
FBMS
$77K ﹤0.01%
+2,055
New +$79.2K
CODI icon
424
Compass Diversified
CODI
$925M
$76K ﹤0.01%
+2,985
New +$75.4K
NUVA
425
DELISTED
NuVasive, Inc.
NUVA
$75K ﹤0.01%
+1,105
New +$75.4K

Similar funds

William Blair Investment Management's Q2 2021 Portfolio in Review

As of Q2 2021, William Blair Investment Management held 479 positions worth $31.9B, up 3.2% from $30.9B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair Investment Management's Q2 2021 filing shows 112 new, 100 increased, 249 reduced and 14 closed positions. Its largest new stake was Fox Factory Holding Corp: 1,625,709 shares worth $253M. The largest sale was Grand Canyon Education, an estimated $206M.

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

  • William Blair Investment Management's largest Q2 2021 buy was Fox Factory Holding Corp: 1,625,709 shares worth $253M.
  • William Blair Investment Management added most to Denbury Inc. in Q2 2021, an estimated $153M increase.
  • William Blair Investment Management's biggest Q2 2021 reduction was Grand Canyon Education, cutting an estimated $206M.
  • William Blair Investment Management fully exited Proofpoint, Inc. in Q2 2021, selling an estimated $118M.
  • William Blair Investment Management's ten largest holdings make up 17% of its $31.9B portfolio in Q2 2021.
  • William Blair Investment Management opened 112 new positions and closed 14 in Q2 2021.
  • William Blair Investment Management's portfolio value rose 3.2% quarter-over-quarter to $31.9B.

Based on William Blair Investment Management's 13F filing for Q2 2021, filed 12 Aug 2021.