MXC
Mexco Energy CorpCompany with tickers: MXC
CIK
66418
CUSIP
592770101
Shares Outstanding
2,046,000
13F Activity (30d)
13 filings
12 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 17
Total Value: $2,312,882
Total Shares: 226,310
Institutional Ownership Trend
25 quarters
Holder Concentration
Across 17 13F filers · Δ vs Dec 31, 2025Top Holder
25.3%
+1.9 pts
Top 5
90.2%
+1.9 pts
Top 10
99.8%
−0.1 pts
HHI
1,917
Moderately concentrated+72
Quarterly Activity
vs Dec 31, 2025
New
6
Increased
3
Decreased
4
Sold Out
6
Unchanged
4
Holder count:
0
Institutional value:
-12.1%
Shares held:
-14.8%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega DIMENSIONAL FUND ADVISORS LP | +957 | 38,314 | |
| Mega CITIGROUP INC | +74 | 75 | |
| Mega ROYAL BANK OF CANADA | +1 | 3 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Large Corient Private Wealth LLC | −4,500 | 10,100 | |
| Mega UBS Group AG | −97 | 5 | |
| Mid Tower Research Capital LLC (TRC) | −28 | 372 | |
| Mega NORTHERN TRUST CORP | −17 | 57,320 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 55,667 | $568,916 | |
| Large FIRST MANHATTAN CO. LLC. | 40,663 | $415,575 | |
| Mega JANE STREET GROUP, LLC | 12,270 | $125,399 | |
| Mega VANGUARD FIDUCIARY TRUST CO | 6,428 | $65,694 | |
| Mega MORGAN STANLEY | 200 | $2,044 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Small BEDDOW CAPITAL MANAGEMENT INC | 62,295 | $617,343 | |
| Mega VANGUARD GROUP INC | 62,095 | $615,360 | |
| Small Meixler Investment Management, Ltd. | 15,651 | $155,101 | |
| Small Fruth Investment Management | 10,819 | $107,216 | |
| Micro Roble, Belko & Company, Inc | 200 | $1,982 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mega NORTHERN TRUST CORP Bank | $585,810 | 25.33% | 57,320 | Shares | Defined | 2026-05-14 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $568,916 | 24.60% | 55,667 | Shares | Defined | 2026-05-15 | ||||
| Large FIRST MANHATTAN CO. LLC. | $415,575 | 17.97% | 40,663 | Shares | Sole | 2026-05-15 | ||||
| Mega DIMENSIONAL FUND ADVISORS LP | $391,569 | 16.93% | 38,314 | Shares | Sole | 2026-05-07 | ||||
| Mega JANE STREET GROUP, LLC | $125,399 | 5.42% | 12,270 | Shares | Defined | 2026-05-12 | ||||
| Large Corient Private Wealth LLC | $103,222 | 4.46% | 10,100 | Shares | Sole | 2026-05-15 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $65,694 | 2.84% | 6,428 | Shares | Defined | 2026-05-08 | ||||
| Small CALDWELL SUTTER CAPITAL, INC. | $40,880 | 1.77% | 4,000 | Shares | Sole | 2026-05-06 | ||||
| Large ACADIAN ASSET MANAGEMENT LLC | $7,164 | 0.31% | 701 | Shares | Defined | 2026-05-13 | ||||
| Mid Tower Research Capital LLC (TRC) | $3,801 | 0.16% | 372 | Shares | Defined | 2026-05-15 | ||||
| Mega MORGAN STANLEY | $2,044 | 0.09% | 200 | Shares | Defined | 2026-05-15 | ||||
| Mega FMR LLC | $1,635 | 0.07% | 160 | Shares | Defined | 2026-05-15 | ||||
| Mega CITIGROUP INC | $766 | 0.03% | 75 | Shares | Defined | 2026-05-11 | ||||
| Large NewEdge Advisors, LLC | $224 | 0.01% | 22 | Shares | Sole | 2026-06-03 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $102 | 0.00% | 10 | Shares | Defined | 2026-04-28 | ||||
| Mega UBS Group AG | $51 | 0.00% | 5 | Shares | Defined | 2026-05-05 | ||||
| Mega ROYAL BANK OF CANADA Bank | $30 | 0.00% | 3 | Shares | Defined | 2026-05-15 | ||||
| No holders match your search. | ||||||||||