Latest Period
Q1 2026
Security Snapshot
TSS, Inc. - Common Stock (TSSI) Institutional Ownership
CUSIP: 87288V101
13F Institutional Holders and Ownership History from Q3 2024 to Q1 2026
Institutions Reporting
102
Shares (Excl. Options)
9,359,226
Price
$13.01
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- Type / Class
- Equity / Common Stock
- Symbol
- TSSI on Nasdaq
- Shares outstanding
- 28,745,000
- Price per share
- $14.19
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 9,359,226
- Total reported value
- $121,613,135
- % of total 13F portfolios
- 0%
- Share change
- +1,376,540
- Value change
- +$21,313,661
- Number of holders
- 102
- Price from insider filings
- $14.19
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- TSSI - TSS, Inc. - Common Stock is tracked under CUSIP 87288V101.
- 102 institutions reported positions in Q1 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 89 to 102 between Q4 2025 and Q1 2026.
- Reported value moved from $60,119,813 to $121,613,135.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 102 institutions filings for Q1 2026.
Investment Quick Answers
What is CUSIP 87288V101?
CUSIP 87288V101 identifies TSSI - TSS, Inc. - Common Stock in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q1 2026 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 87288V101:
Significant Owners of TSS, Inc. - Common Stock (TSSI) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 5.3% | $10,772,410 | 1,523,485 | BlackRock, Inc. | 31 Dec 2025 |
As of 31 Mar 2026, 102 institutional investors reported holding 9,359,226 shares of TSS, Inc. - Common Stock (TSSI). This represents 33% of the company’s total 28,745,000 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of TSS, Inc. - Common Stock (TSSI) together control 29% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 6.2% | 1,770,890 | +16% | 0% | $23,039,278 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.4% | 968,440 | 0% | 0% | $12,599,404 |
| JANE STREET GROUP, LLC | 2.3% | 658,081 | +173% | 0.01% | $8,561,634 |
| GEODE CAPITAL MANAGEMENT, LLC | 2% | 575,609 | +6.7% | 0% | $7,491,155 |
| UBS Group AG | 1.8% | 521,598 | +65% | 0% | $6,785,990 |
| STATE STREET CORP | 1.5% | 425,254 | +17% | 0% | $5,532,555 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 1.4% | 416,514 | 0.04% | $5,418,847 | |
| MILLENNIUM MANAGEMENT LLC | 1.3% | 370,379 | -57% | 0% | $4,818,631 |
| LPL Financial LLC | 1.2% | 342,848 | +83% | 0% | $4,460,450 |
| MARSHALL WACE, LLP | 1.1% | 324,962 | 0% | $4,227,755 | |
| Rockefeller Capital Management L.P. | 0.75% | 216,883 | +111% | 0.01% | $2,821,648 |
| D. E. Shaw & Co., Inc. | 0.65% | 185,901 | +150% | 0% | $2,418,572 |
| CenterBook Partners LP | 0.62% | 177,414 | 0.12% | $2,308,156 | |
| WELLS FARGO & COMPANY/MN | 0.6% | 173,472 | +287% | 0% | $2,256,870 |
| NORTHERN TRUST CORP | 0.58% | 165,351 | +2.7% | 0% | $2,151,216 |
| VANGUARD FIDUCIARY TRUST CO | 0.56% | 159,977 | 0% | 0% | $2,081,301 |
| Arosa Capital Management LP | 0.52% | 150,000 | -25% | 1.3% | $1,951,500 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.46% | 130,988 | 0% | 0% | $1,704,154 |
| GOLDMAN SACHS GROUP INC | 0.43% | 124,020 | +110% | 0% | $1,613,501 |
| MORGAN STANLEY | 0.4% | 114,277 | -31% | 0% | $1,486,743 |
| Dupree Financial Group, LLC | 0.33% | 94,274 | -2.6% | 0.49% | $1,226,505 |
| Bank of New York Mellon Corp | 0.22% | 61,845 | +4.8% | 0% | $804,609 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.21% | 61,012 | -4.8% | 0% | $793,766 |
| RENAISSANCE TECHNOLOGIES LLC | 0.21% | 60,091 | -59% | 0% | $781,784 |
| GROUP ONE TRADING LLC | 0.2% | 56,665 | 0.02% | $737,212 |
Institutional Holders of TSS, Inc. - Common Stock (TSSI) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 9,359,226 | $121,613,135 | +$21,313,661 | $13.01 | 102 |
| 2025 Q4 | 8,500,574 | $60,119,813 | -$20,499,123 | $7.07 | 89 |
| 2025 Q3 | 9,406,093 | $170,378,887 | +$21,670,959 | $18.11 | 98 |
| 2025 Q2 | 7,312,086 | $210,784,907 | +$100,090,334 | $28.83 | 95 |
| 2025 Q1 | 4,772,006 | $37,473,999 | +$13,943,144 | $7.85 | 62 |
| 2024 Q4 | 2,855,906 | $33,868,439 | +$29,511,323 | $11.86 | 51 |
| 2024 Q3 | 12,000 | $86,000 | +$86,000 | $7.17 | 1 |