Orion Energy Systems, Inc. - Common Stock, no par value (OESX)

CUSIP: 686275108

Q4 2019 13F Holders as of 31 Dec 2019

Holder snapshot 7 signals
Share change
+1,230,731
Put/Call ratio
49%
SEC-reported price per share
$3.35
Number of holders
53
Value change
+$4,208,031
Number of buys
23
Open additional details 1 more signal available
Number of sells
21
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
4,056,597

Security key

686275108

Report period

Q4 2019

Institutions

53

Top holders

10

Ownership snapshot

Top reported holders of OESX - Orion Energy Systems, Inc. - Common Stock, no par value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
North Star Investment Man...
Disclosed value leader
North Star Investment Man...
Comparable rows
15/15
Latest evidence
30 Sep 2019
13F Lead comparable stake: 101% Showing 1-6 of 15 holder rows.

Quick read

North Star Investment Management Corp. leads the comparable SEC ownership view at 101%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens North Star Investment Management Corp.'s linked filing trail.
Comparable ownership Top 5
North Star Investment Management ... 101%
RENAISSANCE TECHNOLOGIES LLC 45%
VANGUARD GROUP INC 34%
ARIEL INVESTMENTS, LLC 15%
HEARTLAND ADVISORS INC 12%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
North Star Investment Management Corp.
13F
Company
13F
101%
$11,658,000
4,090,585 shares
30 Sep 2019
RENAISSANCE TECHNOLOGIES LLC
13F
Company
13F
45%
$5,186,000
1,819,762 shares
30 Sep 2019
VANGUARD GROUP INC
13F
Company
13F
34%
$3,911,000
1,372,399 shares
30 Sep 2019
ARIEL INVESTMENTS, LLC
13F
Company
13F
15%
$1,739,000
610,242 shares
30 Sep 2019
HEARTLAND ADVISORS INC
13F
Company
13F
12%
$1,425,000
500,000 shares
30 Sep 2019
Erste Asset Management GmbH
13F
Company
13F
9.9%
$1,128,000
400,000 shares
30 Sep 2019
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2019

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
53
Shares
13,268,372
Rows available
53
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2019 vs Q3 2025 Across Filers

Q3 2025 holders
3
Q4 2019 holders
53
Holder diff
50
Investor Q3 2025 Shares Q4 2019 Shares Share Diff Share Chg % Q3 2025 value Q4 2019 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .