Orion Energy Systems
OESX
26 hedge funds and large institutions have $21.7M invested in Orion Energy Systems in 2025 Q4 according to their latest regulatory filings, with 5 funds opening new positions, 6 increasing their positions, 7 reducing their positions, and 5 closing their positions.
78% more capital invested
Capital invested by funds: $12.2M → $21.7M (+$9.48M)
35.76% more ownership
Funds ownership: 4.14% → 39.9% (+36%)
0% more funds holding
Funds holding: 26 → 26 (0)
0% more first-time investments, than exits
New positions opened: 5 | Existing positions closed: 5
14% less repeat investments, than reductions
Existing positions increased: 6 | Existing positions reduced: 7
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SEI Investments
Oaks,
Pennsylvania
|
+$776K |
| 2 |
Marshall Wace
London,
United Kingdom
|
+$586K |
| 3 |
NSIM
North Star Investment Management
Chicago,
Illinois
|
+$307K |
| 4 |
NA
NewEdge Advisors
New Orleans,
Louisiana
|
+$193K |
| 5 |
QC
Quadrature Capital
London,
United Kingdom
|
+$168K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
GWI
Grace & White Inc
Ny,
New York
|
-$940K |
| 2 |
US Bancorp
Minneapolis,
Minnesota
|
-$489K |
| 3 |
AC
Annandale Capital
Dallas,
Texas
|
-$152K |
| 4 |
PM
Penbrook Management
New York
|
-$146K |
| 5 |
Geode Capital Management
Boston,
Massachusetts
|
-$39.6K |
OESX Hedge Fund Activity: Q4 2025 in Review
26 of the 8,270 institutional investors tracked by Wall St. Rank reported a position in Orion Energy Systems (OESX) for Q4 2025, worth a combined $21.7M — up 78% from $12.2M a quarter earlier.
Fund positioning in OESX was balanced in Q4 2025: 5 funds opened new positions, 5 closed out, 6 added to existing stakes and 7 trimmed.
The largest buyer was SEI Investments, opening a new position worth an estimated $776K. The largest seller was Grace & White Inc, cutting an estimated $940K.
- 26 institutional investors held Orion Energy Systems (OESX) as of Q4 2025, unchanged from Q3 2025.
- Funds reported $21.7M of Orion Energy Systems stock for Q4 2025, up 78% quarter-over-quarter.
- 5 funds opened new Orion Energy Systems positions in Q4 2025 and 5 closed out, a net change of 0 holders.
- The largest Orion Energy Systems buyer in Q4 2025 was SEI Investments, an estimated $776K added.
- The largest Orion Energy Systems seller in Q4 2025 was Grace & White Inc, an estimated $940K sold.
Based on aggregated 13F filings for Q4 2025.