TSSI TSS, Inc.
TSS, Inc. (TSSI) Institutional Ownership
What the institutions did with TSSI last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| BlackRock, Inc. | 2.3M | 17.8% |
| JANE STREET GROUP, LLC | 1.0M | 8.0% |
| VANGUARD CAPITAL MANAGEMENT LLC | 966.5K | 7.4% |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 681.7K | 5.2% |
| GEODE CAPITAL MANAGEMENT, LLC | 626.9K | 4.8% |
| D. E. Shaw & Co., Inc. | 542.9K | 4.2% |
| Driehaus Capital Management LLC | 536.3K | 4.1% |
| LPL Financial LLC | 486.3K | 3.7% |
| STATE STREET CORP | 484.3K | 3.7% |
| GOLDMAN SACHS GROUP INC | 371.8K | 2.8% |
| ALGERT GLOBAL LLC | 342.4K | 2.6% |
| UBS Group AG | 293.9K | 2.2% |
| Value Aligned Research Advisors, LLC | 261.5K | 2.0% |
| WELLS FARGO & COMPANY/MN | 222.9K | 1.7% |
| MILLENNIUM MANAGEMENT LLC | 220.7K | 1.7% |
| NORTHERN TRUST CORP | 193.6K | 1.5% |
| AQR CAPITAL MANAGEMENT LLC | 177.9K | 1.4% |
| Jump Financial, LLC | 175.8K | 1.3% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 169.0K | 1.3% |
| VANGUARD FIDUCIARY TRUST CO | 164.8K | 1.3% |
| Alyeska Investment Group, L.P. | 155.6K | 1.2% |
| CITADEL ADVISORS LLC | 140.8K | 1.1% |
| RENAISSANCE TECHNOLOGIES LLC | 138.3K | 1.1% |
| RAYMOND JAMES FINANCIAL INC | 129.4K | 1.0% |
| MORGAN STANLEY | 124.0K | 0.9% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| BlackRock, Inc. | Increased | 1.8M | 2.3M | +551.4K |
| Driehaus Capital Management LLC | New | 0 | 536.3K | +536.3K |
| JANE STREET GROUP, LLC | Increased | 658.1K | 1.0M | +389.1K |
| D. E. Shaw & Co., Inc. | Increased | 185.9K | 542.9K | +357.0K |
| ALGERT GLOBAL LLC | Increased | 10.5K | 342.4K | +331.9K |
| MARSHALL WACE, LLP | Sold Out | 325.0K | 0 | -325.0K |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | Increased | 416.5K | 681.7K | +265.2K |
| GOLDMAN SACHS GROUP INC | Increased | 124.0K | 371.8K | +247.8K |
| UBS Group AG | Reduced | 521.6K | 293.9K | -227.7K |
| Value Aligned Research Advisors, LLC | Reduced | 460.5K | 261.5K | -199.0K |
| CenterBook Partners LP | Sold Out | 177.4K | 0 | -177.4K |
| Jump Financial, LLC | New | 0 | 175.8K | +175.8K |
| Alyeska Investment Group, L.P. | New | 0 | 155.6K | +155.6K |
| Arosa Capital Management LP | Sold Out | 150.0K | 0 | -150.0K |
| MILLENNIUM MANAGEMENT LLC | Reduced | 370.4K | 220.7K | -149.6K |
| AQR CAPITAL MANAGEMENT LLC | Increased | 32.1K | 177.9K | +145.8K |
| LPL Financial LLC | Increased | 342.8K | 486.3K | +143.4K |
| CITADEL ADVISORS LLC | New | 0 | 140.8K | +140.8K |
| RAYMOND JAMES FINANCIAL INC | New | 0 | 129.4K | +129.4K |
| Rockefeller Capital Management L.P. | Reduced | 216.9K | 101.0K | -115.9K |
| CROWN ADVISORS MANAGEMENT, INC. | New | 0 | 100.0K | +100.0K |
| Dupree Financial Group, LLC | Sold Out | 94.3K | 0 | -94.3K |
| Covestor Ltd | New | 0 | 93.1K | +93.1K |
| Y-Intercept (Hong Kong) Ltd | New | 0 | 90.9K | +90.9K |
| Point72 Asset Management, L.P. | New | 0 | 89.7K | +89.7K |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 60.1K | 138.3K | +78.2K |
| SIERRA SUMMIT ADVISORS LLC | New | 0 | 74.0K | +74.0K |
| ExodusPoint Capital Management, LP | New | 0 | 68.4K | +68.4K |
| STATE STREET CORP | Increased | 425.3K | 484.3K | +59.0K |
| Balyasny Asset Management L.P. | New | 0 | 58.6K | +58.6K |
| GROUP ONE TRADING LLC | Sold Out | 56.7K | 0 | -56.7K |
| BNP PARIBAS FINANCIAL MARKETS | Increased | 4.8K | 58.7K | +54.0K |
| CAPTRUST FINANCIAL ADVISORS | Sold Out | 51.5K | 0 | -51.5K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 575.6K | 626.9K | +51.3K |
| TWO SIGMA INVESTMENTS, LP | Sold Out | 49.5K | 0 | -49.5K |
| WELLS FARGO & COMPANY/MN | Increased | 173.5K | 222.9K | +49.5K |
| DIMENSIONAL FUND ADVISORS LP | New | 0 | 47.0K | +47.0K |
| Quantbot Technologies LP | Increased | 2.6K | 47.8K | +45.1K |
| WEXFORD CAPITAL LP | Sold Out | 40.0K | 0 | -40.0K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 131.0K | 169.0K | +38.0K |
| Entropy Technologies, LP | New | 0 | 35.9K | +35.9K |
| Evernest Financial Advisors, LLC | New | 0 | 35.0K | +35.0K |
| Centiva Capital, LP | Sold Out | 32.2K | 0 | -32.2K |
| IMC-Chicago, LLC | Increased | 39.4K | 69.0K | +29.5K |
| Russell Investments Group, Ltd. | Increased | 4.1K | 33.5K | +29.4K |
| EMERALD MUTUAL FUND ADVISERS TRUST | New | 0 | 28.5K | +28.5K |
| F/m Investments LLC | New | 0 | 28.5K | +28.5K |
| NORTHERN TRUST CORP | Increased | 165.4K | 193.6K | +28.3K |
| HSBC HOLDINGS PLC | New | 0 | 26.9K | +26.9K |
| SLT Holdings LLC | New | 0 | 26.4K | +26.4K |
| XTX Topco Ltd | Increased | 34.3K | 56.5K | +22.2K |
| Trexquant Investment LP | Sold Out | 22.1K | 0 | -22.1K |
| Quantinno Capital Management LP | Sold Out | 20.0K | 0 | -20.0K |
| GSA CAPITAL PARTNERS LLP | Increased | 39.0K | 58.8K | +19.8K |
| ROYAL BANK OF CANADA | Reduced | 25.8K | 7.9K | -18.0K |
| Foundations Investment Advisors, LLC | Increased | 10.0K | 27.5K | +17.5K |
| Vontobel Holding Ltd. | New | 0 | 16.1K | +16.1K |
| Creative Planning | New | 0 | 15.3K | +15.3K |
| Brevan Howard Capital Management LP | Increased | 14.8K | 29.5K | +14.7K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Sold Out | 14.4K | 0 | -14.4K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.