5 institutions reported holding $1.9M of MARTEN TRANS LTD (MRTN) in SEC 13F filings for 2026-06-30. Largest institutional holders: CONFLUENCE INVESTMENT MANAGEMENT LLC ($1.3M), Hennion & Walsh Asset Management, Inc. ($371,238), GAMMA Investing LLC ($232,282), MassMutual Private Wealth & Trust, FSB ($21,774), Versant Capital Management, Inc ($6,628). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CONFLUENCE INVESTMENT MANAGEMENT LLC | $1.3M | 75,256 | Trimmed |
| 2 | Hennion & Walsh Asset Management, Inc. | $371,238 | 21,397 | Trimmed |
| 3 | GAMMA Investing LLC | $232,282 | 13,388 | Added |
| 4 | MassMutual Private Wealth & Trust, FSB | $21,774 | 1,255 | Added |
| 5 | Versant Capital Management, Inc | $6,628 | 382 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30