51 institutions reported holding $20.2M of TRON INC (SRM) in SEC 13F filings for 2026-03-31. Largest institutional holders: VANGUARD CAPITAL MANAGEMENT LLC ($4.8M), UBS Group AG ($2.3M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($2.0M), LPL Financial LLC ($1.9M), JANE STREET GROUP, LLC ($1.4M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | $4.8M | 2.1M | New |
| 2 | UBS Group AG | $2.3M | 1.0M | Added |
| 3 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $2.0M | 896,100 | Added |
| 4 | LPL Financial LLC | $1.9M | 820,644 | Hold |
| 5 | JANE STREET GROUP, LLC | $1.4M | 600,926 | Trimmed |
| 6 | MARSHALL WACE, LLP | $1.3M | 583,276 | Added |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $950,702 | 418,629 | Added |
| 8 | SIMPLEX TRADING, LLC | $889,613 | 391,900 | Added |
| 9 | CITADEL ADVISORS LLC | $608,133 | 267,900 | Trimmed |
| 10 | MILLENNIUM MANAGEMENT LLC | $534,267 | 235,360 | Added |
| 11 | Ethic Inc. | $514,875 | 5,880 | New |
| 12 | TWO SIGMA INVESTMENTS, LP | $396,372 | 174,613 | Trimmed |
| 13 | GROUP ONE TRADING LLC | $317,795 | 139,998 | Trimmed |
| 14 | VANGUARD FIDUCIARY TRUST CO | $298,169 | 131,352 | New |
| 15 | BANK OF AMERICA CORP /DE/ | $268,014 | 118,068 | Added |
| 16 | BlackRock, Inc. | $267,833 | 117,988 | Trimmed |
| 17 | STATE STREET CORP | $164,348 | 72,400 | Hold |
| 18 | GOLDMAN SACHS GROUP INC | $145,466 | 64,082 | Trimmed |
| 19 | NORTHERN TRUST CORP | $129,631 | 57,106 | Hold |
| 20 | OMERS ADMINISTRATION Corp | $112,138 | 49,400 | Trimmed |
| 21 | Brevan Howard Capital Management LP | $101,301 | 44,626 | New |
| 22 | NOMURA HOLDINGS INC | $94,019 | 41,418 | Trimmed |
| 23 | Leonteq Securities AG | $90,800 | 40,000 | New |
| 24 | XTX Topco Ltd | $90,149 | 39,713 | New |
| 25 | State of Wyoming | $78,108 | 34,409 | New |
Source: SEC Form 13F filings · as of 2026-03-31