Orion Energy Systems
OESX
26 hedge funds and large institutions have $13.6M invested in Orion Energy Systems in 2025 Q3 according to their latest regulatory filings, with 3 funds opening new positions, 9 increasing their positions, 9 reducing their positions, and 13 closing their positions.
53% more capital invested
Capital invested by funds: $8.84M → $13.6M (+$4.72M)
0% more repeat investments, than reductions
Existing positions increased: 9 | Existing positions reduced: 9
0.24% less ownership
Funds ownership: 4.38% → 4.14% (-0.24%)
30% less funds holding
Funds holding: 37 → 26 (-11)
77% less first-time investments, than exits
New positions opened: 3 | Existing positions closed: 13
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
NSIM
North Star Investment Management
Chicago,
Illinois
|
+$123K |
| 2 |
Renaissance Technologies
New York
|
+$56.6K |
| 3 |
US Bancorp
Minneapolis,
Minnesota
|
+$48.3K |
| 4 |
GWI
Grace & White Inc
Ny,
New York
|
+$43K |
| 5 |
TCM
Tieton Capital Management
Yakima,
Washington
|
+$37.4K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
PM
Penbrook Management
New York
|
-$245K |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$87.2K |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$77.2K |
| 4 |
TDC
Thompson Davis & Co
Richmond,
Virginia
|
-$58.2K |
| 5 |
State Street
Boston,
Massachusetts
|
-$52.2K |
OESX Hedge Fund Activity: Q3 2025 in Review
26 of the 7,631 institutional investors tracked by Wall St. Rank reported a position in Orion Energy Systems (OESX) for Q3 2025, worth a combined $13.6M — up 53% from $8.84M a quarter earlier.
Sellers outnumbered buyers: 13 funds closed out of OESX and 3 opened new positions — a net loss of 10 holders — while 9 trimmed existing stakes and 9 added.
The largest buyer was North Star Investment Management, adding an estimated $123K. The largest seller was Penbrook Management, cutting an estimated $245K.
- 26 institutional investors held Orion Energy Systems (OESX) as of Q3 2025, down from 37 in Q2 2025.
- Funds reported $13.6M of Orion Energy Systems stock for Q3 2025, up 53% quarter-over-quarter.
- 3 funds opened new Orion Energy Systems positions in Q3 2025 and 13 closed out, a net change of -10 holders.
- The largest Orion Energy Systems buyer in Q3 2025 was North Star Investment Management, an estimated $123K added.
- The largest Orion Energy Systems seller in Q3 2025 was Penbrook Management, an estimated $245K sold.
Based on aggregated 13F filings for Q3 2025.