Electro-SensorsELSE

13F holders, Q1 2026 (March 31)
8holders −2
0new positions
3sold out
1famous investor
$4.45avg. 13F price*

At the end of Q1 2026, 8 institutions reported holding Electro-Sensors Inc. (ELSE) in their 13F filings, down 2 from Q4 2025. 0 opened new positions and 3 sold out. The largest holders were Caldwell Sutter Capital, Inc. ($1.1M), Renaissance Technologies ($329K) and Vanguard Capital Management LLC ($241K). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).

Company
Electro-Sensors Inc.
CUSIP
285233102
Latest filing quarter
Q2 2026

History

Number of 13F holders

051015 Q1 2024: 11Q1 2024Q2 2024: 12Q2 2024Q3 2024: 11Q3 2024Q4 2024: 13Q4 2024Q1 2025: 14Q1 2025Q2 2025: 13Q2 2025Q3 2025: 12Q3 2025Q4 2025: 10Q4 2025Q1 2026: 8Q1 2026Q2 2026: 11Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions0$0
Exits3$12K

All 13F filers, Q4 2025 → Q1 2026: 797 shares bought and 7,321 shares sold, net −6,524 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 8 holders

Caldwell Sutter Capital, Inc. 0.45% Add +0.0% 250,161 $1.1M
Renaissance Technologies 0.00% Reduce -5.7% 73,900 $329K
Vanguard Capital Management LLC 0.00% — 53,931 $241K
Dimensional Fund Advisors LP 0.00% Add +2.3% 20,635 $92K
Vanguard Fiduciary Trust Co. 0.00% — 16,370 $73K
Morgan Stanley 0.00% No change 3,751 $17K
Tower Research Capital LLC (TRC) 0.00% Add +24.3% 1,139 $5K
SBI Securities Co., Ltd. 0.00% No change 22 $98

"% of holder's portfolio" is ELSE's weight in each manager's 13F, not the share of Electro-Sensors Inc. the manager owns.