Security key
451622203
Ideal Power Inc. - Common Stock, par value $0.001 per share (IPWR)
CUSIP: 451622203
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Total 13F shares
- 4,200,592
- Total 13F value
- $11,886,694
- Share change
- +2,006,178
- SEC-reported price per share
- $2.83
- Number of holders
- 29
- Value change
- +$5,670,993
- Number of buys
- 14
- Number of sells
- 8
- Shares outstanding
- 12,058,122
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
29
Top holders
10
IPWR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Previous quarter: Q4 2025
Ideal Power Inc. SEC filings
Ideal Power Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 451622203
Recent filing periods:
Ownership snapshot
Top reported holders of IPWR - Ideal Power 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
Laurence W. Lytton
Disclosed value leader
Laurence W. Lytton
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G
3/4/5
13F
Lead comparable stake: 9.9%
13D/G row: Laurence W. Lytton
Showing 1-6 of 15 holder rows.
Quick read
Laurence W. Lytton leads the comparable SEC ownership view at 9.9%.
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 Laurence W. Lytton's linked filing trail.
Comparable ownership
Top 5
Laurence W. Lytton
9.9%
Orin Hirschman
9.8%
Laban E. Lesster
0.35%
Drue Freeman
0.32%
Gregory C. Knight
0.32%
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 |
|---|---|---|---|---|---|
| Laurence W. Lytton |
13D/G
LYTTON LAURENCE W
|
9.9%
|
$4,114,160
1,210,047 shares
|
$0 | 24 Feb 2026 |
| Orin Hirschman |
13D/G
|
9.8%
|
$3,126,177
1,181,696 shares
|
+$1,824,620 | 31 Mar 2026 |
| Laban E. Lesster |
3/4/5
Director
|
0.35%
|
$182,157
42,166 shares
|
— | 02 Jan 2026 |
| Drue Freeman |
3/4/5
Director
|
0.32%
|
$169,197
39,166 shares
|
— | 02 Jan 2026 |
| Gregory C. Knight |
3/4/5
Director
|
0.32%
|
$169,197
39,166 shares
|
— | 02 Jan 2026 |
| AWM Investment Company, Inc. |
13F
Company
|
6.5%
|
$2,429,030
786,094 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
29
Shares
4,200,592
Rows available
29
| 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 Q4 2025 Across Filers
Q4 2025 holders
26
Q1 2026 holders
29
Holder diff
3
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend