Security key
73933G202
POWER SOLUTIONS INTERNATIONAL, INC. - Common Stock, par value $0.001 per share (PSIX)
CUSIP: 73933G202
Q2 2026 13F Holders as of 30 Jun 2026
- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Total 13F shares
- 21,578
- Total 13F value
- $839,168
- Share change
- +5,410
- SEC-reported price per share
- $38.88
- Number of holders
- 3
- Value change
- +$210,394
- Number of buys
- 3
- Shares outstanding
- 23,115,280
Holder snapshot
5 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
3
Top holders
3
PSIX full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q1 2026
POWER SOLUTIONS INTERNATIONAL, INC. SEC filings
POWER SOLUTIONS INTERNATIONAL, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 73933G202
Recent filing periods:
Ownership snapshot
Top reported holders of PSIX - POWER SOLUTIONS INTERNATIONAL, INC. - Common Stock, par value $0.001 per share (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
Weichai America Corp.
Disclosed value leader
Weichai America Corp.
Comparable rows
15/15
Latest evidence
21 May 2026
3/4/5
13D/G
13F
Lead comparable stake: 46%
13D/G row: Weichai America Corp.
Showing 1-6 of 15 holder rows.
Quick read
Weichai America Corp. leads the comparable SEC ownership view at 46%.
15 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 Weichai America Corp.'s linked filing trail.
Comparable ownership
Top 5
Weichai America Corp.
46%
GAGNON SECURITIES LLC
7.3%
Gary S. Winemaster
6.3%
Point72 Asset Management, L.P.
5%
Neil Gagnon
5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Weichai America Corp. |
3/4/5
13D/G
10%+ Owner
|
46%
from 13D/G
|
$999,855,126
10,599,759 shares
|
-$100,288,138 | 11 Sep 2025 |
| GAGNON SECURITIES LLC |
13D/G
Neil Gagnon
|
7.3%
|
$44,976,365
1,678,849 shares
|
$0 | 31 Dec 2024 |
| Gary S. Winemaster |
13D/G
3/4/5
former 10% owner
|
6.3%
|
$118,545,398
1,455,259 shares
|
-$38,726,410 | 18 Sep 2025 |
| Point72 Asset Management, L.P. |
13D/G
|
5%
|
$79,921,081
1,155,764 shares
|
$0 | 21 May 2026 |
| Neil Gagnon |
13D/G
3/4/5
Former 10% Owner
|
5%
|
$30,574,195
1,141,254 shares
|
$0 | 05 Feb 2025 |
| Frank P. Simpkins |
3/4/5
Director
|
0.13%
|
$1,938,900
30,000 shares
|
-$1,390,904 | 11 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 Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
3
Shares
21,578
Rows available
3
| 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
200
Q2 2026 holders
3
Holder diff
-197
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend