According to SEC filings for the period ending September 2025, TSS, Inc. (NASDAQ:TSSI) is held by 99 institutional firms.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| BlackRock, Inc. | 30 Sep, 2025 | 1,350,532 | 162,910 | 13.72% | $24,458,135.00 |
| VANGUARD GROUP INC | 30 Sep, 2025 | 1,240,958 | 294,971 | 31.18% | $22,473,749.00 |
| JANE STREET GROUP, LLC | 30 Sep, 2025 | 760,009 | 576,709 | 314.63% | $13,763,763.00 |
| CITADEL ADVISORS LLC | 30 Sep, 2025 | 512,051 | 512,051 | 0.00% | $9,273,244.00 |
| B. Riley Wealth Advisors, Inc. | 30 Sep, 2025 | 505,000 | 505,000 | 0.00% | $181,100.00 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 30 Sep, 2025 | 499,355 | 421,062 | 537.80% | $9,043,319.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 30 Sep, 2025 | 497,823 | 107,951 | 27.69% | $9,017,751.00 |
| MILLENNIUM MANAGEMENT LLC | 30 Sep, 2025 | 475,853 | 85,456 | 21.89% | $8,617,698.00 |
| AWM Investment Company, Inc. | 30 Sep, 2025 | 450,000 | 450,000 | 0.00% | $8,149,500.00 |
| Value Aligned Research Advisors, LLC | 30 Sep, 2025 | 431,263 | 78,114 | 22.12% | $7,810,173.00 |
| RENAISSANCE TECHNOLOGIES LLC | 30 Sep, 2025 | 415,100 | 101,600 | 32.41% | $7,517,461.00 |
| STATE STREET CORP | 30 Sep, 2025 | 365,616 | 117,481 | 47.35% | $6,621,306.00 |
| Trexquant Investment LP | 30 Sep, 2025 | 328,842 | 328,842 | 0.00% | $5,955,329.00 |
| Nuveen, LLC | 30 Sep, 2025 | 233,321 | 192,432 | 470.62% | $4,225,443.00 |
| NORTHERN TRUST CORP | 30 Sep, 2025 | 151,340 | 16,818 | 12.50% | $2,740,768.00 |
| GOLDMAN SACHS GROUP INC | 30 Sep, 2025 | 143,145 | 44,615 | 45.28% | $2,592,356.00 |
| TWO SIGMA INVESTMENTS, LP | 30 Sep, 2025 | 140,180 | -61,689 | -30.56% | $2,538,660.00 |
| Man Group plc | 30 Sep, 2025 | 118,224 | 118,224 | 0.00% | $2,141,037.00 |
| GROUP ONE TRADING LLC | 30 Sep, 2025 | 114,622 | 114,622 | 0.00% | $2,075,804.00 |
| LPL Financial LLC | 30 Sep, 2025 | 114,218 | 104,337 | 1,055.94% | $2,068,488.00 |