John G Ullman & Associates Inc.
In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 11, 2026), John G Ullman & Associates Inc. reported 181 stock positions worth $824.4 million. Its top holding was Corning (GLW) at 7.2% of the portfolio, followed by Taiwan Semiconductor-SP ADR (TSM, 6.2%) and Cisco Systems (CSCO, 4.5%). Compared with Q1 2026, it opened 16 new positions, sold out of 10, added to 38 and reduced 89. The biggest buy was MercadoLibre (MELI, shares +140%) and the biggest sale an exit from American Tower (AMT).
- Most Recent 13F
- Q2 2026
- Location
- CORNING, NY
- CIK
- 0000919530
- Portfolio Value
- $824.4M (Q2 2026)
- SEC Filing
- 0000919530-26-000003 ↗ filed Aug 11, 2026
Holdings Value
Holdings 181 stocks · $824.4M
| GLW Corning Inc. | 7.25% | 233,865 | $59.7M | Reduce -26.9% |
| TSM Taiwan Semiconductor-SP ADR | 6.25% | 107,860 | $51.5M | Reduce -10.7% |
| CSCO Cisco Systems Inc. | 4.51% | 316,593 | $37.2M | Reduce -1.2% |
| EMR Emerson Electric Co. | 4.31% | 248,310 | $35.5M | Reduce -1.0% |
| OGE Oge Energy Corp. | 2.71% | 458,935 | $22.3M | Reduce -5.5% |
| AVGO Broadcom Inc. | 2.57% | 56,147 | $21.2M | Reduce -3.5% |
| TEL Te Connectivity PLC | 2.30% | 94,165 | $19.0M | Reduce -1.2% |
| AMZN Amazon.com Inc. | 1.83% | 63,224 | $15.1M | Reduce -0.0% |
| BE Bloom Energy Corp. Class A | 1.81% | 49,359 | $14.9M | Reduce -60.7% |
| WTRG Essential Utilities Inc. | 1.77% | 380,232 | $14.6M | Reduce -5.8% |
| XOM Exxonmobil Holdings Corp. | 1.73% | 104,450 | $14.3M | Reduce -0.3% |
| D Dominion Energy Inc. | 1.63% | 197,146 | $13.5M | Reduce -0.7% |
| ES Eversource Energy | 1.61% | 183,791 | $13.3M | Reduce -5.2% |
| NEE Nextera Energy Inc. | 1.58% | 148,559 | $13.0M | Reduce -1.0% |
| IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS | 1.51% | 44,270 | $12.4M | Reduce -0.6% |
| SLB SLB Ltd. filed as SLB LIMITED | 1.50% | 266,070 | $12.4M | Reduce -0.3% |
| MRK Merck & Co. Inc. | 1.47% | 94,029 | $12.1M | Reduce -0.3% |
| LNN Lindsay Corp. | 1.44% | 95,760 | $11.9M | Add +8.3% |
| GNRC Generac Holdings Inc. | 1.41% | 39,595 | $11.6M | Reduce -28.7% |
| MSFT Microsoft Corp. | 1.32% | 29,080 | $10.8M | Add +0.1% |
| POR Portland General Electric Co. | 1.28% | 202,882 | $10.5M | Reduce -5.3% |
| INTC Intel Corp. | 1.25% | 73,999 | $10.3M | Reduce -44.6% |
| ASTE Astec Industries Inc. | 1.11% | 150,165 | $9.2M | Reduce -1.3% |
| FLS Flowserve Corp. | 1.11% | 123,725 | $9.2M | Reduce -0.9% |
| DIS The Walt Disney Co. filed as DISNEY WALT CO | 1.09% | 93,007 | $9.0M | Add +12.0% |
| EXP Eagle Materials Inc. | 1.02% | 37,246 | $8.4M | Add +27.1% |
| CACI Caci International Inc. Class A | 1.01% | 17,924 | $8.3M | Reduce -3.0% |
| BMY Bristol-Myers Squibb Co. | 1.00% | 142,903 | $8.2M | Reduce -1.1% |
| GVA Granite Construction Inc. | 0.98% | 51,355 | $8.1M | Reduce -11.1% |
| GOOGL Alphabet Inc. Class A | 0.98% | 22,620 | $8.1M | Add +6.8% |
| WDC Western Digital Corp. | 0.97% | 12,491 | $8.0M | Reduce -62.1% |
| JAZZ Jazz Pharmaceuticals PLC | 0.96% | 32,693 | $7.9M | Reduce -0.4% |
| ECG Everus Construction Group | 0.95% | 47,304 | $7.9M | Reduce -30.3% |
| EQT Eqt Corp. | 0.95% | 147,291 | $7.8M | Reduce -1.4% |
| GRC Gorman-Rupp Co. | 0.95% | 85,045 | $7.8M | Reduce -24.5% |
| MDU Mdu Resources Group Inc. | 0.92% | 358,848 | $7.6M | Reduce -4.7% |
| TWLO Twilio Inc. Class A | 0.85% | 33,766 | $7.0M | Reduce -1.8% |
| MELI MercadoLibre Inc. | 0.82% | 4,000 | $6.8M | Add +140.2% |
| ITRI Itron Inc. | 0.82% | 77,731 | $6.7M | Reduce -3.6% |
| VMC Vulcan Materials Co. | 0.81% | 22,600 | $6.7M | Reduce -1.1% |
| STT State Street Corp. | 0.80% | 38,988 | $6.6M | Reduce -1.5% |
| TMP Tompkins Financial Corp. | 0.78% | 67,932 | $6.4M | Reduce -1.3% |
| NJR New Jersey Resources Corp. | 0.75% | 109,960 | $6.2M | Reduce -6.2% |
| GOOG Alphabet Inc. Class C | 0.72% | 16,688 | $5.9M | Reduce -0.3% |
| CIEN Ciena Corp. | 0.70% | 11,725 | $5.8M | Reduce -5.4% |
| SYY Sysco Corp. | 0.69% | 67,847 | $5.7M | Reduce -2.6% |
| TMO Thermo Fisher Scientific Inc. | 0.68% | 11,198 | $5.6M | Add +1.9% |
| PFE Pfizer Inc. | 0.67% | 229,216 | $5.5M | Add +7.1% |
| KDP Keurig Dr Pepper Inc. | 0.65% | 162,534 | $5.3M | Reduce -4.2% |
| VOO Vanguard S&P 500 ETF | 0.64% | 7,728 | $5.3M | Add +16.8% |
| VNM Vaneck Vietnam ETF | 0.64% | 284,744 | $5.3M | Reduce -1.0% |
| BCE Bce Inc. | 0.64% | 243,677 | $5.2M | Add +0.7% |
| IDA Idacorp Inc. | 0.62% | 33,929 | $5.1M | Reduce -5.8% |
| SNOW Snowflake Inc. | 0.57% | 18,441 | $4.7M | Reduce -1.2% |
| KNF Knife River Corp. | 0.55% | 53,971 | $4.5M | Reduce -0.8% |
| WTS Watts Water Technologies-A | 0.54% | 11,324 | $4.4M | Add +0.9% |
| AAPL Apple Inc. | 0.51% | 14,507 | $4.2M | Add +1.1% |
| HAL Halliburton Co. | 0.51% | 122,908 | $4.2M | Add +49.7% |
| NXST Nexstar Media Group Inc. | 0.49% | 22,700 | $4.1M | Reduce -1.3% |
| EQNR Equinor ASA-Spon ADR | 0.49% | 128,276 | $4.0M | Reduce -1.4% |
| COHR Coherent Corp. | 0.49% | 10,200 | $4.0M | Reduce -50.6% |
| LOW Lowe's Cos Inc. | 0.49% | 18,149 | $4.0M | Reduce -5.6% |
| EA Electronic Arts Inc. | 0.47% | 19,100 | $3.9M | Reduce -3.3% |
| EHC Encompass Health Corp. | 0.47% | 38,500 | $3.9M | Reduce -4.7% |
| GSK GSK PLC-Spon ADR | 0.46% | 72,609 | $3.8M | Reduce 0.0% |
| GEV GE Vernova Inc. | 0.46% | 3,197 | $3.8M | Reduce -2.3% |
| ABT Abbott Laboratories | 0.41% | 37,549 | $3.4M | Add +29.6% |
| UTHR United Therapeutics Corp. | 0.41% | 6,280 | $3.4M | Reduce -1.2% |
| HON Honeywell International Inc. | 0.40% | 14,655 | $3.3M | Reduce -0.2% |
| MU Micron Technology Inc. | 0.40% | 2,835 | $3.3M | Reduce -0.9% |
| BKH Black Hills Corp. | 0.39% | 43,522 | $3.2M | Reduce -14.5% |
| HONA Honeywell Aerospace Inc. | 0.39% | 14,645 | $3.2M | Reduce -0.2% |
| AGX Argan Inc. | 0.37% | 3,833 | $3.1M | No change |
| GEHC GE Healthcare Technology | 0.35% | 45,577 | $2.9M | Add +0.8% |
| PEG Public Service Enterprise GP | 0.35% | 35,452 | $2.9M | Reduce -2.4% |
| YORW York Water Co. filed as YORK WTR CO | 0.35% | 92,975 | $2.8M | Add +150.9% |
| SCHW Schwab (charles) Corp. | 0.34% | 30,595 | $2.8M | New |
| CCK Crown Holdings Inc. | 0.33% | 23,964 | $2.7M | Reduce -0.6% |
| AZTA Azenta Inc. | 0.32% | 102,418 | $2.6M | Reduce -6.3% |
| SO The Southern Co. | 0.30% | 25,842 | $2.5M | Reduce -0.1% |
| ORCL Oracle Corp. | 0.28% | 16,029 | $2.3M | Add +5.1% |
| OTTR Otter Tail Corp. | 0.28% | 25,450 | $2.3M | No change |
| LLY Eli Lilly & Co. | 0.28% | 1,902 | $2.3M | Reduce -5.0% |
| VEEV Veeva Systems Inc. Class A | 0.27% | 12,650 | $2.2M | New |
| WBS Webster Financial Corp. | 0.25% | 27,350 | $2.1M | Reduce -0.7% |
| SOLV Solventum Corp. | 0.24% | 25,488 | $2.0M | Add +0.6% |
| SKBSY Skanska AB-SPN ADR | 0.23% | 71,816 | $1.9M | Reduce -1.0% |
| A Agilent Technologies Inc. | 0.22% | 13,525 | $1.8M | No change |
| STX Seagate Technology Holdings | 0.22% | 1,858 | $1.8M | Reduce -7.7% |
| MTSI Macom Technology Solutions H | 0.21% | 4,600 | $1.7M | No change |
| VNT Vontier Corp. | 0.21% | 58,321 | $1.7M | Reduce -2.5% |
| LITE Lumentum Holdings Inc. | 0.20% | 1,933 | $1.7M | No change |
| BDX Becton Dickinson and Co. | 0.17% | 9,248 | $1.4M | Add +71.3% |
| VWO Vanguard Ftse Emerging Marke | 0.17% | 23,150 | $1.4M | Reduce -2.7% |
| MRNA Moderna Inc. | 0.17% | 19,551 | $1.4M | Add +0.0% |
| MOS The Mosaic Co. | 0.16% | 63,600 | $1.3M | Add +303.8% |
| EXLS Exlservice Holdings Inc. | 0.16% | 51,800 | $1.3M | New |
| NVDA Nvidia Corp. | 0.16% | 6,514 | $1.3M | Add +373.1% |
| WSBF Waterstone Financial Inc. | 0.15% | 59,748 | $1.2M | Reduce -2.5% |
| HRNNF Hydro One Ltd. | 0.15% | 29,700 | $1.2M | No change |
Portfolio Sells Q1 2026 → Q2 2026
| AMT American Tower Corp. | Sold out | 0.00% | −1.45 |
| XOM Exxonmobil Holdings Corp. | Reduce -0.3% | 1.73% | −0.62 |
| HON Honeywell International Inc. | Reduce -0.2% | 0.40% | −0.48 |
| BE Bloom Energy Corp. Class A | Reduce -60.7% | 1.81% | −0.44 |
| WTRG Essential Utilities Inc. | Reduce -5.8% | 1.77% | −0.39 |
| OGE Oge Energy Corp. | Reduce -5.5% | 2.71% | −0.38 |
| TEL Te Connectivity PLC | Reduce -1.2% | 2.30% | −0.34 |
| CACI Caci International Inc. Class A | Reduce -3.0% | 1.01% | −0.32 |
| SLB SLB Ltd. | Reduce -0.3% | 1.50% | −0.32 |
| EQT Eqt Corp. | Reduce -1.4% | 0.95% | −0.31 |
| NEE Nextera Energy Inc. | Reduce -1.0% | 1.58% | −0.27 |
| EQNR Equinor ASA-Spon ADR | Reduce -1.4% | 0.49% | −0.24 |
| ZBH Zimmer Biomet Holdings Inc. | Sold out | 0.00% | −0.23 |
| POR Portland General Electric Co. | Reduce -5.3% | 1.28% | −0.22 |
| WDC Western Digital Corp. | Reduce -62.1% | 0.97% | −0.21 |
| PLNT Planet Fitness Inc. Class A | Sold out | 0.00% | −0.17 |
| ES Eversource Energy | Reduce -5.2% | 1.61% | −0.17 |
| COHR Coherent Corp. | Reduce -50.6% | 0.49% | −0.16 |
| BMY Bristol-Myers Squibb Co. | Reduce -1.1% | 1.00% | −0.16 |
| CRM Salesforce Inc. | Reduce -67.4% | 0.05% | −0.15 |
| ITRI Itron Inc. | Reduce -3.6% | 0.82% | −0.14 |
| LOW Lowe's Cos Inc. | Reduce -5.6% | 0.49% | −0.12 |
| MDU Mdu Resources Group Inc. | Reduce -4.7% | 0.92% | −0.11 |
| ECG Everus Construction Group | Reduce -30.3% | 0.95% | −0.11 |
| NJR New Jersey Resources Corp. | Reduce -6.2% | 0.75% | −0.11 |
| ADBE Adobe Inc. | Sold out | 0.00% | −0.10 |
| FLS Flowserve Corp. | Reduce -0.9% | 1.11% | −0.10 |
| ILMN Illumina Inc. | Sold out | 0.00% | −0.10 |
| MHK Mohawk Industries Inc. | Reduce -64.1% | 0.06% | −0.09 |
| UTHR United Therapeutics Corp. | Reduce -1.2% | 0.41% | −0.09 |
| VNT Vontier Corp. | Reduce -2.5% | 0.21% | −0.08 |
| BKH Black Hills Corp. | Reduce -14.5% | 0.39% | −0.08 |
| GSK GSK PLC-Spon ADR | Reduce 0.0% | 0.46% | −0.07 |
| IDA Idacorp Inc. | Reduce -5.8% | 0.62% | −0.06 |
| NXST Nexstar Media Group Inc. | Reduce -1.3% | 0.49% | −0.06 |
| EA Electronic Arts Inc. | Reduce -3.3% | 0.47% | −0.06 |
| EHC Encompass Health Corp. | Reduce -4.7% | 0.47% | −0.05 |
| EMR Emerson Electric Co. | Reduce -1.0% | 4.31% | −0.04 |
| KNF Knife River Corp. | Reduce -0.8% | 0.55% | −0.04 |
| ETN Eaton Corp. PLC | Sold out | 0.00% | −0.04 |
| PEG Public Service Enterprise GP | Reduce -2.4% | 0.35% | −0.04 |
| PYPL PayPal Holdings Inc. | Sold out | 0.00% | −0.04 |
| CHWY Chewy Inc. Class A | Reduce -36.1% | 0.03% | −0.04 |
| MANH Manhattan Associates Inc. | Sold out | 0.00% | −0.04 |
| MRK Merck & Co. Inc. | Reduce -0.3% | 1.47% | −0.04 |
| HONA Honeywell Aerospace Inc. | Reduce -0.2% | 0.39% | −0.04 |
| SKBSY Skanska AB-SPN ADR | Reduce -1.0% | 0.23% | −0.03 |
| SO The Southern Co. | Reduce -0.1% | 0.30% | −0.03 |
| GNRC Generac Holdings Inc. | Reduce -28.7% | 1.41% | −0.03 |
| VZ Verizon Communications Inc. | Sold out | 0.00% | −0.03 |
Portfolio Buys Q1 2026 → Q2 2026
| MELI MercadoLibre Inc. | Add +140.2% | 0.82% | +0.44 |
| SCHW Schwab (charles) Corp. | New | 0.34% | +0.34 |
| EXP Eagle Materials Inc. | Add +27.1% | 1.02% | +0.28 |
| VEEV Veeva Systems Inc. Class A | New | 0.27% | +0.27 |
| YORW York Water Co. | Add +150.9% | 0.35% | +0.20 |
| GOOGL Alphabet Inc. Class A | Add +6.8% | 0.98% | +0.17 |
| EXLS Exlservice Holdings Inc. | New | 0.16% | +0.16 |
| NVDA Nvidia Corp. | Add +373.1% | 0.16% | +0.13 |
| VOO Vanguard S&P 500 ETF | Add +16.8% | 0.64% | +0.12 |
| MOS The Mosaic Co. | Add +303.8% | 0.16% | +0.11 |
| WTS Watts Water Technologies-A | Add +0.9% | 0.54% | +0.11 |
| HAL Halliburton Co. | Add +49.7% | 0.51% | +0.08 |
| HRI Herc Holdings Inc. | New | 0.08% | +0.08 |
| AMD Advanced Micro Devices | New | 0.06% | +0.06 |
| BDX Becton Dickinson and Co. | Add +71.3% | 0.17% | +0.06 |
| META Meta Platforms Inc. Class A | New | 0.05% | +0.05 |
| BAX Baxter International Inc. | Add +84.0% | 0.08% | +0.04 |
| AMAT Applied Materials Inc. | New | 0.04% | +0.04 |
| LNN Lindsay Corp. | Add +8.3% | 1.44% | +0.04 |
| SMR Nuscale Power Corp. | New | 0.04% | +0.04 |
| IAU iShares Gold Trust | New | 0.04% | +0.04 |
| TXN Texas Instruments Inc. | New | 0.04% | +0.04 |
| MRNA Moderna Inc. | Add +0.0% | 0.17% | +0.03 |
| MXL Maxlinear Inc. | New | 0.03% | +0.03 |
| HAE Haemonetics Corp. | Add +9.3% | 0.11% | +0.03 |
| SNDK Sandisk Corp. | New | 0.03% | +0.03 |
| EEM iShares MSCI Emerging Market | New | 0.03% | +0.03 |
| AAPL Apple Inc. | Add +1.1% | 0.51% | +0.03 |
| RSP Invesco S&P 500 Equal Weight | New | 0.03% | +0.03 |
| VGT Vanguard Info Tech ETF | Add +29.2% | 0.07% | +0.03 |
| FLR Fluor Corp. | New | 0.03% | +0.03 |
| DIS The Walt Disney Co. | Add +12.0% | 1.09% | +0.02 |
| QQQ Invesco QQQ Trust Series 1 | Add +51.5% | 0.05% | +0.02 |
| APTV Aptiv PLC | Add +55.1% | 0.11% | +0.02 |
| ABT Abbott Laboratories | Add +29.6% | 0.41% | +0.02 |
| SOLV Solventum Corp. | Add +0.6% | 0.24% | +0.02 |
| AVTR Avantor Inc. | New | 0.01% | +0.01 |
| XRAY Dentsply Sirona Inc. | Add +63.8% | 0.05% | +0.01 |
| PCT Purecycle Technologies Inc. | Add +17.3% | 0.02% | +0.01 |
| KO The Coca-Cola Co. | Add +14.2% | 0.06% | +0.01 |
| JCI Johnson Controls Internation | Add +1.0% | 0.13% | +0.00 |
| GS Goldman Sachs Group Inc. | Add +3.8% | 0.03% | +0.00 |
| MMM 3M Co. | Add +1.5% | 0.08% | +0.00 |
| BKNG Booking Holdings Inc. | Add +4.9% | 0.14% | +0.00 |
| ABBV Abbvie Inc. | Add +0.9% | 0.03% | +0.00 |
| DUK Duke Energy Corp. | Add +0.5% | 0.10% | −0.01 |
| ORCL Oracle Corp. | Add +5.1% | 0.28% | −0.01 |
| PSX Phillips 66 | Add +1.2% | 0.08% | −0.01 |
| GILD Gilead Sciences Inc. | Add +0.5% | 0.11% | −0.02 |
| TMO Thermo Fisher Scientific Inc. | Add +1.9% | 0.68% | −0.04 |
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 |