TSSTSSI
13F holders, Q2 2025 (June 30)95holders +31
54new positions
23sold out
5famous investors
$28.83avg. 13F price*
At the end of Q2 2025, 95 institutions reported holding TSS Inc. (TSSI) in their 13F filings, up 31 from Q1 2025. 54 opened new positions and 23 sold out. The largest holders were BlackRock, Inc. ($34.2M), Vanguard Group Inc. ($27.3M) and Millennium Management ($11.3M). 5 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- TSS Inc.
- CUSIP
- 87288V101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 54 | $57.7M |
| Exits | 23 | $10.2M |
All 13F filers, Q1 2025 → Q2 2025: 4,545,894 shares bought and 2,039,954 shares sold, net +2,505,940 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 95 holders
| BlackRock, Inc. | 0.00% | Add +471.0% | 1,187,622 | $34.2M |
| Vanguard Group Inc. | 0.00% | Add +28.0% | 945,987 | $27.3M |
| Millennium Management | 0.01% | Add +166.3% | 390,397 | $11.3M |
| Geode Capital Management, LLC | 0.00% | Add +167.1% | 389,872 | $11.2M |
| Value Aligned Research Advisors, LLC | 0.45% | Add +40.1% | 353,149 | $10.2M |
| Renaissance Technologies | 0.01% | Add +74.8% | 313,500 | $9.0M |
| Raymond James Financial Inc. | 0.00% | New | 307,395 | $8.9M |
| D. E. Shaw & Co. | 0.01% | Add +86.1% | 248,452 | $7.2M |
| State Street Corp. | 0.00% | Add +414.7% | 248,135 | $7.2M |
| Jump Financial, LLC | 0.09% | New | 235,914 | $6.8M |
| Two Sigma Investments, LP | 0.01% | New | 201,869 | $5.8M |
| Soviero Asset Management, LP | 3.38% | New | 160,000 | $4.6M |
| Tudor Investment Corporation | 0.03% | New | 155,034 | $4.5M |
| Northern Trust Corp. | 0.00% | Add +369.2% | 134,522 | $3.9M |
| Allspring Global Investments Holdings, LLC | 0.01% | New | 120,822 | $3.5M |
| Rockefeller Capital Management L.P. | 0.01% | Reduce -7.5% | 104,700 | $3.0M |
| UBS Group AG | 0.00% | Add +94.6% | 104,070 | $3.0M |
| Penserra Capital Management LLC | 0.04% | New | 99,878 | $2.9M |
| Goldman Sachs Group Inc. | 0.00% | Add +62.8% | 98,530 | $2.8M |
| Royal Bank of Canada | 0.00% | Add +2905.2% | 93,012 | $2.7M |
| Verition Fund Management LLC | 0.02% | New | 87,450 | $2.5M |
| Citadel Advisors | 0.00% | Reduce -66.4% | 81,358 | $2.3M |
| Morgan Stanley | 0.00% | Reduce -2.8% | 80,742 | $2.3M |
| Susquehanna International Group, LLP | 0.00% | Reduce -80.0% | 78,293 | $2.3M |
| JT Stratford LLC | 0.27% | Reduce -13.2% | 61,941 | $1.8M |
| Virtu Financial LLC | 0.09% | New | 57,678 | $1.7M |
| Huntleigh Advisors, Inc. | 0.30% | Reduce -33.4% | 54,632 | $1.6M |
| Charles Schwab Investment Management Inc. | 0.00% | New | 52,068 | $1.5M |
| Informed Momentum Co LLC | 0.23% | New | 51,872 | $1.5M |
| Mesirow Financial Investment Management, Inc. | 0.03% | No change | 49,643 | $1.4M |
| Brookstone Capital Management | 0.02% | Reduce -13.6% | 41,467 | $1.2M |
| Nuveen, LLC | 0.00% | New | 40,889 | $1.2M |
| Bank of New York Mellon Corp | 0.00% | New | 38,203 | $1.1M |
| Creative Financial Designs Inc. | 0.07% | Reduce -0.9% | 33,550 | $967K |
| Barclays PLC | 0.00% | New | 32,110 | $926K |
| XTX Topco Ltd | 0.04% | Reduce -52.6% | 31,220 | $900K |
| Citizens Financial Group Inc. | 0.01% | New | 30,000 | $865K |
| American Century Companies Inc. | 0.00% | New | 29,849 | $861K |
| Gsa Capital Partners LLP | 0.06% | New | 27,741 | $800K |
| Fuller & Thaler Asset Management, Inc. | 0.00% | New | 26,885 | $775K |
| Baader Bank Aktiengesellschaft | 0.07% | New | 26,500 | $764K |
| HighTower Advisors, LLC | 0.00% | Add +48.3% | 26,085 | $752K |
| Rhumbline Advisers | 0.00% | New | 26,020 | $750K |
| Scientech Research LLC | 0.15% | New | 21,677 | $625K |
| Squarepoint Ops LLC | 0.00% | Add +16.3% | 19,327 | $557K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +19.1% | 18,457 | $518K |
| Stifel Financial Corp. | 0.00% | Reduce -19.3% | 16,166 | $466K |
| Wells Fargo & Company | 0.00% | Add +89.0% | 15,875 | $458K |
| ARS Investment Partners, LLC | 0.03% | Reduce -53.8% | 15,715 | $453K |
| Foundations Investment Advisors, LLC | 0.01% | New | 13,854 | $399K |
| SLT Holdings LLC | 0.28% | New | 12,854 | $371K |
| Cetera Investment Advisers | 0.00% | Reduce -2.9% | 12,789 | $369K |
| Deutsche Bank AG | 0.00% | New | 11,732 | $338K |
| Aventail Capital Group, LP | 0.01% | New | 11,291 | $326K |
| Invesco Ltd. | 0.00% | New | 11,263 | $325K |
| MetLife Investment Management, LLC | 0.00% | New | 11,243 | $324K |
| Bank of America Corp. | 0.00% | Reduce -83.0% | 11,000 | $317K |
| Moneco Advisors, LLC | 0.03% | Add +4.9% | 10,860 | $313K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | New | 9,998 | $288K |
| Sei Investments Co. | 0.00% | New | 9,900 | $285K |
| LPL Financial LLC | 0.00% | New | 9,881 | $285K |
| Bayesian Capital Management, LP | 0.04% | New | 9,477 | $273K |
| Osaic Holdings, Inc. | 0.00% | Add +17.6% | 9,193 | $265K |
| T. Rowe Price Associates Inc. | 0.00% | New | 9,126 | $264K |
| Intech Investment Management LLC | 0.00% | New | 8,950 | $258K |
| JPMorgan Chase & Co. | 0.00% | New | 8,626 | $249K |
| Bank of Montreal | 0.00% | New | 7,000 | $202K |
| STRS Ohio | 0.00% | New | 6,900 | $199K |
| Citigroup Inc. | 0.00% | Add +3582.4% | 6,481 | $187K |
| Lazard Asset Management LLC | 0.00% | Reduce -63.4% | 6,357 | $183K |
| New York State Common Retirement Fund | 0.00% | Reduce -93.8% | 5,800 | $167K |
| Caitong International Asset Management Co., Ltd | 0.11% | Add +1265.0% | 5,187 | $150K |
| SG Americas Securities, LLC | 0.00% | New | 4,816 | $139K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | New | 4,022 | $116K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +81.1% | 3,129 | $90K |
| Vestor Capital, LLC | 0.00% | Reduce -79.2% | 2,500 | $62K |
| Legal & General Group Plc | 0.00% | New | 2,033 | $59K |
| Ameritas Investment Partners, Inc. | 0.00% | New | 1,863 | $54K |
| BNP Paribas Financial Markets | 0.00% | New | 1,552 | $45K |
| California State Teachers Retirement System | 0.00% | New | 1,139 | $33K |
| Larson Financial Group LLC | 0.00% | New | 1,000 | $29K |
| Federation des caisses Desjardins du Quebec | 0.00% | Add +150.0% | 1,000 | $29K |
| Rialto Wealth Management, LLC | 0.01% | No change | 917 | $26K |
| Amalgamated Bank | 0.00% | New | 623 | $18K |
| IFP Advisors, Inc | 0.00% | New | 387 | $11K |
| FMR LLC | 0.00% | New | 367 | $11K |
| Nisa Investment Advisors, LLC | 0.00% | New | 201 | $6K |
| Silicon Valley Capital Partners | 0.00% | New | 120 | $3K |
| Park Square Financial Group, LLC | 0.00% | New | 100 | $3K |
| Steward Partners Investment Advisory, LLC | 0.00% | New | 100 | $3K |
| Armstrong Advisory Group, Inc. | 0.00% | New | 54 | $2K |
| Jones Financial Companies LLLP | 0.00% | Reduce -50.0% | 50 | $2K |
| Sterling Capital Management LLC | 0.00% | New | 44 | $1K |
| ORG Partners LLC | 0.00% | New | 20 | $532 |
| Rothschild Investment LLC | 0.00% | New | 15 | $432 |
"% of holder's portfolio" is TSSI's weight in each manager's 13F, not the share of TSS Inc. the manager owns.