Who Owns TSS INC DEL (TSSI)? -- Institutional Holders (2026-06-30)
145 institutions reported holding $190.1M of TSS INC DEL (TSSI) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($28.6M), JANE STREET GROUP, LLC ($17.3M), VANGUARD GROUP INC ($16.1M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($12.3M), SILVERCREST ASSET MANAGEMENT GROUP LLC ($8.4M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | BlackRock, Inc. | $28.6M | 2.3M | Added |
| 2 | JANE STREET GROUP, LLC | $17.3M | 1.4M | Added |
| 3 | VANGUARD GROUP INC | $16.1M | 1.3M | Added |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $12.3M | 999,900 | Added |
| 5 | SILVERCREST ASSET MANAGEMENT GROUP LLC | $8.4M | 681,700 | Added |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | $7.7M | 626,884 | Added |
| 7 | CITADEL ADVISORS LLC | $7.3M | 593,013 | Added |
| 8 | D. E. Shaw & Co., Inc. | $6.7M | 542,913 | Added |
| 9 | Driehaus Capital Management LLC | $6.6M | 536,314 | New |
| 10 | LPL Financial LLC | $6.0M | 486,260 | Added |
| 11 | STATE STREET CORP | $6.0M | 484,262 | Added |
| 12 | GOLDMAN SACHS GROUP INC | $4.6M | 371,792 | Added |
| 13 | ALGERT GLOBAL LLC | $4.2M | 342,405 | Added |
| 14 | UBS Group AG | $3.6M | 293,872 | Trimmed |
| 15 | IMC-Chicago, LLC | $3.6M | 292,354 | Added |
| 16 | Value Aligned Research Advisors, LLC | $3.2M | 261,498 | Trimmed |
| 17 | WELLS FARGO & COMPANY/MN | $2.7M | 222,931 | Added |
| 18 | MILLENNIUM MANAGEMENT LLC | $2.7M | 220,744 | Trimmed |
| 19 | NORTHERN TRUST CORP | $2.4M | 193,623 | Added |
| 20 | AQR CAPITAL MANAGEMENT LLC | $2.2M | 177,912 | Added |
| 21 | Jump Financial, LLC | $2.2M | 175,800 | New |
| 22 | GROUP ONE TRADING LLC | $2.0M | 162,400 | Added |
| 23 | Alyeska Investment Group, L.P. | $1.9M | 155,594 | New |
| 24 | RENAISSANCE TECHNOLOGIES LLC | $1.7M | 138,291 | Added |
| 25 | RAYMOND JAMES FINANCIAL INC | $1.6M | 129,364 | New |
Source: SEC Form 13F filings · as of 2026-06-30