Allegro MicroSystems
ALGM
291 hedge funds and large institutions have $3.96B invested in Allegro MicroSystems in 2025 Q1 according to their latest regulatory filings, with 69 funds opening new positions, 105 increasing their positions, 82 reducing their positions, and 33 closing their positions.
150% more funds holding in top 10
Funds holding in top 10: 2 → 5 (+3)
109% more first-time investments, than exits
New positions opened: 69 | Existing positions closed: 33
28% more repeat investments, than reductions
Existing positions increased: 105 | Existing positions reduced: 82
28% more capital invested
Capital invested by funds: $3.11B → $3.96B (+$854M)
14% more funds holding
Funds holding: 256 → 291 (+35)
8.35% more ownership
Funds ownership: 77.22% → 85.57% (+8.3%)
51% less call options, than puts
Call options by funds: $38.2M | Put options by funds: $78.8M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Capital Research Global Investors
Los Angeles,
California
|
+$132M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
+$103M |
| 3 |
FCM
Frontier Capital Management
Boston,
Massachusetts
|
+$70.3M |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$68.8M |
| 5 |
Invesco
Atlanta,
Georgia
|
+$68.6M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Westfield Capital Management
Boston,
Massachusetts
|
-$48.5M |
| 2 |
WP
Woodline Partners
San Francisco,
California
|
-$45.3M |
| 3 |
JP Morgan Chase
New York
|
-$38.3M |
| 4 |
PP
Paloma Partners
Greenwich,
Connecticut
|
-$34.8M |
| 5 |
Two Sigma Investments
New York
|
-$33.1M |
ALGM Hedge Fund Activity: Q1 2025 in Review
291 of the 7,472 institutional investors tracked by Wall St. Rank reported a position in Allegro MicroSystems (ALGM) for Q1 2025, worth a combined $3.96B — up 28% from $3.11B a quarter earlier.
Buyers outnumbered sellers: 69 funds opened new ALGM positions and 33 closed out — a net gain of 36 holders — while 105 added to existing stakes and 82 trimmed.
The largest buyer was Capital Research Global Investors, adding an estimated $132M. The largest seller was Westfield Capital Management, cutting an estimated $48.5M.
- 291 institutional investors held Allegro MicroSystems (ALGM) as of Q1 2025, up from 256 in Q4 2024.
- Funds reported $3.96B of Allegro MicroSystems stock for Q1 2025, up 28% quarter-over-quarter.
- 69 funds opened new Allegro MicroSystems positions in Q1 2025 and 33 closed out, a net change of +36 holders.
- The largest Allegro MicroSystems buyer in Q1 2025 was Capital Research Global Investors, an estimated $132M added.
- The largest Allegro MicroSystems seller in Q1 2025 was Westfield Capital Management, an estimated $48.5M sold.
Based on aggregated 13F filings for Q1 2025.