Allegro MicroSystems
ALGM
273 hedge funds and large institutions have $5B invested in Allegro MicroSystems in 2025 Q2 according to their latest regulatory filings, with 53 funds opening new positions, 95 increasing their positions, 103 reducing their positions, and 68 closing their positions.
26% more capital invested
Capital invested by funds: $3.96B → $5B (+$1.04B)
8% less repeat investments, than reductions
Existing positions increased: 95 | Existing positions reduced: 103
6% less funds holding
Funds holding: 291 → 273 (-18)
6.6% less ownership
Funds ownership: 85.57% → 78.97% (-6.6%)
22% less first-time investments, than exits
New positions opened: 53 | Existing positions closed: 68
80% less funds holding in top 10
Funds holding in top 10: 5 → 1 (-4)
87% less call options, than puts
Call options by funds: $33M | Put options by funds: $261M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Capital Research Global Investors
Los Angeles,
California
|
+$121M |
| 2 |
AllianceBernstein
Nashville,
Tennessee
|
+$45M |
| 3 |
Invesco
Atlanta,
Georgia
|
+$35.3M |
| 4 |
Neuberger Berman Group
New York
|
+$19.6M |
| 5 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
+$18.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$70.1M |
| 2 |
Millennium Management
New York
|
-$42.9M |
| 3 |
FGP
Freestone Grove Partners
San Francisco,
California
|
-$40.3M |
| 4 |
SPPAM
Summit Partners Public Asset Management
Boston,
Massachusetts
|
-$27.8M |
| 5 |
JP Morgan Chase
New York
|
-$24.5M |
ALGM Hedge Fund Activity: Q2 2025 in Review
273 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Allegro MicroSystems (ALGM) for Q2 2025, worth a combined $5B — up 26% from $3.96B a quarter earlier.
Sellers outnumbered buyers: 68 funds closed out of ALGM and 53 opened new positions — a net loss of 15 holders — while 103 trimmed existing stakes and 95 added.
The largest buyer was Capital Research Global Investors, adding an estimated $121M. The largest seller was Citadel Advisors, cutting an estimated $70.1M.
- 273 institutional investors held Allegro MicroSystems (ALGM) as of Q2 2025, down from 291 in Q1 2025.
- Funds reported $5B of Allegro MicroSystems stock for Q2 2025, up 26% quarter-over-quarter.
- 53 funds opened new Allegro MicroSystems positions in Q2 2025 and 68 closed out, a net change of -15 holders.
- The largest Allegro MicroSystems buyer in Q2 2025 was Capital Research Global Investors, an estimated $121M added.
- The largest Allegro MicroSystems seller in Q2 2025 was Citadel Advisors, an estimated $70.1M sold.
Based on aggregated 13F filings for Q2 2025.