15 institutions reported holding $4.4M of Disco Corporation Unsponsored (DSCSY) in SEC 13F filings for 2026-03-31. Largest institutional holders: CONFLUENCE INVESTMENT MANAGEMENT LLC ($1.7M), RHUMBLINE ADVISERS ($869,934), Sterling Capital Management LLC ($683,767), GAMMA Investing LLC ($543,125), PNC Financial Services Group, Inc. ($265,241). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CONFLUENCE INVESTMENT MANAGEMENT LLC | $1.7M | 42,798 | Added |
| 2 | RHUMBLINE ADVISERS | $869,934 | 21,401 | Added |
| 3 | Sterling Capital Management LLC | $683,767 | 17,763 | Trimmed |
| 4 | GAMMA Investing LLC | $543,125 | 13,361 | Added |
| 5 | PNC Financial Services Group, Inc. | $265,241 | 6,525 | Trimmed |
| 6 | RIVERBRIDGE PARTNERS LLC | $224,388 | 5,520 | Trimmed |
| 7 | Salomon & Ludwin, LLC | $31,347 | 774 | Added |
| 8 | NBC SECURITIES, INC. | $30,872 | 802 | Trimmed |
| 9 | Ancora Advisors LLC | $27,845 | 685 | Trimmed |
| 10 | HANTZ FINANCIAL SERVICES, INC. | $18,000 | 438 | Trimmed |
| 11 | Ramirez Asset Management, Inc. | $8,122 | 211 | Trimmed |
| 12 | First Command Advisory Services, Inc. | $285 | 7 | New |
| 13 | IMA Advisory Services, Inc. | $243 | 6 | New |
| 14 | RICHARDSON FINANCIAL SERVICES INC. | $163 | 4 | New |
| 15 | Steigerwald, Gordon & Koch Inc. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31