ALLEGRO MICROSYSTEMS INC ALGM

US Technology Semiconductors & Related Devices
$55.49
-12.2%
52w: $22.80 – $69.62

Latest 13F among current holders filed 11 days ago (Jun 24, 2026)

Price — last 12 months

research preview data
22.8046.2169.62
Jun 20, 2025 Jul 2, 2026
Institutional holders
320
+26 QoQ
13F value
$4.32B
+19.8% QoQ
Smart-money holders
11
signal tier ≥ 2
New smart buyers
6
Q1 2026
Options barometer
1.4×
$6.1M calls / $4.4M puts

Institutional value by quarter

$3.24B
Q1 2024
$3.29B
Q2 2024
$3.58B
Q3 2024
$3.11B
Q4 2024
$3.98B
Q1 2025
$5.02B
Q2 2025
$4.19B
Q3 2025
$3.61B
Q4 2025
$4.32B
Q1 2026

Number of holders

278
Q1 2024
269
Q2 2024
249
Q3 2024
257
Q4 2024
293
Q1 2025
276
Q2 2025
296
Q3 2025
294
Q4 2025
320
Q1 2026

Who owns ALGM?

Q1 2026 filings
FundTypeSharesValue% of fundChange
FMR LLC Long only active27.4M$864.6M0.0%+16.0%
BlackRock, Inc. Index provider12.5M$394.0M0.0%+2.4%
Capital Research Global Investors Long only active12.4M$392.1M0.1%-5.2%
Invesco Ltd. Index provider8.8M$275.9M0.0%+14.4%
VANGUARD PORTFOLIO MANAGEMENT LLC Diversified mechanical7.9M$249.7M0.0%
JPMORGAN CHASE & CO Bank broker8.7M$242.6M0.0%+17.8%
VANGUARD CAPITAL MANAGEMENT LLC Diversified mechanical5.5M$172.3M0.0%
STATE STREET CORP Index provider5.2M$164.8M0.0%-2.5%
Clearbridge Investments, LLC Other2.9M$90.3M0.1%-1.8%
GEODE CAPITAL MANAGEMENT, LLC Index provider2.5M$77.5M0.0%+2.6%
MORGAN STANLEY Bank broker2.3M$71.7M0.0%+1.9%
DIMENSIONAL FUND ADVISORS LP Quant stat arb2.2M$68.4M0.0%+1.4%
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. Diversified mechanical2.1M$65.6M0.1%+2.2%
PRINCIPAL FINANCIAL GROUP INC Diversified mechanical1.8M$56.5M0.0%+2.8%
LOOMIS SAYLES & CO L P Other1.7M$52.8M0.1%+101.9%
ADAGE CAPITAL PARTNERS GP, L.L.C. Other1.5M$46.2M0.1%-47.8%
VOYA INVESTMENT MANAGEMENT LLC Diversified mechanical1.5M$46.0M0.1%+55.2%
ALLIANCEBERNSTEIN L.P. Long only active1.7M$45.5M0.0%+50.0%
GOLDMAN SACHS GROUP INC Bank broker1.4M$45.3M0.0%+80.5%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC Index provider1.4M$43.8M0.0%+2.1%
NORTHERN TRUST CORP Index provider1.0M$33.0M0.0%+3.0%
SEGALL BRYANT & HAMILL, LLC Other1.0M$32.9M0.5%-16.3%
RAYMOND JAMES FINANCIAL INC Bank broker995.8K$31.4M0.0%+9.6%
Nuveen, LLC Diversified mechanical947.5K$29.9M0.0%+291.6%
KENNEDY CAPITAL MANAGEMENT LLC Other910.0K$28.7M0.6%+1928.6%
BANK OF AMERICA CORP /DE/ Bank broker855.5K$27.0M0.0%+48.3%
VANGUARD FIDUCIARY TRUST CO Diversified mechanical765.9K$24.1M0.0%
Bank of New York Mellon Corp Diversified mechanical743.3K$23.4M0.0%-1.0%
MARSHALL WACE, LLP Quant stat arb739.8K$23.3M0.0%+3.5%
Aperture Investors, LLC ★2Fundamental diversified709.7K$22.4M2.8%New
SILVERCREST ASSET MANAGEMENT GROUP LLC Other707.9K$22.3M0.2%+4.8%
WELLINGTON MANAGEMENT GROUP LLP Long only active673.1K$21.2M0.0%-39.2%
GW&K Investment Management, LLC Other659.6K$20.8M0.2%-1.4%
TWO SIGMA INVESTMENTS, LP Quant stat arb639.8K$20.2M0.0%+105.8%
T. Rowe Price Investment Management, Inc. Long only active561.3K$17.7M0.0%+16.8%
LORD, ABBETT & CO. LLC Other530.5K$16.7M0.1%New
Lightrock Netherlands B.V. ★2Fundamental diversified508.0K$16.0M3.4%+43.3%
Talos Eurisko Asset Management LP ★2Fundamental concentrated493.2K$15.5M2.7%-12.0%
S SQUARED TECHNOLOGY, LLC ★3Fundamental concentrated457.5K$14.4M5.5%Held
UBS Group AG Bank broker435.4K$13.7M0.0%+58.7%
FIRST TRUST ADVISORS LP Index provider414.9K$13.1M0.0%-7.6%
CITADEL ADVISORS LLC Multistrat pod399.4K$12.6M0.0%-84.4%
AMERIPRISE FINANCIAL INC Bank broker359.3K$11.3M0.0%-3.8%
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC Bank broker345.1K$10.9M0.0%+4.3%
AQR CAPITAL MANAGEMENT LLC Quant stat arb345.1K$10.3M0.0%+5.2%
Allspring Global Investments Holdings, LLC Diversified mechanical307.6K$10.2M0.0%-13.6%
Gotham Asset Management, LLC Diversified mechanical312.2K$9.8M0.0%+327.2%
RHUMBLINE ADVISERS Diversified mechanical308.4K$9.7M0.0%+2.7%
JACOBS LEVY EQUITY MANAGEMENT, INC Other308.1K$9.7M0.0%New
Man Group plc Quant stat arb306.3K$9.7M0.0%-20.9%

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