ALGM

ALLEGRO MICROSYSTEMS INC

ALGM·01749D105·US·Common Stock·Technology - Semiconductors-13D/G

ALGM (ALLEGRO MICROSYSTEMS INC) is held by 172 institutional investors as of Q2 2026. Largest holders: FMR LLC ($1.8B), BlackRock, Inc. ($967M), Invesco Ltd. ($952.3M). Net institutional sentiment: Mixed.

172
Holders
(9 Elite)
$9.4B
Total Value
55% (178)
Consensus
98 buying - 80 selling
13F: Insider & Congress: Updated regularly
ALGM

Smart Money Verdict

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Held by 172 funds
9 elite

Who's Trading

Source dates: Price Aug 31, 2026 · Insiders Aug 18, 2026 · Activists Aug 13, 2026 · Congress none

InsiderRJRaubacher JennieSell $45KAug 17, 2026
ActivistInvesco Ltd.Invesco Ltd.7.3%Aug 13, 2026
ActivistFMR LLCFMR LLC13.7%Aug 6, 2026
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Top Holders

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Fund
Action
Shares
Value
Weight
Est. P&L
Conviction
Decreased
25.6M(-6.7%)$1.8B0.1%+50.31%
0
Increased
13.9M(+11.2%)$967M0.0%+31.37%
35
Increased
13.7M(+56.3%)$952.3M0.1%-17.43%
45
Increased
12.7M(+47.1%)$844.9M0.0%-10.97%
43
Decreased
12M(-3.5%)$835.9M0.1%+31.02%
0
Decreased
7.7M(-3.2%)$533.9M0.0%+13.45%
0
Increased
5.7M(+8.6%)$395.2M0.0%+14.98%
34
Increased
5.5M(+0.8%)$383.5M0.0%+12.36%
31
Increased
2.9M(+2.9%)$205.1M0.2%+29.56%
38
Increased
2.6M(+7.7%)$184.2M0.0%+22.60%
33
Decreased
2.1M(-2.1%)$147.8M0.0%+18.89%
0
Decreased
1.8M(-20.5%)$126M0.0%+33.51%
0
Decreased
1.6M(-3.2%)$112.8M0.1%+27.53%
0
Increased
1.6M(+9.6%)$109.7M0.0%+11.28%
33
Decreased
1.5M(-16.8%)$103.7M0.1%+37.50%
0
Increased
1.4M(+1983.1%)$100.5M0.0%-47.27%
48
Decreased
1.4M(-2.2%)$94.7M0.0%+36.52%
0
Increased
1.2M(+11.6%)$81.3M0.0%+17.09%
33
Decreased
1.2M(-44.3%)$80.7M0.1%+35.03%
0
Decreased
1.1M(-23.4%)$78.1M0.1%+33.60%
0

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Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer

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