Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

JOHN G ULLMAN & ASSOCIATES INC 13F Holdings -- Portfolio & Top Positions (2026-03-31)

JOHN G ULLMAN & ASSOCIATES INC (CIK 919530) reported $754.3M across 173 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: GLW ($43.5M, 5.76%), TSM ($40.8M, 5.41%), EMR ($32.8M, 4.35%), CSCO ($24.9M, 3.30%), OGE ($23.3M, 3.09%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1GLWCORNING INC$43.5M5.76%319,742Trimmed
2TSMTAIWAN SEMICONDUCTOR M F SPONS$40.8M5.41%120,778Trimmed
3EMREMERSON ELEC CO$32.8M4.35%250,719Trimmed
4CSCOCISCO SYSTEMS INC$24.9M3.30%320,574Trimmed
5OGEOGE ENERGY CORP$23.3M3.09%485,435Trimmed
6TELTE CONNECTIVITY PLC F$19.9M2.64%95,325Trimmed
7AVGOBROADCOM INC$18.0M2.39%58,205Trimmed
8XOMEXXON MOBIL CORP$17.8M2.36%104,772Trimmed
9BEBLOOM ENERGY CORP CLASS A$17.0M2.26%125,662Trimmed
10WTRGESSENTIAL UTILS INC$16.3M2.15%403,549Trimmed
11NEENEXTERA ENERGY INC$13.9M1.85%150,053Trimmed
12SLBSCHLUMBERGER LTD F$13.7M1.82%266,895Trimmed
13ESEVERSOURCE ENERGY$13.4M1.78%193,788Trimmed
14AMZNAMAZON.COM INC$13.2M1.75%63,233Trimmed
15DDOMINION ENERGY INC$12.3M1.63%198,571Added
16PORPORTLAND GENERAL ELECTRIC CO$11.3M1.50%214,357Trimmed
17MRKMERCK & CO. INC.$11.3M1.50%94,272Trimmed
18AMTAMERICAN TOWER CORP NEW REIT$10.9M1.45%63,259Added
19GNRCGENERAC HLDGS INC$10.8M1.44%55,500Trimmed
20IBMIBM CORP$10.8M1.43%44,520Trimmed
21MSFTMICROSOFT CORP$10.7M1.42%29,035Trimmed
22LNNLINDSAY CORP$10.5M1.40%88,410Added
23CACICACI INTL INC CLASS A$10.0M1.33%18,474Trimmed
24EQTEQT CORP$9.5M1.26%149,316Added
25FLSFLOWSERVE CORP$9.2M1.22%124,825Trimmed

Source: SEC Form 13F filings · as of 2026-03-31