John G Ullman & Associates Inc.

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 6, 2026), John G Ullman & Associates Inc. reported 174 stock positions worth $754.3 million. Its top holding was Corning (GLW) at 5.8% of the portfolio, followed by Taiwan Semiconductor-SP ADR (TSM, 5.4%) and Emerson Electric (EMR, 4.4%). Compared with Q4 2025, it opened 10 new positions, sold out of 15, added to 27 and reduced 102. The biggest buy was a new position in MercadoLibre (MELI) and the biggest sale Microsoft (MSFT, shares −7%).

Most Recent 13F
Q2 2026
Location
CORNING, NY
CIK
0000919530
Portfolio Value
$754.3M (Q1 2026)
SEC Filing
0000919530-26-000002 ↗ filed May 6, 2026

Holdings Value

0$200.0M$400.0M$600.0M$800.0M$1.0B Q1 2024: $651.8M Q1 2024 Q2 2024: $655.5M Q2 2024 Q3 2024: $695.5M Q3 2024 Q4 2024: $679.6M Q4 2024 Q1 2025: $648.4M Q1 2025 Q2 2025: $673.8M Q2 2025 Q3 2025: $742.7M Q3 2025 Q4 2025: $750.0M Q4 2025 Q1 2026: $754.3M $754.3M Q1 2026 Q2 2026: $824.4M Q2 2026

Holdings 174 stocks · $754.3M
GLW Corning Inc. 5.76% 319,742 $43.5M Reduce -16.6%
TSM Taiwan Semiconductor-SP ADR 5.41% 120,778 $40.8M Reduce -5.0%
EMR Emerson Electric Co. 4.36% 250,719 $32.8M Reduce -9.6%
CSCO Cisco Systems Inc. 3.30% 320,574 $24.9M Reduce -2.8%
OGE Oge Energy Corp. 3.09% 485,435 $23.3M Reduce -2.7%
TEL Te Connectivity PLC 2.64% 95,325 $19.9M Reduce -3.5%
AVGO Broadcom Inc. 2.39% 58,205 $18.0M Reduce -6.8%
XOM Exxon Mobil Corp. 2.36% 104,772 $17.8M Reduce -0.4%
BE Bloom Energy Corp. Class A 2.26% 125,662 $17.0M Reduce -5.4%
WTRG Essential Utilities Inc. 2.15% 403,549 $16.3M Reduce -0.5%
NEE Nextera Energy Inc. 1.85% 150,053 $13.9M Reduce -2.9%
SLB SLB Ltd. filed as SLB LIMITED 1.82% 266,895 $13.7M Reduce -1.4%
ES Eversource Energy 1.78% 193,788 $13.4M Reduce -0.5%
AMZN Amazon.com Inc. 1.75% 63,233 $13.2M Reduce -6.0%
D Dominion Energy Inc. 1.63% 198,571 $12.3M Add +2.6%
MRK Merck & Co. Inc. 1.50% 94,272 $11.3M Reduce -7.0%
POR Portland General Electric Co. 1.50% 214,357 $11.3M Reduce -1.6%
AMT American Tower Corp. 1.45% 63,259 $10.9M Add +3.3%
GNRC Generac Holdings Inc. 1.44% 55,500 $10.8M Reduce -3.5%
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 1.43% 44,520 $10.8M Reduce -8.6%
MSFT Microsoft Corp. 1.42% 29,035 $10.7M Reduce -7.3%
LNN Lindsay Corp. 1.40% 88,410 $10.5M Add +7.4%
CACI Caci International Inc. Class A 1.33% 18,474 $10.0M Reduce -2.4%
EQT Eqt Corp. 1.26% 149,316 $9.5M Add +2.9%
FLS Flowserve Corp. 1.22% 124,825 $9.2M Reduce -9.7%
WDC Western Digital Corp. 1.18% 32,958 $8.9M Reduce -48.8%
BMY Bristol-Myers Squibb Co. 1.16% 144,565 $8.8M Reduce -3.6%
ASTE Astec Industries Inc. 1.09% 152,109 $8.2M Reduce -13.4%
ECG Everus Construction Group 1.06% 67,874 $8.0M Reduce -11.3%
DIS The Walt Disney Co. filed as DISNEY WALT CO 1.06% 83,042 $8.0M Add +12.1%
MDU Mdu Resources Group Inc. 1.03% 376,640 $7.8M Reduce -3.3%
ITRI Itron Inc. 0.96% 80,656 $7.2M Add +37.5%
GRC Gorman-Rupp Co. 0.93% 112,656 $7.0M Reduce -0.8%
GVA Granite Construction Inc. 0.92% 57,755 $6.9M Reduce -23.1%
HON Honeywell International Inc. 0.88% 29,360 $6.6M Reduce -0.8%
NJR New Jersey Resources Corp. 0.85% 117,260 $6.4M Reduce -2.4%
VMC Vulcan Materials Co. 0.82% 22,850 $6.2M Reduce -8.0%
JAZZ Jazz Pharmaceuticals PLC 0.82% 32,833 $6.2M Reduce -4.6%
BCE Bce Inc. 0.81% 241,927 $6.1M Add +3.7%
GOOGL Alphabet Inc. Class A 0.81% 21,173 $6.1M Reduce -4.4%
PFE Pfizer Inc. 0.80% 214,087 $6.0M Add +3.9%
INTC Intel Corp. 0.78% 133,464 $5.9M Reduce -25.3%
EXP Eagle Materials Inc. 0.74% 29,296 $5.6M Add +3.4%
EQNR Equinor ASA-Spon ADR 0.73% 130,159 $5.5M Add +1.1%
TMP Tompkins Financial Corp. 0.72% 68,792 $5.4M Reduce -17.5%
TMO Thermo Fisher Scientific Inc. 0.72% 10,995 $5.4M Reduce -7.0%
IDA Idacorp Inc. 0.68% 36,029 $5.2M Reduce -5.4%
STT State Street Corp. 0.66% 39,588 $5.0M Reduce -4.9%
VNM Vaneck Vietnam ETF 0.66% 287,644 $5.0M Reduce -1.2%
SYY Sysco Corp. 0.66% 69,660 $5.0M Add +0.7%
COHR Coherent Corp. 0.65% 20,650 $4.9M Reduce -25.9%
CIEN Ciena Corp. 0.64% 12,400 $4.8M Reduce -24.9%
GOOG Alphabet Inc. Class C 0.64% 16,738 $4.8M Reduce -0.5%
LOW Lowe's Cos Inc. 0.60% 19,230 $4.5M Reduce -4.1%
KDP Keurig Dr Pepper Inc. 0.59% 169,700 $4.5M Add +7.0%
KNF Knife River Corp. 0.59% 54,392 $4.4M Reduce -5.1%
TWLO Twilio Inc. Class A 0.57% 34,366 $4.3M Add +78.8%
NXST Nexstar Media Group Inc. 0.55% 23,000 $4.2M Reduce -14.4%
EA Electronic Arts Inc. 0.53% 19,750 $4.0M Reduce -3.4%
GSK GSK PLC-Spon ADR 0.53% 72,610 $4.0M Reduce -8.0%
VOO Vanguard S&P 500 ETF 0.52% 6,614 $4.0M Add +0.1%
EHC Encompass Health Corp. 0.52% 40,400 $3.9M Add +47.2%
UTHR United Therapeutics Corp. 0.50% 6,355 $3.8M Reduce -8.6%
AAPL Apple Inc. 0.48% 14,353 $3.6M Reduce -14.3%
BKH Black Hills Corp. 0.47% 50,924 $3.5M Reduce -0.9%
WTS Watts Water Technologies-A 0.43% 11,225 $3.3M Reduce -1.8%
GEHC GE Healthcare Technology 0.43% 45,210 $3.2M Reduce -5.3%
HAL Halliburton Co. 0.42% 82,108 $3.2M Reduce -2.3%
ABT Abbott Laboratories 0.39% 28,963 $3.0M Reduce -2.7%
PEG Public Service Enterprise GP 0.39% 36,322 $2.9M Reduce -4.5%
MELI MercadoLibre Inc. 0.38% 1,665 $2.9M New
GEV GE Vernova Inc. 0.38% 3,273 $2.9M Reduce -5.9%
SNOW Snowflake Inc. 0.37% 18,666 $2.8M Reduce -4.0%
SO The Southern Co. 0.33% 25,880 $2.5M Reduce -0.4%
CCK Crown Holdings Inc. 0.32% 24,114 $2.4M Reduce -4.0%
AZTA Azenta Inc. 0.31% 109,344 $2.3M Add +88.1%
ORCL Oracle Corp. 0.30% 15,245 $2.2M Reduce -17.5%
OTTR Otter Tail Corp. 0.30% 25,450 $2.2M Add +2.0%
VNT Vontier Corp. 0.28% 59,796 $2.1M Reduce -1.0%
AGX Argan Inc. 0.28% 3,833 $2.1M Reduce -4.2%
SKBSY Skanska AB-SPN ADR 0.27% 72,566 $2.0M Reduce -0.3%
WBS Webster Financial Corp. 0.25% 27,550 $1.9M Reduce -0.5%
LLY Eli Lilly & Co. 0.24% 2,002 $1.8M Reduce -17.6%
ZBH Zimmer Biomet Holdings Inc. 0.23% 18,866 $1.7M Reduce -6.6%
SOLV Solventum Corp. 0.22% 25,348 $1.7M Reduce -7.0%
CRM Salesforce Inc. 0.20% 8,283 $1.5M Reduce -30.1%
A Agilent Technologies Inc. 0.20% 13,525 $1.5M Reduce -10.9%
LITE Lumentum Holdings Inc. 0.18% 1,933 $1.4M Reduce -66.4%
PLNT Planet Fitness Inc. Class A 0.17% 17,650 $1.3M Add +42.3%
CVX Chevron Corp. 0.17% 6,261 $1.3M Reduce -2.3%
VWO Vanguard Ftse Emerging Marke 0.17% 23,800 $1.3M No change
HRNNF Hydro One Ltd. 0.16% 29,700 $1.2M No change
YORW York Water Co. filed as YORK WTR CO 0.15% 37,050 $1.1M No change
MHK Mohawk Industries Inc. 0.15% 11,386 $1.1M New
WSBF Waterstone Financial Inc. 0.15% 61,248 $1.1M Reduce -3.2%
SHEL Shell PLC-ADR 0.14% 11,100 $1.0M No change
BKNG Booking Holdings Inc. 0.14% 244 $1.0M Add +20.8%
MTSI Macom Technology Solutions H 0.14% 4,600 $1.0M Reduce -11.5%
BP BP PLC-Spons ADR 0.14% 21,700 $1.0M No change
EBMT Eagle Bancorp Montana Inc. 0.13% 48,910 $1.0M Reduce -13.3%
MRNA Moderna Inc. 0.13% 19,550 $993K Reduce -7.6%
JCI Johnson Controls Internation 0.13% 7,499 $982K Reduce -7.4%
GILD Gilead Sciences Inc. 0.13% 6,995 $975K No change
MU Micron Technology Inc. 0.13% 2,860 $966K Reduce -3.5%
RBB RBB Bancorp 0.11% 40,550 $867K No change
BDX Becton Dickinson and Co. 0.11% 5,400 $849K Add +98.2%
DUK Duke Energy Corp. 0.11% 6,403 $838K Reduce -1.2%
XLU St Sr Utl SL SE SPDR ETF-Usd 0.11% 18,114 $831K Reduce -13.4%
LNT Alliant Energy Corp. 0.11% 11,300 $811K No change
ADBE Adobe Inc. 0.10% 3,250 $790K Reduce -72.6%
STX Seagate Technology Holdings 0.10% 2,013 $789K Add +62.6%
EMA Emera Inc. 0.10% 14,600 $756K Reduce -7.6%
ILMN Illumina Inc. 0.10% 6,125 $755K Reduce -21.7%
TYG Tortoise Energy Infrastruct 0.10% 15,083 $752K Reduce -1.0%
AMGN Amgen Inc. 0.10% 2,125 $748K Reduce -75.8%
AOS Smith (a.o.) Corp. 0.10% 11,100 $732K Add +14.4%
FISV Fiserv Inc. 0.10% 13,083 $730K Add +75.6%
REGN Regeneron Pharmaceuticals 0.09% 910 $703K Reduce -50.3%
PSX Phillips 66 0.09% 3,850 $701K No change
CEG Constellation Energy 0.09% 2,432 $679K No change
APTV Aptiv PLC 0.09% 9,250 $642K Add +13.5%
HAE Haemonetics Corp. 0.08% 11,300 $637K Reduce -16.9%
MMM 3M Co. 0.08% 3,900 $566K No change
CRUS Cirrus Logic Inc. 0.07% 3,900 $564K No change
BRK.B Berkshire Hathaway Inc. Class B 0.07% 1,169 $560K Reduce -38.0%
TDC Teradata Corp. 0.07% 21,200 $543K Reduce -16.5%
BUSE First Busey Corp. 0.07% 20,780 $525K Reduce -3.3%
CHWY Chewy Inc. Class A 0.07% 19,400 $524K New
AQN Algonquin Power & Utilities 0.07% 85,250 $521K Reduce -1.2%
ITW Illinois Tool Works 0.07% 1,975 $514K Reduce -9.2%
FELE Franklin Electric Co. Inc. 0.07% 5,400 $498K No change
AGCO Agco Corp. 0.06% 4,100 $475K No change
OCFC Oceanfirst Financial Corp. 0.06% 25,300 $456K Reduce -6.3%
AEP American Electric Power 0.06% 3,390 $444K No change
ITT Itt Inc. 0.06% 2,295 $437K No change
SOLS Solstice Adv Materials Inc. 0.06% 5,740 $437K Reduce -2.7%
NWFL Norwood Financial Corp. 0.06% 14,800 $435K Add +17.5%
VTI VG Morningstar TS MKT ETF-US 0.06% 1,354 $434K No change
NTIOF National Bank of Canada filed as BANQUE NATIONALE DU CANADA 0.06% 3,240 $419K Reduce -2.7%
MOS The Mosaic Co. 0.05% 15,750 $402K New
DGX Quest Diagnostics Inc. 0.05% 2,032 $398K Add +5.2%
KO The Coca-Cola Co. 0.05% 5,217 $397K No change
TPC Tutor Perini Corp. 0.05% 5,000 $386K No change
SHW The Sherwin-Williams Co. 0.05% 1,150 $369K No change
GE General Electric filed as GE AEROSPACE 0.05% 1,298 $368K Reduce -16.3%
EEMV iShares MSCI Emg MKT Min Vol 0.04% 5,200 $337K Reduce -1.9%
XYL Xylem Inc. 0.04% 2,780 $332K Reduce -1.8%
VGT Vanguard Info Tech ETF 0.04% 445 $310K No change
ETN Eaton Corp. PLC 0.04% 868 $310K No change
PYPL PayPal Holdings Inc. 0.04% 6,780 $307K Reduce -82.4%
BAX Baxter International Inc. 0.04% 17,793 $299K New
WEC WEC Energy Group Inc. 0.04% 2,566 $297K No change
MANH Manhattan Associates Inc. 0.04% 2,225 $296K Reduce -81.7%
IBB iShares Biotechnology ETF 0.04% 1,700 $287K No change
ACVA Acv Auctions Inc. Class A 0.04% 66,284 $281K No change
CAT Caterpillar Inc. 0.04% 396 $281K New
KRE SS SPDR S&P Regional Bank 0.04% 4,300 $280K No change
XRAY Dentsply Sirona Inc. 0.04% 23,200 $269K New
PCYO Pure Cycle Corp. 0.04% 26,300 $265K New
CRH CRH PLC-Sponsored ADR 0.03% 2,500 $263K No change
PHO Invesco Water Resources ETF 0.03% 3,920 $262K No change
NVDA Nvidia Corp. 0.03% 1,377 $240K Reduce -13.7%
ABBV Abbvie Inc. 0.03% 1,078 $234K Add +2.2%
GS Goldman Sachs Group Inc. 0.03% 265 $224K Reduce -1.5%
FESM Fidelity Enhanced Small Cap 0.03% 5,847 $222K No change
MXF Mexico Fund Inc. 0.03% 10,600 $222K No change
QQQ Invesco QQQ Trust Series 1 0.03% 379 $219K No change
FTS Fortis Inc. 0.03% 3,900 $217K No change
VZ Verizon Communications Inc. 0.03% 4,288 $215K New
RHHBY Roche Holdings Ltd.-Spons ADR 0.03% 4,300 $214K Reduce -18.9%
APH Amphenol Corp. Class A 0.03% 1,654 $209K No change
ASRV Ameriserv Financial Inc. 0.02% 45,985 $166K No change
PCT Purecycle Technologies Inc. 0.01% 15,600 $81K New
AVALON ADVANCED MATERIALS IN 0.00% 18,750 $740 No change

Portfolio Sells Q4 2025 → Q1 2026
MSFT Microsoft Corp. Reduce -7.3% 1.42% −0.59
EMR Emerson Electric Co. Reduce -9.6% 4.36% −0.55
SNDK Sandisk Corp. Sold out 0.00% −0.53
AVGO Broadcom Inc. Reduce -6.8% 2.39% −0.49
IBM Intl Business Machines Corp. Reduce -8.6% 1.43% −0.49
ADBE Adobe Inc. Reduce -72.6% 0.10% −0.45
TEL Te Connectivity PLC Reduce -3.5% 2.64% −0.36
AMZN Amazon.com Inc. Reduce -6.0% 1.75% −0.33
WDC Western Digital Corp. Reduce -48.8% 1.18% −0.30
AMGN Amgen Inc. Reduce -75.8% 0.10% −0.28
PYPL PayPal Holdings Inc. Reduce -82.4% 0.04% −0.26
MANH Manhattan Associates Inc. Reduce -81.7% 0.04% −0.24
GVA Granite Construction Inc. Reduce -23.1% 0.92% −0.24
CRM Salesforce Inc. Reduce -30.1% 0.20% −0.21
TMO Thermo Fisher Scientific Inc. Reduce -7.0% 0.72% −0.20
SNOW Snowflake Inc. Reduce -4.0% 0.37% −0.20
ORCL Oracle Corp. Reduce -17.5% 0.30% −0.18
NXST Nexstar Media Group Inc. Reduce -14.4% 0.55% −0.18
AAPL Apple Inc. Reduce -14.3% 0.48% −0.12
VMC Vulcan Materials Co. Reduce -8.0% 0.82% −0.12
GOOGL Alphabet Inc. Class A Reduce -4.4% 0.81% −0.12
LLY Eli Lilly & Co. Reduce -17.6% 0.24% −0.10
ABT Abbott Laboratories Reduce -2.7% 0.39% −0.10
LITE Lumentum Holdings Inc. Reduce -66.4% 0.18% −0.10
INTC Intel Corp. Reduce -25.3% 0.78% −0.10
GEHC GE Healthcare Technology Reduce -5.3% 0.43% −0.10
REGN Regeneron Pharmaceuticals Reduce -50.3% 0.09% −0.10
CSCO Cisco Systems Inc. Reduce -2.8% 3.30% −0.09
TMP Tompkins Financial Corp. Reduce -17.5% 0.72% −0.09
TXN Texas Instruments Inc. Sold out 0.00% −0.08
VNM Vaneck Vietnam ETF Reduce -1.2% 0.66% −0.08
LH Labcorp Holdings Inc. Sold out 0.00% −0.07
A Agilent Technologies Inc. Reduce -10.9% 0.20% −0.07
SOLV Solventum Corp. Reduce -7.0% 0.22% −0.07
GOOG Alphabet Inc. Class C Reduce -0.5% 0.64% −0.07
FLS Flowserve Corp. Reduce -9.7% 1.22% −0.06
HAE Haemonetics Corp. Reduce -16.9% 0.08% −0.06
IQV Iqvia Holdings Inc. Sold out 0.00% −0.06
GM General Motors Co. Sold out 0.00% −0.05
BRK.B Berkshire Hathaway Inc. Class B Reduce -38.0% 0.07% −0.05
STT State Street Corp. Reduce -4.9% 0.66% −0.05
PANW Palo Alto Networks Inc. Sold out 0.00% −0.05
GABC German American Bancorp Sold out 0.00% −0.04
LOW Lowe's Cos Inc. Reduce -4.1% 0.60% −0.04
ALB Albemarle Corp. Sold out 0.00% −0.04
ILMN Illumina Inc. Reduce -21.7% 0.10% −0.04
COHR Coherent Corp. Reduce -25.9% 0.65% −0.03
FE Firstenergy Corp. Sold out 0.00% −0.03
TDC Teradata Corp. Reduce -16.5% 0.07% −0.03
META Meta Platforms Inc. Class A Sold out 0.00% −0.03

Portfolio Buys Q4 2025 → Q1 2026
MELI MercadoLibre Inc. New 0.38% +0.38
EQNR Equinor ASA-Spon ADR Add +1.1% 0.73% +0.32
ITRI Itron Inc. Add +37.5% 0.96% +0.23
EQT Eqt Corp. Add +2.9% 1.26% +0.22
TWLO Twilio Inc. Class A Add +78.8% 0.57% +0.21
MHK Mohawk Industries Inc. New 0.15% +0.15
EHC Encompass Health Corp. Add +47.2% 0.52% +0.13
D Dominion Energy Inc. Add +2.6% 1.63% +0.12
PFE Pfizer Inc. Add +3.9% 0.80% +0.11
LNN Lindsay Corp. Add +7.4% 1.40% +0.10
CHWY Chewy Inc. Class A New 0.07% +0.07
BCE Bce Inc. Add +3.7% 0.81% +0.07
STX Seagate Technology Holdings Add +62.6% 0.10% +0.06
MOS The Mosaic Co. New 0.05% +0.05
AZTA Azenta Inc. Add +88.1% 0.31% +0.05
BDX Becton Dickinson and Co. Add +98.2% 0.11% +0.04
BAX Baxter International Inc. New 0.04% +0.04
CAT Caterpillar Inc. New 0.04% +0.04
XRAY Dentsply Sirona Inc. New 0.04% +0.04
PCYO Pure Cycle Corp. New 0.04% +0.04
FISV Fiserv Inc. Add +75.6% 0.10% +0.03
VZ Verizon Communications Inc. New 0.03% +0.03
OTTR Otter Tail Corp. Add +2.0% 0.30% +0.03
AMT American Tower Corp. Add +3.3% 1.45% +0.01
PCT Purecycle Technologies Inc. New 0.01% +0.01
NWFL Norwood Financial Corp. Add +17.5% 0.06% +0.01
AOS Smith (a.o.) Corp. Add +14.4% 0.10% +0.01
DGX Quest Diagnostics Inc. Add +5.2% 0.05% +0.01
APTV Aptiv PLC Add +13.5% 0.09% +0.00
KDP Keurig Dr Pepper Inc. Add +7.0% 0.59% 0.00
ABBV Abbvie Inc. Add +2.2% 0.03% −0.00
PLNT Planet Fitness Inc. Class A Add +42.3% 0.17% −0.01
BKNG Booking Holdings Inc. Add +20.8% 0.14% −0.01
SYY Sysco Corp. Add +0.7% 0.66% −0.02
VOO Vanguard S&P 500 ETF Add +0.1% 0.52% −0.03
EXP Eagle Materials Inc. Add +3.4% 0.74% −0.04
DIS The Walt Disney Co. Add +12.1% 1.06% −0.06

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 181$824.4MGLW, TSM, CSCO, EMR, OGE
Q1 2026 174$754.3MGLW, TSM, EMR, CSCO, OGE
Q4 2025 179$750.0MTSM, EMR, GLW, CSCO, TEL
Q3 2025 173$742.7MTSM, EMR, GLW, AVGO, OGE
Q2 2025 174$673.8MEMR, TSM, GLW, IBM, AVGO
Q1 2025 170$648.4MEMR, GLW, OGE, TSM, CSCO
Q4 2024 172$679.6MEMR, GLW, TSM, IBM, OGE
Q3 2024 179$695.5MEMR, GLW, IBM, TSM, OGE
Q2 2024 179$655.5MEMR, GLW, TSM, IBM, OGE
Q1 2024 174$651.8MEMR, GLW, IBM, TSM, OGE