ESPEY MFG & ELECTRONICS CORP (ESP) Top Institutional Shareholders
ESPEY MFG & ELECTRONICS CORP (ESP) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $50.88M in ESP holdings during the latest filing period.
Renaissance Technologies LLC is currently the largest disclosed institutional shareholder of ESP tracked by InsiderSet, reporting ownership valued at approximately $5.72M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $6.13M, representing an estimated gain of +7.16% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 61% of the total disclosed ESP value among the investors covered in this analysis. Major shareholders include Renaissance Technologies LLC, Dimensional Fund Advisors Lp, Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in ESPEY MFG & ELECTRONICS CORP (ESP).
This page ranks the largest institutional ESP shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
60
Total Reported Value
$50.88M
Largest Holder
Renaissance Technologies LLC
Largest Position
$5.72M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
64
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Renaissance Technologies LLC | Jim Simons | 0.01% | 103,212 | $5,720,009 | $6,129,761 | +$409,752 | +7.16% |
| Dimensional Fund Advisors Lp | 0.00% | 93,523 | $5,182,884 | $5,554,331 | +$371,447 | +7.17% | |
| Vanguard Capital Management Llc | 0.00% | 85,006 | $4,711,033 | $5,048,506 | +$337,473 | +7.16% | |
| Arrowstreet Capital, Limited Partnership | 0.00% | 61,879 | $3,429,334 | $3,674,994 | +$245,660 | +7.16% | |
| De Lisle Partners Llp | 0.37% | 56,247 | $3,126,490 | $3,340,509 | +$214,019 | +6.85% | |
| American Century Companies Inc | 0.00% | 53,086 | $2,942,026 | $3,152,778 | +$210,752 | +7.16% | |
| O'Shaughnessy Asset Management, Llc | 0.01% | 30,878 | $1,711,259 | $1,833,844 | +$122,585 | +7.16% | |
| Millennium Management Llc | 0.00% | 27,532 | $1,525,823 | $1,635,125 | +$109,302 | +7.16% | |
| Two Sigma Investments, Lp | 0.00% | 26,073 | $1,444,966 | $1,548,475 | +$103,509 | +7.16% | |
| Sei Investments Co | 0.00% | 24,968 | $1,383,727 | $1,482,850 | +$99,123 | +7.16% | |
| Geode Capital Management, Llc | 0.00% | 24,454 | $1,356,237 | $1,452,323 | +$96,086 | +7.08% | |
| Ritholtz Wealth Management | 0.02% | 24,085 | $1,334,769 | $1,430,408 | +$95,639 | +7.17% | |
| Informed Momentum Co Llc | 0.13% | 20,510 | $1,136,664 | $1,218,089 | +$81,425 | +7.16% | |
| Citadel Advisors Llc | 0.00% | 20,280 | $1,123,918 | $1,204,429 | +$80,511 | +7.16% | |
| Sidoxia Capital Management, Llc | 0.89% | 18,633 | $1,032,658 | $1,106,614 | +$73,956 | +7.16% | |
| Steel Partners Holdings L.P. | 0.96% | 16,627 | $921,468 | $987,478 | +$66,010 | +7.16% | |
| Summerhaven Investment Management, Llc | 0.54% | 16,017 | $887,662 | $951,250 | +$63,588 | +7.16% | |
| Wells Fargo & Company/Mn | 0.00% | 15,501 | $859,045 | $920,604 | +$61,559 | +7.17% | |
| Naples Global Advisors, Llc | 0.06% | 14,877 | $824,510 | $883,545 | +$59,035 | +7.16% | |
| Sage Investment Advisers Llc | 0.61% | 14,440 | $823,346 | $857,592 | +$34,246 | +4.16% | |
| Vanguard Fiduciary Trust Co | 0.00% | 13,085 | $725,171 | $777,118 | +$51,947 | +7.16% | |
| Bank Of New York Mellon Corp | 0.00% | 11,925 | $660,900 | $708,226 | +$47,326 | +7.16% | |
| State Street Corp | 0.00% | 10,893 | $603,690 | $646,935 | +$43,245 | +7.16% | |
| Man Group Plc | 0.00% | 10,821 | $599,700 | $642,659 | +$42,959 | +7.16% | |
| Goldman Sachs Group Inc | 0.00% | 10,724 | $594,324 | $636,898 | +$42,574 | +7.16% | |
| Flagship Harbor Advisors, Llc | 0.03% | 10,592 | $587,009 | $629,059 | +$42,050 | +7.16% | |
| Blackrock, Inc. | 0.00% | 10,184 | $564,397 | $604,828 | +$40,431 | +7.16% | |
| Marshall Wace, Llp | 0.00% | 9,416 | $521,834 | $559,216 | +$37,382 | +7.16% | |
| Morgan Stanley | 0.00% | 9,119 | $505,406 | $541,577 | +$36,171 | +7.16% | |
| Morgan Dempsey Capital Management Llc | 0.20% | 8,093 | $448,514 | $480,643 | +$32,129 | +7.16% | |
| Jane Street Group, Llc | 0.00% | 8,061 | $446,741 | $478,743 | +$32,002 | +7.16% | |
| First Trust Advisors Lp | 0.00% | 6,963 | $385,889 | $413,533 | +$27,644 | +7.16% | |
| Osaic Holdings, Inc. | 0.00% | 6,587 | $365,087 | $391,202 | +$26,115 | +7.15% | |
| Lazard Asset Management Llc | 0.00% | 5,969 | $330,802 | $354,499 | +$23,697 | +7.16% | |
| Xtx Topco Ltd | 0.00% | 5,087 | $281,922 | $302,117 | +$20,195 | +7.16% | |
| Northern Trust Corp | 0.00% | 5,078 | $281,423 | $301,582 | +$20,159 | +7.16% | |
| Gc Wealth Management Ria, Llc | 0.01% | 4,961 | $274,939 | $294,634 | +$19,695 | +7.16% | |
| Bridgeway Capital Management, Llc | 0.01% | 4,608 | $255,375 | $273,669 | +$18,294 | +7.16% | |
| Tidal Investments Llc | 0.00% | 4,226 | $234,205 | $250,982 | +$16,777 | +7.16% | |
| Hudson Bay Capital Management Lp | 0.00% | 3,778 | $209,377 | $224,375 | +$14,998 | +7.16% | |
| Ubs Group Ag | 0.00% | 2,396 | $132,786 | $142,298 | +$9,512 | +7.16% | |
| Copeland Capital Management, Llc | 0.00% | 1,387 | $76,867 | $82,374 | +$5,507 | +7.16% | |
| Adirondack Trust Co | 0.02% | 1,333 | $73,874 | $79,167 | +$5,293 | +7.16% | |
| Beacon Investment Advisory Services, Inc. | 0.00% | 925 | $51,264 | $54,936 | +$3,672 | +7.16% | |
| Citigroup Inc | 0.00% | 670 | $37,131 | $39,791 | +$2,660 | +7.16% | |
| Barclays Plc | 0.00% | 652 | $36,134 | $38,722 | +$2,588 | +7.16% | |
| Vanguard Global Advisers, Llc | 0.00% | 625 | $34,638 | $37,119 | +$2,481 | +7.16% | |
| Rockefeller Capital Management L.P. | 0.00% | 525 | $29,122 | $31,180 | +$2,058 | +7.07% | |
| Us Bancorp \De\ | 0.00% | 283 | $15,684 | $16,807 | +$1,123 | +7.16% | |
| Pnc Financial Services Group, Inc. | 0.00% | 200 | $11,084 | $11,878 | +$794 | +7.16% |
Frequently asked questions about ESP
Who owns the most ESP stock?
The largest holders of ESP are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ESPEY MFG & ELECTRONICS CORP (ESP).
Is ESP widely held by superinvestors?
Many widely followed stocks like ESP appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly ESP is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.