MMLP
Martin Midstream Partners L.P.
Customer concentration
— top customer 15% of revenue
One customer — 15% of revenue (the three months ended March 31, 2026)
“Our sales to Martin Resource Management Corporation accounted for approximately 15% and 14% of our total revenues for the three months ended March 31, 2026 and 2025, respectively.”
One customer — 14% of revenue (the three months ended March 31, 2025)
“Our sales to Martin Resource Management Corporation accounted for approximately 15% and 14% of our total revenues for the three months ended March 31, 2026 and 2025, respectively.”
Company with tickers: MMLP
CIK
1176334
CUSIP
573331105
Shares Outstanding
39,124,686
Website
https://www.mmlp.com
Investor Relations
https://mmlp.com/home/default.aspx
13F Activity (30d)
7 filings
5 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: 39
Total Value: $48,591,145
Total Shares: 17,605,494
Institutional Ownership Trend
29 quarters
Holder Concentration
Across 39 13F filers · Δ vs Dec 31, 2025Top Holder
41.0%
−0.1 pts
Top 5
81.0%
−0.2 pts
Top 10
96.5%
+0.0 pts
HHI
2,278
Moderately concentrated−11
Quarterly Activity
vs Dec 31, 2025
New
2
Increased
11
Decreased
6
Sold Out
4
Unchanged
20
Holder count:
-2
Institutional value:
+6.1%
Shares held:
+0.3%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega MORGAN STANLEY | +62,480 | 845,852 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | +17,921 | 104,523 | |
| Small KIM, LLC | +9,762 | 1,002,819 | |
| Mega BANK OF AMERICA CORP /DE/ | +4,547 | 547,270 | |
| Mega BNP PARIBAS ARBITRAGE, SA | +1,760 | 4,198 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega JPMORGAN CHASE & CO | −23,369 | 592,219 | |
| Small AGP FRANKLIN, LLC | −16,307 | 14,693 | |
| Large OSAIC HOLDINGS, INC. | −4,060 | 45,348 | |
| Mega RAYMOND JAMES FINANCIAL INC | −4,050 | 10,594 | |
| Mega UBS Group AG | −1,346 | 28,981 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Small Annis Gardner Whiting Capital Advisors, LLC | 43,794 | $120,871 | |
| Mid HARBOUR INVESTMENTS, INC. | 400 | $1,104 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega JANE STREET GROUP, LLC | 24,068 | $62,816 | |
| Large COMMERCE BANK | 10,844 | $28,302 | |
| Mid GROUP ONE TRADING LLC | 900 | $2,349 | |
| Micro Wealth Preservation Advisors, LLC | 500 | $1,305 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mega Invesco Ltd. | $19,907,176 | 40.97% | 7,212,745 | Shares | Defined | 2026-05-12 | ||||
| Large NOMURA HOLDINGS INC | $9,838,348 | 20.25% | 3,564,619 | Shares | Defined | 2026-05-15 | ||||
| Mega BARCLAYS PLC | $4,140,000 | 8.52% | 1,500,000 | Shares | Defined | 2026-05-15 | ||||
| Small KIM, LLC | $2,767,780 | 5.70% | 1,002,819 | Shares | Defined | 2026-05-12 | ||||
| Large Blackstone Inc. | $2,691,223 | 5.54% | 975,081 | Shares | Other | 2026-05-15 | ||||
| Mega MORGAN STANLEY | $2,334,550 | 4.80% | 845,852 | Shares | Defined | 2026-05-15 | ||||
| Mega JPMORGAN CHASE & CO | $1,634,524 | 3.36% | 592,219 | Shares | Defined | 2026-05-13 | ||||
| Mega BANK OF AMERICA CORP /DE/ Bank | $1,510,465 | 3.11% | 547,270 | Shares | Defined | 2026-05-18 | ||||
| Mid NEXPOINT ASSET MANAGEMENT, L.P. | $1,126,742 | 2.32% | 408,240 | Shares | Sole | 2026-05-15 | ||||
| Small De Lisle Partners LLP | $925,797 | 1.91% | 335,434 | Shares | Sole | 2026-05-13 | ||||
| Large Artisan Partners Limited Partnership | $317,220 | 0.65% | 114,935 | Shares | Sole | 2026-05-13 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $260,882 | 0.54% | 94,523 | Shares | Other | 2026-05-15 | ||||
| Mid LEVIN CAPITAL STRATEGIES, L.P. | $151,800 | 0.31% | 55,000 | Shares | Other | 2026-05-13 | ||||
| Large OSAIC HOLDINGS, INC. | $125,160 | 0.26% | 45,348 | Shares | Defined | 2026-05-15 | ||||
| Small Annis Gardner Whiting Capital Advisors, LLC | $120,871 | 0.25% | 43,794 | Shares | Sole | 2026-05-06 | ||||
| Large COMMONWEALTH EQUITY SERVICES, LLC | $98,741 | 0.20% | 35,776 | Shares | Sole | 2026-04-27 | ||||
| Small Confluence Wealth Services, Inc. | $89,771 | 0.18% | 32,526 | Shares | Sole | 2026-05-07 | ||||
| Mega UBS Group AG | $79,987 | 0.16% | 28,981 | Shares | Defined | 2026-05-05 | ||||
| Mid MONETA GROUP INVESTMENT ADVISORS LLC | $77,324 | 0.16% | 28,016 | Shares | Sole | 2026-05-12 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $73,101 | 0.15% | 26,486 | Shares | Defined | 2026-05-15 | ||||
| Small AGP FRANKLIN, LLC | $40,552 | 0.08% | 14,693 | Shares | Sole | 2026-04-17 | ||||
| Small Pettinga Financial Advisors LLC | $34,569 | 0.07% | 12,525 | Shares | Sole | 2026-04-13 | ||||
| Mid Independent Advisor Alliance | $34,077 | 0.07% | 12,347 | Shares | Sole | 2026-05-12 | ||||
| Micro Ipsen Advisor Group LLC | $32,297 | 0.07% | 11,702 | Shares | Sole | 2026-05-29 | ||||
| Mega LPL Financial LLC | $31,844 | 0.07% | 11,538 | Shares | Sole | 2026-05-06 | ||||
| Mega RAYMOND JAMES FINANCIAL INC | $29,239 | 0.06% | 10,594 | Shares | Defined | 2026-05-14 | ||||
| Micro Meriwether Wealth & Planning, LLC | $28,632 | 0.06% | 10,374 | Shares | Sole | 2026-04-09 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $27,600 | 0.06% | 10,000 | Call | Other | 2026-05-15 | ||||
| Large US BANCORP \DE\ Bank | $24,840 | 0.05% | 9,000 | Shares | Defined | 2026-05-15 | ||||
| Mega WELLS FARGO & COMPANY/MN | $13,589 | 0.03% | 4,924 | Shares | Defined | 2026-05-11 | ||||
| Mega BNP PARIBAS ARBITRAGE, SA | $11,586 | 0.02% | 4,198 | Shares | Defined | 2026-05-12 | ||||
| Mid Spire Wealth Management | $2,972 | 0.01% | 1,077 | Shares | Sole | 2026-04-22 | ||||
| Mid INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC | $2,406 | 0.00% | 872 | Shares | Sole | 2026-05-01 | ||||
| Large JONES FINANCIAL COMPANIES LLLP | $1,380 | 0.00% | 500 | Shares | Sole | 2026-05-15 | ||||
| Small TSFG, LLC | $1,104 | 0.00% | 400 | Shares | Sole | 2026-04-27 | ||||
| Mega ROYAL BANK OF CANADA Bank | $1,104 | 0.00% | 400 | Shares | Defined | 2026-05-15 | ||||
| Mid HARBOUR INVESTMENTS, INC. | $1,104 | 0.00% | 400 | Shares | Sole | 2026-05-15 | ||||
| Large NewEdge Advisors, LLC | $510 | 0.00% | 185 | Shares | Sole | 2026-06-03 | ||||
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund | $276 | 0.00% | 100 | Shares | Defined | 2026-05-15 | ||||
| Large HUNTINGTON NATIONAL BANK Bank | $2 | 0.00% | 1 | Shares | Defined | 2026-05-15 | ||||
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