Martin Midstream Partners L.P.
MMLP- Exchange
- Nasdaq
- Industry
- Wholesale-Petroleum Bulk Stations & Terminals
- SEC CIK
- 0001176334
No open-market purchases or sales by Martin Midstream Partners L.P. insiders were filed in the last 90 days; 35 institutions reported holding it in 13F filings for Q2 2026, worth $40.0M in total; no superinvestor holds it.
Holders of 5% or more of MMLP
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Martin Midstream Partners L.P., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Martin Ruben S | 13D/A | 29.40%11.5M shares | +1.60 ppfrom 27.80% | Dec 30, 20244 filings | Jun 11, 2025 | SEC |
| Martin Resource Management Corp | 13D/A | 19.40%7.59M shares | +1.50 ppfrom 17.90% | Dec 30, 20244 filings | Jun 11, 2025 | SEC |
| Nomura Holdings Inc | 13G/A | 9.80%3.84M shares | +1.00 ppfrom 8.80% | May 15, 20252 filings | Aug 14, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
12 Schedule 13D and 13G filings on Martin Midstream Partners L.P., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 20255:36 PM ET | Nomura Holdings Incand 1 other | 13G/A | 9.80%3.84M shares | +1.00 ppfrom 8.80% | Jun 30, 2025 | SEC |
| Jun 11, 20254:34 PM ET | Martin Resource Management Corpand 3 others | 13D/A | 19.40%7.59M shares | +1.50 ppfrom 17.90% | Jun 10, 2025 | SEC |
| Jun 11, 20254:33 PM ET | Martin Ruben Sand 1 other | 13D/A | 29.40%11.5M shares | +1.60 ppfrom 27.80% | Jun 10, 2025 | SEC |
| Jun 4, 20254:26 PM ET | Martin Resource Management Corpand 3 others | 13D/A | 17.90%6.98M shares | +1.10 ppfrom 16.80% | Jun 3, 2025 | SEC |
| Jun 4, 20254:23 PM ET | Martin Ruben Sand 1 other | 13D/A | 27.80%10.9M shares | +1.10 ppfrom 26.70% | Jun 3, 2025 | SEC |
| May 15, 20254:43 PM ET | Nomura Holdings Incand 1 other | 13G | 8.80%3.42M shares | New | Mar 31, 2025 | SEC |
| May 13, 202511:35 AM ET | Goldman Sachs Group Incand 1 other | 13G/A | 1.30%500.0K shares | −6.30 ppfrom 7.60%Below 5% | Mar 31, 2025 | SEC |
| May 1, 20254:36 PM ET | Martin Resource Management Corpand 3 others | 13D/A | 16.80%6.56M shares | +1.10 ppfrom 15.70% | Apr 29, 2025 | SEC |
| May 1, 20254:33 PM ET | Martin Ruben Sand 1 other | 13D/A | 26.70%10.4M shares | +1.10 ppfrom 25.60% | Apr 29, 2025 | SEC |
| Feb 11, 20255:26 PM ET | Goldman Sachs Group Incand 1 other | 13G/A | 7.60%2.97M shares | – | Dec 31, 2024 | SEC |
| Dec 30, 20249:19 PM ET | Martin Ruben Sand 1 other | 13D | 25.60%10.0M shares | New | Dec 26, 2024 | SEC |
| Dec 30, 20249:16 PM ET | Martin Resource Management Corpand 3 others | 13D | 15.70%6.11M shares | New | Dec 26, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Martin Midstream Partners L.P. shares.
No Form 144 notices for Martin Midstream Partners L.P. are on file.