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Ideal Power Inc.

IPWR
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
SEC CIK
0001507957

No open-market purchases or sales by Ideal Power Inc. insiders were filed in the last 90 days; 46 institutions reported holding it in 13F filings for Q2 2026, worth $33.9M in total; no superinvestor holds it.

Holders of 5% or more of IPWR

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Ideal Power Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of IPWR
HolderLatest formStakeChangeFirst filedLatest filingFiling
Hirschman Orin13G/A6.00%513.0K shares−3.90 ppfrom 9.90%Feb 10, 20252 filingsNov 10, 2025SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

2 Schedule 13D and 13G filings on Ideal Power Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on IPWR
Filed (ET)FilerFormStakeChangeEvent dateFiling
Nov 10, 20259:22 AM ETHirschman Orinand 1 other13G/A6.00%513.0K shares−3.90 ppfrom 9.90%Sep 30, 2025SEC
Feb 10, 20258:33 AM ETHirschman Orinand 1 other13G/A9.90%823.3K shares–Dec 31, 2024SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Ideal Power Inc. shares.

No Form 144 notices for Ideal Power Inc. are on file.