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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
-18.41%
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
$27B
AUM Growth
-$6.49B
Cap. Flow
+$233M
Cap. Flow %
0.86%
Top 10 Hldgs %
17.57%
Holding
465
New
24
Increased
112
Reduced
263
Closed
62

Top Buys

Rank Stock Value
1
LIN icon
Linde
LIN
+$146M
2
MSFT icon
Microsoft
MSFT
+$142M
3
WOOF icon
Petco
WOOF
+$138M
4
POOL icon
Pool Corp
POOL
+$121M
5
CP icon
Canadian Pacific Kansas City
CP
+$120M

Top Sells

Rank Stock Value
1
TECH icon
Bio-Techne
TECH
+$206M
2
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$155M
3
TSM icon
TSMC
TSM
+$127M
4
AMED
Amedisys
AMED
+$124M
5
NFLX icon
Netflix
NFLX
+$99M

Sector Composition

Rank Sector Weight
1 Technology 25.29%
2 Healthcare 16.5%
3 Industrials 16.08%
4 Consumer Discretionary 14.5%
5 Financials 10.23%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
IWF icon
426
iShares Russell 1000 Growth ETF
IWF
$128B
$0 ﹤0.01%
784
-1,684
-68% -$101K
JNK icon
427
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$7.31B
– –
-42,350
Closed -$4.34M
LPRO
428
DELISTED
Open Lending Corp
LPRO
– –
-608,016
Closed -$11.5M
LQD icon
429
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
$32.7B
– –
-98,600
Closed -$11.9M
MHK icon
430
Mohawk Industries
MHK
$9.27B
– –
-2,677
Closed -$332K
CALY
431
Callaway Golf Company
CALY
$2.95B
– –
-675,949
Closed -$15.8M
MSM icon
432
MSC Industrial Direct
MSM
$6.67B
– –
-5,350
Closed -$456K
NFLX icon
433
Netflix
NFLX
$309B
– –
-2,642,350
Closed -$99M
OKTA icon
434
Okta
OKTA
$25.6B
– –
-9,851
Closed -$1.49M
OSPN icon
435
OneSpan
OSPN
$609M
– –
-117,438
Closed -$1.7M
PNFP icon
436
Pinnacle Financial Partners Inc
PNFP
$16.1B
– –
-2,578
Closed -$237K
QLYS icon
437
Qualys
QLYS
$6.47B
– –
-12,180
Closed -$1.74M
QRVO icon
438
Qorvo
QRVO
$8.67B
– –
-2,228
Closed -$276K
RAMP icon
439
LiveRamp
RAMP
$2.3B
– –
-545,485
Closed -$20.4M
RPD icon
440
Rapid7
RPD
$827M
– –
-14,997
Closed -$1.67M
S icon
441
SentinelOne
S
$7.64B
– –
-44,835
Closed -$1.74M
SPY icon
442
State Street SPDR S&P 500 ETF Trust
SPY
$809B
– –
-343,350
Closed -$155M
SWKS icon
443
Skyworks Solutions
SWKS
$10.5B
– –
-1,553
Closed -$207K
TDS icon
444
Telephone and Data Systems
TDS
$3.82B
– –
-1,619,667
Closed -$30.6M
TECH icon
445
Bio-Techne
TECH
$11.3B
– –
-1,903,976
Closed -$206M
TENB icon
446
Tenable Holdings
TENB
$4.08B
– –
-27,987
Closed -$1.62M
TSEM icon
447
Tower Semiconductor
TSEM
$29.4B
– –
-825,967
Closed -$40M
TSN icon
448
Tyson Foods
TSN
$19.6B
– –
-5,259
Closed -$471K
VOO icon
449
Vanguard S&P 500 ETF
VOO
$1.03T
– –
-78,200
Closed -$32.5M
WBS icon
450
Webster Financial
WBS
$12.8B
– –
-5,155
Closed -$289K
15 16 17
18
19

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William Blair Investment Management's Q2 2022 Portfolio in Review

As of Q2 2022, William Blair Investment Management held 465 positions worth $27B, down 19% from $33.5B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair Investment Management's Q2 2022 filing shows 24 new, 112 increased, 263 reduced and 62 closed positions. Its largest new stake was Petco: 7,619,542 shares worth $112M. The largest sale was Bio-Techne, an estimated $206M.

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

  • William Blair Investment Management's largest Q2 2022 buy was Petco: 7,619,542 shares worth $112M.
  • William Blair Investment Management added most to Linde in Q2 2022, an estimated $146M increase.
  • William Blair Investment Management's biggest Q2 2022 reduction was TSMC, cutting an estimated $127M.
  • William Blair Investment Management fully exited Bio-Techne in Q2 2022, selling an estimated $206M.
  • William Blair Investment Management's ten largest holdings make up 18% of its $27B portfolio in Q2 2022.
  • William Blair Investment Management opened 24 new positions and closed 62 in Q2 2022.
  • William Blair Investment Management's portfolio value fell 19% quarter-over-quarter to $27B.

Based on William Blair Investment Management's 13F filing for Q2 2022, filed 10 Aug 2022.