8 institutions reported holding $176,306 of MARKS & SP (MAKSY) in SEC 13F filings for 2026-03-31. Largest institutional holders: RHUMBLINE ADVISERS ($130,314), GAMMA Investing LLC ($31,550), HANTZ FINANCIAL SERVICES, INC. ($9,000), Salomon & Ludwin, LLC ($2,854), NBC SECURITIES, INC. ($2,388). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | RHUMBLINE ADVISERS | $130,314 | 14,321 | Added |
| 2 | GAMMA Investing LLC | $31,550 | 3,467 | Trimmed |
| 3 | HANTZ FINANCIAL SERVICES, INC. | $9,000 | 969 | Trimmed |
| 4 | Salomon & Ludwin, LLC | $2,854 | 303 | Hold |
| 5 | NBC SECURITIES, INC. | $2,388 | 267 | Hold |
| 6 | PNC Financial Services Group, Inc. | $164 | 18 | Trimmed |
| 7 | IMA Advisory Services, Inc. | $36 | 4 | Trimmed |
| 8 | Signature Equity Partners, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31