StockData
ACFNNasdaqServices-Engineering ServicesFiscal year ends December 31

ACORN ENERGY, INC.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 6, 2026
$18.40+0.07 (+0.38%)

Close on Oct 19, 2026

Market cap
$46.74M
P/E (TTM)
30.2
Dividend yield
–

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
4.4%
0M of 3M shares
Institutional holders
12
3 new, 1 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Joel Charles Sklar162,1116.50%13G (passive) amendmentOct 18, 2024

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of ACFNValueChange% of portfolio
Vanguard Capital Management LLC37,9811.51%$646.82K+3400.00%
Geode Capital Management, LLC18,1680.72%$309.74K+2590.00%
Citadel Advisors LLC16,3210.65%$277.95KNew0.00%
Bridgeway Capital Management, LLC12,5000.50%$212.88KNew0.00%
Mink Brook Asset Management LLC10,0000.40%$170.30K–0.08%
Vanguard Fiduciary Trust Co8,4280.34%$143.53K+600.00%
BlackRock, Inc.5,4030.22%$92.01KNew0.00%
Access Investment Management LLC1,2000.05%$20.44K–0.01%
Osaic Holdings, Inc.3510.01%$5.97K−1,5450.00%
Tower Research Capital LLC (TRC)3270.01%$5.57K+1570.00%
National Bank Of Canada /Fi/2450.01%$4.12K–0.00%
Federation des caisses Desjardins du Quebec250.00%$426–0.00%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 2026120M4.4%3 / 41 / 10M0M
Q1 2026100M3.1%4 / 31 / 30M0M
Q4 2025100M2.7%1 / 51 / 50M0M
Q3 2025140M3.3%14 / 00 / 00M0M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of ACFNValue% of fundAs of
Vanguard Total Stock Market Index Fund19,7990.79%$337.18K0.00%Jun 30, 2026
Vanguard Extended Market Index Fund18,1820.72%$309.64K0.00%Jun 30, 2026
Ultra-Small Company Fund12,5000.50%$212.88K0.22%Jun 30, 2026
Fidelity Extended Market Index Fund8,3290.33%$141.59K0.00%May 31, 2026
iShares Micro-Cap ETF5,0770.20%$86.46K0.01%Jun 30, 2026
Fidelity Total Market Index Fund2,6530.11%$45.10K0.00%May 31, 2026
Fidelity Series Total Market Index Fund2,3320.09%$39.64K0.00%May 31, 2026
Fidelity Nasdaq Composite Index Fund1,7410.07%$29.60K0.00%May 31, 2026
1290 VT Micro Cap Portfolio3260.01%$5.55K0.00%Jun 30, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Jan H. LoebPresident and CEO, Director, 10% owner515,44920.54%Jan 21, 2026
Tracy Simmons CliffordChief Financial Officer4,8750.19%Jun 24, 2026
Samuel M. ZentmanDirector7,2420.29%Feb 9, 2026
Michael OstererDirector178,2947.10%Feb 9, 2026
Gary MohrDirector70,4252.81%Feb 9, 2026
Peter RaboverDirector1,971,50078.56%Jan 21, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Tracy Simmons Clifford
Chief Financial Officer
Jun 23, 2026Option exercise+1,875$4.48$8.40K4,875
Tracy Simmons Clifford
Chief Financial Officer
Jun 23, 2026Tax withholding−515$16.33$8.41K4,360
Michael Osterer
Director
Feb 5, 2026Option exercise+625$4.96$3.10K126,211
Samuel M. Zentman
Director
Feb 5, 2026Option exercise+625$4.96$3.10K7,242
Gary Mohr
Director
Feb 5, 2026Option exercise+625$4.96$3.10K17,661
Michael Osterer
Director
Aug 4, 2025Option exercise+1,562$5.44$8.50K125,586
Gary Mohr
Director
Aug 4, 2025Option exercise+1,562$5.44$8.50K17,036
Tracy Simmons Clifford
CFO
May 9, 2025Option exercise+1,875$6.56$12.30K3,000
Jan H. Loeb
President and CEO, Director, 10% owner
Dec 9, 2024Option exercise+2,187$5.60$12.25K242,198
Samuel M. Zentman
Director
Nov 22, 2024Option exercise+625$3.68$2.30K6,617
Jan H. Loeb
President and CEO, Director, 10% owner
Feb 21, 2024Option exercise+2,187$5.76$12.60K240,011
Samuel M. Zentman
Director
Jan 1, 2024Option exercise+625$2.88$1.80K91,240
Samuel M. Zentman
Director
Jan 1, 2024Tax withholding−296$6.09$1.80K90,944
Jan H. Loeb
President and CEO, Director, 10% owner
Jun 9, 2023Buy+20,000$0.28$5.60K3,805,198
Tracy Simmons Clifford
CFO
Jun 9, 2023Buy+3,487$0.28$97618,000
Tracy Simmons Clifford
CFO
Jun 2, 2023Buy+3,950$0.28$1.11K14,513
Tracy Simmons Clifford
CFO
Jun 1, 2023Buy+563$0.28$15810,563
Jan H. Loeb
President and CEO, Director, 10% owner
May 15, 2023Buy+45,600$0.28$12.77K3,785,198
Jan H. Loeb
President and CEO, Director, 10% owner
Mar 22, 2023Buy+125,000$0.30$37.50K1,491,666
Jan H. Loeb
President and CEO, Director, 10% owner
Mar 2, 2023Option exercise+35,000$0.13$4.55K2,247,932
Jan H. Loeb
President and CEO, Director, 10% owner
Dec 28, 2022Buy+22,028$0.32$7.05K2,212,932
Jan H. Loeb
President and CEO, Director, 10% owner
Dec 27, 2022Buy+14,386$0.30$4.32K2,190,904
Jan H. Loeb
President and CEO, Director, 10% owner
Dec 1, 2022Buy+20,000$0.33$6.60K2,176,518
Samuel M. Zentman
Director
Nov 22, 2022Option exercise+10,000$0.14$1.40K90,615
Jan H. Loeb
President and CEO, Director, 10% owner
Sep 21, 2022Buy+16,500$0.44$7.26K2,156,518
Tracy Simmons Clifford
CFO
Sep 21, 2022Buy+2,000$0.45$90010,000
Tracy Simmons Clifford
CFO
Sep 12, 2022Buy+8,000$0.45$3.60K8,000
Jan H. Loeb
President and CEO, Director, 10% owner
Aug 12, 2022Option exercise+25,000$0.20$5.00K2,140,018
Jan H. Loeb
President and CEO, Director, 10% owner
Apr 13, 2022Buy+45,464$0.50$22.73K2,115,018
Jan H. Loeb
President and CEO, Director, 10% owner
Dec 28, 2021Buy+37,723$0.59$22.26K2,069,554
Jan H. Loeb
President and CEO, Director, 10% owner
Dec 27, 2021Buy+10,000$0.57$5.70K2,031,831
Jan H. Loeb
President and CEO, Director, 10% owner
Dec 8, 2020Buy+164,501$0.30$49.35K2,021,831
Jan H. Loeb
President and CEO, Director, 10% owner
Jun 30, 2020Buy+47,500$0.22$10.45K1,857,330
Jan H. Loeb
President and CEO, Director, 10% owner
Jun 26, 2020Buy+198,408$0.22$43.65K1,809,830
Gary Mohr
Director
Jun 28, 2019Buy+833,332$0.24$200.00K833,332
Jan H. Loeb
President and CEO, Director, 10% owner
Jun 28, 2019Buy+4,042,396$0.24$970.18K4,372,017
Jan H. Loeb
President and CEO, Director, 10% owner
Jun 28, 2019Buy+1,366,666$0.24$328.00K1,366,666
Gary Mohr
Director
Jun 24, 2019Option exercise+62$0.24$15262
Gary Mohr
Director
Jun 24, 2019Option exercise+58,878$0.24$14.13K247,592
Gary Mohr
Director
Jun 24, 2019Option exercise+2,527$0.24$60610,627
Jan H. Loeb
President and CEO, Director
Jun 24, 2019Option exercise+461,589$0.24$110.78K1,941,043
Samuel M. Zentman
Director
Jun 24, 2019Option exercise+19,170$0.24$4.60K80,615
Jan H. Loeb
President and CEO, Director
Dec 18, 2018Buy+50,000$0.24$12.00K1,441,454
Jan H. Loeb
President and CEO, Director
Dec 18, 2018Buy+38,000$0.26$9.88K1,479,454
Jan H. Loeb
President and CEO, Director
Dec 17, 2018Buy+20,000$0.24$4.80K1,391,454
Jan H. Loeb
President and CEO, Director
Dec 14, 2018Buy+33,280$0.28$9.32K1,321,454
Jan H. Loeb
President and CEO, Director
Dec 14, 2018Buy+50,000$0.28$14.00K1,371,454
Jan H. Loeb
President and CEO, Director
Mar 29, 2018Buy+25,000$0.30$7.50K1,208,174
Jan H. Loeb
President and CEO, Director
Mar 29, 2018Buy+80,000$0.30$24.00K1,288,174
Jan H. Loeb
President and CEO, Director
Mar 28, 2018Buy+126,694$0.30$38.01K1,183,174
Edgar S. Woolard Jr
Director
Jan 1, 2018Award+73,913––822,357
Mannie L. Jackson
Director
Jan 1, 2017Award+83,333––638,920
Edgar S. Woolard Jr
Director
Jan 1, 2017Award+94,444––748,444
Michael Barth
Chief Financial Officer
Dec 22, 2016Other+45,464––94,306
Edgar S. Woolard Jr
Director
Aug 25, 2016Buy+50,000$0.20$10.00K654,000
Edgar S. Woolard Jr
Director
Aug 22, 2016Buy+10,000$0.21$2.10K575,475
Edgar S. Woolard Jr
Director
Aug 22, 2016Buy+10,000$0.21$2.10K565,475
Edgar S. Woolard Jr
Director
Aug 22, 2016Buy+1,475$0.22$325555,475
Edgar S. Woolard Jr
Director
Aug 22, 2016Buy+5,000$0.21$1.05K580,475
Edgar S. Woolard Jr
Director
Aug 22, 2016Buy+20,000$0.20$4.00K600,475

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.