Ownership history in VANGUARD GROUP INC · 21 quarters on record
This page tracks every 13F SEC filing in which VANGUARD GROUP INC reported a position in ACORN ENERGY INC COM (ACFN). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q4 | ADDED | 36,362 | +4,872 | +15.5% | 0.00% | $549K | $15.10 |
| 2025 Q3 | REDUCED | 31,490 | -670,687 | -95.5% | 0.00% | $901K | $28.60 |
| 2015 Q2 | ADDED | 702,177 | +29,933 | +4.5% | 0.00% | $309K | $7.04 |
| 2015 Q1 | UNCHANGED | 672,244 | — | 0% | 0.00% | $329K | $8.00 |
| 2014 Q4 | ADDED | 672,244 | +21,800 | +3.4% | 0.00% | $518K | $12.32 |
| 2014 Q3 | ADDED | 650,444 | +54,018 | +9.1% | 0.00% | $1.0M | $24.80 |
| 2014 Q2 | REDUCED | 596,426 | -9,485 | -1.6% | 0.00% | $1.4M | $37.76 |
| 2014 Q1 | ADDED | 605,911 | +95,722 | +18.8% | 0.00% | $2.1M | $54.24 |
| 2013 Q4 | ADDED | 510,189 | +64,526 | +14.5% | 0.00% | $2.1M | $65.12 |
| 2013 Q3 | ADDED | 445,663 | +4,339 | +1.0% | 0.00% | $2.6M | $94.40 |
As of 2025 Q4 — sorted by position size