Security key
723836300
PIONEER POWER SOLUTIONS, INC. - COM NEW (PPSI)
CUSIP: 723836300
Q2 2026 13F Holders as of 30 Jun 2026
- Security type / class
- Equity / COM NEW
- Total 13F shares
- 1,476,069
- Total 13F value
- $5,813,855
- Share change
- +456,102
- SEC-reported price per share
- $3.94
- Number of holders
- 35
- Value change
- +$1,867,782
- Number of buys
- 19
- Number of sells
- 10
Report period
Q2 2026
Institutions
35
Top holders
10
PPSI full security history
Ownership snapshot
Full 13F holder table
PIONEER POWER SOLUTIONS, INC. SEC filings
PIONEER POWER SOLUTIONS, INC. company facts
Broader feeds
Ownership snapshot
Top reported holders of PPSI - PIONEER POWER SOLUTIONS, INC. - COM NEW (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
Nathan Mazurek
Disclosed value leader
Nathan Mazurek
Comparable rows
0/15
Latest evidence
31 Mar 2026
3/4/5
13F
Highest disclosed value: $4,310,941
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Nathan Mazurek has the largest disclosed position value at $4.31M.
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 Nathan Mazurek's linked filing trail.
Disclosed position value
Top 5
Nathan Mazurek
$4.31M
Wojciech Michalec
$1.63M
Thomas Klink
$721.9K
VANGUARD CAPITAL MANAGEMENT LLC
$637.4K
Spectrum Investment Advisors, Inc.
$446.9K
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 |
|---|---|---|---|---|---|
| Nathan Mazurek |
3/4/5
Chief Executive Officer, Director, 10%+ Owner
|
—
class O/S missing
|
$4,310,941
1,977,496 shares
|
+$33,870 | 02 Mar 2026 |
| Wojciech Michalec |
3/4/5
Chief Financial Officer
|
—
class O/S missing
|
$1,628,000
275,000 shares
|
— | 02 May 2025 |
| Thomas Klink |
3/4/5
Director
|
—
mixed-class rows
|
$721,875
147,500 shares
mixed-class rows
|
— | 05 Dec 2024 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
—
class O/S missing
|
$637,445
196,137 shares
|
— | 31 Mar 2026 |
| Spectrum Investment Advisors, Inc. |
13F
Company
|
—
class O/S missing
|
$446,875
137,500 shares
|
— | 31 Mar 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
class O/S missing
|
$375,053
115,381 shares
|
— | 31 Mar 2026 |
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 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
35
Shares
1,476,069
Rows available
35
| 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 2026 vs Q1 2026 Across Filers
Q1 2026 holders
32
Q2 2026 holders
35
Holder diff
3
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|