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William Blair & Company’s
AAR Corp
AIR
Stock Holding History
William Blair & Company’s Portfolio
AIR Stock Details
AIR Fund Activity
Bought
Maintained
Sold
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
$5.2M
Sell
47,475
-12,100
-20%
-$1.3M
0.01%
499
2025
Q4
$4.93M
Sell
59,575
-1,459
-2%
-$121K
0.01%
518
2025
Q3
$5.47M
Buy
61,034
+8,044
+15%
+$612K
0.01%
497
2025
Q2
$3.65M
Buy
52,990
+6,893
+15%
+$414K
0.01%
580
2025
Q1
$2.58M
Buy
46,097
+135
+0.3%
+$8.97K
0.01%
656
2024
Q4
$2.82M
Buy
45,962
+10,280
+29%
+$659K
0.01%
641
2024
Q3
$2.33M
Sell
35,682
-19,428
-35%
-$1.29M
0.01%
662
2024
Q2
$4.01M
Sell
55,110
-2,569
-4%
-$174K
0.01%
533
2024
Q1
$3.45M
Buy
57,679
+51,928
+903%
+$3.23M
0.01%
559
2023
Q4
$359K
Buy
+5,751
New
+$369K
﹤0.01%
1174
2020
Q3
–
Sell
-26,302
Closed
-$544K
–
1716
2020
Q2
$544K
Buy
26,302
+25
+0.1%
+$484
﹤0.01%
914
2020
Q1
$467K
Buy
+26,277
New
+$960K
﹤0.01%
891
2017
Q3
–
Sell
-9,000
Closed
-$313K
–
1361
2017
Q2
$313K
Buy
+9,000
New
+$312K
﹤0.01%
1168
Other funds holding AIR
BlackRock
New York
$5.7T AUM
30.48%
1-Year Est. Return
State Street
Boston, Massachusetts
$2.9T AUM
29.55%
1-Year Est. Return
VPM
Vanguard Portfolio Management
Malvern, Pennsylvania
$1.91T AUM
Dimensional Fund Advisors
Austin, Texas
$481B AUM
30.42%
1-Year Est. Return
VCM
Vanguard Capital Management
Malvern, Pennsylvania
$4.04T AUM
Invesco
Atlanta, Georgia
$653B AUM
32.41%
1-Year Est. Return
EARNEST Partners
Atlanta, Georgia
$24.3B AUM
34.41%
1-Year Est. Return
Capital Research Global Investors
Los Angeles, California
$645B AUM
30.41%
1-Year Est. Return
Geode Capital Management
Boston, Massachusetts
$1.61T AUM
30.72%
1-Year Est. Return
WHG
Westwood Holdings Group
Dallas, Texas
$13.7B AUM
21.48%
1-Year Est. Return
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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