Acorn Energy, Inc.: which funds bought and sold
Institutions that bought and sold Acorn Energy shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 7 institutions that filed 13F reports for both quarters added to or opened positions in Acorn Energy, and 2 cut or closed them. Together they added a net 33K shares, +42.0% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 29K shares; index fund managers were net buyers of 6,062 shares (+9.5%). 3 opened a new position and 1 sold out entirely.
Bought, Q2 2026 7 institutions, 3 of them new holders Sold, Q2 2026 2 institutions, 1 of them sold out
Net change, all compared +33K shares (+42.0%)
Net change, active managers +29K shares (—), 2 bought, 0 sold
Buyers versus sellers
7 bought 4 2 sold
Active managers and hedge funds 2 bought · 0 sold · +29K
Index fund managers 4 bought · 0 sold · +6,062
Other institutions 1 bought · 2 sold · −2,081
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Citadel Advisors LLC Hedge fund | +16K New position | 16K | $277,947 |
| Bridgeway Capital Management, LLC Active manager | +13K New position | 13K | $212,875 |
| Blackrock, Inc. Index funds | +5,403 New position | 5,403 | $92,013 |
| Vanguard Capital Management LLC Index funds | +340 +0.9% | 38K | $646,816 |
| Geode Capital Management, LLC Index funds | +259 +1.4% | 18K | $309,742 |
| Tower Research Capital LLC (TRC) | +157 +92.4% | 327 | $5,569 |
| Vanguard Fiduciary Trust Co Index funds | +60 +0.7% | 8,428 | $143,529 |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Citadel Advisors LLC Hedge fund | +16K New position | 16K | $277,947 |
| Bridgeway Capital Management, LLC Active manager | +13K New position | 13K | $212,875 |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Osaic Holdings, Inc. | −1,545 −81.5% | 351 | $5,973 |
| UBS Group AG | −693 Sold out | 0 | — |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| None of the active managers on our list. | |||
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Citadel Advisors LLCHedge fund | 16K | $277,947 |
| Bridgeway Capital Management, LLCActive manager | 13K | $212,875 |
| Blackrock, Inc.Index funds | 5,403 | $92,013 |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| UBS Group AG | 693 | $11,781 |
Who holds the shares
- Institutions reporting
- 12
- Ten largest holders
- 99.8% of 13F-reported shares
- Index fund managers
- 63.1% of 13F-reported shares
- Active managers and hedge funds
- 26.0% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 2 | 0 | 2 | 0 | +29K | — |
| Index fund managers | 4 | 0 | 1 | 0 | +6,062 | +9.5% |
| Other institutions | 1 | 2 | 0 | 1 | −2,081 | −14.6% |