JOHN G ULLMAN & ASSOCIATES INC — 13F Holdings & Portfolio
CIK 919530 · latest 13F-HR filed 2026-05-06
JOHN G ULLMAN & ASSOCIATES INC manages $754.3M in 13F-reported U.S. long-equity assets across 174 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are GLW (5.76%), TSM (5.41%), EMR (4.35%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 10 new positions, exited 15, added to 67, and trimmed 59.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$754.3M
Long-equity book
174
Distinct positions
2026-03-31
Filed 2026-05-06
+10 / −15 / ↑67 / ↓59
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- CORNING INC$9.9M +29.5%
- BLOOM ENERGY CORP CLASS A$5.5M +47.6%
- EXXON MOBIL CORP$5.1M +40.5%
- SCHLUMBERGER LTD F$3.3M +32.1%
- GENERAC HLDGS INC$3.0M +38.2%
Top Trims
- MICROSOFT CORP-$4.4M -29.0%
- EMERSON ELEC CO-$4.0M -10.8%
- IBM CORP-$3.6M -25.2%
- BROADCOM INC-$3.6M -16.6%
- ADOBE INC-$3.4M -80.9%
New Positions
- MERCADOLIBRE ORD$2.9M
- MOHAWK INDUSTRIES ORD$1.1M
- CHEWY INC CLASS A$523.8K
- THE MOSAIC CO$401.6K
- BAXTER INTL INC$298.9K
Exited Positions
- SANDISK CORP SNDK$4.0M
- TEXAS INSTRS INC$605.7K
- LABCORP HLDGS INC$554.4K
- IQVIA HLDGS INC$428.3K
- GENERAL MTRS CO$410.7K
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | CORNING INC | GLW | 219350105 | $43.5M | 5.76% | 319,742 | SH |
| 2 | TAIWAN SEMICONDUCTOR M F SPONS | TSM | 874039100 | $40.8M | 5.41% | 120,778 | SH |
| 3 | EMERSON ELEC CO | EMR | 291011104 | $32.8M | 4.35% | 250,719 | SH |
| 4 | CISCO SYSTEMS INC | CSCO | 17275R102 | $24.9M | 3.30% | 320,574 | SH |
| 5 | OGE ENERGY CORP | OGE | 670837103 | $23.3M | 3.09% | 485,435 | SH |
| 6 | TE CONNECTIVITY PLC F | TEL | G87052109 | $19.9M | 2.64% | 95,325 | SH |
| 7 | BROADCOM INC | AVGO | 11135F101 | $18.0M | 2.39% | 58,205 | SH |
| 8 | EXXON MOBIL CORP | XOM | 30231G102 | $17.8M | 2.36% | 104,772 | SH |
| 9 | BLOOM ENERGY CORP CLASS A | BE | 093712107 | $17.0M | 2.26% | 125,662 | SH |
| 10 | ESSENTIAL UTILS INC | WTRG | 29670G102 | $16.3M | 2.15% | 403,549 | SH |
| 11 | NEXTERA ENERGY INC | NEE | 65339F101 | $13.9M | 1.85% | 150,053 | SH |
| 12 | SCHLUMBERGER LTD F | SLB | 806857108 | $13.7M | 1.82% | 266,895 | SH |
| 13 | EVERSOURCE ENERGY | ES | 30040W108 | $13.4M | 1.78% | 193,788 | SH |
| 14 | AMAZON.COM INC | AMZN | 023135106 | $13.2M | 1.75% | 63,233 | SH |
| 15 | DOMINION ENERGY INC | D | 25746U109 | $12.3M | 1.63% | 198,571 | SH |
| 16 | MERCK & CO. INC. | MRK | 58933Y105 | $11.3M | 1.50% | 94,272 | SH |
| 17 | PORTLAND GENERAL ELECTRIC CO | POR | 736508847 | $11.3M | 1.50% | 214,357 | SH |
| 18 | AMERICAN TOWER CORP NEW REIT | AMT | 03027X100 | $10.9M | 1.45% | 63,259 | SH |
| 19 | GENERAC HLDGS INC | GNRC | 368736104 | $10.8M | 1.44% | 55,500 | SH |
| 20 | IBM CORP | IBM | 459200101 | $10.8M | 1.43% | 44,520 | SH |
| 21 | MICROSOFT CORP | MSFT | 594918104 | $10.7M | 1.42% | 29,035 | SH |
| 22 | LINDSAY CORP | LNN | 535555106 | $10.5M | 1.40% | 88,410 | SH |
| 23 | CACI INTL INC CLASS A | CACI | 127190304 | $10.0M | 1.33% | 18,474 | SH |
| 24 | EQT CORP | EQT | 26884L109 | $9.5M | 1.26% | 149,316 | SH |
| 25 | FLOWSERVE CORP | FLS | 34354P105 | $9.2M | 1.22% | 124,825 | SH |
| 26 | WESTERN DIGITAL CORP | WDC | 958102105 | $8.9M | 1.18% | 32,958 | SH |
| 27 | BRISTOL-MYERS SQUIBB | BMY | 110122108 | $8.8M | 1.16% | 144,565 | SH |
| 28 | ASTEC INDUSTRIES INC | ASTE | 046224101 | $8.2M | 1.09% | 152,109 | SH |
| 29 | EVERUS CONSTRUCTION GROUP ORD | ECG | 300426103 | $8.0M | 1.06% | 67,874 | SH |
| 30 | DISNEY WALT CO | DIS | 254687106 | $8.0M | 1.06% | 83,042 | SH |
| 31 | M D U RESOURCES GRP | MDU | 552690109 | $7.8M | 1.03% | 376,640 | SH |
| 32 | ITRON INC | ITRI | 465741106 | $7.2M | 0.96% | 80,656 | SH |
| 33 | GORMAN RUPP CO CLASS EQUITY | GRC | 383082104 | $7.0M | 0.93% | 112,656 | SH |
| 34 | GRANITE CONSTR INC | GVA | 387328107 | $6.9M | 0.92% | 57,755 | SH |
| 35 | HONEYWELL INTL INC | HON | 438516106 | $6.6M | 0.88% | 29,360 | SH |
| 36 | NEW JERSEY RES CORP | NJR | 646025106 | $6.4M | 0.85% | 117,260 | SH |
| 37 | VULCAN MATLS CO | VMC | 929160109 | $6.2M | 0.82% | 22,850 | SH |
| 38 | JAZZ PHARMACEUTICALS P F | JAZZ | G50871105 | $6.2M | 0.82% | 32,833 | SH |
| 39 | BCE INC F | BCE | 05534B760 | $6.1M | 0.81% | 241,927 | SH |
| 40 | ALPHABET INC CLASS A | GOOGL | 02079K305 | $6.1M | 0.81% | 21,173 | SH |
| 41 | PFIZER INC | PFE | 717081103 | $6.0M | 0.80% | 214,087 | SH |
| 42 | INTEL CORP | INTC | 458140100 | $5.9M | 0.78% | 133,464 | SH |
| 43 | EAGLE MATLS INC | EXP | 26969P108 | $5.6M | 0.74% | 29,296 | SH |
| 44 | EQUINOR ASA F SPONSORED ADR 1 | EQNR | 29446M102 | $5.5M | 0.73% | 130,159 | SH |
| 45 | TOMPKINS FINL CORP | TMP | 890110109 | $5.4M | 0.72% | 68,792 | SH |
| 46 | THERMO FISHER SCIENTIFIC | TMO | 883556102 | $5.4M | 0.72% | 10,995 | SH |
| 47 | IDACORP INC | IDA | 451107106 | $5.2M | 0.68% | 36,029 | SH |
| 48 | STATE STR CORP | STT | 857477103 | $5.0M | 0.66% | 39,588 | SH |
| 49 | VANECK VIETNAM ETF | VNM | 92189F817 | $5.0M | 0.66% | 287,644 | SH |
| 50 | SYSCO CORP | SYY | 871829107 | $5.0M | 0.66% | 69,660 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-06 | $754.3M | 174 | 0000919530-26-000002 |
| 2025-12-31 | 2026-02-05 | $750.0M | 179 | 0000919530-26-000001 |