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Penbrook Management’s Orion Energy Systems OESX Stock Holding History

Penbrook Management’s Portfolio OESX Stock Details OESX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-16,644
Closed -$146K – 104
2025
Q3 		$146K Sell
16,644
-1,349
-7% -$9.42K 0.1% 96
2025
Q2 		$108K Sell
17,993
-15,767
-47% -$107K 0.08% 95
2025
Q1 		$243K Sell
33,760
-325
-1% -$2.63K 0.18% 93
2024
Q4 		$273K Sell
34,085
-4,565
-12% -$40K 0.19% 86
2024
Q3 		$331K Sell
38,650
-500
-1% -$4.74K 0.22% 78
2024
Q2 		$435K Sell
39,150
-1,375
-3% -$13.4K 0.27% 71
2024
Q1 		$353K Sell
40,525
-620
-2% -$6.11K 0.22% 75
2023
Q4 		$357K Sell
41,145
-330
-0.8% -$3.25K 0.24% 76
2023
Q3 		$523K Hold
41,475
– – 0.38% 57
2023
Q2 		$676K Hold
41,475
– – 0.49% 49
2023
Q1 		$842K Sell
41,475
-2,170
-5% -$41.1K 0.65% 44
2022
Q4 		$794K Hold
43,645
– – 0.68% 41
2022
Q3 		$681K Buy
43,645
+1,513
+4% +$26.8K 0.59% 49
2022
Q2 		$847K Sell
42,132
-230
-0.5% -$5.66K 0.67% 43
2022
Q1 		$1.19M Hold
42,362
– – 0.77% 38
2021
Q4 		$1.53M Buy
42,362
+75
+0.2% +$2.9K 0.92% 30
2021
Q3 		$1.65M Buy
42,287
+10,989
+35% +$508K 1.02% 31
2021
Q2 		$1.79M Sell
31,298
-140
-0.4% -$8.5K 1.07% 30
2021
Q1 		$2.19M Sell
31,438
-6,158
-16% -$575K 1.57% 15
2020
Q4 		$3.71M Hold
37,596
– – 2.86% 5
2020
Q3 		$2.85M Buy
37,596
+2,200
+6% +$120K 2.47% 7
2020
Q2 		$1.23M Buy
35,396
+1,170
+3% +$47.9K 1.2% 24
2020
Q1 		$1.27M Buy
34,226
+581
+2% +$25.4K 1.62% 14
2019
Q4 		$1.13M Sell
33,645
-2,010
-6% -$60.4K 1.1% 30
2019
Q3 		$1.02M Sell
35,655
-530
-1% -$15.1K 1.1% 29
2019
Q2 		$1.07M Sell
36,185
-31,390
-46% -$624K 1.15% 26
2019
Q1 		$598K Buy
67,575
+830
+1% +$7.66K 0.62% 54
2018
Q4 		$381K Buy
+66,745
New +$556K 0.43% 71
2014
Q1 		– Sell
-6,213
Closed -$422K – 111
2013
Q4 		$422K Buy
+6,213
New +$329K 0.41% 77

Other funds holding OESX

NSIM
North Star Investment Management Chicago, Illinois $1.84B AUM 28.81% 1-Year Est. Return
TCM
Tieton Capital Management Yakima, Washington $348M AUM 45.13% 1-Year Est. Return
GWI
Grace & White Inc Ny, New York $632M AUM 34.34% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
SEI Investments
SEI Investments Oaks, Pennsylvania $113B AUM 34.64% 1-Year Est. Return
US Bancorp
US Bancorp Minneapolis, Minnesota $91.6B AUM 29.2% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Penbrook Management's OESX Position: Q4 2025 in Review

Penbrook Management sold out of Orion Energy Systems (OESX) in Q4 2025, closing a stake of 16,644 shares — an estimated $146K sold.

Penbrook Management first reported a position in OESX in Q4 2013 and held it in 29 quarters. The position peaked at $3.71M in Q4 2020. 26 funds tracked by Wall St. Rank hold OESX as of Q4 2025.

  • Penbrook Management reported no remaining Orion Energy Systems position as of Q4 2025 after selling out during the quarter.
  • Penbrook Management sold 16,644 Orion Energy Systems shares in Q4 2025, an estimated $146K.
  • Penbrook Management first reported a position in Orion Energy Systems in Q4 2013 and held it in 29 quarters.
  • Penbrook Management's Orion Energy Systems position peaked at $3.71M in Q4 2020.
  • 26 funds tracked by Wall St. Rank held Orion Energy Systems as of Q4 2025.

Based on Penbrook Management's 13F filing for Q4 2025, filed 6 Jan 2026.