Security key
87288V101
TSS, Inc. - Common Stock, $.0001 par value (TSSI)
CUSIP: 87288V101
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common Stock, $.0001 par value
- Total 13F shares
- 9,856,817
- Total 13F value
- $128,087,147
- Share change
- +1,350,775
- Put/Call ratio
- 14%
- SEC-reported price per share
- $13.01
- Number of holders
- 110
- Value change
- +$21,159,656
- Number of buys
- 67
- Number of sells
- 38
- Shares outstanding
- 27,265,467
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
110
Top holders
10
TSSI full security history
Ownership snapshot
Full 13F holder table
TSS, Inc. SEC filings
TSS, Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of TSSI - TSS, Inc. - Common Stock, $.0001 par value (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
0/15
Latest evidence
31 Dec 2025
13F
3/4/5
Highest disclosed value: $10,782,104
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock, Inc. has the largest disclosed position value at $10.78M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Disclosed position value
Top 5
BlackRock, Inc.
$10.78M
VANGUARD GROUP INC
$9.1M
MILLENNIUM MANAGEMENT LLC
$6.12M
GEODE CAPITAL MANAGEMENT, LLC
$3.81M
Value Aligned Research Advisors, LLC
$3.26M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
Company
|
—
denominator unverified
|
$10,782,104
1,525,050 shares
|
— | 31 Dec 2025 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$9,095,428
1,286,482 shares
|
— | 31 Dec 2025 |
| MILLENNIUM MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$6,118,024
865,350 shares
|
— | 31 Dec 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$3,814,076
539,359 shares
|
— | 31 Dec 2025 |
| Value Aligned Research Advisors, LLC |
13F
Company
|
—
denominator unverified
|
$3,255,806
460,510 shares
|
— | 31 Dec 2025 |
| STATE STREET CORP |
13F
Company
|
—
denominator unverified
|
$2,579,942
364,914 shares
|
— | 31 Dec 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
110
Shares
9,856,817
Rows available
110
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q1 2026 Across Filers
Q1 2026 holders
110
Q1 2026 holders
110
Holder diff
0
| Investor | Q1 2026 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2026 value | Value change | Value Chg % |
|---|