TSSTSSI
13F holders, Q1 2025 (March 31)64holders +13
23new positions
10sold out
4famous investors
$7.88avg. 13F price*
At the end of Q1 2025, 64 institutions reported holding TSS Inc. (TSSI) in their 13F filings, up 13 from Q4 2024. 23 opened new positions and 10 sold out. The largest holders were Vanguard Group Inc. ($5.8M), Susquehanna International Group, LLP ($3.1M) and Palisades Investment Partners, LLC ($2.0M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- TSS Inc.
- CUSIP
- 87288V101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 23 | $7.3M |
| Exits | 10 | $4.2M |
All 13F filers, Q4 2024 → Q1 2025: 2,694,089 shares bought and 743,848 shares sold, net +1,950,241 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 64 holders
| Vanguard Group Inc. | 0.00% | Add +278.0% | 738,857 | $5.8M |
| Susquehanna International Group, LLP | 0.01% | Add +1079.1% | 391,412 | $3.1M |
| Palisades Investment Partners, LLC | 1.02% | Add +2.0% | 257,865 | $2.0M |
| Value Aligned Research Advisors, LLC | 0.16% | Add +34.0% | 252,128 | $2.0M |
| Citadel Advisors | 0.00% | Add +20.3% | 242,390 | $1.9M |
| BlackRock, Inc. | 0.00% | Add +9.2% | 207,999 | $1.6M |
| Renaissance Technologies | 0.00% | Add +778.9% | 179,300 | $1.4M |
| Marshall Wace, LLP | 0.00% | New | 153,741 | $1.2M |
| Millennium Management | 0.00% | New | 146,613 | $1.2M |
| Geode Capital Management, LLC | 0.00% | Add +12.5% | 145,962 | $1.1M |
| NewEdge Advisors, LLC | 0.01% | Add +536.7% | 141,686 | $1.1M |
| Pacer Advisors, Inc. | 0.00% | New | 138,480 | $1.1M |
| D. E. Shaw & Co. | 0.00% | New | 133,529 | $1.0M |
| WINTON GROUP Ltd | 0.06% | Add +391.9% | 126,390 | $992K |
| Rockefeller Capital Management L.P. | 0.00% | Add +143.2% | 113,214 | $889K |
| New York State Common Retirement Fund | 0.00% | No change | 93,800 | $736K |
| Morgan Stanley | 0.00% | Add +73.5% | 83,086 | $652K |
| Huntleigh Advisors, Inc. | 0.11% | Add +9.8% | 81,999 | $644K |
| JT Stratford LLC | 0.10% | Add +8.8% | 71,321 | $560K |
| O'shaughnessy Asset Management, LLC | 0.00% | Add +11.2% | 66,198 | $520K |
| XTX Topco Ltd | 0.03% | New | 65,870 | $517K |
| Bank of America Corp. | 0.00% | Add +1818.8% | 64,798 | $509K |
| Goldman Sachs Group Inc. | 0.00% | Add +40.0% | 60,540 | $475K |
| UBS Group AG | 0.00% | Add +428.6% | 53,475 | $420K |
| Victory Capital Management Inc. | 0.00% | Add +414.9% | 53,447 | $420K |
| ARS Investment Partners, LLC | 0.04% | No change | 34,041 | $404K |
| Mesirow Financial Investment Management, Inc. | 0.01% | Reduce -53.7% | 49,643 | $390K |
| Jane Street Group, LLC | 0.00% | Reduce -4.0% | 48,856 | $384K |
| State Street Corp. | 0.00% | New | 48,208 | $378K |
| Brookstone Capital Management | 0.01% | New | 48,018 | $377K |
| Murchinson Ltd. | 0.06% | Reduce -81.0% | 44,173 | $347K |
| Wolverine Trading, LLC | 0.01% | New | 35,349 | $292K |
| Group One Trading LLC | 0.01% | Add +141.1% | 36,203 | $284K |
| OMERS ADMINISTRATION Corp | 0.00% | Add +34.1% | 35,400 | $278K |
| Creative Financial Designs Inc. | 0.02% | Reduce -3.8% | 33,850 | $266K |
| Ritholtz Wealth Management | 0.01% | New | 31,487 | $247K |
| Northern Trust Corp. | 0.00% | Add +5.0% | 28,669 | $225K |
| Graham Capital Management, L.P. | 0.01% | New | 23,777 | $187K |
| D.A. Davidson & Co. | 0.00% | Reduce -69.8% | 21,620 | $170K |
| Man Group plc | 0.00% | New | 21,123 | $166K |
| Stifel Financial Corp. | 0.00% | Add +25.1% | 20,024 | $157K |
| Pinnacle Wealth Planning Services, Inc. | 0.02% | New | 18,200 | $143K |
| HighTower Advisors, LLC | 0.00% | Add +2.9% | 17,595 | $138K |
| Lazard Asset Management LLC | 0.00% | Add +79.5% | 17,388 | $136K |
| Squarepoint Ops LLC | 0.00% | New | 16,626 | $131K |
| Boothbay Fund Management, LLC | 0.00% | Reduce -81.0% | 16,565 | $130K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | New | 15,500 | $122K |
| Cetera Investment Advisers | 0.00% | New | 13,169 | $103K |
| Vestor Capital, LLC | 0.01% | No change | 12,000 | $94K |
| Advisory Services Network, LLC | 0.00% | Reduce -11.4% | 10,723 | $84K |
| Moneco Advisors, LLC | 0.01% | New | 10,355 | $81K |
| State of Wyoming | 0.01% | New | 9,811 | $77K |
| Wells Fargo & Company | 0.00% | Reduce -12.5% | 8,400 | $66K |
| Osaic Holdings, Inc. | 0.00% | Add +1269.2% | 7,818 | $61K |
| Royal Bank of Canada | 0.00% | Reduce -84.3% | 3,095 | $24K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -51.4% | 1,728 | $14K |
| Rialto Wealth Management, LLC | 0.00% | New | 917 | $7K |
| West Paces Advisors Inc. | 0.00% | New | 460 | $4K |
| Federation des caisses Desjardins du Quebec | 0.00% | Reduce -50.0% | 400 | $3K |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 380 | $3K |
| Citigroup Inc. | 0.00% | New | 176 | $1K |
| Jones Financial Companies LLLP | 0.00% | New | 100 | $825 |
| Northwestern Mutual Wealth Management Co. | 0.00% | New | 100 | $785 |
| FNY Investment Advisers, LLC | 0.00% | Reduce -60.0% | 100 | $0 |
"% of holder's portfolio" is TSSI's weight in each manager's 13F, not the share of TSS Inc. the manager owns.