JOHN G ULLMAN & ASSOCIATES INC — 13F Holdings & Portfolio
CIK 919530 · latest 13F-HR filed 2026-08-11
JOHN G ULLMAN & ASSOCIATES INC manages $824.4M in 13F-reported U.S. long-equity assets across 181 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are GLW (7.25%), TSM (6.25%), CSCO (4.51%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 19 new positions, exited 12, added to 86, and trimmed 36.
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.
P O BOX 1424
CORNING, NY 14830
$824.4M
Long-equity book
181
Distinct positions
2026-06-30
Filed 2026-08-11
+19 / −12 / ↑86 / ↓36
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- CORNING INC$16.3M +37.4%
- CISCO SYSTEMS INC$12.3M +49.5%
- TAIWAN SEMICONDUCTOR M F SPONS$10.7M +26.2%
- INTEL CORP$4.4M +75.4%
- MERCADOLIBRE ORD$3.9M +135.8%
Top Trims
- BLOOM ENERGY CORP CLASS A-$2.1M -12.2%
- CACI INTL INC CLASS A-$1.7M -17.4%
- ESSENTIAL UTILS INC-$1.7M -10.4%
- EQT CORP-$1.7M -17.6%
- EQUINOR ASA F SPONSORED ADR 1-$1.5M -26.7%
New Positions
- EXXON MOBIL HOLDINGS CORP$14.3M
- HONEYWELL INTL INC$3.3M
- HONEYWELL AEROSPACE$3.2M
- CHARLES SCHWAB CORP$2.8M
- VEEVA SYSTEMS ORD$2.2M
Exited Positions
- EXXON MOBIL CORP$17.8M
- AMERICAN TOWER CORP NEW REIT$10.9M
- HONEYWELL INTL INC$6.6M
- ZIMMER BIOMET HLDGS INC$1.7M
- PLANET FITNESS INC$1.3M
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 | $59.7M | 7.25% | 233,865 | SH |
| 2 | TAIWAN SEMICONDUCTOR M F SPONS | TSM | 874039100 | $51.5M | 6.25% | 107,860 | SH |
| 3 | CISCO SYSTEMS INC | CSCO | 17275R102 | $37.2M | 4.51% | 316,593 | SH |
| 4 | EMERSON ELEC CO | EMR | 291011104 | $35.5M | 4.31% | 248,310 | SH |
| 5 | OGE ENERGY CORP | OGE | 670837103 | $22.3M | 2.71% | 458,935 | SH |
| 6 | BROADCOM INC | AVGO | 11135F101 | $21.2M | 2.57% | 56,147 | SH |
| 7 | TE CONNECTIVITY PLC F | TEL | G87052109 | $19.0M | 2.30% | 94,165 | SH |
| 8 | AMAZON.COM INC | AMZN | 023135106 | $15.1M | 1.83% | 63,224 | SH |
| 9 | BLOOM ENERGY CORP CLASS A | BE | 093712107 | $14.9M | 1.81% | 49,359 | SH |
| 10 | ESSENTIAL UTILS INC | WTRG | 29670G102 | $14.6M | 1.77% | 380,232 | SH |
| 11 | EXXON MOBIL HOLDINGS CORP | XOM | 30233Q108 | $14.3M | 1.73% | 104,450 | SH |
| 12 | DOMINION ENERGY INC | D | 25746U109 | $13.5M | 1.63% | 197,146 | SH |
| 13 | EVERSOURCE ENERGY | ES | 30040W108 | $13.3M | 1.61% | 183,791 | SH |
| 14 | NEXTERA ENERGY INC | NEE | 65339F101 | $13.0M | 1.58% | 148,559 | SH |
| 15 | IBM CORP | IBM | 459200101 | $12.4M | 1.51% | 44,270 | SH |
| 16 | SCHLUMBERGER LTD F | SLB | 806857108 | $12.4M | 1.50% | 266,070 | SH |
| 17 | MERCK & CO. INC. | MRK | 58933Y105 | $12.1M | 1.47% | 94,029 | SH |
| 18 | LINDSAY CORP | LNN | 535555106 | $11.9M | 1.44% | 95,760 | SH |
| 19 | GENERAC HLDGS INC | GNRC | 368736104 | $11.6M | 1.41% | 39,595 | SH |
| 20 | MICROSOFT CORP | MSFT | 594918104 | $10.8M | 1.32% | 29,080 | SH |
| 21 | PORTLAND GENERAL ELECTRIC CO | POR | 736508847 | $10.5M | 1.28% | 202,882 | SH |
| 22 | INTEL CORP | INTC | 458140100 | $10.3M | 1.25% | 73,999 | SH |
| 23 | ASTEC INDUSTRIES INC | ASTE | 046224101 | $9.2M | 1.11% | 150,165 | SH |
| 24 | FLOWSERVE CORP | FLS | 34354P105 | $9.2M | 1.11% | 123,725 | SH |
| 25 | DISNEY WALT CO | DIS | 254687106 | $9.0M | 1.09% | 93,007 | SH |
| 26 | EAGLE MATLS INC | EXP | 26969P108 | $8.4M | 1.02% | 37,246 | SH |
| 27 | CACI INTL INC CLASS A | CACI | 127190304 | $8.3M | 1.01% | 17,924 | SH |
| 28 | BRISTOL-MYERS SQUIBB | BMY | 110122108 | $8.2M | 1.00% | 142,903 | SH |
| 29 | GRANITE CONSTR INC | GVA | 387328107 | $8.1M | 0.98% | 51,355 | SH |
| 30 | ALPHABET INC CLASS A | GOOGL | 02079K305 | $8.1M | 0.98% | 22,620 | SH |
| 31 | WESTERN DIGITAL CORP | WDC | 958102105 | $8.0M | 0.97% | 12,491 | SH |
| 32 | JAZZ PHARMACEUTICALS P F | JAZZ | G50871105 | $7.9M | 0.96% | 32,693 | SH |
| 33 | EVERUS CONSTRUCTION GROUP ORD | ECG | 300426103 | $7.9M | 0.95% | 47,304 | SH |
| 34 | EQT CORP | EQT | 26884L109 | $7.8M | 0.95% | 147,291 | SH |
| 35 | GORMAN RUPP CO CLASS EQUITY | GRC | 383082104 | $7.8M | 0.95% | 85,045 | SH |
| 36 | M D U RESOURCES GRP | MDU | 552690109 | $7.6M | 0.92% | 358,848 | SH |
| 37 | TWILIO CL A ORD | TWLO | 90138F102 | $7.0M | 0.85% | 33,766 | SH |
| 38 | MERCADOLIBRE ORD | MELI | 58733R102 | $6.8M | 0.82% | 4,000 | SH |
| 39 | ITRON INC | ITRI | 465741106 | $6.7M | 0.82% | 77,731 | SH |
| 40 | VULCAN MATLS CO | VMC | 929160109 | $6.7M | 0.81% | 22,600 | SH |
| 41 | STATE STR CORP | STT | 857477103 | $6.6M | 0.80% | 38,988 | SH |
| 42 | TOMPKINS FINL CORP | TMP | 890110109 | $6.4M | 0.78% | 67,932 | SH |
| 43 | NEW JERSEY RES CORP | NJR | 646025106 | $6.2M | 0.75% | 109,960 | SH |
| 44 | ALPHABET INC CLASS C | GOOG | 02079K107 | $5.9M | 0.72% | 16,688 | SH |
| 45 | CIENA CORP | CIEN | 171779309 | $5.8M | 0.70% | 11,725 | SH |
| 46 | SYSCO CORP | SYY | 871829107 | $5.7M | 0.69% | 67,847 | SH |
| 47 | THERMO FISHER SCIENTIFIC | TMO | 883556102 | $5.6M | 0.68% | 11,198 | SH |
| 48 | PFIZER INC | PFE | 717081103 | $5.5M | 0.67% | 229,216 | SH |
| 49 | KEURIG DR PEPPER INC | KDP | 49271V100 | $5.3M | 0.65% | 162,534 | SH |
| 50 | VANGUARD S&P 500 ETF | VOO | 922908363 | $5.3M | 0.64% | 7,728 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-11 | $824.4M | 181 | 0000919530-26-000003 |
| 2026-03-31 | 2026-05-06 | $754.3M | 174 | 0000919530-26-000002 |
| 2025-12-31 | 2026-02-05 | $750.0M | 179 | 0000919530-26-000001 |