Ideal Power Inc.
Ideal Power Inc. (IPWR) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · IPWR · as of Sep 30, 2025
Ownership Breakdown
28
Institutional Holders
▲ 2 vs Q2
$12.43M
Total Inst. Value
▲ $1.70M vs Q2
8.57M
Shares Outstanding
freeFloat 94.58%
2.47M
13F Shares Held
▲ 104,798 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
IPWR largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
AWM INVESTMENT COMPANY, INC. semiconductors & related devices | 645.7K | 7.08% | 7.08% | $3.25B | Nov 13, 2025 | ▲ 44.2K |
AIGH CAPITAL MANAGEMENT LLC semiconductors & related devices | 513.0K | 5.63% | 5.63% | $2.58B | Oct 31, 2025 | ▼ 155.6K |
VANGUARD GROUP INC semiconductors & related devices | 359.1K | 3.94% | 3.94% | $1.81B | Nov 7, 2025 | ▲ 16.9K |
BAIRD FINANCIAL GROUP, INC. semiconductors & related devices | 171.8K | 1.89% | 1.89% | $862.67M | Nov 13, 2025 | ▼ 2.7K |
AMH EQUITY LTD semiconductors & related devices | 156.4K | 1.72% | 1.72% | $785.13M | Oct 29, 2025 | NEW |
BLEICHROEDER LP semiconductors & related devices | 133.0K | 1.46% | 1.46% | $667.66M | Nov 14, 2025 | — held |
BLACKROCK, INC. semiconductors & related devices | 119.5K | 1.31% | 1.31% | $600.13M | Nov 12, 2025 | ▲ 528 |
GEODE CAPITAL MANAGEMENT, LLC semiconductors & related devices | 82.0K | 89.90% | 89.90% | $412.31M | Nov 12, 2025 | ▲ 157 |
UBS GROUP AG semiconductors & related devices | 54.9K | 60.26% | 60.26% | $275.76M | Nov 13, 2025 | ▲ 4.0K |
CABLE CAR CAPITAL LLC semiconductors & related devices | 50.0K | 54.85% | 54.85% | $251.00M | Nov 14, 2025 | — held |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
9
Increased
+94.3K shares5
New Positions
first time holders5
Decreased
−159.2K shares3
Sold Out
fully exitedNet shares change (top 50)
65.0K
+94.3K / −159.2K
Net new holders
+6
5 new / 3 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
IPWR insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
5
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
TURMELLE MICHAEL C director | May 26, 2026 | Purchase | 5,250 | $7.60 | $39.9K | 83.6K | Form 4 ↗ |
SOMO DAVID M President and CEO | Feb 25, 2026 | Purchase | 90,909 | $2.75 | $250.0K | 338.3K | Form 4 ↗ |
TURMELLE MICHAEL C director | Jan 2, 2026 | Award | 36,364 | — | — | 78.3K | Form 4 ↗ |
FREEMAN DRUE director | Jan 2, 2026 | Award | 18,182 | — | — | 39.2K | Form 4 ↗ |
KNIGHT GREGORY C director | Jan 2, 2026 | Award | 18,182 | — | — | 39.2K | Form 4 ↗ |
Lesster Laban E director | Jan 2, 2026 | Award | 18,182 | — | — | 42.2K | Form 4 ↗ |
BURNS TIMOTHY CFO | Dec 15, 2025 | Tax Withhold | 3,607 | $3.85 | $13.9K | 90.7K | Form 4 ↗ |
SOMO DAVID M President and CEO | Nov 3, 2025 | Award | 247,438 | — | — | 247.4K | Form 4 ↗ |
BURNS TIMOTHY CFO | Jun 20, 2025 | Tax Withhold | 5,639 | $4.22 | $23.8K | 94.4K | Form 4 ↗ |
BRDAR DANIEL President and CEO | Jun 20, 2025 | Tax Withhold | 11,101 | $4.22 | $46.8K | 174.7K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Ideal Power Inc. (IPWR) is primarily owned by institutional investors, who hold approximately 28.9% of total shares outstanding. Company insiders own approximately 5.42%, while retail and public investors account for the remaining 65.73%.
The largest institutional shareholder of Ideal Power Inc. is AWM INVESTMENT COMPANY, INC., holding approximately 645,745 shares — equal to 7.08% of outstanding shares — as of September 30, 2025.
A total of 28 institutional investors currently hold IPWR stock, with a combined institutional value of approximately $12,430,845 as of the most recent 13F filing period.
Frequently asked questions
IPWR ownershipIdeal Power Inc. (IPWR) is primarily owned by institutional investors, who hold approximately 28.9% of shares. The largest shareholder is AWM INVESTMENT COMPANY, INC. with a 7.08% stake. Company insiders hold 5.42%. Data sourced from SEC Form 13F as of September 30, 2025.