John G Ullman & Associates Inc.
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 5, 2025), John G Ullman & Associates Inc. reported 173 stock positions worth $742.7 million. Its top holding was Taiwan Semiconductor-SP ADR (TSM) at 5.1% of the portfolio, followed by Emerson Electric (EMR, 5.0%) and Corning (GLW, 4.5%). Compared with Q2 2025, it opened 8 new positions, sold out of 9, added to 40 and reduced 83. The biggest buy was Nextera Energy (NEE, shares +481%) and the biggest sale Novartis AG-Sponsored ADR (NVS, shares −98%).
- Most Recent 13F
- Q2 2026
- Location
- CORNING, NY
- CIK
- 0000919530
- Portfolio Value
- $742.7M (Q3 2025)
- SEC Filing
- 0000919530-25-000006 ↗ filed Nov 5, 2025
Holdings Value
Holdings 173 stocks · $742.7M
| TSM Taiwan Semiconductor-SP ADR | 5.09% | 135,335 | $37.8M | Reduce -2.4% |
| EMR Emerson Electric Co. | 4.97% | 281,602 | $36.9M | Reduce -0.8% |
| GLW Corning Inc. | 4.52% | 409,169 | $33.6M | Reduce -27.0% |
| AVGO Broadcom Inc. | 3.64% | 81,921 | $27.0M | Reduce -6.4% |
| OGE Oge Energy Corp. | 3.17% | 508,249 | $23.5M | Reduce -1.2% |
| CSCO Cisco Systems Inc. | 3.08% | 334,215 | $22.9M | Reduce -0.6% |
| TEL Te Connectivity PLC | 3.02% | 102,219 | $22.4M | Reduce -1.6% |
| IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS | 2.58% | 68,020 | $19.2M | Reduce -17.8% |
| BE Bloom Energy Corp. Class A | 2.56% | 225,183 | $19.0M | Reduce -20.4% |
| WTRG Essential Utilities Inc. | 2.50% | 464,925 | $18.6M | Add +74.8% |
| MSFT Microsoft Corp. | 2.23% | 31,959 | $16.6M | Reduce -0.6% |
| AMZN Amazon.com Inc. | 2.01% | 68,089 | $15.0M | Reduce -1.0% |
| XOM Exxon Mobil Corp. | 1.62% | 106,789 | $12.0M | Reduce -0.2% |
| NEE Nextera Energy Inc. | 1.59% | 156,653 | $11.8M | Add +481.3% |
| ES Eversource Energy | 1.56% | 162,925 | $11.6M | Add +44.6% |
| D Dominion Energy Inc. | 1.49% | 180,488 | $11.0M | Add +74.9% |
| AMT American Tower Corp. | 1.47% | 56,718 | $10.9M | Add +7.0% |
| CACI Caci International Inc. Class A | 1.34% | 19,899 | $9.9M | Reduce -1.6% |
| GNRC Generac Holdings Inc. | 1.30% | 57,875 | $9.7M | Reduce -0.7% |
| POR Portland General Electric Co. | 1.30% | 219,834 | $9.7M | Add +18.2% |
| SLB SLB Ltd. filed as SCHLUMBERGER LTD | 1.27% | 275,120 | $9.5M | Add +0.3% |
| WDC Western Digital Corp. | 1.23% | 76,058 | $9.1M | Reduce -17.8% |
| ASTE Astec Industries Inc. | 1.17% | 180,276 | $8.7M | Reduce -2.0% |
| DIS The Walt Disney Co. filed as DISNEY WALT CO | 1.15% | 74,844 | $8.6M | Reduce -2.0% |
| GVA Granite Construction Inc. | 1.15% | 77,630 | $8.5M | Reduce -2.1% |
| MRK Merck & Co. Inc. | 1.12% | 98,706 | $8.3M | Add +4.7% |
| LNN Lindsay Corp. | 1.10% | 57,975 | $8.1M | Reduce -0.4% |
| EQT Eqt Corp. | 1.05% | 143,850 | $7.8M | Add +77.4% |
| VMC Vulcan Materials Co. | 1.05% | 25,350 | $7.8M | Reduce -1.6% |
| FLS Flowserve Corp. | 1.01% | 141,150 | $7.5M | Reduce -1.6% |
| ITRI Itron Inc. | 0.97% | 58,005 | $7.2M | Reduce -0.8% |
| MDU Mdu Resources Group Inc. | 0.94% | 391,720 | $7.0M | Reduce -0.7% |
| ECG Everus Construction Group | 0.93% | 80,947 | $6.9M | Reduce -10.5% |
| BMY Bristol-Myers Squibb Co. | 0.92% | 152,108 | $6.9M | Reduce -1.6% |
| HON Honeywell International Inc. | 0.85% | 29,961 | $6.3M | Reduce -0.8% |
| LITE Lumentum Holdings Inc. | 0.83% | 37,673 | $6.1M | Reduce -25.0% |
| INTC Intel Corp. | 0.82% | 181,809 | $6.1M | Add +0.3% |
| TMO Thermo Fisher Scientific Inc. | 0.79% | 12,090 | $5.9M | Add +4.1% |
| NJR New Jersey Resources Corp. | 0.78% | 120,994 | $5.8M | Reduce -1.1% |
| SYY Sysco Corp. | 0.78% | 70,218 | $5.8M | Reduce -2.9% |
| EXP Eagle Materials Inc. | 0.77% | 24,500 | $5.7M | Add +55.3% |
| TMP Tompkins Financial Corp. | 0.76% | 84,843 | $5.6M | Reduce -1.9% |
| NXST Nexstar Media Group Inc. | 0.73% | 27,475 | $5.4M | Reduce -0.4% |
| GOOGL Alphabet Inc. Class A | 0.73% | 22,323 | $5.4M | Reduce -1.7% |
| VNM Vaneck Vietnam ETF | 0.72% | 299,674 | $5.3M | Reduce -4.7% |
| GRC Gorman-Rupp Co. | 0.72% | 114,931 | $5.3M | Add +2.8% |
| LOW Lowe's Cos Inc. | 0.68% | 20,230 | $5.1M | Reduce -1.6% |
| IDA Idacorp Inc. | 0.68% | 38,379 | $5.1M | Reduce -3.1% |
| STT State Street Corp. | 0.67% | 42,593 | $4.9M | Reduce -0.9% |
| FISV Fiserv Inc. | 0.66% | 37,971 | $4.9M | Add +3.2% |
| JAZZ Jazz Pharmaceuticals PLC | 0.63% | 35,375 | $4.7M | Reduce -1.5% |
| SNOW Snowflake Inc. | 0.61% | 20,066 | $4.5M | Reduce -0.3% |
| KNF Knife River Corp. | 0.60% | 57,942 | $4.5M | Reduce -0.1% |
| ORCL Oracle Corp. | 0.59% | 15,620 | $4.4M | Reduce -24.4% |
| AAPL Apple Inc. | 0.58% | 17,058 | $4.3M | Reduce -0.7% |
| EA Electronic Arts Inc. | 0.58% | 21,175 | $4.3M | Reduce -8.9% |
| VOO Vanguard S&P 500 ETF | 0.56% | 6,837 | $4.2M | Reduce -1.2% |
| GOOG Alphabet Inc. Class C | 0.56% | 16,973 | $4.1M | Add +11.8% |
| COHR Coherent Corp. | 0.55% | 37,750 | $4.1M | Reduce -22.7% |
| ABT Abbott Laboratories | 0.55% | 30,238 | $4.1M | Add +0.7% |
| PFE Pfizer Inc. | 0.52% | 152,598 | $3.9M | Add +1.3% |
| GEHC GE Healthcare Technology | 0.49% | 48,070 | $3.6M | Reduce -7.2% |
| EHC Encompass Health Corp. | 0.48% | 28,300 | $3.6M | Reduce -1.1% |
| GSK GSK PLC-Spon ADR | 0.47% | 80,960 | $3.5M | Reduce -1.4% |
| WTS Watts Water Technologies-A | 0.44% | 11,700 | $3.3M | Reduce -2.3% |
| BKH Black Hills Corp. | 0.43% | 52,291 | $3.2M | Reduce -1.2% |
| PEG Public Service Enterprise GP | 0.43% | 38,222 | $3.2M | Reduce -2.3% |
| SNDK Sandisk Corp. | 0.43% | 28,188 | $3.2M | Reduce -6.0% |
| UTHR United Therapeutics Corp. | 0.40% | 7,080 | $3.0M | Reduce -2.8% |
| BCE Bce Inc. | 0.39% | 125,143 | $2.9M | Add +19.4% |
| CRM Salesforce Inc. | 0.39% | 12,175 | $2.9M | Reduce -8.2% |
| PYPL PayPal Holdings Inc. | 0.36% | 39,530 | $2.7M | Reduce -4.2% |
| VNT Vontier Corp. | 0.35% | 61,421 | $2.6M | Reduce -0.8% |
| AMGN Amgen Inc. | 0.34% | 9,000 | $2.5M | Reduce -0.8% |
| CCK Crown Holdings Inc. | 0.33% | 25,739 | $2.5M | Reduce -1.2% |
| SO The Southern Co. | 0.33% | 25,980 | $2.5M | Reduce -0.4% |
| CIEN Ciena Corp. | 0.33% | 16,700 | $2.4M | No change |
| ADBE Adobe Inc. | 0.31% | 6,510 | $2.3M | New |
| GEV GE Vernova Inc. | 0.30% | 3,639 | $2.2M | Reduce -0.7% |
| ZBH Zimmer Biomet Holdings Inc. | 0.30% | 22,700 | $2.2M | Reduce -12.2% |
| A Agilent Technologies Inc. | 0.30% | 17,075 | $2.2M | No change |
| LLY Eli Lilly & Co. | 0.29% | 2,842 | $2.2M | Reduce -1.4% |
| SOLV Solventum Corp. | 0.27% | 27,898 | $2.0M | Reduce -2.1% |
| EQNR Equinor ASA-Spon ADR | 0.27% | 81,159 | $2.0M | Add +6.3% |
| TWLO Twilio Inc. Class A | 0.27% | 19,741 | $2.0M | New |
| HAL Halliburton Co. | 0.26% | 79,708 | $2.0M | Add +25.1% |
| SKBSY Skanska AB-SPN ADR | 0.25% | 72,766 | $1.9M | Reduce -1.7% |
| OTTR Otter Tail Corp. | 0.23% | 20,650 | $1.7M | Add +29.5% |
| WBS Webster Financial Corp. | 0.22% | 27,850 | $1.7M | Reduce -1.7% |
| AZTA Azenta Inc. | 0.20% | 52,618 | $1.5M | Add +8.2% |
| VWO Vanguard Ftse Emerging Marke | 0.18% | 25,200 | $1.4M | Reduce -0.4% |
| BAX Baxter International Inc. | 0.16% | 52,834 | $1.2M | Reduce -25.4% |
| AGX Argan Inc. | 0.15% | 4,100 | $1.1M | No change |
| REGN Regeneron Pharmaceuticals | 0.15% | 1,955 | $1.1M | Add +39.1% |
| HRNNF Hydro One Ltd. | 0.14% | 29,700 | $1.1M | No change |
| CVX Chevron Corp. | 0.13% | 6,411 | $996K | Reduce -0.9% |
| EBMT Eagle Bancorp Montana Inc. | 0.13% | 57,135 | $987K | Reduce -2.4% |
| BRK.B Berkshire Hathaway Inc. Class B | 0.13% | 1,879 | $945K | No change |
| JCI Johnson Controls Internation | 0.12% | 8,224 | $904K | Add +8.6% |
| WSBF Waterstone Financial Inc. | 0.12% | 56,498 | $881K | Add +10.6% |
Portfolio Sells Q2 2025 → Q3 2025
| NVS Novartis AG-Sponsored ADR | Reduce -97.8% | 0.05% | −2.42 |
| IBM Intl Business Machines Corp. | Reduce -17.8% | 2.58% | −1.04 |
| EMR Emerson Electric Co. | Reduce -0.8% | 4.97% | −0.64 |
| HRI Herc Holdings Inc. | Sold out | 0.00% | −0.59 |
| GE General Electric | Reduce -89.4% | 0.06% | −0.47 |
| CSCO Cisco Systems Inc. | Reduce -0.6% | 3.08% | −0.38 |
| DIS The Walt Disney Co. | Reduce -2.0% | 1.15% | −0.25 |
| BCV Bancroft Fund Ltd. | Sold out | 0.00% | −0.23 |
| AMZN Amazon.com Inc. | Reduce -1.0% | 2.01% | −0.23 |
| OGE Oge Energy Corp. | Reduce -1.2% | 3.17% | −0.22 |
| HON Honeywell International Inc. | Reduce -0.8% | 0.85% | −0.19 |
| ITRI Itron Inc. | Reduce -0.8% | 0.97% | −0.17 |
| BAX Baxter International Inc. | Reduce -25.4% | 0.16% | −0.16 |
| CRM Salesforce Inc. | Reduce -8.2% | 0.39% | −0.15 |
| LNN Lindsay Corp. | Reduce -0.4% | 1.10% | −0.15 |
| MSFT Microsoft Corp. | Reduce -0.6% | 2.23% | −0.14 |
| BMY Bristol-Myers Squibb Co. | Reduce -1.6% | 0.92% | −0.14 |
| FLS Flowserve Corp. | Reduce -1.6% | 1.01% | −0.10 |
| KNF Knife River Corp. | Reduce -0.1% | 0.60% | −0.10 |
| COHR Coherent Corp. | Reduce -22.7% | 0.55% | −0.10 |
| PYPL PayPal Holdings Inc. | Reduce -4.2% | 0.36% | −0.10 |
| CACI Caci International Inc. Class A | Reduce -1.6% | 1.34% | −0.09 |
| XOM Exxon Mobil Corp. | Reduce -0.2% | 1.62% | −0.09 |
| APH Amphenol Corp. Class A | Sold out | 0.00% | −0.08 |
| GEHC GE Healthcare Technology | Reduce -7.2% | 0.49% | −0.08 |
| ORCL Oracle Corp. | Reduce -24.4% | 0.59% | −0.08 |
| CCK Crown Holdings Inc. | Reduce -1.2% | 0.33% | −0.06 |
| MPC Marathon Petroleum Corp. | Sold out | 0.00% | −0.06 |
| PEG Public Service Enterprise GP | Reduce -2.3% | 0.43% | −0.06 |
| SNOW Snowflake Inc. | Reduce -0.3% | 0.61% | −0.06 |
| TMP Tompkins Financial Corp. | Reduce -1.9% | 0.76% | −0.05 |
| ZBH Zimmer Biomet Holdings Inc. | Reduce -12.2% | 0.30% | −0.05 |
| SOLV Solventum Corp. | Reduce -2.1% | 0.27% | −0.05 |
| LLY Eli Lilly & Co. | Reduce -1.4% | 0.29% | −0.04 |
| ACM Aecom | Sold out | 0.00% | −0.04 |
| EHC Encompass Health Corp. | Reduce -1.1% | 0.48% | −0.04 |
| MDU Mdu Resources Group Inc. | Reduce -0.7% | 0.94% | −0.04 |
| AMGN Amgen Inc. | Reduce -0.8% | 0.34% | −0.03 |
| SYY Sysco Corp. | Reduce -2.9% | 0.78% | −0.03 |
| PM Philip Morris International | Sold out | 0.00% | −0.03 |
| MOS The Mosaic Co. | Sold out | 0.00% | −0.03 |
| FLR Fluor Corp. | Sold out | 0.00% | −0.03 |
| BSX Boston Scientific Corp. | Sold out | 0.00% | −0.03 |
| NJR New Jersey Resources Corp. | Reduce -1.1% | 0.78% | −0.03 |
| TXN Texas Instruments Inc. | Reduce -3.0% | 0.09% | −0.02 |
| SO The Southern Co. | Reduce -0.4% | 0.33% | −0.02 |
| VOO Vanguard S&P 500 ETF | Reduce -1.2% | 0.56% | −0.02 |
| STT State Street Corp. | Reduce -0.9% | 0.67% | −0.01 |
| DUK Duke Energy Corp. | Reduce -6.3% | 0.11% | −0.01 |
| EBMT Eagle Bancorp Montana Inc. | Reduce -2.4% | 0.13% | −0.01 |
Portfolio Buys Q2 2025 → Q3 2025
| NEE Nextera Energy Inc. | Add +481.3% | 1.59% | +1.31 |
| WTRG Essential Utilities Inc. | Add +74.8% | 2.50% | +1.03 |
| D Dominion Energy Inc. | Add +74.9% | 1.49% | +0.62 |
| ES Eversource Energy | Add +44.6% | 1.56% | +0.50 |
| EQT Eqt Corp. | Add +77.4% | 1.05% | +0.35 |
| ADBE Adobe Inc. | New | 0.31% | +0.31 |
| EXP Eagle Materials Inc. | Add +55.3% | 0.77% | +0.30 |
| TWLO Twilio Inc. Class A | New | 0.27% | +0.27 |
| INTC Intel Corp. | Add +0.3% | 0.82% | +0.22 |
| POR Portland General Electric Co. | Add +18.2% | 1.30% | +0.18 |
| GOOG Alphabet Inc. Class C | Add +11.8% | 0.56% | +0.16 |
| GRC Gorman-Rupp Co. | Add +2.8% | 0.72% | +0.11 |
| TMO Thermo Fisher Scientific Inc. | Add +4.1% | 0.79% | +0.09 |
| HAE Haemonetics Corp. | New | 0.08% | +0.08 |
| HAL Halliburton Co. | Add +25.1% | 0.26% | +0.07 |
| BCE Bce Inc. | Add +19.4% | 0.39% | +0.05 |
| OTTR Otter Tail Corp. | Add +29.5% | 0.23% | +0.05 |
| STX Seagate Technology Holdings | New | 0.04% | +0.04 |
| REGN Regeneron Pharmaceuticals | Add +39.1% | 0.15% | +0.04 |
| APTV Aptiv PLC | Add +45.5% | 0.09% | +0.04 |
| ABBV Abbvie Inc. | New | 0.03% | +0.03 |
| FESM Fidelity Enhanced Small Cap | New | 0.03% | +0.03 |
| GS Goldman Sachs Group Inc. | New | 0.03% | +0.03 |
| VTV Vanguard Mrngstr Val ETF-Aui | New | 0.03% | +0.03 |
| TDC Teradata Corp. | Add +73.5% | 0.08% | +0.03 |
| ILMN Illumina Inc. | Add +57.3% | 0.08% | +0.02 |
| MRNA Moderna Inc. | Add +47.5% | 0.08% | +0.02 |
| MU Micron Technology Inc. | Add +7.2% | 0.07% | +0.02 |
| WSBF Waterstone Financial Inc. | Add +10.6% | 0.12% | +0.01 |
| BDX Becton Dickinson and Co. | Add +9.7% | 0.11% | +0.01 |
| MRK Merck & Co. Inc. | Add +4.7% | 1.12% | +0.01 |
| XYL Xylem Inc. | Add +9.7% | 0.06% | +0.01 |
| AOS Smith (a.o.) Corp. | Add +5.4% | 0.10% | +0.01 |
| AQN Algonquin Power & Utilities | Add +32.5% | 0.05% | +0.01 |
| AVTR Avantor Inc. | Add +43.0% | 0.03% | +0.00 |
| BP BP PLC-Spons ADR | Add +0.2% | 0.10% | +0.00 |
| XRAY Dentsply Sirona Inc. | Add +50.0% | 0.04% | +0.00 |
| JCI Johnson Controls Internation | Add +8.6% | 0.12% | +0.00 |
| KO The Coca-Cola Co. | Add +13.3% | 0.06% | −0.00 |
| MMM 3M Co. | Add +5.4% | 0.08% | −0.00 |
| GT Goodyear Tire & Rubber Co. | Add +1.7% | 0.02% | −0.01 |
| EQNR Equinor ASA-Spon ADR | Add +6.3% | 0.27% | −0.02 |
| PFE Pfizer Inc. | Add +1.3% | 0.52% | −0.02 |
| AZTA Azenta Inc. | Add +8.2% | 0.20% | −0.02 |
| ABT Abbott Laboratories | Add +0.7% | 0.55% | −0.06 |
| SLB SLB Ltd. | Add +0.3% | 1.27% | −0.10 |
| AMT American Tower Corp. | Add +7.0% | 1.47% | −0.27 |
| FISV Fiserv Inc. | Add +3.2% | 0.66% | −0.28 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 181 | $824.4M | GLW, TSM, CSCO, EMR, OGE |
| Q1 2026 | 174 | $754.3M | GLW, TSM, EMR, CSCO, OGE |
| Q4 2025 | 179 | $750.0M | TSM, EMR, GLW, CSCO, TEL |
| Q3 2025 | 173 | $742.7M | TSM, EMR, GLW, AVGO, OGE |
| Q2 2025 | 174 | $673.8M | EMR, TSM, GLW, IBM, AVGO |
| Q1 2025 | 170 | $648.4M | EMR, GLW, OGE, TSM, CSCO |
| Q4 2024 | 172 | $679.6M | EMR, GLW, TSM, IBM, OGE |
| Q3 2024 | 179 | $695.5M | EMR, GLW, IBM, TSM, OGE |
| Q2 2024 | 179 | $655.5M | EMR, GLW, TSM, IBM, OGE |
| Q1 2024 | 174 | $651.8M | EMR, GLW, IBM, TSM, OGE |