Security key
126389105
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 1,119,620
- Total 13F value
- $11,873,000
- Share change
- -53,093
- SEC-reported price per share
- $10.56
- Number of holders
- 12
- Value change
- -$411,381
- Number of buys
- 3
- Number of sells
- 6
- Shares outstanding
- 9,933,610
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2021
Institutions
12
Top holders
10
CSPI full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
CSP INC /MA/ SEC filings
CSP INC /MA/ company facts
Broader feeds
Reporting periods
Holder history for CUSIP 126389105
Recent filing periods:
Ownership snapshot
Top reported holders of CSPI - CSP INC /MA/ - Common Stock (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
DIMENSIONAL FUND ADVISORS LP
Disclosed value leader
DIMENSIONAL FUND ADVISORS LP
Comparable rows
0/15
Latest evidence
31 Mar 2021
13F
Highest disclosed value: $2,469,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
DIMENSIONAL FUND ADVISORS LP has the largest disclosed position value at $2.47M.
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 DIMENSIONAL FUND ADVISORS LP's linked filing trail.
Disclosed position value
Top 5
DIMENSIONAL FUND ADVISORS LP
$2.47M
Visionary Wealth Advisors
$2.19M
RENAISSANCE TECHNOLOGIES LLC
$2.05M
VANGUARD GROUP INC
$1.72M
CALIFORNIA PUBLIC EMPLOYEES RETIR...
$659K
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 |
|---|---|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
—
denominator unverified
|
$2,469,000
283,841 shares
|
— | 31 Mar 2021 |
| Visionary Wealth Advisors |
13F
Company
|
—
denominator unverified
|
$2,188,000
251,488 shares
|
— | 31 Mar 2021 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
—
denominator unverified
|
$2,054,000
236,054 shares
|
— | 31 Mar 2021 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$1,716,000
197,177 shares
|
— | 31 Mar 2021 |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM |
13F
Company
|
—
denominator unverified
|
$659,000
75,735 shares
|
— | 31 Mar 2021 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$410,000
47,100 shares
|
— | 31 Mar 2021 |
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 Q2 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
12
Shares
1,119,620
Rows available
12
| 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 Q2 2021 vs Q2 2026 Across Filers
Q2 2026 holders
43
Q2 2021 holders
12
Holder diff
-31
| Investor | Q2 2026 Shares | Q2 2021 Shares | Share Diff | Share Chg % | Q2 2026 value | Q2 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend