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Electro-Sensors (ELSE)

Industrial sensors that monitor machine speed, temperature, vibration, position, and hazards.

$7.74
At close+0.00 (+0.00%)
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Breakdown13F · 13D/G · Form 4

Institutions8 holders · as of Mar 31, 202611.89%419.9K shares
Insiders8 holders · as of Feb 18, 202663.40%2.24M shares
Otherremainder24.71%873.0K shares

3.53M company shares as of Sep 3, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing

Top shareholders13F · 13D/G · Form 4

HolderStakeSharesEvidence
Patricia N. PetersonInsider
10.33%364,76813Dfiled Feb 14, 2024 ↗
Jeffrey D. PetersonInsider
10.01%353,43813Dfiled Feb 14, 2024 ↗
Lynne E. PetersonInsider
9.93%350,93813Dfiled Feb 14, 2024 ↗
John E. PetersonInsider
9.93%350,89313Dfiled Feb 14, 2024 ↗
Paul R. PetersonInsider
9.93%350,89313Dfiled Feb 14, 2024 ↗
Caldwell Sutter Capital, Inc.Institution
7.08%250,16113Fas of Mar 31, 2026
Joseph F. HelmerInsider
6.50%229,58113Gfiled Feb 10, 2023 ↗
Miles P. Jennings, Jr.Insider
4.95%175,00013Gfiled Feb 23, 2017 ↗
Renaissance Technologies LLCInstitution
2.09%73,90013Fas of Mar 31, 2026
David L. KlenkInsiderofficer: CEO
1.81%64,000Form 4filed Feb 18, 2026 ↗
Vanguard Capital Management LLCInstitution
1.53%53,93113Fas of Mar 31, 2026
Dimensional Fund Advisors LPInstitution
0.58%20,63513Fas of Mar 31, 2026
Vanguard Fiduciary Trust CoInstitution
0.46%16,37013Fas of Mar 31, 2026
Morgan StanleyInstitution
0.11%3,75113Fas of Mar 31, 2026
Tower Research Capital LLC (TRC)Institution
0.03%1,13913Fas of Mar 31, 2026
Sbi Securities Co., Ltd.Institution
0.00%2213Fas of Mar 31, 2026
Battery Partners XIV (AIV I Cayman), Ltd.Strategic
—52.50% of class, as filed—13Dfiled Apr 27, 2026 ↗
E. LazarInsider
—5.70% of class, as filed—13Dfiled Jan 14, 2022 ↗
of Nancy P. Peterson EstateInsider10 percent owner
0.00%0Form 4filed Dec 30, 2021 ↗
Renaissance Technologies Holdings CorporationStrategic
—4.03% of class, as filed—13Gfiled Feb 10, 2022 ↗
Patricia Nancy Peterson1Insider10 percent owner
10.33%364,768Form 4filed Dec 30, 2021 ↗
Jeffrey Dean Peterson2Insiderdirector, 10 percent owner
10.01%353,438Form 4filed Jul 18, 2022 ↗
John Eberhart Peterson3Insider10 percent owner
9.93%350,893Form 4filed Jan 3, 2022 ↗
Lynne Elizabeth Peterson1Insider10 percent owner
9.93%350,893Form 4filed Dec 30, 2021 ↗
Paul Rodney Peterson1Insider10 percent owner
9.93%350,893Form 4filed Dec 30, 2021 ↗
  1. Last filed Dec 30, 2021; leaving the company requires no filing. Not in the bar.
  2. Last filed Jul 18, 2022; leaving the company requires no filing. Not in the bar.
  3. Last filed Jan 3, 2022; leaving the company requires no filing. Not in the bar.

13F — a manager's quarterly holdings · 13D/13G — an ownership statement filed at 5% or more · Form 4 — an insider's transaction report

Institutions13F, as of Mar 31, 2026

8 holders · 419.9K shares · 2 new positions · 5 increased · 1 reduced · 4 closed

HolderShares% outstandingChg q/qFiled
Caldwell Sutter Capital, Inc.250.2K7.08%+109May 6, 2026
Renaissance Technologies LLC73.9K2.09%−4.5KMay 14, 2026
Vanguard Capital Management LLC53.9K1.53%+53.9KnewMay 15, 2026
Dimensional Fund Advisors LP20.6K0.58%+465May 7, 2026
Vanguard Fiduciary Trust Co16.4K0.46%+16.4KnewMay 8, 2026
Morgan Stanley3.8K0.11%0May 15, 2026
Tower Research Capital LLC (TRC)1.1K0.03%+223May 15, 2026
Sbi Securities Co., Ltd.220.00%0Apr 28, 2026

Ownership statements13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Battery Partners XIV (AIV I Cayman), Ltd.incl. Jesse Feldman, Battery Partners XIV (AIV I Cayman), L.P. +11 more52.50%1.94M13DApr 27, 2026 ↗
Caldwell Sutter Capital, Inc.6.80%232.1K13GFeb 11, 2025 ↗

Insider tradesForm 4

Latest trades

No open-market trades in the last 12 months.

CongressHouse and Senate disclosures

Not reported.