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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
-14.67%
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
$20.5B
AUM Growth
-$4.55B
Cap. Flow
-$12.9M
Cap. Flow %
-0.06%
Top 10 Hldgs %
22.75%
Holding
396
New
40
Increased
177
Reduced
118
Closed
57

Top Buys

Rank Stock Value
1
TAL icon
TAL Education Group
TAL
+$224M
2
SEDG icon
SolarEdge
SEDG
+$152M
3
MRCY icon
Mercury Systems
MRCY
+$143M
4
MASI
Masimo
MASI
+$138M
5
BCO icon
Brink's
BCO
+$124M

Sector Composition

Rank Sector Weight
1 Technology 22.09%
2 Healthcare 16.18%
3 Consumer Discretionary 14.43%
4 Industrials 13.27%
5 Financials 9.12%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
AKR icon
326
Acadia Realty Trust
AKR
$2.84B
$1.5M 0.01%
121,108
-385,244
-76% -$8.7M
MNRL
327
DELISTED
Brigham Minerals, Inc. Class A Common Stock
MNRL
$917K ﹤0.01%
110,907
-216,862
-66% -$3.28M
IWO icon
328
iShares Russell 2000 Growth ETF
IWO
$15B
$766K ﹤0.01%
4,844
-576
-11% -$114K
SMIN icon
329
iShares MSCI India Small-Cap ETF
SMIN
$771M
$735K ﹤0.01%
31,778
+7,774
+32% +$264K
TALO icon
330
Talos Energy
TALO
$2.59B
$639K ﹤0.01%
111,134
+73,970
+199% +$1.31M
OII icon
331
Oceaneering
OII
$5.08B
$438K ﹤0.01%
149,105
+99,243
+199% +$1.04M
EFA icon
332
iShares MSCI EAFE ETF
EFA
$80.2B
$405K ﹤0.01%
7,576
-2,375
-24% -$151K
EOG icon
333
EOG Resources
EOG
$75.1B
$377K ﹤0.01%
10,500
BRO icon
334
Brown & Brown
BRO
$23.8B
$371K ﹤0.01%
10,235
-5,629
-35% -$238K
OLLI icon
335
Ollie's Bargain Outlet
OLLI
$4.73B
$284K ﹤0.01%
6,126
-1,886,401
-100% -$96.7M
W icon
336
Wayfair
W
$14.1B
$206K ﹤0.01%
3,855
-949,687
-100% -$72.7M
IWP icon
337
iShares Russell Mid-Cap Growth ETF
IWP
$21B
$110K ﹤0.01%
1,814
-1,906
-51% -$139K
ELD icon
338
WisdomTree Emerging Markets Local Debt Fund
ELD
$143M
$74K ﹤0.01%
2,500
-300
-11% -$10.1K
EMB icon
339
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$14.9B
$73K ﹤0.01%
760
-90
-11% -$9.92K
AON icon
340
Aon
AON
$74.7B
-142,999
Closed -$29.8M
AXTA icon
341
Axalta
AXTA
$7.98B
-3,008,915
Closed -$91.5M
AZN icon
342
AstraZeneca
AZN
$246B
-44,167
Closed -$4.4M
AZUL
343
DELISTED
Azul
AZUL
-262,111
Closed -$11.2M
BYD icon
344
Boyd Gaming
BYD
$6.03B
-453,320
Closed -$13.6M
CBRL icon
345
Cracker Barrel
CBRL
$1.31B
-62,868
Closed -$9.66M
CDNA icon
346
CareDx
CDNA
$2.45B
-359,854
Closed -$7.76M
CGNX icon
347
Cognex
CGNX
$10.2B
-137,874
Closed -$7.73M
CIB icon
348
Grupo Cibest SA
CIB
$22.6B
-325,100
Closed -$17.8M
CNK icon
349
Cinemark Holdings
CNK
$4.32B
-251,846
Closed -$8.53M
CVGW
350
DELISTED
Calavo Growers
CVGW
-203,219
Closed -$18.4M

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William Blair Investment Management's Q1 2020 Portfolio in Review

As of Q1 2020, William Blair Investment Management held 396 positions worth $20.5B, down 18% from $25.1B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

William Blair Investment Management's Q1 2020 filing shows 40 new, 177 increased, 118 reduced and 57 closed positions. Its largest new stake was SolarEdge: 1,432,686 shares worth $117M. The largest sale was Vail Resorts, an estimated $240M.

By sector, the portfolio is most concentrated in Technology at 22% of assets, down from 23% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • William Blair Investment Management's largest Q1 2020 buy was SolarEdge: 1,432,686 shares worth $117M.
  • William Blair Investment Management added most to TAL Education Group in Q1 2020, an estimated $224M increase.
  • William Blair Investment Management's biggest Q1 2020 reduction was Check Point Software Technologies, cutting an estimated $173M.
  • William Blair Investment Management fully exited Vail Resorts in Q1 2020, selling an estimated $240M.
  • William Blair Investment Management's ten largest holdings make up 23% of its $20.5B portfolio in Q1 2020.
  • William Blair Investment Management opened 40 new positions and closed 57 in Q1 2020.
  • William Blair Investment Management's portfolio value fell 18% quarter-over-quarter to $20.5B.

Based on William Blair Investment Management's 13F filing for Q1 2020, filed 8 May 2020.