Allegro MicroSystems
ALGM
296 hedge funds and large institutions have $3.97B invested in Allegro MicroSystems in 2025 Q3 according to their latest regulatory filings, with 67 funds opening new positions, 78 increasing their positions, 108 reducing their positions, and 42 closing their positions.
60% more first-time investments, than exits
New positions opened: 67 | Existing positions closed: 42
8% more funds holding
Funds holding: 273 → 296 (+23)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
5.52% less ownership
Funds ownership: 78.97% → 73.44% (-5.5%)
21% less capital invested
Capital invested by funds: $5B → $3.97B (-$1.03B)
28% less repeat investments, than reductions
Existing positions increased: 78 | Existing positions reduced: 108
91% less call options, than puts
Call options by funds: $13.5M | Put options by funds: $158M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Capital Research Global Investors
Los Angeles,
California
|
+$29.8M |
| 2 |
Point72 Asset Management
Stamford,
Connecticut
|
+$22.4M |
| 3 |
Bank of America
Charlotte,
North Carolina
|
+$16M |
| 4 |
Squarepoint
New York
|
+$11M |
| 5 |
CSS
Cubist Systematic Strategies
Stamford,
Connecticut
|
+$8.85M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
-$47.7M |
| 2 |
FCM
Frontier Capital Management
Boston,
Massachusetts
|
-$47.6M |
| 3 |
SPPAM
Summit Partners Public Asset Management
Boston,
Massachusetts
|
-$39.5M |
| 4 |
Citadel Advisors
Miami,
Florida
|
-$38.4M |
| 5 |
Neuberger Berman Group
New York
|
-$32.2M |
ALGM Hedge Fund Activity: Q3 2025 in Review
296 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Allegro MicroSystems (ALGM) for Q3 2025, worth a combined $3.97B — down 21% from $5B a quarter earlier.
Buyers outnumbered sellers: 67 funds opened new ALGM positions and 42 closed out — a net gain of 25 holders — while 78 added to existing stakes and 108 trimmed.
The largest buyer was Capital Research Global Investors, adding an estimated $29.8M. The largest seller was Wellington Management Group, cutting an estimated $47.7M.
- 296 institutional investors held Allegro MicroSystems (ALGM) as of Q3 2025, up from 273 in Q2 2025.
- Funds reported $3.97B of Allegro MicroSystems stock for Q3 2025, down 21% quarter-over-quarter.
- 67 funds opened new Allegro MicroSystems positions in Q3 2025 and 42 closed out, a net change of +25 holders.
- The largest Allegro MicroSystems buyer in Q3 2025 was Capital Research Global Investors, an estimated $29.8M added.
- The largest Allegro MicroSystems seller in Q3 2025 was Wellington Management Group, an estimated $47.7M sold.
Based on aggregated 13F filings for Q3 2025.