Allegro MicroSystems
ALGM
374 hedge funds and large institutions have $10.2B invested in Allegro MicroSystems in 2026 Q2 according to their latest regulatory filings, with 101 funds opening new positions, 117 increasing their positions, 107 reducing their positions, and 43 closing their positions.
400% more funds holding in top 10
Funds holding in top 10: 1 → 5 (+4)
174% more call options, than puts
Call options by funds: $49.9M | Put options by funds: $18.2M
137% more capital invested
Capital invested by funds: $4.32B → $10.2B (+$5.9B)
135% more first-time investments, than exits
New positions opened: 101 | Existing positions closed: 43
16% more funds holding
Funds holding: 322 → 374 (+52)
4.89% more ownership
Funds ownership: 74.67% → 79.56% (+4.9%)
9% more repeat investments, than reductions
Existing positions increased: 117 | Existing positions reduced: 107
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Invesco
Atlanta,
Georgia
|
+$231M |
| 2 |
JP Morgan Chase
New York
|
+$191M |
| 3 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$168M |
| 4 |
BlackRock
New York
|
+$65.2M |
| 5 |
Massachusetts Financial Services
Boston,
Massachusetts
|
+$64.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
-$86.1M |
| 2 |
NAMI
Nomura Asset Management International
Philadelphia,
Pennsylvania
|
-$43.1M |
| 3 |
Marshall Wace
London,
United Kingdom
|
-$34M |
| 4 |
SBH
Segall Bryant & Hamill
Chicago,
Illinois
|
-$33.3M |
| 5 |
AllianceBernstein
Nashville,
Tennessee
|
-$24.4M |
ALGM Hedge Fund Activity: Q2 2026 in Review
374 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in Allegro MicroSystems (ALGM) for Q2 2026, worth a combined $10.2B — up 137% from $4.32B a quarter earlier.
Buyers outnumbered sellers: 101 funds opened new ALGM positions and 43 closed out — a net gain of 58 holders — while 117 added to existing stakes and 107 trimmed.
The largest buyer was Invesco, adding an estimated $231M. The largest seller was Fidelity Investments, cutting an estimated $86.1M.
- 374 institutional investors held Allegro MicroSystems (ALGM) as of Q2 2026, up from 322 in Q1 2026.
- Funds reported $10.2B of Allegro MicroSystems stock for Q2 2026, up 137% quarter-over-quarter.
- 101 funds opened new Allegro MicroSystems positions in Q2 2026 and 43 closed out, a net change of +58 holders.
- The largest Allegro MicroSystems buyer in Q2 2026 was Invesco, an estimated $231M added.
- The largest Allegro MicroSystems seller in Q2 2026 was Fidelity Investments, an estimated $86.1M sold.
Based on aggregated 13F filings for Q2 2026.