Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in MMLP held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Invesco Ltd. | 7.2M | $19.9M | 0.0% | 18.468% | 0.00% |
| 2 | NOMURA HOLDINGS INC | 3.6M | $9.8M | 0.0% | 9.127% | 0.03% |
| 3 | BARCLAYS PLC | 1.5M | $4.1M | 0.0% | 3.841% | 0.00% |
| 4 | KIM, LLC | 1.0M | $2.8M | +1.0% | 2.568% | 0.41% |
| 5 | Blackstone Inc | 975K | $2.7M | 0.0% | 2.497% | 0.01% |
| 6 | MORGAN STANLEY | 846K | $2.3M | +8.0% | 2.166% | 0.00% |
| 7 | BANK OF AMERICA CORP /DE/ | 547K | $1.5M | +0.8% | 1.401% | 0.00% |
| 8 | HIGHLAND CAPITAL MANAGEMENT FUND ADVISORS, L.P. | 408K | $1.1M | 0.0% | 1.045% | 0.08% |
| 9 | De Lisle Partners LLP | 335K | $901K | 0.0% | 0.859% | 0.11% |
| 10 | Artisan Partners Limited Partnership | 115K | $317K | 0.0% | 0.294% | 0.00% |
| 11 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 105K | $288K | +20.7% | 0.268% | 0.00% |
| 12 | LEVIN CAPITAL STRATEGIES, L.P. | 55K | $152K | 0.0% | 0.141% | 0.01% |
| 13 | ADVISOR GROUP HOLDINGS, INC. | 45K | $125K | -8.2% | 0.116% | 0.00% |
| 14 | Annis Gardner Whiting Capital Advisors, LLC | 44K | $121K | — | 0.112% | 0.02% |
| 15 | COMMONWEALTH EQUITY SERVICES, LLC | 36K | $99K | +0.0% | 0.092% | 0.00% |
| 16 | Confluence Wealth Services, Inc. | 33K | $90K | +0.2% | 0.083% | 0.00% |
| 17 | UBS Group AG | 29K | $80K | -4.4% | 0.074% | 0.00% |
| 18 | MONETA GROUP INVESTMENT ADVISORS LLC | 28K | $77K | +0.2% | 0.072% | 0.00% |
| 19 | GEODE CAPITAL MANAGEMENT, LLC | 26K | $73K | 0.0% | 0.068% | 0.00% |
| 20 | AGP FRANKLIN, LLC | 15K | $41K | -52.6% | 0.038% | 0.02% |
| 21 | Pettinga Financial Advisors, LLC | 13K | $35K | 0.0% | 0.032% | 0.01% |
| 22 | Independent Advisor Alliance | 12K | $34K | +0.0% | 0.032% | 0.00% |
| 23 | LPL Financial LLC | 12K | $32K | -3.8% | 0.030% | 0.00% |
| 24 | RAYMOND JAMES FINANCIAL INC | 11K | $29K | -27.7% | 0.027% | 0.00% |
| 25 | Meriwether Wealth & Planning, LLC | 10K | $29K | +0.9% | 0.027% | 0.02% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in MMLP — a direct measure of their conviction.
Filings activity in MMLP during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 36 | 12% | 44.72% | +1.03 pp | $47M | +2.4% |
| Q4 2025 | 41 | +2.5% | 43.69% | 7.18 pp | $46M | 14% |
| Q3 2025 | 40 | +0.0% | 50.87% | 149.12 pp | $53M | 95% |
| Q2 2025 | 40 | +29% | 199.99% | +146.94 pp | $1.04B | +1773% |
| Q1 2025 | 31 | 18% | 53.05% | 1.06 pp | $56M | 2.0% |
| Q4 2024 | 38 | +15% | 54.11% | +4.39 pp | $57M | +8.8% |
| Q3 2024 | 33 | 13% | 49.72% | +9.36 pp | $52M | +23% |
| Q2 2024 | 38 | — | 40.36% | — | $42M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying MMLP stock.
Based on Q1 2026 13F filings, institutional ownership of Martin Midstream Partners L.P. stands at 44.7%, held across 36 reporting institutions.
Invesco Ltd. is the largest reported institutional holder of MMLP, with approximately 7,212,745 shares worth $0.02B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of MMLP, including SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for MMLP is 47 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
2 institutions opened new positions in MMLP during Q1 2026, while 7 fully exited. 27 added to existing positions and 4 trimmed.
MMLP institutional ownership rose by 1.03 percentage points quarter-over-quarter, with a net change of -5 holders.
The top 10 institutions account for 97.1% of all reported 13F value in MMLP, and the top 25 account for 99.9%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Martin Midstream Partners L.P. (MMLP) Institutional Ownership