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Allegro MicroSystems

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$658M +$215M +8,534,089 +43%
Vanguard Group
2
Vanguard Group
Pennsylvania
$343M +$152M +6,043,477 +70%
BlackRock
3
BlackRock
New York
$299M +$156M +6,208,748 +94%
JP Morgan Chase
4
JP Morgan Chase
New York
$257M +$47.4M +1,884,578 +21%
State Street
5
State Street
Massachusetts
$128M +$40.6M +1,615,351 +42%
Capital Research Global Investors
6
Capital Research Global Investors
California
$126M +$136M +5,414,432 New
ClearBridge Investments
7
ClearBridge Investments
New York
$91.6M +$6.35M +252,764 +7%
Invesco
8
Invesco
Georgia
$75.8M -$66.9M -2,662,830 -45%
Wellington Management Group
9
Wellington Management Group
Massachusetts
$71.3M +$76.9M +3,059,634 New
Geode Capital Management
10
Geode Capital Management
Massachusetts
$59.7M +$29.9M +1,187,792 +86%
Principal Financial Group
11
Principal Financial Group
Iowa
$58.2M +$7.77M +308,943 +14%
Manulife (Manufacturers Life Insurance)
12
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$50.2M +$112K +4,444 +0.2%
Morgan Stanley
13
Morgan Stanley
New York
$47.5M -$1.07M -42,403 -2%
Westfield Capital Management
14
Westfield Capital Management
Massachusetts
$46.9M +$17.9M +711,185 +55%
Ameriprise
15
Ameriprise
Minnesota
$45.4M -$3.67M -146,192 -7%
Adage Capital Partners
16
Adage Capital Partners
Massachusetts
$42.4M +$8.17M +325,000 +22%
ACM
17
Analog Century Management
New York
$39.8M +$19.1M +761,666 +80%
T. Rowe Price Investment Management
18
T. Rowe Price Investment Management
Maryland
$36.7M -$32.2M -1,279,397 -45%
WP
19
Woodline Partners
California
$36.1M +$2.62M +104,362 +7%
Artisan Partners
20
Artisan Partners
Wisconsin
$35.4M -$2.23M -88,696 -6%
Massachusetts Financial Services
21
Massachusetts Financial Services
Massachusetts
$33.9M +$11.8M +468,707 +48%
Macquarie Group
22
Macquarie Group
Australia
$32.9M +$35.4M +1,409,673 +236,126%
Two Sigma Investments
23
Two Sigma Investments
New York
$32.1M +$12.9M +514,106 +59%
Charles Schwab
24
Charles Schwab
California
$31.8M +$17.3M +688,539 +102%
Citadel Advisors
25
Citadel Advisors
Florida
$31.2M +$30.9M +1,227,857 +1,095%